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bug#15088: 24.3; Hard crash on OSX when editing header files
From: |
Simon Stapleton |
Subject: |
bug#15088: 24.3; Hard crash on OSX when editing header files |
Date: |
Wed, 14 Aug 2013 20:23:35 +0200 |
Hi Jan
Nope, nothing at all. So I started trying to track down what was causing the
issue. Starting from a virgin .emacs.d/ and .emacs, started re-adding packages
to find out which one actually breaks things.
And, wouldn't you know it, I'm pretty much back to where I was before, and it
no longer happens. The only thing I haven't reinstalled thus far is quack,
which appears to no longer be in elpa/melpa, and shouldn't be touching C-mode
files anyway.
This confuses me no end, as I'd started from a virgin .emacs / emacs.d when I
moved to 24.3, and re-zapped them a few times trying to get rid of this very
problem.
I can drop a zip/tarball of my old .emacs stuff if it would help anyone
figuring out what's going on.
On 13 Aug 2013, at 22:29, Jan Djärv <jan.h.d@swipnet.se> wrote:
> Hello.
>
> 13 aug 2013 kl. 20:58 skrev Simon Stapleton <simon.stapleton@gmail.com>:
>
>> Okay, quick rebuild and I can now get a full backtrace. xbacktrace still
>> fails, but it's failing because (I assume) it's had its stack smashed
>>
>>> No symbol "ARRAY_MARK_FLAG" in current context.
>>
>> ARRAY_MARK_FLAG looks a lot like a garbage collection bug being tickled,
>> double release going on somewhere maybe?
>>
>> The source of the issue is almost certainly to do with pabbrev - commenting
>> it out in my .emacs makes everything work.
>
> A lisp package should not be able to crash Emacs. You can try to set these
> in your environment before starting Emacs from the command line:
>
> export NSZombieEnabled=YES
> export MallocGuardEdges=1
> export MallocScribble=1
> export MallocErrorAbort=1
> export MallocCorruptionAbort=1
> export MallocCheckHeapStart=1000
>
> Emacs will run very slowly, but hopefully it will print something useful if
> it is a memory issue.
>
> Jan D.
>
>