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#48433: 28.0.50; Emacs Core Dump when trying to visit file Date: Sat, 15 May 2021 14:25:56 +0300 Message-ID: <83zgwww857.fsf@gnu.org> References: <87k0o04ccq.fsf@weblogism.com> <837dk0xrsz.fsf@gnu.org> <156230f0-f761-a7d6-bdf3-d1dd2df2ecf7@weblogism.com> <831ra8xotx.fsf@gnu.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="19220"; mail-complaints-to="usenet@ciao.gmane.io" Cc: acm@muc.de, 48433@debbugs.gnu.org To: =?UTF-8?Q?S=C3=A9bastien?= Le Callonnec Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat May 15 13:27:50 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 1lhsST-0004kS-GF for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 15 May 2021 13:27:49 +0200 Original-Received: from localhost ([::1]:49440 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhsSS-0001QG-8a for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 15 May 2021 07:27:48 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:45084) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhsRi-0001Kv-4d for bug-gnu-emacs@gnu.org; Sat, 15 May 2021 07:27:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:36210) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhsRh-0007b4-T8 for bug-gnu-emacs@gnu.org; Sat, 15 May 2021 07:27:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lhsRh-0003nt-Pc for bug-gnu-emacs@gnu.org; Sat, 15 May 2021 07:27:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 15 May 2021 11:27:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 48433 X-GNU-PR-Package: emacs Original-Received: via spool by 48433-submit@debbugs.gnu.org id=B48433.162107797014549 (code B ref 48433); Sat, 15 May 2021 11:27:01 +0000 Original-Received: (at 48433) by debbugs.gnu.org; 15 May 2021 11:26:10 +0000 Original-Received: from localhost ([127.0.0.1]:47756 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lhsQr-0003mb-Lg for submit@debbugs.gnu.org; Sat, 15 May 2021 07:26:09 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:51320) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lhsQq-0003mO-D4 for 48433@debbugs.gnu.org; Sat, 15 May 2021 07:26:08 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:40874) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhsQk-00079F-80; Sat, 15 May 2021 07:26:02 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:1709 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 1lhsQi-0007IM-0h; Sat, 15 May 2021 07:26:00 -0400 In-Reply-To: (message from =?UTF-8?Q?S=C3=A9bastien?= Le Callonnec on Sat, 15 May 2021 12:16:20 +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:206592 Archived-At: > Cc: 48433@debbugs.gnu.org, acm@muc.de > From: Sébastien Le Callonnec > Date: Sat, 15 May 2021 12:16:20 +0100 > > (gdb) xbacktrace > "active-minibuffer-window" (0xffffa300) > "minibuffer-window-active-p" (0xffffa7a0) > "powerline-set-selected-window" (0xfffface0) > "run-hooks" (0xffffae48) > "read-from-minibuffer" (0xffffb318) > "ido-read-internal" (0xffffbe30) > "ido-file-internal" (0xffffc610) > "ido-find-file" (0xffffce40) > "funcall-interactively" (0xffffce38) > "call-interactively" (0xffffcfe0) > "command-execute" (0xffffd538) Thanks, this clarifies the issue. > (gdb) bt full > #0 terminate_due_to_signal (sig=21845, backtrace_limit=1481635280) at > emacs.c:399 > #1 0x000055555571c837 in emacs_abort () at sysdep.c:2282 > #2 0x000055555573decb in Factive_minibuffer_window () at minibuf.c:231 > frames = XIL(0x1f1dad70d) > frame = make_fixnum(23456248280808) > f = 0x55555623e6a5 > innermost_MB = XIL(0) What is the value of minibuf_level in frame #2? > >> This seems to isolate the issue to `read_minibuf_unwind`, which is part > >> of the changeset of the commit I bisected to. > > > > That was clear before, what is not clear is _where_ in > > read_minibuf_unwind it happens, and why. That's a very large > > function. > > Sorry if I was stating the obvious. (= No need to be sorry, no harm done.