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 11:08:36 -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> <83tup17w26.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10815"; 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: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Mar 23 16:09:40 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 1lOif5-0002ef-QK for geb-bug-gnu-emacs@m.gmane-mx.org; 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Tue, 23 Mar 2021 11:08:37 -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 12NF8bwB026711; Tue, 23 Mar 2021 11:08:37 -0400 Original-Received: (from mwd@localhost) by lx-birch.ad.sei.cmu.edu (8.14.7/8.14.7) id 12NF8aq3026708; Tue, 23 Mar 2021 11:08:36 -0400 X-Authentication-Warning: lx-birch.ad.sei.cmu.edu: mwd set sender to mwd@cert.org using -f In-Reply-To: <83tup17w26.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 23 Mar 2021 11:02:09 -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:202905 Archived-At: Eli Zaretskii writes: >> From: Michael Welsh Duggan >> Cc: "mwd@md5i.com" , >> "schwab@linux-m68k.org" >> , >> "47244@debbugs.gnu.org" <47244@debbugs.gnu.org> >> Date: Tue, 23 Mar 2021 10:18:25 -0400 >> >> > break buffer.c:1840 if redisplaying_p != 0 && b->window_count > 0 >> >> This triggered today. >> >> #0 0x00005555555e1b6d in redisplay_internal () >> at ../../master/src/xdisp.c:15789 > > I don't understand: the breakpoint was supposed to be on line 1840 in > buffer.c, so why does frame #0 show line 15789 in xdisp.c? What am I > missing here? Is this the right backtrace? My mistake. It was a segfault. The breakpoint did not trigger. Here's the breakpoint in question: 5 breakpoint keep y 0x0000555555713580 in Fkill_buffer at ../../master/src/buffer.c:1840 inf 1, 2 stop only if redisplaying_p != 0 && b->window_count > 0 -- Michael Welsh Duggan (mwd@cert.org)