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bug#15686: 24.3.50; Face related crash in current trunk
From: |
Eli Zaretskii |
Subject: |
bug#15686: 24.3.50; Face related crash in current trunk |
Date: |
Wed, 23 Oct 2013 20:49:55 +0300 |
> Date: Wed, 23 Oct 2013 18:54:00 +0200
> From: martin rudalics <rudalics@gmx.at>
> CC: 15686@debbugs.gnu.org
>
> >> >> #0 terminate_due_to_signal (sig=22, backtrace_limit=2147483647) at
> emacs.c:350
> >> >> #1 0x01151496 in die (msg=0x146e018 "((((struct vectorlike_header *)
> ((void *) ((font_object) - (Lisp_Vectorlike)))) ->size) & (PSEUDOVECTOR_FLAG
> | PVEC_TYPE_MASK)) == (PSEUDOVECTOR_FLAG | (PVEC_FONT <<
> PSEUDOVECTOR_AREA_BITS))", file=0x146d0b0 "xfaces.c", line=5261) at
> alloc.c:6670
> >> >> #2 0x010d7ab0 in realize_default_face (f=0x3c2f770) at xfaces.c:5261
> >> >
> >> > What kind of object is font_object in frame #2?
> >>
> >> What can I do to find out?
> >
> > As with any Lisp object:
> >
> > (gdb) p font_object
> > (gdb) xtype
>
> But when (or where) do I do that?
Where -- in the frame where the variable is defined, in this case
frame #2 (as I mentioned above). When -- when the program crashes, or
(if you succeed to somehow get to the same place in the code before it
crashes) before realize_default_face does whatever it does in line
5261 that causes the assertion violation.
bug#15686: 24.3.50; Face related crash in current trunk, martin rudalics, 2013/10/24