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Date: Sat, 31 Jan 2015 18:34:10 -0500
From: Ken Brown <kbrown AT cornell DOT edu>
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To: cygwin AT cygwin DOT com
Subject: Re: HEADSUP to Emacs users (emacs X11 crash)
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On 1/31/2015 3:22 PM, Gulliver Smith wrote:
> (reference https://cygwin.com/ml/cygwin/2014-10/msg00198.html)
>
> I just wanted to report that I reported this problem on another
> thread, but just found this one. I continue to experience the bug.
>
> I have just installed 64 bit cygwin with emacs X11 in a new Windows 64
> bit virtual machine. The X Server is Cywin X11 in a 64 bit cygwin
> install.
>
> Any attempt to run emacs X11 results in
>
>   > Fatal error 12: Bad system callBad system call (core dumped)
>
> I have used the stack size suggestion to make it unreasoably large
> (310378496 (0x12800000) bytes) to no effect.
>
> Hope this gets solved soon

The crashes that were discussed in this thread were due to a bug in Cygwin's 
signal handling (64-bit only), and this was fixed several months ago.

My recollection from your earlier messages is that you had a somewhat unusual 
situation that I didn't quite understand, and you didn't reply when I asked for 
a detailed explanation.

If your situation involves X11 forwarding, you should make sure that you have 
the cygserver service running.  If that doesn't help, please start from scratch 
and make a complete, detailed bug report, with step-by-step instructions for 
reproducing your problem.

Ken

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