From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Pip Cet Newsgroups: gmane.emacs.bugs Subject: bug#38748: 28.0.50; crash on MacOS 10.15.2 Date: Thu, 9 Jan 2020 14:10:20 +0000 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" Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="224092"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 38748@debbugs.gnu.org, alan@idiocy.org, andreyk.mad@gmail.com, jguenther@gmail.com To: Robert Pluim Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jan 09 15:17:44 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 1ipYca-000OSq-2W for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 09 Jan 2020 06:10:57 -0800 (PST) In-Reply-To: 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:174412 Archived-At: On Thu, Jan 9, 2020 at 10:31 AM Robert Pluim wrote: > Eli> Also, can I please see one backtrace with all the call-stack frames, > Eli> starting from 'main' and ending at 'handle_fatal_signal'? The > Eli> original report shows only the top-most 511 frames, and the other one > Eli> has a lot of ?? (missing symbols) in it. > > 'bt full' backtrace attached. At the risk of being wrong again, is it possible we're looking at two different bugs? This looks like it might be a crash in mark_frame when a "destroyed" frame's ->output_data.ns area is being accessed. And, indeed, nsterm.m's ns_free_frame_resources contains: xfree (f->output_data.ns); but not f->output_data.ns = NULL; f->output_method = output_initial; or anything like them.