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: Thu, 01 Apr 2021 16:22:29 +0300 Message-ID: <834kgqgmwa.fsf@gnu.org> References: <87im5ofp3z.fsf@md5i.com> <83r1jykmt0.fsf@gnu.org> <2d0dbdc8-3678-cd21-234a-9c63bb004629@gmx.at> <834kgrifrt.fsf@gnu.org> <106ce987-1a45-bbdf-3897-445baa99a476@gmx.at> <1f74fdb1-0171-3560-8771-32490323d8be@gmx.at> <83im56h2i1.fsf@gnu.org> <878s629m4v.fsf@md5i.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10631"; mail-complaints-to="usenet@ciao.gmane.io" Cc: mwd@md5i.com, schwab@linux-m68k.org, 47244@debbugs.gnu.org, mwd@cert.org To: Michael Welsh Duggan Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Apr 01 15:24:11 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 1lRxIx-0002Yl-Bj for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 01 Apr 2021 15:24:11 +0200 Original-Received: from localhost ([::1]:40690 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lRxIw-0006gB-Dt for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 01 Apr 2021 09:24:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39442) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lRxIo-0006eg-Hj for bug-gnu-emacs@gnu.org; Thu, 01 Apr 2021 09:24:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:45124) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lRxIn-0001wy-W2 for bug-gnu-emacs@gnu.org; Thu, 01 Apr 2021 09:24:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lRxIn-0001lM-So for bug-gnu-emacs@gnu.org; Thu, 01 Apr 2021 09:24:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 01 Apr 2021 13:24:01 +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=B47244.16172833846691 (code B ref 47244); Thu, 01 Apr 2021 13:24:01 +0000 Original-Received: (at 47244) by debbugs.gnu.org; 1 Apr 2021 13:23:04 +0000 Original-Received: from localhost ([127.0.0.1]:56668 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lRxHs-0001jp-I7 for submit@debbugs.gnu.org; Thu, 01 Apr 2021 09:23:04 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:45858) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lRxHm-0001j5-Ay for 47244@debbugs.gnu.org; Thu, 01 Apr 2021 09:23:03 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:54492) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lRxHb-00019I-Q9; Thu, 01 Apr 2021 09:22:47 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:3551 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lRxHb-00032P-6T; Thu, 01 Apr 2021 09:22:47 -0400 In-Reply-To: <878s629m4v.fsf@md5i.com> (message from Michael Welsh Duggan on Thu, 01 Apr 2021 09:20:48 -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:203423 Archived-At: > From: Michael Welsh Duggan > Cc: martin rudalics , mwd@cert.org, mwd@md5i.com, > schwab@linux-m68k.org, 47244@debbugs.gnu.org > Date: Thu, 01 Apr 2021 09:20:48 -0400 > > Eli Zaretskii writes: > > >> Cc: Eli Zaretskii , "mwd@md5i.com" , > >> "schwab@linux-m68k.org" , > >> "47244@debbugs.gnu.org" <47244@debbugs.gnu.org> > >> From: martin rudalics > >> Date: Thu, 1 Apr 2021 09:14:06 +0200 > >> > >> Otherwise I'm clueless. Maybe Eli has an idea. > > > > I would like first to understand what prevents Emacs from starting. > > Does it crash at that point, i.e. inside the call to > > BUFFER_CHECK_INDIRECTION? if so, can Michael please try to identify > > what is the immediate cause of the crash? > > And I find I can't ansswer the question. I rebuilt to give that > information, and this time everything is working just fine with > --enable-checking and the most recent debugging patch. No idea what > happened yesterday. Great, thanks. > I will say that what happened yesterday was not a crash. It was a > breakpoint on the > > error ("Selecting deleted buffer"); > > libe that was added to set_buffer_internal_2. I think maybe I overused > that gdb session and it got confused. I'm running now with the latest > patch and we'll see if the problem triggers today. There's no need to debug problems that cannot be reproduced.