Serial constantly freezes

Kirkman · Post by **Kirkman** » Wed May 01, 2019 5:21 pm

A number of years ago, I wrote a blog post about using Hatari on my Mac to connect to BBSes over telnet via tcpser. At the end of that blog post I noted that Hatari has a tendency to freeze up if you enable serial emulation too early.

In the years since then I have tried many different terminal programs and I always got similar results. Hatari *often* freezes. I have updated Hatari numerous times, and still get the exact same results. I imagine the serial code hasn't changed much since 2012.

I never posted about it here on the Hatari forum because I wasn't certain if the issue was Hatari's serial code, or a bug in tcpser or socat.

However recently I decided to ditch tcpser in favor of a Lantronix. I have used the Lantronix with my Atari Mega STe to run many of these same serial programs with almost no problems. I figured it was worth connecting the Lantronix to my Mac to see if I got better results connecting to BBSes using old Atari and PC terminals in both Hatari and Dosbox. I bought a QVS serial-to-usb cable in order to connect the Lantronix to my Mac. It shows up as

I am definitely getting better results in Dosbox. But I still have freezing issues with Hatari.

When I was trying it this morning in order to write up this bug report, I was running into a freeze *every* time I tried to change baud rate, either in ANSIterm or Freeze Dried Terminal or TGEMUL (Thieves Guild emulator).

Settings:

szOutFileName = /dev/cu.usbserial
szInFileName = /dev/cu.usbserial

Eero Tamminen · Post by **Eero Tamminen** » Thu May 02, 2019 10:55 pm

I don't think RS232 code has had any real functionality change in over a decade. In 2012 I just added possibility to configure input and output separately and in 2014 Thomas made its threading compatible with SDL v2. There have been fixes to MFP implementation though.

Questions:
* Which Hatari version you're using, is it built with SDL v1 or SDL v2?
* What freezes, Hatari itself, or just the program running in Hatari?
* If latter, don't you see the freezing also on real Mega STe?
* If not, are you using exactly the same config with Hatari as your Mega STe has (TOS version, memory, AUTO programs etc)?
* If yes, can you reproduce the same issue if you use two Hatari instances on the same machine, connected through tcpser or socat?
* If yes, could you provide a set of steps to reproduce the issue?
* If you use --log-level debug Hatari option, do you see any warnings in console?

Kirkman · Post by **Kirkman** » Fri May 03, 2019 5:17 pm

* Hatari versions 1.8 through 2.2.1. I think SDL v2, but I'm not 100% sure. It's the official Mac distribution of Hatari.

* Hatari itself freezes up. In the Mac's "Force Quit Applications" dialog, you will see the "Hatari" listing change to "Hatari (not responding)"

* No, I do not experience this freezing on the Mega STe.

* Almost everything is the same: TOS 2.06, 4 megs of ram, 16MHz, etc. The main difference might be the AUTO folder, since I have a CosmosEx on the Mega. I want to stress that this problem has existed for at least 6 years, through multiple versions of Hatari, and multiple configuration changes on my end.

* You don't need 2 instances of Hatari. All I'm trying to do is dial out using a terminal program. But the freezing often occurs before I even get that far.

* Steps to easily reproduce one type of freeze:

1. Ensure Lantronix is connected to the Mac by serial cable.
2. Ensure hatari.cfg has following lines:

Code: Select all

szOutFileName = /dev/cu.usbserial
szInFileName = /dev/cu.usbserial

3. Launch Hatari 2.2.1.
4. Go to Preferences > Peripheral > Enable RS232 Emulation and check the checkbox
5. On the emulated Atari desktop, navigate to the TAZ_100B folder and launch TAZ.PRG.
6. Screen will turn white. Hatari's green HD indicator will light up. After several seconds, Mac cursor will turn to "beach ball". If "Force Quit Applications" dialog is open, Hatari entry will change to "Hatari (not responding)"

Note: If you skip step 4, TAZ.PRG will successfully launch. If you enable RS232 emulation after TAZ has launched, and then try to immediately quit TAZ, Hatari will immediately freeze (screen doesn't even turn white).

Kirkman · Post by **Kirkman** » Fri May 03, 2019 5:19 pm

* Here's the debug output I could find in console while using --log-level debug.

In system log:

Code: Select all

May  3 11:59:50 josh-mac-pro-ethernet com.apple.xpc.launchd[1] (org.tuxfamily.Hatari.48348[72744]): Service exited due to signal: Killed: 9 sent by loginwindow[113]
May  3 12:08:31 josh-mac-pro-ethernet com.apple.xpc.launchd[1] (org.tuxfamily.Hatari.48348[73116]): Service exited due to signal: Killed: 9 sent by loginwindow[113]
May  3 12:10:27 josh-mac-pro-ethernet com.apple.xpc.launchd[1] (org.tuxfamily.Hatari.48348[73168]): Service exited due to signal: Killed: 9 sent by loginwindow[113]

Kirkman · Post by **Kirkman** » Fri May 03, 2019 5:23 pm

I tried using "--log-level debug --log-file ~/Desktop/hatari-log.txt" also, but the hatari-log.txt file that it generated was empty.

Kirkman · Post by **Kirkman** » Fri May 03, 2019 6:08 pm

FWIW, I know the Lantronix works on my Mac. I'm able to use it just fine with Dosbox using this option:

Code: Select all

serial1=directserial realport:tty.usbserial

I tried using tty.usbserial instead of cu.usbserial with Hatari, but that resulted in immediate freezing when I try to check the "Enable RS232 Emulation" checkbox.

Eero Tamminen · Post by **Eero Tamminen** » Sun May 05, 2019 9:53 pm

Kirkman wrote:* You don't need 2 instances of Hatari. All I'm trying to do is dial out using a terminal program. But the freezing often occurs before I even get that far.

I don't have Mac, Lantronix, USB-serial, or other serial port in my (Linux) PC. Best would be if you can provide a backtrace of where exactly Hatari is frozen.

Otherwise I can try debugging the issue only if you can reproduce it also with just two Hatari instances communicating with each other on the same machine. There's a script in Hatari for that, which you could try: https://git.tuxfamily.org/hatari/hatari ... l-rs232.sh

Note: I just fixed a freeze at Hatari exit with that script i.e. when RS-232 device files are FIFOs. It seems that nowadays kernel & libc require strict ordering in closing FIFOs too, not just opening them:
https://git.tuxfamily.org/hatari/hatari ... b964e152da

(For opening FIFO files, the above script has a workaround to the issue of FIFO files blocking until both ends are attached, and two FIFO files being required for different communication directions i.e. in principle requiring different order of opening in different Hatari processes.)

Kirkman wrote: I tried using tty.usbserial instead of cu.usbserial with Hatari, but that resulted in immediate freezing when I try to check the "Enable RS232 Emulation" checkbox.

Is USB serial device file used for writing or reading or both? Is it by any change a FIFO file i.e. its opening blocking until there's something at both ends?

(DosBox might be opening the device files in non-blocking mode, and avoid that issue because of that. Hatari doesn't, as using non-blocking mode would require polling at some interval. If Hatari ever changes away from using a separate thread for reading the RS-232 device, then something like that would need to be added.)

Kirkman · Post by **Kirkman** » Mon May 06, 2019 3:17 am

Eero Tamminen wrote:I don't have Mac, Lantronix, USB-serial, or other serial port in my (Linux) PC. Best would be if you can provide a backtrace of where exactly Hatari is frozen.

How do I provide a backtrace? Tell me what steps I should follow, and I'll happily try it.

Otherwise I can try debugging the issue only if you can reproduce it also with just two Hatari instances communicating with each other on the same machine. There's a script in Hatari for that, which you could try: https://git.tuxfamily.org/hatari/hatari ... l-rs232.sh

Does this require building Hatari from source? Or can I make it work with the release versions I already have on my Mac?

Note: I just fixed a freeze at Hatari exit with that script i.e. when RS-232 device files are FIFOs. It seems that nowadays kernel & libc require strict ordering in closing FIFOs too, not just opening them:
https://git.tuxfamily.org/hatari/hatari ... b964e152da

I don't know very much about all this stuff, but that sounds promising. I think it might address some of the problems I've been seeing.

Kirkman wrote: I tried using tty.usbserial instead of cu.usbserial with Hatari, but that resulted in immediate freezing when I try to check the "Enable RS232 Emulation" checkbox.
Is USB serial device file used for writing or reading or both? Is it by any change a FIFO file i.e. its opening blocking until there's something at both ends?

I'm not sure because I don't really understand how this stuff works.

darwinmac · Post by **darwinmac** » Mon May 06, 2019 4:06 am

Kirkman,

In order to use the script Eero is describing, you will need to run the Hatari MacOS executable which is inside of the package that you run when you double click on the Hatari icon from the Finder. If you haven’t used “Show Package Contents” before, the script might be a bit much.

At this website (https://troed.ddns.net/d/b90229b625/), nightly Hatari macOS binaries are created. It might be simpler to obtain a new binary from that website to see if it resolves your problem.

Bob C

Kirkman · Post by **Kirkman** » Tue May 07, 2019 3:15 am

I tried hatari-local-rs232.sh. Line 20 didn't work (hatari=$(which hatari) ), but I overcame the problem by hard-coding the direct path to hatari inside the application bundle. (e.g. '/Volumes/Emulation/Emulation/Hatari/Hatari.app/Contents/MacOS/hatari' )

Unfortunately, while the script *does* spawn two Hatari instances, they both are immediately frozen, stuck on a white screen with an indicator light on the A drive.

I tried this with multiple versions of Hatari (1.4, 2.2.1, and the latest one from troed.ddns.net) with essentially the same result. Both Hatari instances are immediately frozen/unresponsive when they are spawned.

If I force-quit ONE of the two instances, then the remaining instance will begin working correctly and the GEM desktop will appear.

I don't know if this is helpful for debugging the issue, but that's the result I got tonight.

Can you explain the steps for doing a backtrace? Seems like that would be useful for me to provide.

Eero Tamminen · Post by **Eero Tamminen** » Thu May 09, 2019 5:40 pm

Kirkman wrote:I tried hatari-local-rs232.sh. Line 20 didn't work (hatari=$(which hatari) ), but I overcame the problem by hard-coding the direct path to hatari inside the application bundle. (e.g. '/Volumes/Emulation/Emulation/Hatari/Hatari.app/Contents/MacOS/hatari' )

Unfortunately, while the script *does* spawn two Hatari instances, they both are immediately frozen, stuck on a white screen with an indicator light on the A drive.

I tried this with multiple versions of Hatari (1.4, 2.2.1, and the latest one from troed.ddns.net) with essentially the same result. Both Hatari instances are immediately frozen/unresponsive when they are spawned.

If your Hatari starts really slowly, it's possible that script kills the temporary "cat" processes reading of the 2 FIFO files, before Hatari instances have opened them cross-wise for reading & writing (process opening FIFO freezes until both read & write ends of a FIFO are opened). Could you try replacing "sleep 2" in the script e.g. with "sleep 15" and rerunning it?

As to backtrace, I've understood that Apple provides free tools for code development and debugging, which should include (GUI) debugger that you can attach to a frozen process to get a function back trace telling where it's frozen:
https://developer.apple.com/library/arc ... tools.html

Kirkman · Post by **Kirkman** » Fri May 10, 2019 3:11 pm

If your Hatari starts really slowly, it's possible that script kills the temporary "cat" processes reading of the 2 FIFO files, before Hatari instances have opened them cross-wise for reading & writing (process opening FIFO freezes until both read & write ends of a FIFO are opened). Could you try replacing "sleep 2" in the script e.g. with "sleep 15" and rerunning it?

Changing to "sleep 15" made no difference. Still hanging with white screens until I force-quit one of the instances.

