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Re: address@hidden: BUG REPORT: Emacs is aborting sporadically by itself

From: Jan D.
Subject: Re: address@hidden: BUG REPORT: Emacs is aborting sporadically by itself]
Date: Fri, 21 Mar 2003 19:39:01 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.3b) Gecko/20030210

Richard Stallman wrote:
Can anyone help him investigate this crash?  Maybe talk with him
by phone and tell him what to type.

------- Start of forwarded message -------
X-Authentication-Warning: tukki.cc.jyu.fi: jaa owned process doing -bs
Date: Mon, 3 Mar 2003 16:06:43 +0200 (EET)
From: Jani Averbach <address@hidden>
To: <address@hidden>
X-Virus-Scanned: by amavisd-milter (http://amavis.org/)
Subject: BUG REPORT: Emacs is aborting sporadically by itself
Sender: address@hidden

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

When I was editing files (LaTeX sources, with global-font-lock t)
emacs is aborting sporadically by itself. Size of the file is about 25k.

I can't not describe any pattern for that aborting, it would happen during
editing, or when I am away from keyboard.

(gdb) bt
#0  0x405f00b1 in __kill () at __kill:-1
#1  0x0810ccd1 in fatal_error_signal (sig=18550) at 
#2  <signal handler called>
#3  0x405f00b1 in __kill () at __kill:-1
#4  0x0810cd26 in abort () at /data/a/users/jaa/sw/emacs/src/emacs.c:412
#5  0x08158890 in mark_object (argptr=0x0) at 
#6  0x081598ce in mark_maybe_object (obj=1486446028) at 
#7  0x081574c5 in mark_memory (start=0xbfffec00, end=0xbffff84c) at 
#8  0x0815751b in mark_stack () at /data/a/users/jaa/sw/emacs/src/alloc.c:3820
#9  0x08157a7b in Fgarbage_collect () at 
#10 0x0816c7ae in Ffuncall (nargs=4, args=0xbfffedc0) at 
#11 0x0816c3e8 in call3 (fn=407725308, arg1=405971540, arg2=405971852, 
arg3=949359756) at /data/a/users/jaa/sw/emacs/src/eval.c:2581
#12 0x0810199f in x_get_local_selection (selection_symbol=405971540, 
target_type=405971852, local_request=0)
    at /data/a/users/jaa/sw/emacs/src/xselect.c:429

This and the other stack trace he sent shows a crash inside x_get_local_selection. That function, and x_handle_selection_request where it is called from, has local Lisp_object:s but no GCPRO. Isn't that needed? I am not sure.

Just a thought.

        Jan D.

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