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#48337: Fwd: 28.0.50; Emacs crashing randomly (possibly minibuffer activity related) Date: Tue, 11 May 2021 05:24:28 +0300 Message-ID: <83fsyu57oj.fsf@gnu.org> References: <87tunasd2u.fsf@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1651"; mail-complaints-to="usenet@ciao.gmane.io" Cc: acm@muc.de, 48337@debbugs.gnu.org To: Alex =?UTF-8?Q?Benn=C3=A9e?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue May 11 04:25:23 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 1lgI5K-0000Ja-MH for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 11 May 2021 04:25:22 +0200 Original-Received: from localhost ([::1]:52506 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lgI5J-0003mV-MF for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 10 May 2021 22:25:21 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:56658) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lgI50-0003lK-Ot for bug-gnu-emacs@gnu.org; Mon, 10 May 2021 22:25:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:51317) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lgI50-00067d-Hq for bug-gnu-emacs@gnu.org; Mon, 10 May 2021 22:25:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lgI50-0000HU-CL for bug-gnu-emacs@gnu.org; Mon, 10 May 2021 22:25:02 -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, 11 May 2021 02:25:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 48337 X-GNU-PR-Package: emacs Original-Received: via spool by 48337-submit@debbugs.gnu.org id=B48337.16206998741044 (code B ref 48337); Tue, 11 May 2021 02:25:02 +0000 Original-Received: (at 48337) by debbugs.gnu.org; 11 May 2021 02:24:34 +0000 Original-Received: from localhost ([127.0.0.1]:34630 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lgI4Y-0000Gl-9T for submit@debbugs.gnu.org; Mon, 10 May 2021 22:24:34 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:46284) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lgI4X-0000GZ-43 for 48337@debbugs.gnu.org; Mon, 10 May 2021 22:24:33 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:33954) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lgI4R-0005jm-73; Mon, 10 May 2021 22:24:27 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:2795 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lgI4P-0002Ip-FU; Mon, 10 May 2021 22:24:26 -0400 In-Reply-To: (message from Alex =?UTF-8?Q?Benn=C3=A9e?= on Mon, 10 May 2021 20:30:58 +0100) 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:206196 Archived-At: > From: Alex Bennée > Date: Mon, 10 May 2021 20:30:58 +0100 > Cc: Alan Mackenzie > > It seems my mail client left this in the sent folder but never actually sent it: > > I haven't been able to find a reproduction as the bug hits fairly > randomly hence I'm running in my normal init.el heavy environment. > That said there shouldn't be anything in lisp that could cause a > segfault in the core C code. > > This only started happening this week after a recent update from > master (I update every Monday). The only change I could see that might > be related was f608b4b93 (Prevent the selected window being a dead > mini-window when switching frames). > > Unfortunately no symbols. However both core dumps so far have seen the > same null XCAR being called from nth_minibuffer: > > #0 0x00007f4384f585cb in raise (sig=sig@entry=11) at ../sysdeps/unix/sysv/linux/raise.c:50 > set = {__val = {18446744067266837247, 0 }} > pid = > tid = > #1 0x000055b6738bf530 in terminate_due_to_signal (sig=sig@entry=11, > backtrace_limit=backtrace_limit@entry=40) at emacs.c:437 > #2 0x000055b6738bf97d in handle_fatal_signal (sig=sig@entry=11) at sysdep.c:1762 > #3 0x000055b6739b8ca8 in deliver_thread_signal (sig=sig@entry=11, handler=0x55b6738bf972 > ) at sysdep.c:1754 > #4 0x000055b6739b8d29 in deliver_fatal_thread_signal (sig=11) at sysdep.c:1867 > fatal = > #5 0x000055b6739b8d29 in handle_sigsegv (sig=11, siginfo=, arg=) at > sysdep.c:1867 > fatal = > #6 0x00007f4384f58730 in () at /lib/x86_64-linux-gnu/libpthread.so.0 > #7 0x000055b6739ce0ef in XCAR (c=0x0) at lisp.h:1420 > tail = 0x0 > frames = > frame = > f = > innermost_MB = > #8 0x000055b6739ce0ef in nth_minibuffer (depth=) at minibuf.c:972 > tail = 0x0 > frames = > frame = > f = > innermost_MB = Please show the Lisp value of Vminibuffer_list.