Kirkman · Post by **Kirkman** » Fri May 10, 2019 6:59 pm

I tried running --trace all on hatari today. It generates an enormous text file, but here's the bottom of it, which I copied after it froze and I force-quit:

Code: Select all

cpu video_cyc= 12448 256@ 24 :   D0 00000003   D1 00000001   D2 00000001   D3 FFFFFAF8 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 FFFFFA01   A1 FFFFFA01   A2 00FC374F   A3 FFFFFA1D 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445C6 
USP  000445F0 ISP  000445C6 
T=00 S=1 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=7 STP=0
Prefetch 47f9 (LEA) c749 (EXG) Chip latch 00000000
00FC36FC c749                     EXG.L A3,A1
Next PC: 00fc36fe
cpu video_cyc= 12464 272@ 24 :   D0 00000003   D1 00000001   D2 00000001   D3 FFFFFAF8 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 FFFFFA01   A1 FFFFFA1D   A2 00FC374F   A3 FFFFFA01 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445C6 
USP  000445F0 ISP  000445C6 
T=00 S=1 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=7 STP=0
Prefetch 00fc (ILLEGAL) 47f9 (LEA) Chip latch 00000000
00FC36FE 47f9 00fc 3750           LEA.L $00fc3750,A3
Next PC: 00fc3704
cpu video_cyc= 12470 278@ 24 :   D0 00000003   D1 00000001   D2 00000001   D3 FFFFFAF8 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 FFFFFA01   A1 FFFFFA1D   A2 00FC374F   A3 00FC3750 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445C6 
USP  000445F0 ISP  000445C6 
T=00 S=1 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=7 STP=0
Prefetch 1633 (MOVE) 7600 (MOVE) Chip latch 00000000
00FC3704 7600                     MOVE.L #$00,D3
Next PC: 00fc3706
cpu video_cyc= 12482 290@ 24 :   D0 00000003   D1 00000001   D2 00000001   D3 00000000 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 FFFFFA01   A1 FFFFFA1D   A2 00FC374F   A3 00FC3750 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445C6 
USP  000445F0 ISP  000445C6 
T=00 S=1 M=0 X=0 N=0 Z=1 V=0 C=0 IMASK=7 STP=0
Prefetch 0000 (OR) 1633 (MOVE) Chip latch 00000000
00FC3706 1633 0000                MOVE.B (A3,D0.W,$00) == $00fc3753 [24],D3
Next PC: 00fc370a
cpu video_cyc= 12486 294@ 24 :   D0 00000003   D1 00000001   D2 00000001   D3 00000024 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 FFFFFA01   A1 FFFFFA1D   A2 00FC374F   A3 00FC3750 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445C6 
USP  000445F0 ISP  000445C6 
T=00 S=1 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=7 STP=0
Prefetch 3000 (MOVE) 1182 (MOVE) Chip latch 00000000
00FC370A 1182 3000                MOVE.B D2,(A0,D3.W,$00) == $fffffa25
Next PC: 00fc370e
cpu video_cyc= 12500 308@ 24 : IO write.b $fffffa25 = $01 pc=fc370a
mfp write tddr fffa25=0x1 video_cyc=12500 308@24 pc=fc370a instr_cycle 14
  D0 00000003   D1 00000001   D2 00000001   D3 00000024 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 FFFFFA01   A1 FFFFFA1D   A2 00FC374F   A3 00FC3750 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445C6 
USP  000445F0 ISP  000445C6 
T=00 S=1 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=7 STP=0
Prefetch 3000 (MOVE) b430 (CMP) Chip latch 00000000
00FC370E b430 3000                CMP.B (A0,D3.W,$00) == $fffffa25,D2
Next PC: 00fc3712
cpu video_cyc= 12518 326@ 24 : mfp read tddr fffa25=0x1 video_cyc=12518 326@24 pc=fc370e instr_cycle 14
IO read.b $fffffa25 = $01 pc=fc370e
  D0 00000003   D1 00000001   D2 00000001   D3 00000024 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 FFFFFA01   A1 FFFFFA1D   A2 00FC374F   A3 00FC3750 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445C6 
USP  000445F0 ISP  000445C6 
T=00 S=1 M=0 X=0 N=0 Z=1 V=0 C=0 IMASK=7 STP=0
Prefetch c749 (EXG) 66f6 (Bcc) Chip latch 00000000
00FC3712 66f6                     BNE.B #$f6 == $00fc370a (F)
Next PC: 00fc3714
cpu video_cyc= 12536 344@ 24 :   D0 00000003   D1 00000001   D2 00000001   D3 00000024 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 FFFFFA01   A1 FFFFFA1D   A2 00FC374F   A3 00FC3750 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445C6 
USP  000445F0 ISP  000445C6 
T=00 S=1 M=0 X=0 N=0 Z=1 V=0 C=0 IMASK=7 STP=0
Prefetch 8313 (OR) c749 (EXG) Chip latch 00000000
00FC3714 c749                     EXG.L A3,A1
Next PC: 00fc3716
cpu video_cyc= 12544 352@ 24 :   D0 00000003   D1 00000001   D2 00000001   D3 00000024 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 FFFFFA01   A1 00FC3750   A2 00FC374F   A3 FFFFFA1D 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445C6 
USP  000445F0 ISP  000445C6 
T=00 S=1 M=0 X=0 N=0 Z=1 V=0 C=0 IMASK=7 STP=0
Prefetch 4cdf (MVMEL) 8313 (OR) Chip latch 00000000
00FC3716 8313                     OR.B D1,(A3)
Next PC: 00fc3718
cpu video_cyc= 12550 358@ 24 : mfp read tcdcr fffa1d=0x50 video_cyc=12550 358@24 pc=fc3716 instr_cycle 12
IO read.b $fffffa1d = $50 pc=fc3716
IO write.b $fffffa1d = $51 pc=fc3716
mfp write tcdcr fffa1d=0x51 video_cyc=12550 358@24 pc=fc3716 instr_cycle 12
mfp start CD handler=7 data=100 ctrl=1 timer_cyc=400 pending_cyc=2304 video_cyc=12550 358@24 pc=fc3716 instr_cyc=12 first=true resume=false
int upd video_cyc=12550 cycle_over=364800 cycle_sub=1171200
int set new in video_cyc=12550 active_int=3 pending_count=364800
int set new out video_cyc=12550 active_int=3 pending_count=364800
int remove pending video_cyc=12550 handler=7 handler_cyc=64185600 pending_count=364800
int upd video_cyc=12550 cycle_over=364800 cycle_sub=0
int set new in video_cyc=12550 active_int=3 pending_count=364800
int set new out video_cyc=12550 active_int=3 pending_count=364800
int add rel offset video_cyc=12550 handler=7 handler_cyc=12725200 offset_cyc=192000 pending_count=364800
  D0 00000003   D1 00000001   D2 00000001   D3 00000024 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 FFFFFA01   A1 00FC3750   A2 00FC374F   A3 FFFFFA1D 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445C6 
USP  000445F0 ISP  000445C6 
T=00 S=1 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=7 STP=0
Prefetch 0f1f (BTST) 4cdf (MVMEL) Chip latch 00000000
00FC3718 4cdf 0f1f                MOVEM.L (A7)+,D0-D4/A0-A3
Next PC: 00fc371c
cpu video_cyc= 12570 378@ 24 : EndLine TB 24 video_cyc=12656 line_cyc=464 pending_int_cnt=68
int upd video_cyc=12656 cycle_over=-652800 cycle_sub=1017600
int set new in video_cyc=12656 active_int=3 pending_count=-652800
int set new out video_cyc=12656 active_int=2 pending_count=422400
int ack video_cyc=12656 active_int=2 active_cyc=422400 pending_count=422400
int upd video_cyc=12656 cycle_over=422400 cycle_sub=0
int set new in video_cyc=12656 active_int=2 pending_count=422400
int set new out video_cyc=12656 active_int=2 pending_count=422400
int add rel offset video_cyc=12656 handler=3 handler_cyc=4224000 offset_cyc=0 pending_count=422400
  D0 00000003   D1 00000001   D2 00000001   D3 0000FFFF 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 00000C70   A1 FFFFFA01   A2 00FC3ADC   A3 00000000 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445EA 
USP  000445F0 ISP  000445EA 
T=00 S=1 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=7 STP=0
Prefetch 6106 (BSR) 4e75 (RTS) Chip latch 00000000
00FC371C 4e75                     RTS 
Next PC: 00fc371e
cpu video_cyc= 12656 464@ 24 :   D0 00000003   D1 00000001   D2 00000001   D3 0000FFFF 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 00000C70   A1 FFFFFA01   A2 00FC3ADC   A3 00000000 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445EE 
USP  000445F0 ISP  000445EE 
T=00 S=1 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=7 STP=0
Prefetch 1340 (MOVE) 7001 (MOVE) Chip latch 00000000
00FC3A8E 7001                     MOVE.L #$01,D0
Next PC: 00fc3a90
cpu video_cyc= 12672 480@ 24 :   D0 00000001   D1 00000001   D2 00000001   D3 0000FFFF 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 00000C70   A1 FFFFFA01   A2 00FC3ADC   A3 00000000 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445EE 
USP  000445F0 ISP  000445EE 
T=00 S=1 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=7 STP=0
Prefetch 002a (OR) 1340 (MOVE) Chip latch 00000000
00FC3A90 1340 002a                MOVE.B D0,(A1,$002a) == $fffffa2b
Next PC: 00fc3a94
cpu video_cyc= 12676 484@ 24 : IO write.b $fffffa2b = $01 pc=fc3a90
  D0 00000001   D1 00000001   D2 00000001   D3 0000FFFF 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 00000C70   A1 FFFFFA01   A2 00FC3ADC   A3 00000000 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445EE 
USP  000445F0 ISP  000445EE 
T=00 S=1 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=7 STP=0
Prefetch 002c (OR) 1340 (MOVE) Chip latch 00000000
00FC3A94 1340 002c                MOVE.B D0,(A1,$002c) == $fffffa2d
Next PC: 00fc3a98
cpu video_cyc= 12692 500@ 24 : IO write.b $fffffa2d = $01 pc=fc3a94
int upd video_cyc=12708 cycle_over=-76800 cycle_sub=499200
int set new in video_cyc=12708 active_int=2 pending_count=-76800
int set new out video_cyc=12708 active_int=20 pending_count=806400
int ack video_cyc=12708 active_int=20 active_cyc=806400 pending_count=806400
HBL 24 video_cyc=12708 pending_cyc=8 jitter=4
HBL 25 start=12700 319c
int upd video_cyc=12708 cycle_over=806400 cycle_sub=0
int set new in video_cyc=12708 active_int=20 pending_count=806400
int set new out video_cyc=12708 active_int=20 pending_count=806400
int add rel offset video_cyc=12708 handler=2 handler_cyc=4800000 offset_cyc=0 pending_count=806400
  D0 00000001   D1 00000001   D2 00000001   D3 0000FFFF 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 00000C70   A1 FFFFFA01   A2 00FC3ADC   A3 00000000 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445EE 
USP  000445F0 ISP  000445EE 
T=00 S=1 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=7 STP=0
Prefetch 0008 (ILLEGAL) 4a6f (TST) Chip latch 00000000
00FC3A98 4a6f 0008                TST.W (A7,$0008) == $000445f6 [0088]
Next PC: 00fc3a9c
cpu video_cyc= 12708   8@ 25 :   D0 00000001   D1 00000001   D2 00000001   D3 0000FFFF 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 00000C70   A1 FFFFFA01   A2 00FC3ADC   A3 00000000 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445EE 
USP  000445F0 ISP  000445EE 
T=00 S=1 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=7 STP=0
Prefetch 136f (MOVE) 6b06 (Bcc) Chip latch 00000000
00FC3A9C 6b06                     BMI.B #$06 == $00fc3aa4 (F)
Next PC: 00fc3a9e
cpu video_cyc= 12720  20@ 25 :   D0 00000001   D1 00000001   D2 00000001   D3 0000FFFF 
  D4 00000000   D5 00000000   D6 00000000   D7 88018100 
  A0 00000C70   A1 FFFFFA01   A2 00FC3ADC   A3 00000000 
  A4 00024D4A   A5 00000000   A6 000445FE   A7 000445EE 
USP  000445F0 ISP  000445EE 
T=00 S=1 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=7 STP=0
Prefetch 0009 (ILLEGAL) 136f (MOVE) Chip latch 00000000
00FC3A9E 136f 0009 0028           MOVE.B (A7,$0009) == $000445f7 [88],(A1,$0028) == $fffffa29
Next PC: 00fc3aa4
cpu video_cyc= 12728  28@ 25 : IO write.b $fffffa29 = $88 pc=fc3a9e

I ran ANSIterm, waited for it to load, then tried changing the baud rate to 19200. That's the point at which it froze.

Kirkman · Post by **Kirkman** » Sat May 18, 2019 10:49 pm

Hi Eero, any ideas on the hatari-local-rs232.sh? Was my trace helpful?

Eero Tamminen · Post by **Eero Tamminen** » Mon May 20, 2019 7:30 pm

Kirkman wrote:Hi Eero, any ideas on the hatari-local-rs232.sh? Was my trace helpful?

Not really, because that's a trace of emulated Atari and the issue is on the emulator host side. You need to attach to Hatari with Mac debugger and provide a backtrace of where Hatari itself is stalling. Something like this:
https://apple.stackexchange.com/questio ... ng-process

Kirkman · Post by **Kirkman** » Tue May 21, 2019 3:23 am

Here you go. I will split it into two parts.

