From: Eli Zaretskii <eliz@gnu.org>
To: Rainer M Krug <Rainer@krugs.de>
Cc: 21428@debbugs.gnu.org, mituharu+bug-gnu-emacs-mac@math.s.chiba-u.ac.jp
Subject: bug#21428: 24.5; Crash of emacs on OS X, installed via homebrew cask
Date: Mon, 28 Sep 2015 13:03:02 +0300 [thread overview]
Message-ID: <83bncmeu95.fsf@gnu.org> (raw)
In-Reply-To: <m2io6u28hu.fsf@krugs.de>
> From: Rainer M Krug <Rainer@krugs.de>
> Cc: 21428@debbugs.gnu.org, mituharu+bug-gnu-emacs-mac@math.s.chiba-u.ac.jp
> Date: Mon, 28 Sep 2015 11:33:49 +0200
>
> > First, I'd like to know whether the line of code marked below is ever
> > executed:
> >
> > static void
> > uncache_face (struct face_cache *c, struct face *face)
> > {
> > int i = face->hash % FACE_CACHE_BUCKETS_SIZE;
> >
> > if (face->prev)
> > face->prev->next = face->next;
> > else
> > c->buckets[i] = face->next;
> >
> > if (face->next)
> > face->next->prev = face->prev;
> >
> > c->faces_by_id[face->id] = NULL;
> > if (face->id == c->used)
> > --c->used; <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> > }
> >
> > This is from xfaces.c, line 4322 with the current Git master. Please
> > put a breakpoint there, and run Emacs under GDB until it crashes as
> > before, or until this breakpoint breaks. If it breaks, please show
> > the backtrace.
>
> OK - Emacs crashed again (same pattern) and the breakpoint was
> triggered:
>
> ,----
> | xdisp.c:24333: Emacs fatal error: assertion failed: face != NULL
You mean, the breakpoint did NOT trigger, right? Because I cannot see
any backtraces from the breakpoint in uncache_face. Did I miss
something?
> I am sure the crash occurs again, so please let me know what further
> info you need from the next crash.
If indeed the breakpoint in uncache_face never breaks, please proceed
to configuring Emacs with --enable-checking='yes,glyphs' and disabling
the redisplay optimizations, as I've described here:
> > If this breakpoint never breaks before another crash, please
> > reconfigure Emacs like this:
> >
> > CFLAGS="-ggdb3 -O0" CXXFLAGS="-ggdb3 -O0" LDFLAGS="-ggdb3" ./configure --enable-checking='yes,glyphs'
> >
> > then rebuild, and run it after setting these three variables to t:
> >
> > inhibit-try-cursor-movement
> > inhibit-try-window-id
> > inhibit-try-window-reusing
> >
> > This disables some redisplay optimizations, so you might see slow
> > redisplay; this is normal. What is important is to see whether the
> > crashes disappear when these variables are set to non-nil values. If
> > you run for a long time without crashes, then set these variables to
> > nil, one by one, in the order they are shown above, and each time let
> > Emacs run enough time for you to be sure the problem doesn't happen,
> > before you proceed to the next variable.
Thanks.
next prev parent reply other threads:[~2015-09-28 10:03 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-07 10:08 bug#21428: 24.5; Crash of emacs on OS X, installed via homebrew cask Rainer M Krug
2015-09-07 15:14 ` Eli Zaretskii
2015-09-07 17:46 ` Rainer M Krug
2015-09-08 18:16 ` Eli Zaretskii
2015-09-09 7:39 ` Rainer M Krug
2015-09-09 8:42 ` Rainer M Krug
2015-09-11 9:50 ` Rainer M Krug
2015-09-21 8:42 ` Rainer M Krug
2015-09-21 9:37 ` Eli Zaretskii
2015-09-21 10:00 ` Rainer M Krug
