From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Welsh Duggan Newsgroups: gmane.emacs.bugs Subject: bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs Date: Tue, 23 Mar 2021 11:53:52 -0400 Message-ID: References: <87im5ofp3z.fsf@md5i.com> <83tup8fo1j.fsf@gnu.org> <87wnu4qvfi.fsf@md5i.com> <83sg4sfm1w.fsf@gnu.org> <83pmzwfgng.fsf@gnu.org> <83im5off16.fsf@gnu.org> <83h7l8fdfa.fsf@gnu.org> <871rccgqyz.fsf@igel.home> <83eegcfbrh.fsf@gnu.org> <8735wrrjx7.fsf@md5i.com> <83a6qzfxmc.fsf@gnu.org> <87sg4rclim.fsf@md5i.com> <83k0q3dzj7.fsf@gnu.org> <83czvvdw7o.fsf@gnu.org> <14e14f28-7ece-cd98-5e49-d4583a0153a0@gmx.at> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="26566"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: "mwd@md5i.com" , "schwab@linux-m68k.org" , "47244@debbugs.gnu.org" <47244@debbugs.gnu.org> To: martin rudalics Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Mar 23 17:54:05 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lOkI3-0006dc-Jl for geb-bug-gnu-emacs@m.gmane-mx.org; 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Tue, 23 Mar 2021 11:53:52 -0400 Original-Received: from lx-birch.ad.sei.cmu.edu (localhost [127.0.0.1]) by lx-birch.ad.sei.cmu.edu (8.14.7/8.14.7) with ESMTP id 12NFrqR1031816; Tue, 23 Mar 2021 11:53:52 -0400 Original-Received: (from mwd@localhost) by lx-birch.ad.sei.cmu.edu (8.14.7/8.14.7) id 12NFrqi3031813; Tue, 23 Mar 2021 11:53:52 -0400 X-Authentication-Warning: lx-birch.ad.sei.cmu.edu: mwd set sender to mwd@cert.org using -f In-Reply-To: <14e14f28-7ece-cd98-5e49-d4583a0153a0@gmx.at> (martin rudalics's message of "Tue, 23 Mar 2021 11:23:43 -0400") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:202912 Archived-At: martin rudalics writes: > >> break buffer.c:1840 if redisplaying_p != 0 && b->window_count > 0 > > > > This triggered today. > > Could you try running Emacs inserting before the last two lines of > `switch-to-prev-buffer' > > ;; Return new-buffer. > new-buffer)) > > a check so this stretch appears as > > (when (and (eq bury-or-kill 'kill) (eq new-buffer old-buffer)) > (error "Could not replace buffer %s in window %s" > old-buffer window)) > > ;; Return new-buffer. > new-buffer)) > > If `replace-buffer-in-windows' is the culprit, this should trigger the > bug sooner. > > Thanks, martin Okay. Running with this. I still have the other emacs that segfaulted in gdb if you want/need anything else from it. -- Michael Welsh Duggan (mwd@cert.org)