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Date:	Mon, 30 Apr 2012 23:52:15 -0400
From:	Ryan Johnson <ryan DOT johnson AT cs DOT utoronto DOT ca>
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Subject:	Re: [ANNOUNCEMENT] Updated: {emacs,emacs-X11,emacs-el}-24.0.96-1 (TEST)
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On 30/04/2012 10:08 PM, Ken Brown wrote:
> On 4/30/2012 9:07 PM, Ryan Johnson wrote:
>> On 30/04/2012 8:48 PM, Ryan Johnson wrote:
>>> On 30/04/2012 4:08 PM, Ken Brown wrote:
>>>> Test releases of the emacs, emacs-X11, and emacs-el packages
>>>> (24.0.96-1) are now available. This is a pretest for the upcoming
>>>> release of emacs-24.1.
>>>>
>>>> Emacs users are encouraged to try it and report any problems to the
>>>> cygwin mailing list.
>>> I'm experiencing regular seg faults, often while using gdb but not
>>> always (switching between buffers is another big offender). I'm not
>>> sure what other information I can provide, other than the EIP=610CF707
>>> reported in the .stackdump file...
>> Caught one in gdb (no symbols, sadly):
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> [Switching to Thread 8128.0x3d0]
>> 0x0000010c in ?? ()
>> (gdb) bt
>> #0 0x0000010c in ?? ()
>> #1 0x0054b0ac in ?? ()
>> #2 0x004e4303 in ?? ()
>> #3 0x0054afbe in ?? ()
>> #4 0x004e4e96 in ?? ()
>> #5 0x004e5180 in ?? ()
>> #6 0x004dfbec in ?? ()
>> #7 0x610070d8 in _cygwin_exit_return () from /usr/bin/cygwin1.dll
>> #8 0x00000003 in ?? ()
>> #9 0x610050dd in _cygtls::call2(unsigned long (*)(void*, void*), void*,
>> void*)
>> () from /usr/bin/cygwin1.dll
>> Backtrace stopped: Not enough registers or memory available to unwind
>> further
>>
>> HTH... I'm reverting for now (I can re-install if you've got specific
>> ideas to try out)
>
> Thanks for testing.  I'll try to make debugging symbols available so 
> that you can get a better backtrace.  It might be a few days before I 
> get to it.
>
> Do you have a recipe that will reliably produce a segfault for you? 
> I've been using emacs-24 for months without any problems (as long as I 
> build without gsettings support, as I did for emacs-24.0.96-1).  But I 
> haven't tested gdb-mi for a while.
>
> You said you got segfaults even while not using gdb-mi.  But did you 
> get segfaults in an emacs session in which you didn't use gdb-mi at 
> all in the entire session?
Good point. I probably had used gdb-mi at some point during every 
session that crashed.

Ryan



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