Code: Select all

Sampling process 33235 for 3 seconds with 1 millisecond of run time between samples
Sampling completed, processing symbols...
Analysis of sampling Hatari (pid 33235) every 1 millisecond
Process:         Hatari [33235]
Path:            /Volumes/Emulation/Emulation/Hatari/Hatari 2.2.1.app/Contents/MacOS/Hatari
Load Address:    0x102c9f000
Identifier:      org.tuxfamily.Hatari
Version:         Hatari version 2.2.1 (2.2.0)
Code Type:       X86-64
Parent Process:  ??? [1]

Date/Time:       2019-05-20 22:16:20.558 -0500
Launch Time:     2019-05-20 22:14:38.221 -0500
OS Version:      Mac OS X 10.13.6 (17G65)
Report Version:  7
Analysis Tool:   /usr/bin/sample

Physical footprint:         61.8M
Physical footprint (peak):  66.9M
----

Call graph:
    2679 Thread_15337078   DispatchQueue_1: com.apple.main-thread  (serial)
    + 2679 ???  (in Hatari)  load address 0x102c9f000 + 0x5044  [0x102ca4044]
    +   2679 ???  (in Hatari)  load address 0x102c9f000 + 0x31857  [0x102cd0857]
    +     2679 NSApplicationMain  (in AppKit) + 804  [0x7fff4a985a72]
    +       2679 -[NSApplication run]  (in AppKit) + 764  [0x7fff4a9b6885]
    +         2679 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:]  (in AppKit) + 3044  [0x7fff4b157e34]
    +           2679 _DPSNextEvent  (in AppKit) + 2788  [0x7fff4a9c1d32]
    +             2679 AEProcessAppleEvent  (in HIToolbox) + 55  [0x7fff4c7204a0]
    +               2679 aeProcessAppleEvent  (in AE) + 383  [0x7fff4e549565]
    +                 2679 dispatchEventAndSendReply(AEDesc const*, AEDesc*)  (in AE) + 41  [0x7fff4e549677]
    +                   2679 aeDispatchAppleEvent(AEDesc const*, AEDesc*, unsigned int, unsigned char*)  (in AE) + 1788  [0x7fff4e549dd0]
    +                     2679 _NSAppleEventManagerGenericHandler  (in Foundation) + 102  [0x7fff4f570592]
    +                       2679 -[NSAppleEventManager dispatchRawAppleEvent:withRawReply:handlerRefCon:]  (in Foundation) + 287  [0x7fff4f570714]
    +                         2679 -[NSApplication(NSAppleEventHandling) _handleCoreEvent:withReplyEvent:]  (in AppKit) + 690  [0x7fff4a9c66e9]
    +                           2679 -[NSApplication(NSAppleEventHandling) _handleAEOpenEvent:]  (in AppKit) + 562  [0x7fff4a9c6ab3]
    +                             2679 -[NSApplication _sendFinishLaunchingNotification]  (in AppKit) + 220  [0x7fff4aaf3e4f]
    +                               2679 -[NSApplication _postDidFinishNotification]  (in AppKit) + 313  [0x7fff4aaf4206]
    +                                 2679 -[NSNotificationCenter postNotificationName:object:userInfo:]  (in Foundation) + 66  [0x7fff4f52d8c7]
    +                                   2679 _CFXNotificationPost  (in CoreFoundation) + 659  [0x7fff4d403db3]
    +                                     2679 -[_CFXNotificationRegistrar find:object:observer:enumerator:]  (in CoreFoundation) + 1826  [0x7fff4d404d22]
    +                                       2679 ___CFXNotificationPost_block_invoke  (in CoreFoundation) + 225  [0x7fff4d4461d1]
    +                                         2679 _CFXRegistrationPost  (in CoreFoundation) + 458  [0x7fff4d44649a]
    +                                           2679 __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__  (in CoreFoundation) + 12  [0x7fff4d4465cc]
    +                                             2679 ???  (in Hatari)  load address 0x102c9f000 + 0x306a1  [0x102ccf6a1]
    +                                               2679 ???  (in Hatari)  load address 0x102c9f000 + 0x5339b  [0x102cf239b]
    +                                                 2679 ???  (in Hatari)  load address 0x102c9f000 + 0x870e42  [0x10350fe42]
    +                                                   2679 ???  (in Hatari)  load address 0x102c9f000 + 0x871b6f  [0x103510b6f]
    +                                                     2679 ???  (in Hatari)  load address 0x102c9f000 + 0x1a3994  [0x102e42994]
    +                                                       2679 ???  (in Hatari)  load address 0x102c9f000 + 0x87d71e  [0x10351c71e]
    +                                                         2679 ???  (in Hatari)  load address 0x102c9f000 + 0x4e215  [0x102ced215]
    +                                                           2679 ???  (in Hatari)  load address 0x102c9f000 + 0x5f641  [0x102cfe641]
    +                                                             2679 ???  (in Hatari)  load address 0x102c9f000 + 0x5f8ba  [0x102cfe8ba]
    +                                                               2679 fileno  (in libsystem_c.dylib) + 15  [0x7fff752e7c66]
    +                                                                 2679 flockfile  (in libsystem_c.dylib) + 31  [0x7fff752e6cfa]
    +                                                                   2679 _pthread_mutex_lock_slow  (in libsystem_pthread.dylib) + 253  [0x7fff755724c8]
    +                                                                     2679 _pthread_mutex_lock_wait  (in libsystem_pthread.dylib) + 83  [0x7fff75574b9d]
    +                                                                       2679 __psynch_mutexwait  (in libsystem_kernel.dylib) + 10  [0x7fff753aca46]
    2679 Thread_15337212: com.apple.NSEventThread
    + 2679 thread_start  (in libsystem_pthread.dylib) + 13  [0x7fff75573bf9]
    +   2679 _pthread_start  (in libsystem_pthread.dylib) + 377  [0x7fff7557450d]
    +     2679 _pthread_body  (in libsystem_pthread.dylib) + 340  [0x7fff75574661]
    +       2679 _NSEventThread  (in AppKit) + 184  [0x7fff4aafefc4]
    +         2679 CFRunLoopRunSpecific  (in CoreFoundation) + 487  [0x7fff4d4309b7]
    +           2679 __CFRunLoopRun  (in CoreFoundation) + 1783  [0x7fff4d431347]
    +             2679 __CFRunLoopServiceMachPort  (in CoreFoundation) + 341  [0x7fff4d431ff5]
    +               2679 mach_msg  (in libsystem_kernel.dylib) + 60  [0x7fff753a2724]
    +                 2679 mach_msg_trap  (in libsystem_kernel.dylib) + 10  [0x7fff753a320a]
    2679 Thread_15337219: SDLAudioP1
    + 2679 thread_start  (in libsystem_pthread.dylib) + 13  [0x7fff75573bf9]
    +   2679 _pthread_start  (in libsystem_pthread.dylib) + 377  [0x7fff7557450d]
    +     2679 _pthread_body  (in libsystem_pthread.dylib) + 340  [0x7fff75574661]
    +       2679 ???  (in SDL2)  load address 0x104d01000 + 0x212e9  [0x104d222e9]
    +         2679 ???  (in SDL2)  load address 0x104d01000 + 0x2187c  [0x104d2287c]
    +           2678 ???  (in SDL2)  load address 0x104d01000 + 0x50a8  [0x104d060a8]
    +           ! 2678 ???  (in SDL2)  load address 0x104d01000 + 0x20692  [0x104d21692]
    +           !   2676 CFRunLoopRunSpecific  (in CoreFoundation) + 487  [0x7fff4d4309b7]
    +           !   : 2665 __CFRunLoopRun  (in CoreFoundation) + 1783  [0x7fff4d431347]
    +           !   : | 2661 __CFRunLoopServiceMachPort  (in CoreFoundation) + 341  [0x7fff4d431ff5]
    +           !   : | + 2661 mach_msg  (in libsystem_kernel.dylib) + 60  [0x7fff753a2724]
    +           !   : | +   2661 mach_msg_trap  (in libsystem_kernel.dylib) + 10  [0x7fff753a320a]
    +           !   : | 3 __CFRunLoopServiceMachPort  (in CoreFoundation) + 408  [0x7fff4d432038]
    +           !   : | + 2 voucher_mach_msg_adopt  (in libdispatch.dylib) + 63  [0x7fff7522c597]
    +           !   : | + ! 1 _voucher_create_with_mach_voucher  (in libdispatch.dylib) + 121  [0x7fff7522af68]
    +           !   : | + ! : 1 mach_voucher_extract_attr_recipe  (in libsystem_kernel.dylib) + 27  [0x7fff753ab665]
    +           !   : | + ! :   1 mach_voucher_extract_attr_recipe_trap  (in libsystem_kernel.dylib) + 10  [0x7fff753a3342]
    +           !   : | + ! 1 _voucher_create_with_mach_voucher  (in libdispatch.dylib) + 210  [0x7fff7522afc1]
    +           !   : | + !   1 _os_object_alloc_realized  (in libdispatch.dylib) + 35  [0x7fff75222c12]
    +           !   : | + !     1 class_createInstance  (in libobjc.A.dylib) + 1  [0x7fff74637c6d]
    +           !   : | + 1 voucher_mach_msg_adopt  (in libdispatch.dylib) + 155  [0x7fff7522c5f3]
    +           !   : | +   1 _dispatch_set_priority_and_mach_voucher_slow  (in libdispatch.dylib) + 160  [0x7fff75234cc9]
    +           !   : | +     1 _pthread_set_properties_self  (in libsystem_pthread.dylib) + 46  [0x7fff755749aa]
    +           !   : | +       1 __bsdthread_ctl  (in libsystem_kernel.dylib) + 5  [0x7fff753abf59]
    +           !   : | 1 __CFRunLoopServiceMachPort  (in CoreFoundation) + 366  [0x7fff4d43200e]
    +           !   : |   1 kdebug_trace  (in libsystem_kernel.dylib) + 8  [0x7fff753a860b]
    +           !   : 6 __CFRunLoopRun  (in CoreFoundation) + 2848  [0x7fff4d431770]
    +           !   : | 6 __CFRunLoopDoSource1  (in CoreFoundation) + 533  [0x7fff4d4399e5]
    +           !   : |   6 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__  (in CoreFoundation) + 41  [0x7fff4d439a99]
    +           !   : |     5 mshMIGPerform  (in AudioToolbox) + 230  [0x7fff4bdae4b2]
    +           !   : |     + 5 _XCallbackNotificationsAvailable  (in AudioToolbox) + 33  [0x7fff4bdae6a5]
    +           !   : |     +   5 AQCallbackReceiver_CallbackNotificationsAvailable  (in AudioToolbox) + 121  [0x7fff4bdae921]
    +           !   : |     +     5 ClientAudioQueue::FetchAndDeliverPendingCallbacks(unsigned int)  (in AudioToolbox) + 291  [0x7fff4bdaeac5]
    +           !   : |     +       4 AQClientCallbackMessageReader::DispatchCallbacks(void const*, unsigned long)  (in AudioToolbox) + 155  [0x7fff4bdc6d3d]
    +           !   : |     +       ! 4 ClientAudioQueue::CallOutputCallback(AudioQueueBuffer*)  (in AudioToolbox) + 267  [0x7fff4bdc8aa5]
    +           !   : |     +       !   3 ???  (in SDL2)  load address 0x104d01000 + 0x20b04  [0x104d21b04]
    +           !   : |     +       !   : 3 _platform_memmove$VARIANT$Base  (in libsystem_platform.dylib) + 0,261,...  [0x7fff7556e240,0x7fff7556e345,...]
    +           !   : |     +       !   1 ???  (in SDL2)  load address 0x104d01000 + 0x20af8  [0x104d21af8]
    +           !   : |     +       1 AQClientCallbackMessageReader::DispatchCallbacks(void const*, unsigned long)  (in AudioToolbox) + 100  [0x7fff4bdc6d06]
    +           !   : |     +         1 CADeserializer::Read(void*, unsigned int, unsigned int)  (in AudioToolbox) + 1  [0x7fff4bd93437]
    +           !   : |     1 mshMIGPerform  (in AudioToolbox) + 51  [0x7fff4bdae3ff]
