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: Mon, 29 Mar 2021 17:28:30 +0300 Message-ID: <83y2e6kp9t.fsf@gnu.org> References: <87im5ofp3z.fsf@md5i.com> <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> <16b279ef-a1c2-cd41-b18c-69383174c72a@gmx.at> <87a6qs7z60.fsf@md5i.com> <83eeg3kawg.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="39590"; 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 Mon Mar 29 16:29:22 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 1lQstN-000AAO-Pi for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 29 Mar 2021 16:29:21 +0200 Original-Received: from localhost ([::1]:55314 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lQstM-0003Ms-L4 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 29 Mar 2021 10:29:20 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38016) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lQst4-0003Kn-RN for bug-gnu-emacs@gnu.org; Mon, 29 Mar 2021 10:29:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:37657) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lQst4-0007oB-Be for bug-gnu-emacs@gnu.org; Mon, 29 Mar 2021 10:29:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lQst4-00009s-8V for bug-gnu-emacs@gnu.org; Mon, 29 Mar 2021 10:29:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 29 Mar 2021 14:29:02 +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=B47244.1617028137597 (code B ref 47244); Mon, 29 Mar 2021 14:29:02 +0000 Original-Received: (at 47244) by debbugs.gnu.org; 29 Mar 2021 14:28:57 +0000 Original-Received: from localhost ([127.0.0.1]:49203 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lQssu-00009U-Ms for submit@debbugs.gnu.org; Mon, 29 Mar 2021 10:28:56 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:44946) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lQsss-00009G-81 for 47244@debbugs.gnu.org; Mon, 29 Mar 2021 10:28:51 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:44606) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lQssj-0007eD-SW; Mon, 29 Mar 2021 10:28:41 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:3564 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lQssQ-0000jV-6T; Mon, 29 Mar 2021 10:28:25 -0400 In-Reply-To: (message from Michael Welsh Duggan on Mon, 29 Mar 2021 10:06:43 -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:203239 Archived-At: > From: Michael Welsh Duggan > Cc: Michael Welsh Duggan , "rudalics@gmx.at" > , > "schwab@linux-m68k.org" , > "47244@debbugs.gnu.org" <47244@debbugs.gnu.org> > Date: Mon, 29 Mar 2021 10:06:43 -0400 > > #0 set_buffer_internal_2 (b=0x5555578f43d8) at ../../master/src/buffer.c:2155 > old_buf = 0x555555593480 <_start> > tail = XIL(0) > #1 0x0000555555713f28 in set_buffer_internal_1 (b=0x1) > at ../../master/src/buffer.c:2141 > #2 0x00005555556e4ec6 in set_buffer_internal (b=0x5555578f43d8) > at ../../master/src/buffer.h:1184 > #3 0x00005555556e6b21 in command_loop_1 () at ../../master/src/keyboard.c:1289 > cmd = XIL(0x7fffffffde10) > keybuf = > {XIL(0), XIL(0x7ffff2c27c1d), XIL(0x555555765cd4), XIL(0x11cf6b0), XIL(0x7fffffffdd70), XIL(0x55555579e20b), XIL(0x11cf6b0), XIL(0x7ffff257e4c4), XIL(0x555559de7123), XIL(0x7ffff2c27c1d), XIL(0x7ffff2c27c1d), XIL(0x555559de7123), XIL(0x7ffff257e4c4), XIL(0x11cf6b0), XIL(0), XIL(0), XIL(0x555555cc5f80), XIL(0), XIL(0), XIL(0x7fffffffdd70), XIL(0x5555556e3c73), XIL(0xffffddc0), XIL(0x555555cc5f80), XIL(0), XIL(0), XIL(0x7fffffffdda0), XIL(0x555555797d03), make_fixnum(0), XIL(0x7fffffffdde0), XIL(0x55555579b3f4)} > i = 1 > prev_modiff = 0 > prev_buffer = 0x0 > already_adjusted = false OK, we are switching to the selected window's buffer, and that buffer was deleted. We still don't understand how this happens. Martin, any ideas? Please show the results of these commands: (gdb) p current_buffer->name_ (gdb) xstring (gdb) frame 3 (gdb) p cmd (gdb) xtype Thanks.