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Date: Fri, 17 Oct 2014 09:53:31 -0400
From: Ken Brown <kbrown AT cornell DOT edu>
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To: cygwin AT cygwin DOT com
Subject: Re: [ANNOUNCEMENT] Updated: emacs-24.3.93-3 [TEST]
References: <announce DOT 54146F07 DOT 1000103 AT cornell DOT edu> <54402903 DOT 1060906 AT dronecode DOT org DOT uk> <54406ED0 DOT 9060502 AT cornell DOT edu>
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On 10/16/2014 9:20 PM, Ken Brown wrote:
> On 10/16/2014 4:22 PM, Jon TURNEY wrote:
>> I have been suffering from some crashes with emacs-X11 24.3.93-3 on
>> x86_64
>>
>> This seems to have crossed my threshold of apathy, so I've been running
>> emacs under gdb with a breakpoint on emacs_abort (since it seems to die
>> with SIGABORT which can't be usefully backtraced...)
>>
>> I get a backtrace starting as follows (full backtrace is attached):
> [...]
>
> The first thing that strikes me is the Lisp backtrace, which is almost
> 300 lines long and keeps repeating the same calls:
>
> "redisplay_internal (C function)" (0x93baf8)
> "redisplay" (0x8100b8)
> "sit-for" (0x8102f0)
> "minimap-update" (0x810668)
> "apply" (0x810660)
> "byte-code" (0x8107d0)
> "timer-event-handler" (0x810b78)
> "input-pending-p" (0x810e68)
> "sit-for" (0x8110a0)
> "minimap-update" (0x811418)
> [...]
> "input-pending-p" (0x8391b8)
> "sit-for" (0x8393f0)
> "minimap-update" (0x839768)
> "apply" (0x839760)
> "byte-code" (0x8398d0)
> "timer-event-handler" (0x839c78)
>
> Is it possible that minimap-update has gone into an infinite recursion?
>   Or is this kind of lisp backtrace normal for you (e.g., if you stop
> emacs and examine the backtrace at random times)?  I'm afraid I don't
> know anything about minimap, but the first thing I'd do is try to figure
> out what's going on with minimap-update.

If this turns out not to be the issue, then I think you would need an 
unoptimized build for further debugging.  I can provide one for you.

Ken


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