From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#12251: 24.2.50; crash in note_mouse_highlight Date: Tue, 21 Aug 2012 21:42:14 +0300 Message-ID: <83fw7gaxyx.fsf@gnu.org> References: <87obm4ayyn.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1345574569 25590 80.91.229.3 (21 Aug 2012 18:42:49 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 21 Aug 2012 18:42:49 +0000 (UTC) Cc: 12251@debbugs.gnu.org To: sds@gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Aug 21 20:42:48 2012 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 1T3tPc-0001bM-6F for geb-bug-gnu-emacs@m.gmane.org; Tue, 21 Aug 2012 20:42:48 +0200 Original-Received: from localhost ([::1]:48131 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T3tPa-000581-Qe for geb-bug-gnu-emacs@m.gmane.org; Tue, 21 Aug 2012 14:42:46 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:45083) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T3tPX-00057K-D6 for bug-gnu-emacs@gnu.org; Tue, 21 Aug 2012 14:42:44 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1T3tPW-0007HO-11 for bug-gnu-emacs@gnu.org; Tue, 21 Aug 2012 14:42:43 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:60593) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T3tPV-0007HI-Tb for bug-gnu-emacs@gnu.org; Tue, 21 Aug 2012 14:42:41 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1T3tPp-00010p-N1 for bug-gnu-emacs@gnu.org; Tue, 21 Aug 2012 14:43:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 21 Aug 2012 18:43:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 12251 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 12251-submit@debbugs.gnu.org id=B12251.13455745563860 (code B ref 12251); Tue, 21 Aug 2012 18:43:01 +0000 Original-Received: (at 12251) by debbugs.gnu.org; 21 Aug 2012 18:42:36 +0000 Original-Received: from localhost ([127.0.0.1]:41906 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1T3tPP-00010D-KU for submit@debbugs.gnu.org; Tue, 21 Aug 2012 14:42:35 -0400 Original-Received: from mtaout21.012.net.il ([80.179.55.169]:51578) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1T3tPL-000102-QC for 12251@debbugs.gnu.org; Tue, 21 Aug 2012 14:42:33 -0400 Original-Received: from conversion-daemon.a-mtaout21.012.net.il by a-mtaout21.012.net.il (HyperSendmail v2007.08) id <0M9400D00BS6QM00@a-mtaout21.012.net.il> for 12251@debbugs.gnu.org; Tue, 21 Aug 2012 21:42:09 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout21.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0M9400D3QBY9NR30@a-mtaout21.012.net.il>; Tue, 21 Aug 2012 21:42:09 +0300 (IDT) In-reply-to: <87obm4ayyn.fsf@gnu.org> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) 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:63349 Archived-At: > From: Sam Steingold > 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?