    +           !   : 4 __CFRunLoopRun  (in CoreFoundation) + 3309  [0x7fff4d43193d]
    +           !   : | 4 _dispatch_event_loop_poke  (in libdispatch.dylib) + 649  [0x7fff752402de]
    +           !   : |   4 _dispatch_kq_drain  (in libdispatch.dylib) + 119  [0x7fff75240742]
    +           !   : |     4 _dispatch_kq_poll  (in libdispatch.dylib) + 242  [0x7fff75240a85]
    +           !   : |       4 kevent_qos  (in libsystem_kernel.dylib) + 10  [0x7fff753adc32]
    +           !   : 1 __CFRunLoopRun  (in CoreFoundation) + 3280  [0x7fff4d431920]
    +           !   :   1 object_dispose  (in libobjc.A.dylib) + 22  [0x7fff7463a244]
    +           !   :     1 objc_destructInstance  (in libobjc.A.dylib) + 105  [0x7fff7463a2be]
    +           !   :       1 _object_remove_assocations  (in libobjc.A.dylib) + 163  [0x7fff7463a393]
    +           !   :         1 std::__1::__hash_iterator<std::__1::__hash_node<std::__1::__hash_value_type<unsigned long, objc_references_support::ObjectAssociationMap*>, void*>*> std::__1::__hash_table<std::__1::__hash_value_type<unsigned long, objc_references_support::ObjectAssociationMap*>, std::__1::__unordered_map_hasher<unsigned long, std::__1::__hash_value_type<unsigned long, objc_references_support::ObjectAssociationMap*>, objc_references_support::DisguisedPointerHash, true>, std::__1::__unordered_map_equal<unsigned long, std::__1::__hash_value_type<unsigned long, objc_references_support::ObjectAssociationMap*>, objc_references_support::DisguisedPointerEqual, true>, objc_references_support::ObjcAllocator<std::__1::__hash_value_type<unsigned long, objc_references_support::ObjectAssociationMap*> > >::find<unsigned long>(unsigned long const&)  (in libobjc.A.dylib) + 102  [0x7fff7464e1ee]
    +           !   1 CFRunLoopRunSpecific  (in CoreFoundation) + 303  [0x7fff4d4308ff]
    +           !   : 1 malloc_zone_malloc  (in libsystem_malloc.dylib) + 103  [0x7fff754051bd]
    +           !   :   1 nano_malloc  (in libsystem_malloc.dylib) + 35  [0x7fff7540bb9f]
    +           !   :     1 OSAtomicDequeue  (in libsystem_platform.dylib) + 17  [0x7fff7556a8ed]
    +           !   1 CFRunLoopRunSpecific  (in CoreFoundation) + 579  [0x7fff4d430a13]
    +           !     1 CFAllocatorDeallocate  (in CoreFoundation) + 68  [0x7fff4d3b3604]
    +           1 ???  (in SDL2)  load address 0x104d01000 + 0x4f41  [0x104d05f41]
    +             1 ???  (in SDL2)  load address 0x104d01000 + 0x1fcfe  [0x104d20cfe]
    +               1 _pthread_mutex_lock_slow  (in libsystem_pthread.dylib) + 215  [0x7fff755724a2]
    2679 Thread_15337220: AQConverterThread
    + 2679 thread_start  (in libsystem_pthread.dylib) + 13  [0x7fff75573bf9]
    +   2679 _pthread_start  (in libsystem_pthread.dylib) + 377  [0x7fff7557450d]
    +     2679 _pthread_body  (in libsystem_pthread.dylib) + 340  [0x7fff75574661]
    +       2679 CAPThread::Entry(CAPThread*)  (in AudioToolbox) + 77  [0x7fff4bd8b119]
    +         2679 AQConverterManager::AQConverterThread::ConverterThreadEntry(void*)  (in AudioToolbox) + 9  [0x7fff4bdb4ded]
    +           2672 AQConverterManager::AQConverterThread::Run()  (in AudioToolbox) + 425  [0x7fff4bdb4fa1]
    +           ! 2672 CAGuard::Wait()  (in AudioToolbox) + 73  [0x7fff4bdbaacb]
    +           !   2671 _pthread_cond_wait  (in libsystem_pthread.dylib) + 732  [0x7fff75575589]
    +           !   : 2671 __psynch_cvwait  (in libsystem_kernel.dylib) + 10,0  [0x7fff753aca16,0x7fff753aca0c]
    +           !   1 _pthread_cond_wait  (in libsystem_pthread.dylib) + 53  [0x7fff755752e2]
    +           6 AQConverterManager::AQConverterThread::Run()  (in AudioToolbox) + 775  [0x7fff4bdb50ff]
    +           ! 5 AudioQueueObject::RunConverter(AQTimeSlicer&, int)  (in AudioToolbox) + 437  [0x7fff4bdb56a3]
    +           ! : 5 AudioQueueObject::PerformDeferredBufferCallbacks()  (in AudioToolbox) + 113  [0x7fff4bda6ce7]
    +           ! :   5 AudioQueueObject::DoBufferCallback(AQBuffer const*, XAudioTimeStamp const*, unsigned int, AudioStreamPacketDescription*)  (in AudioToolbox) + 616  [0x7fff4bdc87d8]
    +           ! :     3 AQClientCallbackMessageQueue::OutputCallback(unsigned int)  (in AudioToolbox) + 114  [0x7fff4bdc887a]
    +           ! :     | 2 AQCallbackSender_CallbackNotificationsAvailable  (in AudioToolbox) + 103  [0x7fff4bdae079]
    +           ! :     | + 2 mach_msg  (in libsystem_kernel.dylib) + 60  [0x7fff753a2724]
    +           ! :     | +   2 mach_msg_trap  (in libsystem_kernel.dylib) + 10  [0x7fff753a320a]
    +           ! :     | 1 AQCallbackSender_CallbackNotificationsAvailable  (in AudioToolbox) + 15  [0x7fff4bdae021]
    +           ! :     1 AQClientCallbackMessageQueue::OutputCallback(unsigned int)  (in AudioToolbox) + 123  [0x7fff4bdc8883]
    +           ! :     | 1 CASerializer::~CASerializer()  (in AudioToolbox) + 17  [0x7fff4bd92291]
    +           ! :     |   1 _CFRelease  (in CoreFoundation) + 193  [0x7fff4d507001]
    +           ! :     1 AQClientCallbackMessageQueue::OutputCallback(unsigned int)  (in AudioToolbox) + 137  [0x7fff4bdc8891]
    +           ! :       1 CAMutex::Unlock()  (in AudioToolbox) + 0  [0x7fff4bd814e4]
    +           ! 1 AudioQueueObject::RunConverter(AQTimeSlicer&, int)  (in AudioToolbox) + 722  [0x7fff4bdb57c0]
    +           !   1 AudioQueueObject::ConvertOutput(AudioQueueObject::ConverterConnection*, AQBufferCommand*, int, bool)  (in AudioToolbox) + 834  [0x7fff4bdb647a]
    +           1 AQConverterManager::AQConverterThread::Run()  (in AudioToolbox) + 472  [0x7fff4bdb4fd0]
    +             1 CALog::Scope::ScopeLogEnabled(int, unsigned long long) const  (in AudioToolbox) + 1  [0x7fff4bf878eb]
    2679 Thread_15337221: com.apple.audio.IOThread.client
    + 2679 thread_start  (in libsystem_pthread.dylib) + 13  [0x7fff75573bf9]
    +   2679 _pthread_start  (in libsystem_pthread.dylib) + 377  [0x7fff7557450d]
    +     2679 _pthread_body  (in libsystem_pthread.dylib) + 340  [0x7fff75574661]
    +       2679 HALB_IOThread::Entry(void*)  (in CoreAudio) + 72  [0x7fff4ce7bffe]
    +         2679 HALC_ProxyIOContext::IOThreadEntry(void*)  (in CoreAudio) + 128  [0x7fff4ce7c2bc]
    +           2657 HALC_ProxyIOContext::IOWorkLoop()  (in CoreAudio) + 977  [0x7fff4ce7c859]
    +           ! 2657 HALB_MachPort::SendSimpleMessageWithSimpleReply(unsigned int, unsigned int, int, int&, bool, unsigned int)  (in CoreAudio) + 45  [0x7fff4ce7f7ed]
    +           !   2657 HALB_MachPort::SendMessageWithReply(unsigned int, unsigned int, unsigned int, unsigned int, mach_msg_header_t*, bool, unsigned int)  (in CoreAudio) + 124  [0x7fff4ce7f87a]
    +           !     2657 mach_msg  (in libsystem_kernel.dylib) + 60  [0x7fff753a2724]
    +           !       2657 mach_msg_trap  (in libsystem_kernel.dylib) + 10  [0x7fff753a320a]
    +           21 HALC_ProxyIOContext::IOWorkLoop()  (in CoreAudio) + 5021  [0x7fff4ce7d825]
    +           ! 21 AQMEIO_HAL::_IOProc(unsigned int, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*)  (in AudioToolbox) + 25  [0x7fff4bdbbb8f]
    +           !   21 AQMEIO_HAL::IOProc(AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*)  (in AudioToolbox) + 4625  [0x7fff4bdbcdb3]
    +           !     21 MEOutputStreamClient::IO_PerformOutput(int, AudioBufferList&, AudioTimeStamp const&)  (in AudioToolbox) + 90  [0x7fff4bdbf9f8]
    +           !       21 MESubmixGraph::render(int, AudioBufferList&, AudioTimeStamp const&)  (in AudioToolbox) + 162  [0x7fff4bf43f8a]
    +           !         21 XAudioUnit::Render(unsigned int*, AudioTimeStamp const*, unsigned int, unsigned int, AudioBufferList*)  (in AudioToolbox) + 52  [0x7fff4bdbfc18]
    +           !           20 AUMethodRender(void*, unsigned int*, AudioTimeStamp const*, unsigned int, unsigned int, AudioBufferList*)  (in CoreAudio) + 45  [0x107ef9c5b]
    +           !           : 20 AUBase::DoRender(unsigned int&, AudioTimeStamp const&, unsigned int, unsigned int, AudioBufferList&)  (in CoreAudio) + 546  [0x107ef032a]
    +           !           :   19 AUBase::DoRenderBus(unsigned int&, AudioTimeStamp const&, unsigned int, AUOutputElement*, unsigned int, AudioBufferList&)  (in CoreAudio) + 166  [0x107ef0c54]
    +           !           :   | 18 AUMultiChannelMixer::Render(unsigned int&, AudioTimeStamp const&, unsigned int)  (in CoreAudio) + 682  [0x107ed7c0e]
    +           !           :   | + 9 AUMultiChannelMixer::MixerCore::MasterMix(AudioTimeStamp const&, unsigned int)  (in CoreAudio) + 1273  [0x107ed83a7]
    +           !           :   | + ! 9 Resampler2::PushConvert(float const*, float const*, float*, float*, unsigned int&, unsigned int&, unsigned int, unsigned int, unsigned int)  (in CoreAudio) + 295  [0x107f17137]
    +           !           :   | + !   9 Resampler2::ConvertSIMD_SmallIntegerRatio(float*, float*, unsigned int, unsigned int)  (in CoreAudio) + 330,299,...  [0x107f1103a,0x107f1101b,...]
    +           !           :   | + 8 AUMultiChannelMixer::MixerCore::MasterMix(AudioTimeStamp const&, unsigned int)  (in CoreAudio) + 721  [0x107ed817f]
    +           !           :   | + ! 7 AUMultiChannelMixer::MixerCore::Mix(InputRenderOrderInfo const*, int, AudioTimeStamp const&, unsigned int)  (in CoreAudio) + 411  [0x107ed89cb]
    +           !           :   | + ! : 6 AUMultiChannelMixer::MixerCore::RenderInput(unsigned int, AudioTimeStamp const&, unsigned int)  (in CoreAudio) + 182  [0x107ed664a]
    +           !           :   | + ! : | 6 AUMultiChannelMixerInputElement::PullMixerInput(unsigned int, unsigned int&, AudioTimeStamp const&, unsigned int, AudioBufferList*)  (in CoreAudio) + 543  [0x107ed7281]
    +           !           :   | + ! : |   6 MEMixerChannel::MixInputProc(void*, unsigned int*, AudioTimeStamp const*, unsigned int, unsigned int, AudioBufferList*)  (in AudioToolbox) + 377  [0x7fff4bdc0eed]
    +           !           :   | + ! : |     5 AudioQueueObject::DequeueOutput(XAudioTimeStamp const&, unsigned int, AudioBufferList&, bool)  (in AudioToolbox) + 504  [0x7fff4bdc13f0]
    +           !           :   | + ! : |     + 3 ScheduledSlicePlayer::Render(XAudioTimeStamp const&, int, AudioBufferList&, bool)  (in AudioToolbox) + 876  [0x7fff4bdc1b4a]
    +           !           :   | + ! : |     + ! 3 ScheduledSlicePlayer::CopySlice(long long, ScheduledSlicePlayer::XScheduledAudioSlice*, int, AudioBufferList&, int, int, bool)  (in AudioToolbox) + 263  [0x7fff4bdc6a4d]
