From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andy Moreton Newsgroups: gmane.emacs.bugs Subject: bug#22526: 25.0.90; Crash starting gnus Date: Thu, 11 Feb 2016 21:20:06 +0000 Message-ID: <8637sz7xmh.fsf@gmail.com> References: <56AFD88B.5040904@gmail.com> <87pow9cc0c.fsf@gnus.org> <83h9hkse78.fsf@gnu.org> <864mdk44q6.fsf@gmail.com> <83mvrcqli1.fsf@gnu.org> <86twlg2e69.fsf@gmail.com> <8360xv9ems.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1455225689 1285 80.91.229.3 (11 Feb 2016 21:21:29 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 11 Feb 2016 21:21:29 +0000 (UTC) To: 22526@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Feb 11 22:21:17 2016 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 1aTyfs-00045N-9i for geb-bug-gnu-emacs@m.gmane.org; Thu, 11 Feb 2016 22:21:16 +0100 Original-Received: from localhost ([::1]:53675 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aTyfo-0006eU-2R for geb-bug-gnu-emacs@m.gmane.org; Thu, 11 Feb 2016 16:21:12 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50056) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aTyfj-0006eN-Qa for bug-gnu-emacs@gnu.org; Thu, 11 Feb 2016 16:21:09 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aTyfe-0003Gy-N8 for bug-gnu-emacs@gnu.org; Thu, 11 Feb 2016 16:21:07 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:56094) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aTyfe-0003Gm-Jv for bug-gnu-emacs@gnu.org; Thu, 11 Feb 2016 16:21:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aTyfe-00033C-Fr for bug-gnu-emacs@gnu.org; Thu, 11 Feb 2016 16:21:02 -0500 X-Loop: help-debbugs@gnu.org In-Reply-To: <56AFD88B.5040904@gmail.com> Resent-From: Andy Moreton Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 11 Feb 2016 21:21:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22526 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.145522564311692 (code B ref -1); Thu, 11 Feb 2016 21:21:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 11 Feb 2016 21:20:43 +0000 Original-Received: from localhost ([127.0.0.1]:37002 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aTyfL-00032W-B6 for submit@debbugs.gnu.org; Thu, 11 Feb 2016 16:20:43 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:58877) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aTyfK-00032K-2S for submit@debbugs.gnu.org; Thu, 11 Feb 2016 16:20:42 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aTyfE-0002uV-2Y for submit@debbugs.gnu.org; Thu, 11 Feb 2016 16:20:36 -0500 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:56212) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aTyfD-0002uQ-Jg for submit@debbugs.gnu.org; Thu, 11 Feb 2016 16:20:35 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49841) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aTyfC-0006aC-Mz for bug-gnu-emacs@gnu.org; Thu, 11 Feb 2016 16:20:35 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aTyf7-0002ti-HK for bug-gnu-emacs@gnu.org; Thu, 11 Feb 2016 16:20:34 -0500 Original-Received: from plane.gmane.org ([80.91.229.3]:49120) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aTyf7-0002tP-AS for bug-gnu-emacs@gnu.org; Thu, 11 Feb 2016 16:20:29 -0500 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1aTyf4-0003VP-LG for bug-gnu-emacs@gnu.org; Thu, 11 Feb 2016 22:20:26 +0100 Original-Received: from 82-69-64-228.dsl.in-addr.zen.co.uk ([82.69.64.228]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 11 Feb 2016 22:20:26 +0100 Original-Received: from andrewjmoreton by 82-69-64-228.dsl.in-addr.zen.co.uk with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 11 Feb 2016 22:20:26 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 29 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 82-69-64-228.dsl.in-addr.zen.co.uk User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.90 (windows-nt) Cancel-Lock: sha1:YK+Ps7q2MSAovvpduX/3cnhSDeg= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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:112905 Archived-At: On Thu 11 Feb 2016, Eli Zaretskii wrote: >> From: Andy Moreton >> Date: Thu, 11 Feb 2016 02:06:54 +0000 >> >> Hopefully this is of some use. > > It is, thanks. The plot thickens... This is one of those cases where > I'd give anything for a way to trace execution in reverse and see what > happened before the problem... > > Anyway, is that GDB session still running? Sadly not. > Btw, it sounds like it should be easy to reproduce this almost at > will, since the two backtraces are almost identical -- they both show > the same insertion of a 4096 byte string into a buffer by the default > process filter that reads stuff received from the news server. Could > you perhaps try coming up with such a reproducer, starting from > "emacs -Q"? That would make the debugging much more efficient. If it was easy to reproduce then it ought to be easier with gnus (assuming the same initial file contents), but it happens only rarely. I think this crash may have involved gnus restoring auto-save data after a prior emacs session had been killed. AndyM