From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Robert Pluim Newsgroups: gmane.emacs.bugs Subject: bug#38748: 28.0.50; crash on MacOS 10.15.2 Date: Thu, 09 Jan 2020 15:13:22 +0100 Message-ID: References: <20191226130420.GB71460@breton.holly.idiocy.org> <83fth7qa3a.fsf@gnu.org> <83blrtq2j0.fsf@gnu.org> <83sgl3lyii.fsf@gnu.org> <834kxej6lc.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="66261"; mail-complaints-to="usenet@blaine.gmane.org" Cc: alan@idiocy.org, jguenther@gmail.com, pipcet@gmail.com, 38748@debbugs.gnu.org To: Andrii Kolomoiets Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jan 09 15:15:16 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.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 1ipYZg-000uC8-Ll for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 09 Jan 2020 06:13:24 -0800 (PST) Original-Received: from rpluim-mac ([149.5.228.1]) by smtp.gmail.com with ESMTPSA id o16sm3061623wmc.18.2020.01.09.06.13.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Jan 2020 06:13:24 -0800 (PST) In-Reply-To: (Andrii Kolomoiets's message of "Thu, 09 Jan 2020 15:51:24 +0200") 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:174410 Archived-At: >>>>> On Thu, 09 Jan 2020 15:51:24 +0200, Andrii Kolomoiets said: Andrii> I made an assumption that gdb is indeed working incorrectly for= me Andrii> because: Andrii> - It can't print last_marked Andrii> - It shows a lot of ?? in call-stack Andrii> - Emacs is not crashing if running not under gdb Andrii> - Emacs keep working after continuing execution after gdb reach= es Andrii> terminate_due_to_signal breakpoint Emacs crashes for me with or without gdb (and under lldb). Andrii> So I tried to use lldb. Andrii> Under lldb the crash is not occured on commit with 'ok =3D fals= e'. Andrii> Also I came up with code to reproduce crash under 'emacs -Q' at= least on Andrii> my machine. Andrii> Here is the '~/emacs-crash.el' content: Andrii> (make-frame `((parent-frame . ,(window-frame)))) Andrii> (make-frame `((parent-frame . ,(window-frame)))) Andrii> (make-frame `((parent-frame . ,(window-frame)))) Andrii> (make-frame `((parent-frame . ,(window-frame)))) Andrii> (delete-frame) Andrii> (delete-frame) Andrii> (delete-frame) Andrii> (delete-frame) Andrii> (garbage-collect) That doesn=CA=BCt crash for me with 'emacs -Q', but I=CA=BCm not on 10.15.2= yet, I=CA=BCm still on 10.14 Andrii> This code is start crashing on the commit Andrii> bb42f6ef10cb250a9263b17a8794e950a563d5d0 Andrii> Though I can't use xTYPE commands under lldb please see attache= d lldb Andrii> output. It has all the call-stack frames starting from 'main'. That=CA=BCs very different from the call stack I see. Perhaps we have two bugs? Robert