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To: Mark Geisert <mark AT maxrnd DOT com>, "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject: RE: [EXTERNAL] Re: cygwin1.dll calls assert before cygwin command
 hangs
Thread-Topic: [EXTERNAL] Re: cygwin1.dll calls assert before cygwin command
 hangs
Thread-Index: AdlditxF7ei2LtpMSxSBZNEs9rLv0gARe3eAAAAsG4AAC695UA==
Date: Fri, 24 Mar 2023 03:32:44 +0000
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From: "Lavrentiev, Anton \(NIH/NLM/NCBI\) \[C\] via Cygwin" <cygwin AT cygwin DOT com>
Reply-To: "Lavrentiev, Anton \(NIH/NLM/NCBI\) \[C\]" <lavr AT ncbi DOT nlm DOT nih DOT gov>
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Sender: "Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

> Sorry, the second gdb command should be
>      info line *__assert+0x42a4
> > (Note the change in symbol name: two "_" there)
>

I think it'd be easier to "catch" the problem rather than to chase it by running all commands under the debugger.

For that, define the CYGWIN environment variable (via Windows) as:
error_start=c:\cygwin64\bin\dumper.exe

(that assumes that Cygwin is installed at c:\cygwin64)

Then whenever the abort occurs, you'll have a core file, which can be loaded into GDB and the backtrace investigated.
Something like this:

$ gdb /path/to/command command.core
(gdb) where

My $.02,

Anton Lavrentiev
Contractor NIH/NLM/NCBI


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