GNU bug report logs - #17526
24.3.90; Crash in Cygwin-w32 build

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From: Ken Brown <kbrown <at> cornell.edu>
To: Daniel Colascione <dancol <at> dancol.org>, Eli Zaretskii <eliz <at> gnu.org>
Cc: 17526 <at> debbugs.gnu.org
Subject: bug#17526: 24.3.90; Crash in Cygwin-w32 build
Date: Mon, 19 May 2014 21:49:17 -0400

On 5/19/2014 5:47 PM, Daniel Colascione wrote:
> On 05/19/2014 02:45 PM, Ken Brown wrote:
>> On 5/19/2014 5:00 PM, Daniel Colascione wrote:
>>> On 05/19/2014 12:39 PM, Eli Zaretskii wrote:
>>>>> Date: Mon, 19 May 2014 15:19:24 -0400
>>>>> From: Ken Brown <kbrown <at> cornell.edu>
>>>>> CC: 17526 <at> debbugs.gnu.org
>>>>>
>>>>> On 5/19/2014 11:18 AM, Eli Zaretskii wrote:
>>>>>>> Date: Mon, 19 May 2014 08:30:49 -0400
>>>>>>> From: Ken Brown <kbrown <at> cornell.edu>
>>>>>>>
>>>>>>> I just got a crash with the following backtrace:
>>>
>>> There goes my BLODA theory (assuming you don't have any). These crashes
>>> (including the indirect-variable one) are all seemingly impossible, but
>>> if there were generalized random memory corruption, I'd expect to see
>>> more severe effects. I have no idea what's wrong. Both trunk and
>>> emacs-24 seem to be affected: did something change in the Cygwin DLL
>>> side?
>>
>> Not that I know of.  By the way, all these crashes that are being
>> reported are in 64-bit Cygwin, FWIW.  So it may very well be a Cygwin
>> problem rather than an emacs problem.
>>
>> Do you have a 64-bit Cygwin installation on which you could try to
>> reproduce this?  The crashes are seemingly random.  I've occasionally
>> gotten a crash a few seconds after starting emacs, but other times I've
>> run emacs for days without a problem.  So you might have to wait a long
>> time.  Also, I don't always get a chance to attach gdb.  In other words,
>> emacs just dies with a SEGV, but apparently without calling emacs_abort.
>
> I don't, and it'll be at least a week or so before I'm able to set one
> up. Nobody's reported crashes in the X11 Emacs? What about cygw32 run
> with -nw?

No, all the recent crash reports have been for cygw32.  But I doubt if 
anyone has run it with -nw.  I'll try that myself.

Ken

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