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bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421
From: |
Eli Zaretskii |
Subject: |
bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421 |
Date: |
Tue, 06 Nov 2012 21:08:55 +0200 |
> From: Tassilo Horn <tsdh@gnu.org>
> Cc: 12814@debbugs.gnu.org
> Date: Tue, 06 Nov 2012 19:27:46 +0100
>
> Tassilo Horn <tsdh@gnu.org> writes:
>
> >>> 3421 if (WINDOWP (obj))
> >>
> >> What is 'obj' here? Why does it cause a segfault?
> >
> > I'll tell you the next time the crash occurs. Shouldn't take too
> > long.
>
> Um, it's an integer (which is also visible in the other backtraces).
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x0000000000543714 in event_to_kboard (event=0xbd2ba0 <kbd_buffer+98112>)
> at keyboard.c:3421
> 3421 if (WINDOWP (obj))
> (gdb) p obj
> $1 = 1666821
All Lisp objects look like integers, but aren't. What does "xtype"
say about it? Like this:
(gdb) p obj
(gdb) xtype
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Eli Zaretskii, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421,
Eli Zaretskii <=
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Eli Zaretskii, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Paul Eggert, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Paul Eggert, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Eli Zaretskii, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/07
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Eli Zaretskii, 2012/11/07
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/07