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Date: Mon, 27 May 2024 11:14:29 -0400
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Subject: Re: TeX Live 2024:: asympote 2.88-1 hangs after outputting a pdf
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From: Ken Brown via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Ken Brown <kbrown AT cornell DOT edu>
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On 5/27/2024 5:17 AM, Lemures Lemniscati via Cygwin wrote:
> On Sun, 26 May 2024 18:02:54 -0400, Ken Brown via Cygwin
> Here is a log from gdb. Will it help?
>   run
>   info threads
>   info stack
>   list
> 
> 
> $ HOME=/tmp gdb --args asy -vv -f pdf test
[...]
> Thread 5 "sig" received signal SIGTRAP, Trace/breakpoint trap.

I don't get this SIGRAP when I run the same command.  The program just 
runs to completion.  Maybe someone can explain what might cause this.  I 
have no idea.

> [Switching to Thread 10728.0x4c0c]
> 0x00007ffd8487d313 in KERNELBASE!DebugBreak () from /cygdrive/c/WINDOWS/System32/KERNELBASE.dll
> (gdb) info threads
>    Id   Target Id                      Frame
>    1    Thread 10728.0x57c8 "asy"      0x00007ffd871b04a4 in ntdll!ZwWaitForMultipleObjects () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>    2    Thread 10728.0xa9c             0x00007ffd871b35a4 in ntdll!ZwWaitForWorkViaWorkerFactory () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>    3    Thread 10728.0x3ed0            0x00007ffd871b35a4 in ntdll!ZwWaitForWorkViaWorkerFactory () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>    4    Thread 10728.0xbd0             0x00007ffd871b35a4 in ntdll!ZwWaitForWorkViaWorkerFactory () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
> * 5    Thread 10728.0x4c0c "sig"      0x00007ffd8487d313 in KERNELBASE!DebugBreak () from /cygdrive/c/WINDOWS/System32/KERNELBASE.dll
>    7    Thread 10728.0x29d0 "asy"      0x00007ffd871b04a4 in ntdll!ZwWaitForMultipleObjects () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>    8    Thread 10728.0x4ec8 "asy"      0x00007ffd871b04a4 in ntdll!ZwWaitForMultipleObjects () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>    9    Thread 10728.0x2cfc "asy"      0x00007ffd871b04a4 in ntdll!ZwWaitForMultipleObjects () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>    10   Thread 10728.0x47bc "asy"      0x00007ffd871b04a4 in ntdll!ZwWaitForMultipleObjects () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>    11   Thread 10728.0x22d0 "asy"      0x00007ffd871b04a4 in ntdll!ZwWaitForMultipleObjects () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>    12   Thread 10728.0x4268 "asy"      0x00007ffd871b04a4 in ntdll!ZwWaitForMultipleObjects () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>    13   Thread 10728.0x2f94 "asy"      0x00007ffd871b04a4 in ntdll!ZwWaitForMultipleObjects () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>    14   Thread 10728.0x43cc "waitproc" 0x00007ffd871af9d4 in ntdll!ZwWaitForSingleObject () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll

The one thing that strikes me about this is the large number of "asy" 
threads.  There was a recent bug report about multithreading in 
cygwin-3.5.3:

   https://cygwin.com/pipermail/cygwin/2024-May/255987.html

Can you try installing a 3.4.x version of cygwin and see if you still 
get the hang?

Ken

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