    +           !           :   | + ! : |     + !   2 AudioConverterConvertComplexBuffer  (in AudioToolbox) + 540  [0x7fff4bdc4d2d]
    +           !           :   | + ! : |     + !   : 2 BufferedAudioConverter::FillBuffer(unsigned int&, AudioBufferList&, AudioStreamPacketDescription*)  (in AudioToolbox) + 346  [0x7fff4bdb7efa]
    +           !           :   | + ! : |     + !   :   2 AudioConverterChain::RenderOutput(CABufferList*, unsigned int, unsigned int&, AudioStreamPacketDescription*)  (in AudioToolbox) + 106  [0x7fff4bdb824a]
    +           !           :   | + ! : |     + !   :     2 BufferedAudioConverter::FillBuffer(unsigned int&, AudioBufferList&, AudioStreamPacketDescription*)  (in AudioToolbox) + 346  [0x7fff4bdb7efa]
    +           !           :   | + ! : |     + !   :       2 CBRConverter::RenderOutput(CABufferList*, unsigned int, unsigned int&, AudioStreamPacketDescription*)  (in AudioToolbox) + 107  [0x7fff4bdc5221]
    +           !           :   | + ! : |     + !   :         2 BufferedAudioConverter::GetInputBytes(unsigned int, unsigned int&, CABufferList const*&)  (in AudioToolbox) + 161  [0x7fff4bdc53f1]
    +           !           :   | + ! : |     + !   :           2 BufferedAudioConverter::FillBuffer(unsigned int&, AudioBufferList&, AudioStreamPacketDescription*)  (in AudioToolbox) + 346  [0x7fff4bdb7efa]
    +           !           :   | + ! : |     + !   :             2 CBRConverter::RenderOutput(CABufferList*, unsigned int, unsigned int&, AudioStreamPacketDescription*)  (in AudioToolbox) + 167  [0x7fff4bdc525d]
    +           !           :   | + ! : |     + !   :               2 PCMConverter2::ConvertBufferList(unsigned int, CABufferList const*, CABufferList*)  (in AudioToolbox) + 97  [0x7fff4bdcb3b1]
    +           !           :   | + ! : |     + !   :                 2 NativeInt16ToFloat32_X86  (in AudioToolbox) + 740  [0x7fff4bf65794]
    +           !           :   | + ! : |     + !   1 AudioConverterConvertComplexBuffer  (in AudioToolbox) + 482  [0x7fff4bdc4cf3]
    +           !           :   | + ! : |     + !     1 CrashIfClientProvidedBogusAudioBufferList  (in AudioToolbox) + 48  [0x7fff4bdb7a84]
    +           !           :   | + ! : |     + 2 ScheduledSlicePlayer::Render(XAudioTimeStamp const&, int, AudioBufferList&, bool)  (in AudioToolbox) + 1128  [0x7fff4bdc1c46]
    +           !           :   | + ! : |     +   2 ScheduledSlicePlayer::BufferComplete(ScheduledSlicePlayer::XScheduledAudioSlice*, long long)  (in AudioToolbox) + 297  [0x7fff4bdc7f6b]
    +           !           :   | + ! : |     +     2 AudioQueueObject::SlicePlayed(AudioQueueObject::ScheduledSlice*)  (in AudioToolbox) + 858  [0x7fff4bdc8338]
    +           !           :   | + ! : |     +       2 AQConverterManager::AQConverterThread::Wake(AudioQueueObject&)  (in AudioToolbox) + 216  [0x7fff4bdb54c8]
    +           !           :   | + ! : |     +         2 CAGuard::Notify()  (in AudioToolbox) + 37  [0x7fff4bdb59a1]
    +           !           :   | + ! : |     +           2 pthread_cond_signal  (in libsystem_pthread.dylib) + 505  [0x7fff7557678c]
    +           !           :   | + ! : |     +             2 __psynch_cvsignal  (in libsystem_kernel.dylib) + 10  [0x7fff753ac9fe]
    +           !           :   | + ! : |     1 AudioQueueObject::DequeueOutput(XAudioTimeStamp const&, unsigned int, AudioBufferList&, bool)  (in AudioToolbox) + 414  [0x7fff4bdc1396]
    +           !           :   | + ! : |       1 CAMutex::Unlock()  (in AudioToolbox) + 1  [0x7fff4bd814e5]
    +           !           :   | + ! : 1 AUMultiChannelMixer::MixerCore::RenderInput(unsigned int, AudioTimeStamp const&, unsigned int)  (in CoreAudio) + 946  [0x107ed6946]
    +           !           :   | + ! :   1 AUElement::GetEndValue(unsigned int)  (in CoreAudio) + 89  [0x107ef6e81]
    +           !           :   | + ! :     1 boost::container::container_detail::flat_tree<boost::container::container_detail::pair<unsigned int, ParameterMapEvent>, boost::container::container_detail::select1st<unsigned int>, std::__1::less<unsigned int>, boost::container::new_allocator<boost::container::container_detail::pair<unsigned int, ParameterMapEvent> > >::find(unsigned int const&)  (in CoreAudio) + 70  [0x107ef805c]
    +           !           :   | + ! 1 AUMultiChannelMixer::MixerCore::Mix(InputRenderOrderInfo const*, int, AudioTimeStamp const&, unsigned int)  (in CoreAudio) + 324  [0x107ed8974]
    +           !           :   | + 1 AUMultiChannelMixer::MixerCore::MasterMix(AudioTimeStamp const&, unsigned int)  (in CoreAudio) + 1436  [0x107ed844a]
    +           !           :   | 1 AUMultiChannelMixer::Render(unsigned int&, AudioTimeStamp const&, unsigned int)  (in CoreAudio) + 500  [0x107ed7b58]
    +           !           :   1 AUBase::DoRenderBus(unsigned int&, AudioTimeStamp const&, unsigned int, AUOutputElement*, unsigned int, AudioBufferList&)  (in CoreAudio) + 55  [0x107ef0be5]
    +           !           1 AudioUnitRender  (in AudioToolbox) + 112  [0x7fff4bf260af]
    +           1 HALC_ProxyIOContext::IOWorkLoop()  (in CoreAudio) + 2171  [0x7fff4ce7cd03]
    2679 Thread_15337413: rs232
    + 2679 thread_start  (in libsystem_pthread.dylib) + 13  [0x7fff75573bf9]
    +   2679 _pthread_start  (in libsystem_pthread.dylib) + 377  [0x7fff7557450d]
    +     2679 _pthread_body  (in libsystem_pthread.dylib) + 340  [0x7fff75574661]
    +       2679 ???  (in SDL2)  load address 0x104d01000 + 0x212e9  [0x104d222e9]
    +         2679 ???  (in SDL2)  load address 0x104d01000 + 0x2187c  [0x104d2287c]
    +           2679 ???  (in Hatari)  load address 0x102c9f000 + 0x5efb1  [0x102cfdfb1]
    +             2679 fgetc  (in libsystem_c.dylib) + 52  [0x7fff752e746f]
    +               2679 __srget  (in libsystem_c.dylib) + 14  [0x7fff752ede39]
    +                 2679 __srefill1  (in libsystem_c.dylib) + 24  [0x7fff752edd1e]
    +                   2679 _sread  (in libsystem_c.dylib) + 16  [0x7fff752ee6f1]
    +                     2679 __read_nocancel  (in libsystem_kernel.dylib) + 10  [0x7fff753acbea]
    2679 Thread_15337796
    + 2679 start_wqthread  (in libsystem_pthread.dylib) + 13  [0x7fff75573be9]
    +   2679 _pthread_wqthread  (in libsystem_pthread.dylib) + 1035  [0x7fff75574009]
    +     2679 __workq_kernreturn  (in libsystem_kernel.dylib) + 10  [0x7fff753ad28a]
    2679 Thread_15338715
    + 2679 start_wqthread  (in libsystem_pthread.dylib) + 13  [0x7fff75573be9]
    +   2679 _pthread_wqthread  (in libsystem_pthread.dylib) + 1552  [0x7fff7557420e]
    +     2679 __workq_kernreturn  (in libsystem_kernel.dylib) + 10  [0x7fff753ad28a]
    2677 Thread_15338716
    + 2677 start_wqthread  (in libsystem_pthread.dylib) + 13  [0x7fff75573be9]
    +   2677 _pthread_wqthread  (in libsystem_pthread.dylib) + 1552  [0x7fff7557420e]
    +     2677 __workq_kernreturn  (in libsystem_kernel.dylib) + 10  [0x7fff753ad28a]
    2676 Thread_15337567
    + 2674 start_wqthread  (in libsystem_pthread.dylib) + 13  [0x7fff75573be9]
    + ! 2673 _pthread_wqthread  (in libsystem_pthread.dylib) + 1035  [0x7fff75574009]
    + ! : 2673 __workq_kernreturn  (in libsystem_kernel.dylib) + 10  [0x7fff753ad28a]
    + ! 1 _pthread_wqthread  (in libsystem_pthread.dylib) + 842  [0x7fff75573f48]
    + 2 ???  (in <unknown binary>)  [0x400000000000]
    +   2 start_wqthread  (in libsystem_pthread.dylib) + 0  [0x7fff75573bdc]
    2 Thread_15337567   DispatchQueue_2: com.apple.libdispatch-manager  (serial)
    + 2 start_wqthread  (in libsystem_pthread.dylib) + 13  [0x7fff75573be9]
    +   2 _pthread_wqthread  (in libsystem_pthread.dylib) + 1016  [0x7fff75573ff6]
    +     1 _dispatch_kevent_worker_thread  (in libdispatch.dylib) + 468  [0x7fff7523b796]
    +     ! 1 _dispatch_mgr_queue_drain  (in libdispatch.dylib) + 122  [0x7fff75225fcf]
    +     !   1 _dispatch_queue_serial_drain  (in libdispatch.dylib) + 222  [0x7fff7523707a]
    +     !     1 _dispatch_source_invoke  (in libdispatch.dylib) + 3262  [0x7fff75225ad3]
    +     !       1 _dispatch_global_queue_poke_slow  (in libdispatch.dylib) + 96  [0x7fff75236e59]
    +     !         1 _pthread_workqueue_addthreads  (in libsystem_pthread.dylib) + 45  [0x7fff75573bc4]
    +     !           1 __workq_kernreturn  (in libsystem_kernel.dylib) + 10  [0x7fff753ad28a]
    +     1 _dispatch_kevent_worker_thread  (in libdispatch.dylib) + 921  [0x7fff7523b95b]
    +       1 _dispatch_timers_program  (in libdispatch.dylib) + 547  [0x7fff75229b78]
    +         1 _dispatch_event_loop_timer_program  (in libdispatch.dylib) + 127  [0x7fff75241b00]
    +           1 _dispatch_kq_deferred_update  (in libdispatch.dylib) + 43  [0x7fff7523fe03]
    2 Thread_15338716   DispatchQueue_9: com.apple.root.utility-qos.overcommit  (concurrent)
    + 2 start_wqthread  (in libsystem_pthread.dylib) + 13  [0x7fff75573be9]
    +   2 _pthread_wqthread  (in libsystem_pthread.dylib) + 1387  [0x7fff75574169]
    +     2 _dispatch_worker_thread3  (in libdispatch.dylib) + 101  [0x7fff75224755]
    +       2 _dispatch_root_queue_drain  (in libdispatch.dylib) + 515  [0x7fff752249a9]
    +         1 _dispatch_source_invoke  (in libdispatch.dylib) + 2262  [0x7fff752256eb]
    +         ! 1 _dispatch_continuation_pop  (in libdispatch.dylib) + 472  [0x7fff75235e81]
    +         !   1 _dispatch_client_callout  (in libdispatch.dylib) + 8  [0x7fff75222db8]
    +         !     1 free  (in libsystem_malloc.dylib) + 96  [0x7fff75406679]
    +         !       1 nano_size  (in libsystem_malloc.dylib) + 0  [0x7fff7540c07b]
    +         1 _dispatch_source_invoke  (in libdispatch.dylib) + 3285  [0x7fff75225aea]
    +           1 _dispatch_dispose  (in libdispatch.dylib) + 61  [0x7fff75223d00]
    +             1 _dispatch_source_dispose  (in libdispatch.dylib) + 6  [0x7fff7522c781]
    1 Thread_15337567   DispatchQueue_6230: source  (serial)
      1 start_wqthread  (in libsystem_pthread.dylib) + 13  [0x7fff75573be9]
        1 _pthread_wqthread  (in libsystem_pthread.dylib) + 1016  [0x7fff75573ff6]
          1 _dispatch_kevent_worker_thread  (in libdispatch.dylib) + 468  [0x7fff7523b796]
            1 _dispatch_mgr_queue_drain  (in libdispatch.dylib) + 122  [0x7fff75225fcf]
              1 _dispatch_queue_serial_drain  (in libdispatch.dylib) + 222  [0x7fff7523707a]
                1 _dispatch_source_invoke  (in libdispatch.dylib) + 1356  [0x7fff75225361]
                  1 _dispatch_queue_serial_drain  (in libdispatch.dylib) + 569  [0x7fff752371d5]

