From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Markus Hoenicka Newsgroups: gmane.emacs.bugs Subject: bug#17753: Cygwin emacs-X11 core dump Date: Thu, 09 Oct 2014 11:08:32 +0200 Message-ID: References: " <21431.6898.745604.392984@wombat.mininet>" <53B805C7.8030209@cornell.edu> <21435.4511.658539.666411@wombat.mininet> <53BD4A64.8000003@cornell.edu> <457212308be445a70279d3ece6e28207@mhoenicka.de> <993b66d09d7bfc46fc7433de63fde3be@mhoenicka.de> <83sijq362c.fsf@gnu.org> <5419A604.8060201@cornell.edu> <83fvfq2n40.fsf@gnu.org> <5433FF2D.3020600@cornell.edu> <83vbnvly2l.fsf@gnu.org> <02f02d94fb60ba0b677caf6939534c5e@mhoenicka.de> <83lhorlskg.fsf@gnu.org> <83iojtipuc.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1412845764 19855 80.91.229.3 (9 Oct 2014 09:09:24 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 9 Oct 2014 09:09:24 +0000 (UTC) Cc: 17753@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Oct 09 11:09:17 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Xc9in-0000oh-K7 for geb-bug-gnu-emacs@m.gmane.org; Thu, 09 Oct 2014 11:09:17 +0200 Original-Received: from localhost ([::1]:41174 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xc9ik-00005O-SS for geb-bug-gnu-emacs@m.gmane.org; Thu, 09 Oct 2014 05:09:14 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47306) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xc9id-000058-Ch for bug-gnu-emacs@gnu.org; Thu, 09 Oct 2014 05:09:12 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Xc9iY-00040Q-Ht for bug-gnu-emacs@gnu.org; Thu, 09 Oct 2014 05:09:07 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:46914) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xc9iY-00040M-FB for bug-gnu-emacs@gnu.org; Thu, 09 Oct 2014 05:09:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Xc9iX-0007eF-Tg for bug-gnu-emacs@gnu.org; Thu, 09 Oct 2014 05:09:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Markus Hoenicka Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 09 Oct 2014 09:09:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17753 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 17753-submit@debbugs.gnu.org id=B17753.141284571829357 (code B ref 17753); Thu, 09 Oct 2014 09:09:01 +0000 Original-Received: (at 17753) by debbugs.gnu.org; 9 Oct 2014 09:08:38 +0000 Original-Received: from localhost ([127.0.0.1]:38478 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Xc9i8-0007dQ-VG for submit@debbugs.gnu.org; Thu, 09 Oct 2014 05:08:37 -0400 Original-Received: from smtprelay04.ispgateway.de ([80.67.31.38]:55417) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Xc9i5-0007dE-Pa for 17753@debbugs.gnu.org; Thu, 09 Oct 2014 05:08:34 -0400 Original-Received: from [80.67.16.118] (helo=webmail.df.eu) by smtprelay04.ispgateway.de with esmtpa (Exim 4.84) (envelope-from ) id 1Xc9i4-0007AI-KE; Thu, 09 Oct 2014 11:08:32 +0200 In-Reply-To: <83iojtipuc.fsf@gnu.org> X-Sender: markus.hoenicka@mhoenicka.de User-Agent: Roundcube Webmail X-Df-Sender: bWFya3VzLmhvZW5pY2thQG1ob2VuaWNrYS5kZQ== X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:94328 Am 2014-10-09 10:56, schrieb Eli Zaretskii: >> Date: Thu, 09 Oct 2014 10:17:47 +0200 >> From: Markus Hoenicka >> Cc: kbrown@cornell.edu, 17753@debbugs.gnu.org >> >> This time with gdb's crash message. FWIW, I was hitting the backspace >> key to erase some characters from an XML document in a nXML buffer. >> >> Program received signal SIGSEGV, Segmentation fault. >> face_for_char (f=0x100f45c48 , >> face=face@entry=0x0, >> c=101, pos=17134, object=object@entry=4304695346) >> at /usr/src/debug/emacs-24.3.93-3/src/fontset.c:917 >> 917 return face->ascii_face->id; > > Why do you think it's the same problem? It looks very different to > me, judging by the backtrace. > I should have been more verbose in my message. I didn't mean to imply this is the same problem. The backtrace which I sent today is of a new crash different from the ones I was talking about yesterday (it's an all-time high btw. Three crashes within 24 h). And yes, the backtraces do look different even to the untrained eye. >> #0 0x00000001005a1673 in face_for_char (f=0x100f45c48 >> , face=face@entry=0x0, c=101, pos=17134, >> object=object@entry=4304695346) >> at /usr/src/debug/emacs-24.3.93-3/src/fontset.c:917 >> #1 0x0000000100428c1a in get_next_display_element >> (it=it@entry=0x425c30) >> at /usr/src/debug/emacs-24.3.93-3/src/xdisp.c:7139 > > What do the following GDB commands produce? > > (gdb) thread 1 > (gdb) frame 1 > (gdb) print it->what > (gdb) print it->face_id > (gdb) print FRAME_FACE_CACHE (it->f)->used > (gdb) print face (gdb) thread 1 [Switching to thread 1 (Thread 3788.0xb28)] #0 face_for_char (f=0x100f45c48 , face=face@entry=0x0, c=101, pos=17134, object=object@entry=4304695346) at /usr/src/debug/emacs-24.3.93-3/src/fontset.c:917 917 return face->ascii_face->id; (gdb) frame 1 #1 0x0000000100428c1a in get_next_display_element (it=it@entry=0x425c30) at /usr/src/debug/emacs-24.3.93-3/src/xdisp.c:7139 7139 it->face_id = FACE_FOR_CHAR (it->f, face, c, pos, it->string); (gdb) print it->what $1 = IT_CHARACTER (gdb) print it->face_id $2 = 11 (gdb) print FRAME_FACE_CACHE (it->f)->used No symbol "FRAME_FACE_CACHE" in current context. (gdb) print face $3 = (struct face *) 0x0 regards, Markus -- Markus Hoenicka http://www.mhoenicka.de AQ score 38