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#11717: 24.1.50; Segmentation fault in Fdelete_other_windows_internal when running Gnus unit tests Date: Fri, 15 Jun 2012 21:29:49 +0300 Message-ID: <83bokkfmxu.fsf@gnu.org> References: <87ehpg8mxz.fsf@engster.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: dough.gmane.org 1339785029 23489 80.91.229.3 (15 Jun 2012 18:30:29 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Fri, 15 Jun 2012 18:30:29 +0000 (UTC) Cc: 11717@debbugs.gnu.org To: David Engster Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Jun 15 20:30:24 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 1SfbHe-0004GF-S6 for geb-bug-gnu-emacs@m.gmane.org; Fri, 15 Jun 2012 20:30:10 +0200 Original-Received: from localhost ([::1]:51539 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SfbHe-00070k-Qf for geb-bug-gnu-emacs@m.gmane.org; Fri, 15 Jun 2012 14:30:10 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:36870) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SfbHc-0006zX-4i for bug-gnu-emacs@gnu.org; Fri, 15 Jun 2012 14:30:09 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SfbHW-0001dJ-Bh for bug-gnu-emacs@gnu.org; Fri, 15 Jun 2012 14:30:07 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:34706) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SfbHW-0001cT-6H for bug-gnu-emacs@gnu.org; Fri, 15 Jun 2012 14:30:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1SfbKP-0002rr-Pk for bug-gnu-emacs@gnu.org; Fri, 15 Jun 2012 14:33:01 -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: Fri, 15 Jun 2012 18:33:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 11717 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 11717-submit@debbugs.gnu.org id=B11717.133978517711013 (code B ref 11717); Fri, 15 Jun 2012 18:33:01 +0000 Original-Received: (at 11717) by debbugs.gnu.org; 15 Jun 2012 18:32:57 +0000 Original-Received: from localhost ([127.0.0.1]:44252 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SfbKJ-0002rY-KM for submit@debbugs.gnu.org; Fri, 15 Jun 2012 14:32:57 -0400 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:48041) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SfbKE-0002rN-Ec for 11717@debbugs.gnu.org; Fri, 15 Jun 2012 14:32:54 -0400 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0M5O004008H5PT00@a-mtaout22.012.net.il> for 11717@debbugs.gnu.org; Fri, 15 Jun 2012 21:29:49 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.210.75]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0M5O004QQ8PMAR90@a-mtaout22.012.net.il>; Fri, 15 Jun 2012 21:29:47 +0300 (IDT) In-reply-to: <87ehpg8mxz.fsf@engster.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:61016 Archived-At: > From: David Engster > Date: Fri, 15 Jun 2012 20:11:36 +0200 > > The recipe to reproduce this bug involves running the Gnus unit tests > from its git repository. I can narrow it down further if needed, but I'm > hoping that the backtraces are enough to fix this problem. Please note > that this problem also affects the current 24.1 stable release, but I > used latest Emacs from bzr for acquiring the gdb backtraces. > > Recipe: > > * Get Gnus from git: git clone http://git.gnus.org/gnus.git > > * Do: ./configure, make, make check > > * You'll see something like the following (the tests run completely in > batch mode!): > > ---------- snip > ***** Using /tmp/gnus-test-22112bP3 as temporary Gnus home. > ***** Firing up Gnus; connecting to Gmane. > [... further output snipped ...] > ***** Reading active from gmane.discuss. > Changed level of gmane.discuss from 3 to 1 > Fatal error (11)zsh: segmentation fault /opt/emacs-debug/bin/emacs -batch -q -no-site-file -l ./dgnushack.el -l ert - > ---------- snip > > * The unit test where this is crashing is the NNTP test, which can be > seen in lisp/tests/gnustest-nntp.el. You can browse it here: > > http://git.gnus.org/cgit/gnus.git/tree/lisp/tests/gnustest-nntp.el?id=aff68f906d8726a6a29edad4a20f253f8bcdf644 > > The crash happens when this test code calls > > (gnus-group-select-group 5) > > > Further information: > > * Emacs was built using gcc 4.7 and the following options: > > CFLAGS="-g -O0" ./configure --enable-asserts --without-gconf --without-gsettings --without-dbus --prefix=/opt/emacs-debug > > * Backtraces from gdb: > > Program received signal SIGSEGV, Segmentation fault. > 0x080b9d2e in Fdelete_other_windows_internal (window=139160437, root=139572509) at window.c:2650 > 2650 hlinfo = MOUSE_HL_INFO (f); > > #0 0x080b9d2e in Fdelete_other_windows_internal (window=139160437, root=139572509) at window.c:2650 This is a duplicate of 11677. I asked there to find out which parts of MOUSE_HL_INFO cause the segfault, and also perhaps provide a simpler test case. Can you do that? TIA