From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Vladimir Alexiev" Newsgroups: gmane.emacs.bugs,gmane.emacs.orgmode Subject: bug#17749: 24.3.91; Crash on mwheel-scroll of org file Date: Tue, 5 Aug 2014 11:10:16 +0300 Organization: Ontotext Corp Message-ID: <27983.2907872789$1407226286@news.gmane.org> References: <"018001cf84c5$6252a1c0$26f7e540$@alexiev"@ontotext.com> <8361k81wha.fsf@gnu.org> Reply-To: vladimir.alexiev@ontotext.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1407226286 3807 80.91.229.3 (5 Aug 2014 08:11:26 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 5 Aug 2014 08:11:26 +0000 (UTC) Cc: 17749@debbugs.gnu.org, emacs-orgmode@gnu.org To: "'Eli Zaretskii'" , Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Aug 05 10:11:21 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 1XEZq2-0004JD-Lg for geb-bug-gnu-emacs@m.gmane.org; Tue, 05 Aug 2014 10:11:18 +0200 Original-Received: from localhost ([::1]:57604 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XEZq2-0001vY-2u for geb-bug-gnu-emacs@m.gmane.org; Tue, 05 Aug 2014 04:11:18 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55816) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XEZpt-0001nn-JX for bug-gnu-emacs@gnu.org; Tue, 05 Aug 2014 04:11:14 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XEZpn-0000zK-FN for bug-gnu-emacs@gnu.org; Tue, 05 Aug 2014 04:11:09 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:51271) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XEZpn-0000zD-CW for bug-gnu-emacs@gnu.org; Tue, 05 Aug 2014 04:11:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XEZpm-00076U-Kw for bug-gnu-emacs@gnu.org; Tue, 05 Aug 2014 04:11:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: "Vladimir Alexiev" Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 05 Aug 2014 08:11:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17749 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 17749-submit@debbugs.gnu.org id=B17749.140722622427260 (code B ref 17749); Tue, 05 Aug 2014 08:11:02 +0000 Original-Received: (at 17749) by debbugs.gnu.org; 5 Aug 2014 08:10:24 +0000 Original-Received: from localhost ([127.0.0.1]:58214 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XEZp9-00075c-EG for submit@debbugs.gnu.org; Tue, 05 Aug 2014 04:10:23 -0400 Original-Received: from mail.ontotext.com ([93.123.21.89]:53988 helo=ontomail.ontotext.com) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XEZp6-00075R-Fl for 17749@debbugs.gnu.org; Tue, 05 Aug 2014 04:10:21 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by ontomail.ontotext.com (Postfix) with ESMTP id EBE112EF9E; Tue, 5 Aug 2014 11:10:18 +0300 (EEST) X-Virus-Scanned: Debian amavisd-new at ontomail.ontotext.com Original-Received: from ontomail.ontotext.com ([127.0.0.1]) by localhost (localhost [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id eFR2r8KMgejf; Tue, 5 Aug 2014 11:10:16 +0300 (EEST) Original-Received: from vladoa (client-93-123-21-124.ip.daticum.com [93.123.21.124]) by ontomail.ontotext.com (Postfix) with ESMTPSA id 9A6562EF98; Tue, 5 Aug 2014 11:10:16 +0300 (EEST) In-Reply-To: <8361k81wha.fsf@gnu.org> X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Ac+E1Q22opj2rO+GSK+MS6HxLTODVQrppxUg Content-Language: en-us 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:92116 gmane.emacs.orgmode:89453 Archived-At: > > 1. Open emacs-crash-test.org > > 2. Make the window smaller (e.g. 20 lines tall) > > 2. Roll the mouse wheel down until you see the end of file, then up. > > 3. CRASH The specific org file doesn't matter. The window size doesn't matter. This crash happens to me occasionally (2-3 times a week), always on an org file, always on mwheel-up (which invokes mwheel-scroll). Eli, can you tell something from the backtrace here? http://lists.gnu.org/archive/html/emacs-orgmode/2014-06/txtkIBvnmHi_F.txt The critical lines are: die at C:\msys\home\Dani\emacs\build\src/../../emacs-24.3.91/src/alloc.c:6826 pop_it at C:\msys\home\Dani\emacs\build\src/../../emacs-24.3.91/src/xdisp.c:6060 set_iterator_to_next at C:\msys\home\Dani\emacs\build\src/../../emacs-24.3.91/src/xdisp.c:7523 move_it_in_display_line_to at C:\msys\home\Dani\emacs\build\src/../../emacs-24.3.91/src/xdisp.c:8838 > > ../../emacs-24.3.91/src/xdisp.c:6066: Emacs fatal error: assertion failed: (BUFFERP (it->object) && IT_CHARPOS (*it) == it- > >bidi_it.charpos && IT_BYTEPOS (*it) == it->bidi_it.bytepos) || (STRINGP (it->object) && IT_STRING_CHARPOS (*it) == it- > >bidi_it.charpos && IT_STRING_BYTEPOS (*it) == it->bidi_it.bytepos) || (CONSP (it->object) && it->method == > GET_FROM_STRETCH) The code can be seen here: https://github.com/mirrors/emacs/blob/master/src/xdisp.c#L6127 > This is an assertion violation, not a crash. The failing assertion causes a crash, so I'm not sure what's the difference. Is there an emacs build that doesn't crash on eassert() failure? > Some assumption in the > code turned out to be false, but it is not possible to know which one, > and whether it's just a wrong assumption or a real problem. It seems the assertion does basic consistency checks of the IT structure. What is it->bidi_p? I don't use BIDI text: this happens on ascii org files. I guess I'll upgrade Emacs and Org and hope for the best...