Total number in stack (recursive counted multiple, when >=5):
        7       start_wqthread  (in libsystem_pthread.dylib) + 13  [0x7fff75573be9]
        5       __workq_kernreturn  (in libsystem_kernel.dylib) + 0  [0x7fff753ad280]
        5       _pthread_body  (in libsystem_pthread.dylib) + 340  [0x7fff75574661]
        5       _pthread_start  (in libsystem_pthread.dylib) + 377  [0x7fff7557450d]
        5       thread_start  (in libsystem_pthread.dylib) + 13  [0x7fff75573bf9]

Sort by top of stack, same collapsed (when >= 5):
        __workq_kernreturn  (in libsystem_kernel.dylib)        10709
        mach_msg_trap  (in libsystem_kernel.dylib)        7999
        __psynch_mutexwait  (in libsystem_kernel.dylib)        2679
        __read_nocancel  (in libsystem_kernel.dylib)        2679
        __psynch_cvwait  (in libsystem_kernel.dylib)        2671
        Resampler2::ConvertSIMD_SmallIntegerRatio(float*, float*, unsigned int, unsigned int)  (in CoreAudio)        9
Binary Images:
       0x102c9f000 -        0x103704fff +org.tuxfamily.Hatari (Hatari version 2.2.1 - 2.2.0) <36F43015-A775-39C2-9555-678BC8C465DF> /Volumes/Emulation/Emulation/Hatari/Hatari 2.2.1.app/Contents/MacOS/Hatari
       0x104d01000 -        0x104e22ff7 +org.libsdl.SDL2 (2.0.9 - 2.0.9) <BC3C1B08-B9E9-3F82-BE5F-243E4F06B518> /Volumes/Emulation/Emulation/Hatari/Hatari 2.2.1.app/Contents/Frameworks/SDL2.framework/Versions/A/SDL2
       0x104e45000 -        0x104e68ff7 +libpng16.16.dylib (0) <2899DB85-1FE5-3B93-8F5B-D186D01C0A61> /Volumes/Emulation/Emulation/Hatari/Hatari 2.2.1.app/Contents/SharedSupport/libpng16.16.dylib
       0x104e75000 -        0x104e83fff +libportaudio.2.dylib (0) <859B0C10-4739-3474-B60D-1C6792EBBB98> /Volumes/Emulation/Emulation/Hatari/Hatari 2.2.1.app/Contents/SharedSupport/libportaudio.2.dylib
       0x104e8f000 -        0x104e98fff +libportmidi.dylib (0) <C24EC6F7-A760-3168-A586-CC8A24483EC5> /Volumes/Emulation/Emulation/Hatari/Hatari 2.2.1.app/Contents/SharedSupport/libportmidi.dylib
       0x104ea3000 -        0x104eb7ff7 +org.softpres.CAPSImage (5.1 - 5) <F3EC446F-9A7B-E365-9A48-F72B771084F8> /Volumes/Emulation/Emulation/Hatari/Hatari 2.2.1.app/Contents/Frameworks/CAPSImage.framework/CAPSImage
       0x104ed8000 -        0x104eeafef +libz.1.dylib (0) <6B60FBDF-AAED-3398-A5E5-02833F3CA82C> /usr/local/lib/libz.1.dylib
       0x106f6a000 -        0x106f6effb  com.apple.audio.AppleHDAHALPlugIn (281.52 - 281.52) <23C7DDE6-A44B-3BE4-B47C-EB3045B267D9> /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn
       0x106f74000 -        0x106f75fff +com.ecamm.EcammAudioLoader (1.0.4 - 1.0.4) <ADC6DD2A-BA4B-3A1D-88D9-A018B86F0F0E> /Library/Audio/Plug-Ins/HAL/EcammAudioLoader.plugin/Contents/MacOS/EcammAudioLoader
       0x1071ac000 -        0x1071f6acf  dyld (551.4) <8A72DE9C-A136-3506-AA02-4BA2B82DCAF3> /usr/lib/dyld
       0x107dc3000 -        0x107f6bff7  com.apple.audio.units.Components (1.14 - 1.14) <1E04BB32-1550-3851-8CD1-4A588BFE5D46> /System/Library/Components/CoreAudio.component/Contents/MacOS/CoreAudio
       0x10849b000 -        0x10849dff7  com.apple.CloudDocsFileProvider (1.0 - 575.14) <B44961F2-4735-3CE5-B519-0ED38AD5F1E5> /System/Library/PrivateFrameworks/FileProvider.framework/OverrideBundles/CloudDocsFileProvider.bundle/Contents/MacOS/CloudDocsFileProvider
       0x1084a2000 -        0x1084a5fff  com.apple.FileProviderOverride (125.15 - 125.15) <A7854D9E-5100-31FC-A84A-A86D6519FDED> /System/Library/PrivateFrameworks/FileProvider.framework/OverrideBundles/FileProviderOverride.bundle/Contents/MacOS/FileProviderOverride
       0x1084c6000 -        0x1084ccfff  com.apple.FinderSyncCollaborationFileProviderOverride (1.0 - 1054.5.4) <4C21E7FC-3B4C-30CA-8AAF-1310F6C8F946> /System/Library/PrivateFrameworks/FileProvider.framework/OverrideBundles/FinderSyncCollaborationFileProviderOverride.bundle/Contents/MacOS/FinderSyncCollaborationFileProviderOverride
       0x109813000 -        0x1098cdff3  com.apple.AMDRadeonX3000GLDriver (1.51.8 - 1.5.1) <A643313F-AD3F-31FD-B4A1-4F30DB3BFC71> /System/Library/Extensions/AMDRadeonX3000GLDriver.bundle/Contents/MacOS/AMDRadeonX3000GLDriver
       0x1098f4000 -        0x109afafff  ATIRadeonX3000SCLib.dylib (1.51.8.1) <ADF9910B-EBC5-30A8-B2BA-CCA9AA740F2E> /System/Library/Extensions/AMDRadeonX3000GLDriver.bundle/Contents/MacOS/ATIRadeonX3000SCLib.dylib
       0x109e26000 -        0x109e40fff  com.apple.security.csparser (3.0 - 58286.70.7) <9065D307-CC21-3ED2-95C7-BF2D59FC48D3> /System/Library/Frameworks/Security.framework/PlugIns/csparser.bundle/Contents/MacOS/csparser
       0x109e82000 -        0x109e8fff7  com.apple.iokit.IOHIDLib (2.0.0 - 2.0.0) <10AB8E8F-FD40-341C-83B6-887B7A9993AF> /System/Library/Extensions/IOHIDFamily.kext/Contents/PlugIns/IOHIDLib.plugin/Contents/MacOS/IOHIDLib
    0x7fff46150000 -     0x7fff4649eff7  com.apple.RawCamera.bundle (8.05.0 - 1017.4.1) <CAF490E6-CB0E-3EF0-B3D2-C4880CF85077> /System/Library/CoreServices/RawCamera.bundle/Contents/MacOS/RawCamera
    0x7fff492f2000 -     0x7fff494d2ff3  com.apple.avfoundation (2.0 - 1536.36) <BB65ED51-CE44-31BD-A6EC-4B1EC5EADDD9> /System/Library/Frameworks/AVFoundation.framework/Versions/A/AVFoundation
    0x7fff494d3000 -     0x7fff4958cfff  com.apple.audio.AVFAudio (1.0 - ???) <ECE63BA3-4344-3522-904B-71F89677AC7D> /System/Library/Frameworks/AVFoundation.framework/Versions/A/Frameworks/AVFAudio.framework/Versions/A/AVFAudio
    0x7fff49692000 -     0x7fff49692fff  com.apple.Accelerate (1.11 - Accelerate 1.11) <2EF00EFE-06E8-3082-85C3-2988B422A19D> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
    0x7fff49693000 -     0x7fff496aaff7  libCGInterfaces.dylib (417.2) <2F9C08AF-6DC1-325C-AE8A-BD7364A72F16> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/Libraries/libCGInterfaces.dylib
    0x7fff496ab000 -     0x7fff49df9ffb  com.apple.vImage (8.1 - ???) <56C275C1-459F-37CD-BF29-2E6D81C29E53> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
    0x7fff49dfa000 -     0x7fff49f9aff3  libBLAS.dylib (1211.50.2) <93259222-2D94-333D-A1EB-09C6FC4A64B4> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
    0x7fff49f9b000 -     0x7fff49fd5fef  libBNNS.dylib (38.1) <0AAE0109-71D5-3B26-8401-3E62DDF97624> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBNNS.dylib
    0x7fff49fd6000 -     0x7fff4a3afff7  libLAPACK.dylib (1211.50.2) <70781D0B-AEAD-33EB-9900-10DC30F37D61> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
    0x7fff4a3b0000 -     0x7fff4a3c6ff7  libLinearAlgebra.dylib (1211.50.2) <FB5A35EA-D636-3D69-AB53-B67E1EB8134C> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLinearAlgebra.dylib
    0x7fff4a3c7000 -     0x7fff4a3ccff3  libQuadrature.dylib (3) <3D6BF66A-55B2-3692-BAC7-DEB0C676ED29> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libQuadrature.dylib
    0x7fff4a3cd000 -     0x7fff4a44dfff  libSparse.dylib (79.50.2) <0DC25CDD-F8C1-3D6E-B472-8B060708424F> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparse.dylib
    0x7fff4a44e000 -     0x7fff4a460ff7  libSparseBLAS.dylib (1211.50.2) <994A7D7E-FA3B-3943-A59C-8150B9AF86BE> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparseBLAS.dylib
    0x7fff4a461000 -     0x7fff4a5d4fe7  libvDSP.dylib (622.50.5) <4BF310F4-31A3-3DA5-80E4-7F8014AD380B> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
    0x7fff4a5d5000 -     0x7fff4a68bfef  libvMisc.dylib (622.50.5) <88143A88-4FDE-35A1-85FE-54FF0C2A9E43> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib

Kirkman · Post by **Kirkman** » Tue May 21, 2019 3:23 am

And part two:

Code: Select all

    0x7fff4a68c000 -     0x7fff4a68cfff  com.apple.Accelerate.vecLib (3.11 - vecLib 3.11) <880DEF40-389A-3F56-ACA1-B62A5BC57E59> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
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    0x7fff7501b000 -     0x7fff75043fff  libxslt.1.dylib (15.12) <4A5E011D-8B29-3135-A52B-9A9070ABD752> /usr/lib/libxslt.1.dylib
    0x7fff75044000 -     0x7fff75056ffb  libz.1.dylib (70) <48C67CFC-940D-3857-8DAD-857774605352> /usr/lib/libz.1.dylib
    0x7fff750f2000 -     0x7fff750f6ff7  libcache.dylib (80) <092479CB-1008-3A83-BECF-E115F24D13C1> /usr/lib/system/libcache.dylib
    0x7fff750f7000 -     0x7fff75101ff3  libcommonCrypto.dylib (60118.50.1) <029F5985-9B6E-3DCB-9B96-FD007678C6A7> /usr/lib/system/libcommonCrypto.dylib
    0x7fff75102000 -     0x7fff75109fff  libcompiler_rt.dylib (62) <968B8E3F-3681-3230-9D78-BB8732024F6E> /usr/lib/system/libcompiler_rt.dylib
    0x7fff7510a000 -     0x7fff75113ffb  libcopyfile.dylib (146.50.5) <3885083D-50D8-3EEC-B481-B2E605180D7F> /usr/lib/system/libcopyfile.dylib
    0x7fff75114000 -     0x7fff75199fff  libcorecrypto.dylib (562.70.1) <5C26364F-2269-31EC-84AF-0FED2C902E38> /usr/lib/system/libcorecrypto.dylib
    0x7fff75221000 -     0x7fff7525aff7  libdispatch.dylib (913.60.2) <232C69BD-022E-3AB9-8807-79F9FA7CB5EC> /usr/lib/system/libdispatch.dylib
    0x7fff7525b000 -     0x7fff75278ff7  libdyld.dylib (551.4) <81BF3A82-5719-3B54-ABA9-76C82D932CAC> /usr/lib/system/libdyld.dylib
    0x7fff75279000 -     0x7fff75279ffb  libkeymgr.dylib (28) <E34E283E-90FA-3C59-B48E-1277CDB9CDCE> /usr/lib/system/libkeymgr.dylib
    0x7fff7527a000 -     0x7fff75286ff3  libkxld.dylib (4570.71.2) <C3C31E1B-3E74-3828-8429-4D442E26D41C> /usr/lib/system/libkxld.dylib
    0x7fff75287000 -     0x7fff75287ff7  liblaunch.dylib (1205.70.9) <B184B521-FF24-3142-AFAF-23D170CF918C> /usr/lib/system/liblaunch.dylib
    0x7fff75288000 -     0x7fff7528cffb  libmacho.dylib (906) <1902A611-081A-3452-B11E-EBD1B166E831> /usr/lib/system/libmacho.dylib
    0x7fff7528d000 -     0x7fff7528fff3  libquarantine.dylib (86) <26C0BA22-8F93-3A07-9A4E-C8D53D2CE42E> /usr/lib/system/libquarantine.dylib
    0x7fff75290000 -     0x7fff75291ff3  libremovefile.dylib (45) <711E18B2-5BBE-3211-A916-56740C27D17A> /usr/lib/system/libremovefile.dylib
    0x7fff75292000 -     0x7fff752a9fff  libsystem_asl.dylib (356.70.1) <39E46A6F-B228-3E78-B83E-1779F9707A39> /usr/lib/system/libsystem_asl.dylib
    0x7fff752aa000 -     0x7fff752aafff  libsystem_blocks.dylib (67) <17303FDF-0D2D-3963-B05E-B4DF63052D47> /usr/lib/system/libsystem_blocks.dylib
    0x7fff752ab000 -     0x7fff75334ff7  libsystem_c.dylib (1244.50.9) <1187BFE8-4576-3247-8177-481554E1F9E7> /usr/lib/system/libsystem_c.dylib
    0x7fff75335000 -     0x7fff75338ffb  libsystem_configuration.dylib (963.50.8) <DF6B5287-203E-30CB-9947-78DF446C72B8> /usr/lib/system/libsystem_configuration.dylib
    0x7fff75339000 -     0x7fff7533cffb  libsystem_coreservices.dylib (51) <486000D3-D8CB-3BE7-8EE5-8BF380DE6DF7> /usr/lib/system/libsystem_coreservices.dylib
    0x7fff7533d000 -     0x7fff7533efff  libsystem_darwin.dylib (1244.50.9) <09C21A4A-9EE0-388B-A9D9-DFF8F6758791> /usr/lib/system/libsystem_darwin.dylib
    0x7fff7533f000 -     0x7fff75345ff7  libsystem_dnssd.dylib (878.70.2) <3290768B-54DE-3AB6-B155-AC0950AC5564> /usr/lib/system/libsystem_dnssd.dylib
    0x7fff75346000 -     0x7fff7538fff7  libsystem_info.dylib (517.30.1) <AB634A98-B8AA-3804-8436-38261FC8EC4D> /usr/lib/system/libsystem_info.dylib
    0x7fff75390000 -     0x7fff753b6ff7  libsystem_kernel.dylib (4570.71.2) <F22B8D73-69D8-36D7-BF66-7F9AC70C08C2> /usr/lib/system/libsystem_kernel.dylib
    0x7fff753b7000 -     0x7fff75402fcb  libsystem_m.dylib (3147.50.1) <8CFB51C9-B422-3379-8552-064C63943A23> /usr/lib/system/libsystem_m.dylib
    0x7fff75403000 -     0x7fff75422fff  libsystem_malloc.dylib (140.50.6) <7FD43735-9DDD-300E-8C4A-F909A74BDF49> /usr/lib/system/libsystem_malloc.dylib
    0x7fff75423000 -     0x7fff75553ff7  libsystem_network.dylib (1229.70.2) <5E86B2DE-9E15-3354-8714-4094ED5F698D> /usr/lib/system/libsystem_network.dylib
    0x7fff75554000 -     0x7fff7555effb  libsystem_networkextension.dylib (767.70.1) <D23EAFC1-E8BD-34D5-969C-6E45A1C3B4E4> /usr/lib/system/libsystem_networkextension.dylib
    0x7fff7555f000 -     0x7fff75568ff3  libsystem_notify.dylib (172) <08012EC0-2CD2-34BE-BF93-E7F56491299A> /usr/lib/system/libsystem_notify.dylib
    0x7fff75569000 -     0x7fff75570ff7  libsystem_platform.dylib (161.50.1) <6355EE2D-5456-3CA8-A227-B96E8F1E2AF8> /usr/lib/system/libsystem_platform.dylib
    0x7fff75571000 -     0x7fff7557cfff  libsystem_pthread.dylib (301.50.1) <0E51CCBA-91F2-34E1-BF2A-FEEFD3D321E4> /usr/lib/system/libsystem_pthread.dylib
    0x7fff7557d000 -     0x7fff75580fff  libsystem_sandbox.dylib (765.70.1) <553DFCC6-9D31-3B9C-AB7C-30F6F265786D> /usr/lib/system/libsystem_sandbox.dylib
    0x7fff75581000 -     0x7fff75582ff3  libsystem_secinit.dylib (30) <DE8D14E8-A276-3FF8-AE13-77F7040F33C1> /usr/lib/system/libsystem_secinit.dylib
    0x7fff75583000 -     0x7fff7558aff7  libsystem_symptoms.dylib (820.60.2) <585BDFA2-D54D-39D0-8046-44E824DABD43> /usr/lib/system/libsystem_symptoms.dylib
    0x7fff7558b000 -     0x7fff7559efff  libsystem_trace.dylib (829.70.1) <3A6CB706-8CA6-3616-8AFC-14AAD7FAF187> /usr/lib/system/libsystem_trace.dylib
    0x7fff755a0000 -     0x7fff755a5ff7  libunwind.dylib (35.3) <BEF3FB49-5604-3B5F-82B5-332B80023AC3> /usr/lib/system/libunwind.dylib
    0x7fff755a6000 -     0x7fff755d3ff7  libxpc.dylib (1205.70.9) <0BC7AD67-671D-31D4-8B88-C317B8379598> /usr/lib/system/libxpc.dylib
Sample analysis of process 33235 written to file /dev/stdout

