From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#35784: emacs 26 crash Date: Sat, 18 May 2019 18:39:59 +0300 Message-ID: <83y33393g0.fsf@gnu.org> References: <1558126467.3148.9.camel@bloodnok.com> <83ftpc9ted.fsf@gnu.org> <87zhnkc5zg.fsf@gmail.com> <87woindevp.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="44952"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 35784@debbugs.gnu.org, marc@bloodnok.com To: Noam Postavsky Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat May 18 17:44:46 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hS1Vq-000BOi-LR for geb-bug-gnu-emacs@m.gmane.org; Sat, 18 May 2019 17:44:42 +0200 Original-Received: from localhost ([127.0.0.1]:35478 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hS1Vp-0003XD-0I for geb-bug-gnu-emacs@m.gmane.org; Sat, 18 May 2019 11:44:41 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:35806) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hS1Va-0003UL-T7 for bug-gnu-emacs@gnu.org; Sat, 18 May 2019 11:44:27 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hS1SI-00066I-3i for bug-gnu-emacs@gnu.org; Sat, 18 May 2019 11:41:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:47502) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hS1SI-000665-0S for bug-gnu-emacs@gnu.org; Sat, 18 May 2019 11:41:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hS1SH-0003GF-P5 for bug-gnu-emacs@gnu.org; Sat, 18 May 2019 11:41:01 -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, 18 May 2019 15:41:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 35784 X-GNU-PR-Package: emacs Original-Received: via spool by 35784-submit@debbugs.gnu.org id=B35784.155819401212467 (code B ref 35784); Sat, 18 May 2019 15:41:01 +0000 Original-Received: (at 35784) by debbugs.gnu.org; 18 May 2019 15:40:12 +0000 Original-Received: from localhost ([127.0.0.1]:32813 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hS1RU-0003F1-2o for submit@debbugs.gnu.org; Sat, 18 May 2019 11:40:12 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:49125) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hS1RS-0003Eo-80 for 35784@debbugs.gnu.org; Sat, 18 May 2019 11:40:10 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:48412) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hS1RM-0004yF-3T; Sat, 18 May 2019 11:40:04 -0400 Original-Received: from [176.228.60.248] (port=1272 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1hS1RK-0006Z1-P0; Sat, 18 May 2019 11:40:03 -0400 In-reply-to: <87woindevp.fsf@gmail.com> (message from Noam Postavsky on Sat, 18 May 2019 10:19:22 -0400) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:159496 Archived-At: > From: Noam Postavsky > Cc: Eli Zaretskii , 35784@debbugs.gnu.org, Marc Munro > Date: Sat, 18 May 2019 10:19:22 -0400 > > martin rudalics writes: > > >> I'm able to reproduce using the latest emacs-26 branch (I don't have the > >> point releases checked out at the moment), both lucid and gtk3 builds. > >> It doesn't reproduce using master, there is a Lisp error (Symbol's > >> definition is void: new-frame) that interferes. > > > > Could you try with 'make-frame' instead of 'new-frame' (or defaliasing > > 'new-frame' to 'make-frame')? Here I can't reproduce the crash with > > Emacs 27 and I'm a bit too lazy to delve deeper on my broken systems. > > Ah, right, adding > > (defalias 'new-frame 'make-frame) > > lets it reproduce on master too. In case someone is trying to debug this, here's what I can glean from the backtrace: > #2  0x000000000061849e in die (msg=0x743f3f "BUFFERP (a)", > file=0x743f36 "buffer.h", line=914) at alloc.c:7406 > #3  0x00000000005802b3 in XBUFFER (a=0) at buffer.h:914 > #4  0x0000000000468bb3 in mark_window_display_accurate_1 (w=0x558e410, > accurate_p=false) at xdisp.c:14754 >         b = 0x7ffe74b60e40 > #5  0x0000000000468ffd in mark_window_display_accurate > (window=89711637, accurate_p=false) at xdisp.c:14811 >         w = 0x558e410 > #6  0x00000000004bbe06 in Fforce_window_update (object=89711637) at > window.c:3643 >         w = 0x558e410 This seems to imply that we are trying to update a non-leaf window, something that should never happen. There's no Lisp-level backtrace, so it's hard to tell what Lisp called force-window-update, and how the window in question became non-leaf, but maybe some crazy Lisp hook switched windows behind redisplay's back or something.