From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs Date: Tue, 23 Mar 2021 18:42:25 +0200 Message-ID: <83r1k57rf2.fsf@gnu.org> 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> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="36304"; mail-complaints-to="usenet@ciao.gmane.io" Cc: mwd@md5i.com, schwab@linux-m68k.org, 47244@debbugs.gnu.org To: Michael Welsh Duggan Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Mar 23 18:04:58 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 1lOkSg-0009Lb-4K for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 23 Mar 2021 18:04:58 +0100 Original-Received: from localhost ([::1]:52482 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lOkSf-0005fQ-39 for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 23 Mar 2021 13:04:57 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:52012) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lOk7S-0000nO-QU for bug-gnu-emacs@gnu.org; Tue, 23 Mar 2021 12:43:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:49536) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lOk7S-0005v3-HE for bug-gnu-emacs@gnu.org; Tue, 23 Mar 2021 12:43:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lOk7S-0003gq-EP for bug-gnu-emacs@gnu.org; Tue, 23 Mar 2021 12:43:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 23 Mar 2021 16:43:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47244 X-GNU-PR-Package: emacs Original-Received: via spool by 47244-submit@debbugs.gnu.org id=B47244.161651775514151 (code B ref 47244); Tue, 23 Mar 2021 16:43:02 +0000 Original-Received: (at 47244) by debbugs.gnu.org; 23 Mar 2021 16:42:35 +0000 Original-Received: from localhost ([127.0.0.1]:32849 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lOk70-0003gA-QC for submit@debbugs.gnu.org; Tue, 23 Mar 2021 12:42:35 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:58914) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lOk6x-0003fw-Jv for 47244@debbugs.gnu.org; Tue, 23 Mar 2021 12:42:33 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:59652) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lOk6m-0005WD-Kw; Tue, 23 Mar 2021 12:42:21 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:4937 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lOk6m-00041f-0e; Tue, 23 Mar 2021 12:42:20 -0400 In-Reply-To: (message from Michael Welsh Duggan on Tue, 23 Mar 2021 11:08:36 -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:202913 Archived-At: > 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 11:08:36 -0400 > > >> #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 Then I guess the hypothesis about the scenario which causes the crash was wrong. Let's see if Martin's suggestion has better luck.