2015-09-21 10:19 ` Rainer M Krug
2015-09-21 10:25 ` Eli Zaretskii
2015-09-21 11:00 ` Eli Zaretskii
[not found] ` <m27fnkroj5.fsf@krugs.de>
[not found] ` <83y4g0m0js.fsf@gnu.org>
[not found] ` <m2y4g0q7fs.fsf@krugs.de>
2015-09-21 13:18 ` Eli Zaretskii
2015-09-21 13:27 ` Rainer M Krug
2015-09-21 13:35 ` Eli Zaretskii
2015-09-21 13:46 ` Rainer M Krug
2015-09-23 8:41 ` Rainer M Krug
2015-09-23 9:48 ` Eli Zaretskii
2015-09-23 10:00 ` Rainer M Krug
2015-09-24 13:22 ` Rainer M Krug
2015-09-24 16:29 ` Eli Zaretskii
2015-09-24 17:22 ` Rainer M Krug
2015-09-24 18:23 ` Eli Zaretskii
2015-09-24 18:37 ` Rainer M Krug
2015-09-24 18:55 ` Eli Zaretskii
2015-09-25 9:34 ` Rainer M Krug
2015-09-25 10:01 ` Eli Zaretskii
2015-09-25 10:46 ` Rainer M Krug
2015-09-25 12:30 ` Rainer M Krug
2015-09-25 14:39 ` Eli Zaretskii
2015-09-28 9:33 ` Rainer M Krug
2015-09-28 10:03 ` Eli Zaretskii [this message]
2015-09-28 11:12 ` Rainer M Krug
2015-09-28 11:27 ` Rainer M Krug
2015-09-28 12:00 ` Eli Zaretskii
2015-09-28 12:53 ` Rainer M Krug
2015-09-28 13:14 ` Eli Zaretskii
2015-09-28 15:39 ` Rainer M Krug
2015-09-28 16:30 ` Rainer M Krug
2015-09-28 16:42 ` Eli Zaretskii
2015-09-29 6:58 ` Rainer M Krug
2015-09-29 7:22 ` Eli Zaretskii
2015-09-29 8:01 ` Rainer M Krug
2015-09-29 8:30 ` Eli Zaretskii
2015-09-29 8:52 ` Rainer M Krug
2015-09-29 9:52 ` Eli Zaretskii
2015-09-29 10:17 ` Rainer M Krug
2015-09-29 10:50 ` Eli Zaretskii
2015-09-29 11:16 ` Rainer M Krug
2015-09-30 9:49 ` Rainer M Krug
2015-09-30 10:06 ` Eli Zaretskii
2015-09-30 10:36 ` Rainer M Krug
2015-09-30 18:49 ` Eli Zaretskii
2015-09-30 10:37 ` Rainer M Krug
2015-09-30 19:38 ` Eli Zaretskii
2015-10-01 7:29 ` Rainer M Krug
2015-10-01 8:21 ` Rainer M Krug
2015-10-01 9:36 ` Eli Zaretskii
2015-10-01 10:45 ` Rainer M Krug
2015-10-06 8:16 ` Rainer M Krug
2015-10-06 16:47 ` Eli Zaretskii
2015-10-07 8:13 ` Rainer M Krug
2015-10-07 15:36 ` Eli Zaretskii
2015-10-07 16:10 ` Rainer M Krug
[not found] ` <m2vba7dxds.fsf@krugs.de>
2015-10-16 18:12 ` Eli Zaretskii
2015-10-16 19:22 ` Rainer M Krug
2015-10-17 12:15 ` Eli Zaretskii
2015-10-22 14:28 ` Rainer M Krug
2015-10-22 15:43 ` Eli Zaretskii
2015-10-22 16:22 ` Rainer M Krug
2015-10-22 17:05 ` Eli Zaretskii
2015-10-22 17:32 ` martin rudalics
2015-10-22 17:40 ` Eli Zaretskii
2015-10-22 18:14 ` martin rudalics
2015-10-22 20:04 ` Anders Lindgren
2015-10-22 20:08 ` Eli Zaretskii
2015-10-23 9:51 ` Rainer M Krug
2015-10-23 10:44 ` Anders Lindgren
2015-10-23 11:03 ` Rainer M Krug
2015-10-23 9:52 ` Rainer M Krug
2015-10-23 8:02 ` martin rudalics
2015-10-23 18:01 ` martin rudalics
2015-10-23 9:49 ` Rainer M Krug
2015-10-23 18:01 ` martin rudalics
2015-10-23 9:45 ` Rainer M Krug
2015-10-23 18:01 ` martin rudalics
2015-10-23 9:41 ` Rainer M Krug
2015-10-25 19:04 ` Eli Zaretskii
2015-10-26 7:59 ` Rainer M Krug
2015-10-26 19:09 ` Eli Zaretskii
2015-10-27 11:50 ` Rainer M Krug
2015-09-28 11:58 ` Eli Zaretskii
2015-09-23 8:58 ` Rainer M Krug
2015-09-23 9:51 ` Eli Zaretskii
2015-09-08 23:24 ` Glenn Morris
2015-09-09 7:39 ` Rainer M Krug
2015-09-09 4:32 ` Xue Fuqiao
2015-09-09 7:38 ` Rainer M Krug
2015-09-09 14:47 ` bug#21428: possible additional case for #21428: Emacs 24.5.1 on OSX, installed via homebrew Jason May
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