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#38748: 28.0.50; crash on MacOS 10.15.2 Date: Thu, 26 Dec 2019 19:18:33 +0200 Message-ID: <83fth7qa3a.fsf@gnu.org> References: <20191226130420.GB71460@breton.holly.idiocy.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="84784"; mail-complaints-to="usenet@blaine.gmane.org" Cc: andreyk.mad@gmail.com, 38748@debbugs.gnu.org To: Alan Third Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Dec 26 18:19:10 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 (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1ikWn0-000LtV-LF for geb-bug-gnu-emacs@m.gmane.org; Thu, 26 Dec 2019 18:19:10 +0100 Original-Received: from localhost ([::1]:55354 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ikWmy-00040B-HC for geb-bug-gnu-emacs@m.gmane.org; Thu, 26 Dec 2019 12:19:08 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49996) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ikWmt-0003ye-1K for bug-gnu-emacs@gnu.org; Thu, 26 Dec 2019 12:19:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ikWms-00036e-34 for bug-gnu-emacs@gnu.org; Thu, 26 Dec 2019 12:19:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:50184) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ikWms-00036a-0H for bug-gnu-emacs@gnu.org; Thu, 26 Dec 2019 12:19:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ikWmr-0006Hp-R9 for bug-gnu-emacs@gnu.org; Thu, 26 Dec 2019 12:19:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 26 Dec 2019 17:19:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 38748 X-GNU-PR-Package: emacs Original-Received: via spool by 38748-submit@debbugs.gnu.org id=B38748.157738072424141 (code B ref 38748); Thu, 26 Dec 2019 17:19:01 +0000 Original-Received: (at 38748) by debbugs.gnu.org; 26 Dec 2019 17:18:44 +0000 Original-Received: from localhost ([127.0.0.1]:56157 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ikWma-0006HI-KC for submit@debbugs.gnu.org; Thu, 26 Dec 2019 12:18:44 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:40768) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ikWmY-0006H5-NN for 38748@debbugs.gnu.org; Thu, 26 Dec 2019 12:18:43 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:46256) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ikWmT-0002o8-A9; Thu, 26 Dec 2019 12:18:37 -0500 Original-Received: from [176.228.60.248] (port=2127 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1ikWmS-0007R9-KV; Thu, 26 Dec 2019 12:18:37 -0500 In-reply-to: <20191226130420.GB71460@breton.holly.idiocy.org> (message from Alan Third on Thu, 26 Dec 2019 13:04:20 +0000) 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:173787 Archived-At: > Date: Thu, 26 Dec 2019 13:04:20 +0000 > From: Alan Third > Cc: 38748@debbugs.gnu.org > > > 20 org.gnu.Emacs 0x00000001084a7c86 handle_sigsegv + 168 > > 21 libsystem_platform.dylib 0x00007fff6b73a42d _sigtramp + 29 > > 22 ??? 000000000000000000 0 + 0 > > 23 org.gnu.Emacs 0x00000001084ddd80 mark_object + 272 > > 24 org.gnu.Emacs 0x00000001084ddd80 mark_object + 272 > > Looks like a crash in GC. Yes, but why? One possibility is stack overflow. If that's not the reason, then one needs to employ the technique described in etc/DEBUG to find out which object got corrupted and why.