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Re: segmentation fault in allocate_string

From: Kim F. Storm
Subject: Re: segmentation fault in allocate_string
Date: Tue, 12 Oct 2004 11:39:27 +0200
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/21.3.50 (gnu/linux)

Klaus Zeitler <address@hidden> writes:

> Symptoms:
> CVS emacs (from 10/11/04) crashed with a segmentation fault.
> Here's what gdb says about the core:

> (gdb) bt
> #0  allocate_string () at /vol/freeware/cvs/emacs/head/emacs/src/alloc.c:1584

> (gdb) p s
> $1 = (struct Lisp_String *) 0xc8

I saw a similar crash a few days ago with exactly the same value 0xc8.

It happened on startup (emacs -q) while loading an icon for the tool-bar.

I debugged it for a while, but I couldn't see where that value came from.
Only one gc_sweep had been performed at that time.

Unfortunately, I tried to copy the whole gdb buffer (600kb) which
caused an X error (timeout or something) related to the clipboard.
So I had to kill the emacs which ran the gdb of the other emacs. Sigh!

Restarting the exact same emacs didn't reproduce the error.  :-(

Kim F. Storm  http://www.cua.dk

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