Eero Tamminen · Post by **Eero Tamminen** » Thu May 23, 2019 9:23 pm

Thanks! Part two doesn't seem to have anything interesting, but part one is. Actual Hatari code related things in part one, are following...

RS232 input thread, is waiting for input, and shouldn't block Hatari as it's a separate thread:

Code: Select all

    2679 Thread_15337413: rs232
    + 2679 thread_start  (in libsystem_pthread.dylib) + 13  [0x7fff75573bf9]
    +   2679 _pthread_start  (in libsystem_pthread.dylib) + 377  [0x7fff7557450d]
    +     2679 _pthread_body  (in libsystem_pthread.dylib) + 340  [0x7fff75574661]
    +       2679 ???  (in SDL2)  load address 0x104d01000 + 0x212e9  [0x104d222e9]
    +         2679 ???  (in SDL2)  load address 0x104d01000 + 0x2187c  [0x104d2287c]
    +           2679 ???  (in Hatari)  load address 0x102c9f000 + 0x5efb1  [0x102cfdfb1]
    +             2679 fgetc  (in libsystem_c.dylib) + 52  [0x7fff752e746f]
    +               2679 __srget  (in libsystem_c.dylib) + 14  [0x7fff752ede39]
    +                 2679 __srefill1  (in libsystem_c.dylib) + 24  [0x7fff752edd1e]
    +                   2679 _sread  (in libsystem_c.dylib) + 16  [0x7fff752ee6f1]
    +                     2679 __read_nocancel  (in libsystem_kernel.dylib) + 10  [0x7fff753acbea]

Hatari "fileno()" function call in the main thread, either RS232_SetBitsConfig() or RS232_SetBaudRate() function:

Code: Select all

...
    +           2679 ???  (in Hatari)  load address 0x102c9f000 + 0x5f641  [0x102cfe641]
    +             2679 ???  (in Hatari)  load address 0x102c9f000 + 0x5f8ba  [0x102cfe8ba]
    +               2679 fileno  (in libsystem_c.dylib) + 15  [0x7fff752e7c66]
    +                 2679 flockfile  (in libsystem_c.dylib) + 31  [0x7fff752e6cfa]
    +                   2679 _pthread_mutex_lock_slow  (in libsystem_pthread.dylib) + 253  [0x7fff755724c8]
    +                     2679 _pthread_mutex_lock_wait  (in libsystem_pthread.dylib) + 83  [0x7fff75574b9d]
    +                       2679 __psynch_mutexwait  (in libsystem_kernel.dylib) + 10  [0x7fff753aca46]

I had no idea that fileno() call could block... But it appears to be brain damaged libc design from BSD / Apple.

I found the relevant Apple C-code implementation from here:
* fgetc(): https://github.com/unofficial-opensourc ... getc.c#L46
* fileno(): https://github.com/unofficial-opensourc ... leno.c#L48
* FLOCKFILE(): https://github.com/unofficial-opensourc ... stub.c#L59

I.e. Apple does always locking for fileno() & fgets(), which causes deadlock with Hatari threads when RS232 is configured.

Whereas Linux Glibc: https://github.com/lattera/glibc/blob/m ... o/fileno.c

Is more sensible:

/* The fileno implementation for libio does not require locking because
it only accesses once a single variable and this is already atomic
(at least at thread level). Therefore we don't test _IO_MTSAFE_IO here. */

Apple libc could do the same (fileno() operation is fp->_fileno access in Glibc, and fp->_file in Apple/FreeBSD). As long as file descriptor is valid, file number doesn't change.

Attached patch should work around that. Apply it to Hatari sources with "patch -p1 < mac-fileno-lockup.patch", re-compile and test.

mac-fileno-lockup.patch.txt

If it fixes the issue, I can apply it to Hatari sources.

Then I suggest you to file a bug report to Apple about their broken fileno() implementation.

Kirkman · Post by **Kirkman** » Fri May 24, 2019 4:15 am

Seems like that was a step in the right direction. After applying the patch, I was able to load TAZ100B following the steps I outlined above, without crashing.

Unfortunately, when I try typing a command (such as "atdt5555555") into TAZ or ANSIterm, the terminal displays gibberish as if I'm using the wrong baud rate. However I'm definitely using the right baud rate (19200) which matches how my Lantronix is configured. Changing to other baud rates does not resolve the issue.

There is a further problem. I am able to quit ANSIterm and TAZ back to the Atari desktop -- but if I then try to quit Hatari, Hatari freezes. Here is a trace from one attempt to quit Hatari after testing ANSIterm:

