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#12745: crash in bidi_pop_it during (idle) redisplay Date: Mon, 29 Oct 2012 20:55:48 +0200 Message-ID: <83625t85vv.fsf@gnu.org> References: <508CA6FC.4070203@cs.ucla.edu> <508CE3B0.2030809@cs.ucla.edu> <83lieq8q91.fsf@gnu.org> <83fw4y8jgd.fsf@gnu.org> <838vap8aq8.fsf@gnu.org> <837gq987yv.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1351537008 20994 80.91.229.3 (29 Oct 2012 18:56:48 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 29 Oct 2012 18:56:48 +0000 (UTC) Cc: 12745@debbugs.gnu.org To: Ami Fischman Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Oct 29 19:56:53 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 1TSuW2-0006IN-SP for geb-bug-gnu-emacs@m.gmane.org; Mon, 29 Oct 2012 19:56:50 +0100 Original-Received: from localhost ([::1]:51468 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSuVu-00040J-HT for geb-bug-gnu-emacs@m.gmane.org; Mon, 29 Oct 2012 14:56:42 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:43427) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSuVo-0003yt-F5 for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 14:56:40 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TSuVn-0003YS-0V for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 14:56:36 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:56501) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSuVm-0003YM-Tc for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 14:56:34 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1TSuY9-0001te-Ls for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 14:59:01 -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: Mon, 29 Oct 2012 18:59:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 12745 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 12745-submit@debbugs.gnu.org id=B12745.13515371007243 (code B ref 12745); Mon, 29 Oct 2012 18:59:01 +0000 Original-Received: (at 12745) by debbugs.gnu.org; 29 Oct 2012 18:58:20 +0000 Original-Received: from localhost ([127.0.0.1]:38519 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TSuXT-0001sl-Kz for submit@debbugs.gnu.org; Mon, 29 Oct 2012 14:58:19 -0400 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:40624) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TSuXP-0001sb-Tr for 12745@debbugs.gnu.org; Mon, 29 Oct 2012 14:58:18 -0400 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0MCO00B004JZAW00@a-mtaout22.012.net.il> for 12745@debbugs.gnu.org; Mon, 29 Oct 2012 20:55:37 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MCO00AHB4KPYW60@a-mtaout22.012.net.il>; Mon, 29 Oct 2012 20:55:37 +0200 (IST) In-reply-to: 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:66206 Archived-At: > Date: Mon, 29 Oct 2012 11:29:28 -0700 > From: Ami Fischman > Cc: 12745@debbugs.gnu.org > > I'm groping in the dark, but AFAICT it's a null str? No, it looks like a string with a blank character. > (gdb) p/x (it->glyph_row->glyphs[1][20].object) > $39 = 0x61334f1 > (gdb) p *(it->glyph_row->glyphs[1][20].object) > $40 = 0 To be sure, try this: (gdb) p it->glyph_row->glyphs[1][20].object (gdb) xtype If I'm right, it should tell that the object is a Lisp string, and you can then display it like you did with the name of the buffer. > The only guess I have is that I had entered a trailing space after that > comma, which would highlight it as trailing whitespace because of this > snippet from my .emacs: > (highlight-regexp "[ \t]+$" 'hi-blue) > using hi-lock-mode. Probably. But then why isn't there a "face=" part there? hi-blue is not the default face, is it?