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: Wed, 31 Mar 2021 17:01:10 +0300 Message-ID: <834kgrifrt.fsf@gnu.org> References: <87im5ofp3z.fsf@md5i.com> <16b279ef-a1c2-cd41-b18c-69383174c72a@gmx.at> <87a6qs7z60.fsf@md5i.com> <83eeg3kawg.fsf@gnu.org> <83y2e6kp9t.fsf@gnu.org> <83tuouknpb.fsf@gnu.org> <83sg4eknh5.fsf@gnu.org> <83r1jykmt0.fsf@gnu.org> <2d0dbdc8-3678-cd21-234a-9c63bb004629@gmx.at> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="5137"; 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 Wed Mar 31 16:02:14 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 1lRbQD-0001Ce-UJ for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 31 Mar 2021 16:02:13 +0200 Original-Received: from localhost ([::1]:56702 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lRbQC-0000Of-Vq for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 31 Mar 2021 10:02:13 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55108) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lRbQ3-0000OX-4N for bug-gnu-emacs@gnu.org; Wed, 31 Mar 2021 10:02:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:43462) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lRbQ2-0007G5-NO for bug-gnu-emacs@gnu.org; Wed, 31 Mar 2021 10:02:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lRbQ2-0003wg-IO for bug-gnu-emacs@gnu.org; Wed, 31 Mar 2021 10:02:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 31 Mar 2021 14:02:02 +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=B47244.161719927115106 (code B ref 47244); Wed, 31 Mar 2021 14:02:02 +0000 Original-Received: (at 47244) by debbugs.gnu.org; 31 Mar 2021 14:01:11 +0000 Original-Received: from localhost ([127.0.0.1]:55008 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lRbPD-0003vZ-Ah for submit@debbugs.gnu.org; Wed, 31 Mar 2021 10:01:11 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:33208) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lRbPB-0003vI-4x for 47244@debbugs.gnu.org; Wed, 31 Mar 2021 10:01:09 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:60262) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lRbP3-0006ZG-2X; Wed, 31 Mar 2021 10:01:01 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:4831 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lRbOy-0005AP-Gf; Wed, 31 Mar 2021 10:00:58 -0400 In-Reply-To: (message from Michael Welsh Duggan on Wed, 31 Mar 2021 09:53:56 -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:203364 Archived-At: > From: Michael Welsh Duggan > Cc: Eli Zaretskii , "mwd@md5i.com" , > "schwab@linux-m68k.org" , > "47244@debbugs.gnu.org" > <47244@debbugs.gnu.org> > Date: Wed, 31 Mar 2021 09:53:56 -0400 > > And, trapped! Backtrace is included. Maybe unfortunately, it isn't one > of the new easserts, but at least we now have a different backtrace. > Hopefully that will lead to new insights. I will note that, in this > instance, the reproducer did not follow the same formula, as you can see > in the Lisp backtrace. > > #0 raise (sig=) at ../sysdeps/unix/sysv/linux/raise.c:50 > set = { > __val = {402653184, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 268435456, 0, 0, 93824994300624, 18446744067266838271} > } > pid = > tid = > #1 0x00005555557197a1 in terminate_due_to_signal > (sig=6, backtrace_limit=2147483647) at ../../master/src/emacs.c:416 > #2 0x00005555557c4858 in die > (msg=0x55555594f2a0 "b->window_count == 0", file=0x55555594da8a "../../master/src/buffer.c", line=1969) at ../../master/src/alloc.c:7420 > #3 0x0000555555759190 in Fkill_buffer (buffer_or_name=XIL(0x555557888814)) > at ../../master/src/buffer.c:1969 > buffer = XIL(0x555557889325) > b = 0x555557889320 > tem = XIL(0) > m = 0x0 So replace_buffer_in_windows didn't do its job? Unfortunately, this assertion is _after_ we make the buffer's name nil, so no way of knowing for sure which buffer is that, except by looking at the Lisp which triggered that.