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From: Eli Zaretskii <eliz@gnu.org>
To: sds@gnu.org
Cc: 12251@debbugs.gnu.org
Subject: bug#12251: 24.2.50; crash in note_mouse_highlight
Date: Tue, 21 Aug 2012 21:42:14 +0300	[thread overview]
Message-ID: <83fw7gaxyx.fsf@gnu.org> (raw)
In-Reply-To: <87obm4ayyn.fsf@gnu.org>

> From: Sam Steingold <sds@gnu.org>
> Date: Tue, 21 Aug 2012 14:20:48 -0400
> 
> In GNU Emacs 24.2.50.3 (x86_64-unknown-linux-gnu, X toolkit, Xaw3d scroll bars)
>  of 2012-08-20 on t520sds
> Bzr revision: 109703 rgm@gnu.org-20120820181303-1o7qqwvj2z4q4cuu
> Windowing system distributor `The X.Org Foundation', version 11.0.11103000
> Configured using:
>  `configure '--with-wide-int''
> 
> emacs just crashed for me:
> 
> Program received signal SIGSEGV, Segmentation fault.
> note_mouse_highlight (f=0x1175580, x=298, y=1012) at /home/sds/src/emacs/trunk/src/xdisp.c:27710
> 27710         && w->last_modified == BUF_MODIFF (b)

The problem is with b->text:

>  text = 0x0,

whereas BUF_MODIFF needs to dereference it:

  #define BUF_MODIFF(buf) ((buf)->text->modiff)

However, ...

> #8  0x00000000004f5da5 in cmd_error_internal (data=68832822, context=0x7fffffffcf30 "")
>     at /home/sds/src/emacs/trunk/src/keyboard.c:1147
> #9  0x00000000004f5f23 in cmd_error (data=68832822) at /home/sds/src/emacs/trunk/src/keyboard.c:1080

what error are we trying to process here?  What is 'data' in frame #8?





  reply	other threads:[~2012-08-21 18:42 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-21 18:20 bug#12251: 24.2.50; crash in note_mouse_highlight Sam Steingold
2012-08-21 18:42 ` Eli Zaretskii [this message]
2012-08-21 19:02   ` Sam Steingold
2012-08-21 19:22     ` Eli Zaretskii
2012-08-22  2:43       ` Sam Steingold
2012-08-22 17:09         ` Eli Zaretskii
2012-08-22 17:29           ` Sam Steingold
2012-08-22 21:12             ` Sam Steingold
2012-08-23  8:48           ` martin rudalics
2012-08-23 13:19             ` Sam Steingold
2012-08-23 17:18               ` martin rudalics
2012-08-24 20:33                 ` Sam Steingold
2012-08-25 13:40                   ` martin rudalics
2012-08-27 19:01                     ` Sam Steingold
2012-08-27 19:05                       ` Sam Steingold
2012-08-27 21:10                         ` martin rudalics
2012-08-28 16:35                         ` Sam Steingold
2012-08-28 17:05                           ` martin rudalics
2012-08-29  9:34                             ` martin rudalics
2012-08-29 14:42                               ` Sam Steingold
2012-08-30  8:03                                 ` martin rudalics
2012-08-30 11:02                                   ` Sam Steingold
2012-09-01  9:36                                     ` Eli Zaretskii
2012-09-05 19:56                                       ` Sam Steingold
2012-09-06  2:31                                         ` Sam Steingold
2012-09-06  3:13                                           ` Sam Steingold
2012-09-06  5:15                                           ` Werner LEMBERG
2012-09-06  5:04                                         ` Eli Zaretskii
2012-09-06  7:20                                         ` martin rudalics
2012-09-06  7:32                                           ` martin rudalics
2012-08-30 12:39                                   ` Sam Steingold
2012-08-30 12:49                                     ` martin rudalics
2012-09-01  9:40               ` Eli Zaretskii
2012-08-23 16:20             ` Eli Zaretskii
2012-08-23 17:19               ` martin rudalics
2012-08-23 18:43                 ` Eli Zaretskii
2012-08-24  9:44                   ` martin rudalics

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