Code: Select all

Call graph:
    2796 Thread_18981   DispatchQueue_1: com.apple.main-thread  (serial)
    + 2796 start  (in libdyld.dylib) + 1  [0x7fff70e13015]
    +   2796 main  (in Hatari) + 695  [0x10f107787]
    +     2796 NSApplicationMain  (in AppKit) + 804  [0x7fff4653ca72]
    +       2796 -[NSApplication run]  (in AppKit) + 764  [0x7fff4656d885]
    +         2796 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:]  (in AppKit) + 3044  [0x7fff46d0ee34]
    +           2796 _DPSNextEvent  (in AppKit) + 2788  [0x7fff46578d32]
    +             2796 AEProcessAppleEvent  (in HIToolbox) + 55  [0x7fff482d74a0]
    +               2796 aeProcessAppleEvent  (in AE) + 383  [0x7fff4a100565]
    +                 2796 dispatchEventAndSendReply(AEDesc const*, AEDesc*)  (in AE) + 41  [0x7fff4a100677]
    +                   2796 aeDispatchAppleEvent(AEDesc const*, AEDesc*, unsigned int, unsigned char*)  (in AE) + 1788  [0x7fff4a100dd0]
    +                     2796 _NSAppleEventManagerGenericHandler  (in Foundation) + 102  [0x7fff4b127592]
    +                       2796 -[NSAppleEventManager dispatchRawAppleEvent:withRawReply:handlerRefCon:]  (in Foundation) + 287  [0x7fff4b127714]
    +                         2796 -[NSApplication(NSAppleEventHandling) _handleCoreEvent:withReplyEvent:]  (in AppKit) + 690  [0x7fff4657d6e9]
    +                           2796 -[NSApplication(NSAppleEventHandling) _handleAEOpenEvent:]  (in AppKit) + 562  [0x7fff4657dab3]
    +                             2796 -[NSApplication _sendFinishLaunchingNotification]  (in AppKit) + 220  [0x7fff466aae4f]
    +                               2796 -[NSApplication _postDidFinishNotification]  (in AppKit) + 313  [0x7fff466ab206]
    +                                 2796 -[NSNotificationCenter postNotificationName:object:userInfo:]  (in Foundation) + 66  [0x7fff4b0e48c7]
    +                                   2796 _CFXNotificationPost  (in CoreFoundation) + 659  [0x7fff48fbadb3]
    +                                     2796 -[_CFXNotificationRegistrar find:object:observer:enumerator:]  (in CoreFoundation) + 1826  [0x7fff48fbbd22]
    +                                       2796 ___CFXNotificationPost_block_invoke  (in CoreFoundation) + 225  [0x7fff48ffd1d1]
    +                                         2796 _CFXRegistrationPost  (in CoreFoundation) + 458  [0x7fff48ffd49a]
    +                                           2796 __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__  (in CoreFoundation) + 12  [0x7fff48ffd5cc]
    +                                             2796 -[HatariAppDelegate applicationDidFinishLaunching:]  (in Hatari) + 65  [0x10f1065d1]
    +                                               2796 SDL_main  (in Hatari) + 1072  [0x10f0c9460]
    +                                                 2796 RS232_UnInit  (in Hatari) + 77  [0x10f0d3bed]
    +                                                   2796 fclose  (in libsystem_c.dylib) + 57  [0x7fff70e9e0c6]
    +                                                     2796 flockfile  (in libsystem_c.dylib) + 31  [0x7fff70e9dcfa]
    +                                                       2796 _pthread_mutex_lock_slow  (in libsystem_pthread.dylib) + 253  [0x7fff711294c8]
    +                                                         2796 _pthread_mutex_lock_wait  (in libsystem_pthread.dylib) + 83  [0x7fff7112bb9d]
    +                                                           2796 __psynch_mutexwait  (in libsystem_kernel.dylib) + 10  [0x7fff70f63a46]
    2796 Thread_19215: com.apple.audio.IOThread.client
    + 2796 thread_start  (in libsystem_pthread.dylib) + 13  [0x7fff7112abf9]
    +   2796 _pthread_start  (in libsystem_pthread.dylib) + 377  [0x7fff7112b50d]
    +     2796 _pthread_body  (in libsystem_pthread.dylib) + 340  [0x7fff7112b661]
    +       2796 HALB_IOThread::Entry(void*)  (in CoreAudio) + 72  [0x7fff48a32ffe]
    +         2796 HALC_ProxyIOContext::IOThreadEntry(void*)  (in CoreAudio) + 128  [0x7fff48a332bc]
    +           2788 HALC_ProxyIOContext::IOWorkLoop()  (in CoreAudio) + 977  [0x7fff48a33859]
    +           ! 2788 HALB_MachPort::SendSimpleMessageWithSimpleReply(unsigned int, unsigned int, int, int&, bool, unsigned int)  (in CoreAudio) + 45  [0x7fff48a367ed]
    +           !   2788 HALB_MachPort::SendMessageWithReply(unsigned int, unsigned int, unsigned int, unsigned int, mach_msg_header_t*, bool, unsigned int)  (in CoreAudio) + 124  [0x7fff48a3687a]
    +           !     2788 mach_msg  (in libsystem_kernel.dylib) + 60  [0x7fff70f59724]
    +           !       2788 mach_msg_trap  (in libsystem_kernel.dylib) + 10  [0x7fff70f5a20a]
    +           8 HALC_ProxyIOContext::IOWorkLoop()  (in CoreAudio) + 5021  [0x7fff48a34825]
    +             6 AUHAL::AUIOProc(unsigned int, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*)  (in CoreAudio) + 1726  [0x1131b8fb4]
    +             : 6 AUBase::DoRender(unsigned int&, AudioTimeStamp const&, unsigned int, unsigned int, AudioBufferList&)  (in CoreAudio) + 546  [0x1132df32a]
    +             :   6 AUBase::DoRenderBus(unsigned int&, AudioTimeStamp const&, unsigned int, AUOutputElement*, unsigned int, AudioBufferList&)  (in CoreAudio) + 166  [0x1132dfc54]
    +             :     6 AUConverterBase::RenderBus(unsigned int&, AudioTimeStamp const&, unsigned int, unsigned int)  (in CoreAudio) + 572  [0x1131b5494]
    +             :       6 AUInputFormatConverter2::PullAndConvertInput(AudioTimeStamp const&, unsigned int&, AudioBufferList&, AudioStreamPacketDescription*, bool&)  (in CoreAudio) + 107  [0x1131b5653]
    +             :         4 AudioConverterFillComplexBuffer  (in AudioToolbox) + 1076  [0x7fff4796e88f]
    +             :         | 4 BufferedAudioConverter::FillBuffer(unsigned int&, AudioBufferList&, AudioStreamPacketDescription*)  (in AudioToolbox) + 346  [0x7fff4796eefa]
    +             :         |   4 AudioConverterChain::RenderOutput(CABufferList*, unsigned int, unsigned int&, AudioStreamPacketDescription*)  (in AudioToolbox) + 106  [0x7fff4796f24a]
    +             :         |     4 BufferedAudioConverter::FillBuffer(unsigned int&, AudioBufferList&, AudioStreamPacketDescription*)  (in AudioToolbox) + 346  [0x7fff4796eefa]
    +             :         |       4 SampleRateConverter::RenderOutput(CABufferList*, unsigned int, unsigned int&, AudioStreamPacketDescription*)  (in AudioToolbox) + 39  [0x7fff4798c7bf]
    +             :         |         2 Resampler2Wrapper::RenderOutput(CABufferList*, unsigned int, unsigned int&)  (in AudioToolbox) + 244  [0x7fff47a06748]
    +             :         |         + 2 BufferedAudioConverter::GetInputBytes(unsigned int, unsigned int&, CABufferList const*&)  (in AudioToolbox) + 161  [0x7fff4797c3f1]
    +             :         |         +   2 BufferedAudioConverter::FillBuffer(unsigned int&, AudioBufferList&, AudioStreamPacketDescription*)  (in AudioToolbox) + 346  [0x7fff4796eefa]
    +             :         |         +     2 CBRConverter::RenderOutput(CABufferList*, unsigned int, unsigned int&, AudioStreamPacketDescription*)  (in AudioToolbox) + 107  [0x7fff4797c221]
    +             :         |         +       2 BufferedAudioConverter::GetInputBytes(unsigned int, unsigned int&, CABufferList const*&)  (in AudioToolbox) + 207  [0x7fff4797c41f]
    +             :         |         +         2 AudioConverterChain::FillBufferFromInputProc(unsigned int*, CABufferList*)  (in AudioToolbox) + 127  [0x7fff4797c4bd]
    +             :         |         +           2 AudioConverterChain::CallInputProc(unsigned int)  (in AudioToolbox) + 613  [0x7fff4797c807]
    +             :         |         +             2 AUInputFormatConverter2::InputProc(OpaqueAudioConverter*, unsigned int*, AudioBufferList*, AudioStreamPacketDescription**, void*)  (in CoreAudio) + 199  [0x1131b61ef]
    +             :         |         +               2 AUInputElement::PullInput(unsigned int&, AudioTimeStamp const&, unsigned int, unsigned int)  (in CoreAudio) + 185  [0x1132d8d59]
    +             :         |         +                 2 ???  (in SDL2)  load address 0x11105c000 + 0x2640  [0x11105e640]
    +             :         |         2 Resampler2Wrapper::RenderOutput(CABufferList*, unsigned int, unsigned int&)  (in AudioToolbox) + 757  [0x7fff47a06949]
    +             :         |           2 Resampler2::PushConvert(float const*, float const*, float*, float*, unsigned int&, unsigned int&, unsigned int, unsigned int, unsigned int)  (in AudioToolbox) + 295  [0x7fff47b129e7]
    +             :         |             2 Resampler2::ConvertSIMD_SmallIntegerRatio(float*, float*, unsigned int, unsigned int)  (in AudioToolbox) + 931,979  [0x7fff47b0d453,0x7fff47b0d483]
    +             :         1 AudioConverterFillComplexBuffer  (in AudioToolbox) + 64  [0x7fff4796e49b]
    +             :         | 1 BaseOpaqueObject::ResolveOpaqueRef(BaseOpaqueObject::RTTI const&, BaseOpaqueObject::Ref)  (in AudioToolbox) + 23  [0x7fff47b43d5b]
    +             :         1 AudioConverterFillComplexBuffer  (in AudioToolbox) + 796  [0x7fff4796e777]
    +             1 AUHAL::AUIOProc(unsigned int, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*)  (in CoreAudio) + 81  [0x1131b8947]
    +             : 1 CAMutex::Try(bool&)  (in CoreAudio) + 45  [0x1132f2801]
    +             :   1 pthread_self  (in libsystem_pthread.dylib) + 0  [0x7fff7112a4b8]
    +             1 AUHAL::AUIOProc(unsigned int, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*)  (in CoreAudio) + 1313  [0x1131b8e17]
    +               1 AUTimestampGenerator::State::GenerateInputTime(AUTimestampGenerator const&, double, double, bool)  (in CoreAudio) + 79  [0x1132ec753]
    +                 1 AUTimestampGenerator::State::PropagateHostAndSampleTime(AUTimestampGenerator const&, double, double, double, bool)  (in CoreAudio) + 1  [0x1132ec5a5]
    2796 Thread_19236: com.apple.NSEventThread
    + 2796 thread_start  (in libsystem_pthread.dylib) + 13  [0x7fff7112abf9]
    +   2796 _pthread_start  (in libsystem_pthread.dylib) + 377  [0x7fff7112b50d]
    +     2796 _pthread_body  (in libsystem_pthread.dylib) + 340  [0x7fff7112b661]
    +       2796 _NSEventThread  (in AppKit) + 184  [0x7fff466b5fc4]
    +         2796 CFRunLoopRunSpecific  (in CoreFoundation) + 487  [0x7fff48fe79b7]
    +           2796 __CFRunLoopRun  (in CoreFoundation) + 1783  [0x7fff48fe8347]
    +             2796 __CFRunLoopServiceMachPort  (in CoreFoundation) + 341  [0x7fff48fe8ff5]
    +               2796 mach_msg  (in libsystem_kernel.dylib) + 60  [0x7fff70f59724]
    +                 2796 mach_msg_trap  (in libsystem_kernel.dylib) + 10  [0x7fff70f5a20a]
    2796 Thread_19363: rs232
    + 2796 thread_start  (in libsystem_pthread.dylib) + 13  [0x7fff7112abf9]
    +   2796 _pthread_start  (in libsystem_pthread.dylib) + 377  [0x7fff7112b50d]
    +     2796 _pthread_body  (in libsystem_pthread.dylib) + 340  [0x7fff7112b661]
    +       2796 ???  (in SDL2)  load address 0x11105c000 + 0x33709  [0x11108f709]
    +         2796 ???  (in SDL2)  load address 0x11105c000 + 0x33c7c  [0x11108fc7c]
    +           2796 RS232_ThreadFunc  (in Hatari) + 65  [0x10f0d3ae1]
    +             2796 fgetc  (in libsystem_c.dylib) + 52  [0x7fff70e9e46f]
    +               2796 __srget  (in libsystem_c.dylib) + 14  [0x7fff70ea4e39]
    +                 2796 __srefill1  (in libsystem_c.dylib) + 24  [0x7fff70ea4d1e]
    +                   2796 _sread  (in libsystem_c.dylib) + 16  [0x7fff70ea56f1]
    +                     2796 __read_nocancel  (in libsystem_kernel.dylib) + 10  [0x7fff70f63bea]
    2796 Thread_24516
    + 2796 start_wqthread  (in libsystem_pthread.dylib) + 13  [0x7fff7112abe9]
    +   2796 _pthread_wqthread  (in libsystem_pthread.dylib) + 1552  [0x7fff7112b20e]
    +     2796 __workq_kernreturn  (in libsystem_kernel.dylib) + 10  [0x7fff70f6428a]
    924 Thread_19504
      924 start_wqthread  (in libsystem_pthread.dylib) + 13  [0x7fff7112abe9]
        923 _pthread_wqthread  (in libsystem_pthread.dylib) + 1035  [0x7fff7112b009]
        ! 923 __workq_kernreturn  (in libsystem_kernel.dylib) + 10  [0x7fff70f6428a]
        1 _pthread_wqthread  (in libsystem_pthread.dylib) + 1613  [0x7fff7112b24b]
          1 _pthread_exit  (in libsystem_pthread.dylib) + 250  [0x7fff7112cf94]
            1 _pthread_terminate  (in libsystem_pthread.dylib) + 312  [0x7fff7112f041]

Eero Tamminen · Post by **Eero Tamminen** » Fri May 24, 2019 11:59 pm

Kirkman wrote:Unfortunately, when I try typing a command (such as "atdt5555555") into TAZ or ANSIterm, the terminal displays gibberish as if I'm using the wrong baud rate. However I'm definitely using the right baud rate (19200) which matches how my Lantronix is configured. Changing to other baud rates does not resolve the issue.

Try whether this test-patch helps:

no-isatty-check.patch.txt

If not, try this one:

mfp-access-lock.patch.txt

Kirkman wrote:There is a further problem. I am able to quit ANSIterm and TAZ back to the Atari desktop -- but if I then try to quit Hatari, Hatari freezes. Here is a trace from one attempt to quit Hatari after testing ANSIterm:

Ok, this is same issue as with fileno(), just with fclose(). With that, Mac libc use of locking is reasonable.

It wasn't an issue with SDL v1 because that had a thread kill function, which Hatari called before trying to do fclose() from main thread. With SDL v2 there's no portable way of killing a thread, and quick test with phtread_kill() didn't work properly.

Please try whether echo'ing something to the (device) file you use as serial input allows Hatari quit to finish.

Btw. for MIDI, input handling isn't done with threading, but by using non-blocking IO (basically select()), for which there's no portable solution. Because of that, MIDI wasn't supported on Windows until portmidi support was also added to Hatari. I think MIDI should work on Mac even without portmidi support, as with Apple's BSD derived code base, it should definitely support select()...

zerberus · Post by **zerberus** » Wed Nov 20, 2019 9:38 pm

Hi,

i am just going to comment on this thread because i think i am having a similar problem. I am using Hatari 2.2.1 on macos catalina and with a cheap USB modem. I have used the modem to actually connect via dial up to a bbs with syncterm. the device is /dev/cu.usbmodem123456781 or /dev/tty.usbmodem123456781 . Both work equally fine with syncterm.

When i run hatari and activate RS232 serial support without changing the /dev/modem first i get an error message by hatari and thats that (as expected). Once i change the device name to one of the two mentioned above hatari immediately freezes completely. I have tried emutos as well as tos 2.06. i have tried starting a terminal emulation in hatari first to no avail.

i don't have a firm grasp on *nix stuff, but still tried to apply the patch (mac-fileno-lockup.patch). the whole compilation process went pretty far but in the end gave a bunch of error messages about deprecated-declarations and quit.

i wonder has, the patch worked for you Kirkmann? If so can it be integrated into a macos binary?

thanks for reading

zerberus

Eero Tamminen · Post by **Eero Tamminen** » Thu Nov 21, 2019 12:12 am

There are no good options for Mac.

You may be able to avoid freezing Hatari if you:
* Apply the fileno() patch
* Pre-configure RS232 settings to hatari config file, instead of doing configuring with Hatari GUI
* Build Hatari (git version) with libSDL1 (which supports killing the RS232 read thread so that closing the device file doesn't deadlock)

But libSDL1 support for MacOS GUI is pretty bad (buggy & slow).

Getting RS232 working with Mac (and other OSes using BSD libraries with their awfully coarse locking) would require complete rewrite of the RS232 code; to change it from using threads & SDL's (working but too limited) thread functions, to being single-threaded & select() based.

Windows doesn't support select() etc BSD functions like MacOS & Linux do. I'm not sure whether Hatari has more Windows users than Mac users, but fixing RS232 for Mac users while ruining it for Windows users, doesn't seem like an overall win. :-/

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