From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Pip Cet Newsgroups: gmane.emacs.bugs Subject: bug#39962: 27.0.90; Crash in Emacs 27.0.90 Date: Tue, 17 Mar 2020 04:54:31 +0000 Message-ID: References: <24162.58107.725366.668639@cochabamba.vanoostrum.org> <83y2s48yn7.fsf@gnu.org> <83zhck6obg.fsf@gnu.org> <83r1xv73ze.fsf@gnu.org> <83imj5bdct.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="69368"; mail-complaints-to="usenet@ciao.gmane.io" Cc: eggert@cs.ucla.edu, 39962@debbugs.gnu.org To: Pieter van Oostrum Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Mar 17 05:56:13 2020 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 1jE4Gy-000Hw9-Tn for geb-bug-gnu-emacs@m.gmane-mx.org; 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Mon, 16 Mar 2020 21:55:08 -0700 (PDT) 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.io gmane.emacs.bugs:177435 Archived-At: On Tue, Mar 17, 2020 at 3:29 AM Pieter van Oostrum wrote: > Pip Cet writes: > > > Another thing we could try is poisoning the memory area used by a > > vector when we put it on the free list. Something like the attached > > patch might work. > > I made a new compile with the patch 0001-poison-memory-of-vectors-put-on-= the-free-list.patch applied and also the latest 0001-Don-t-collect-reachabl= e-killed-buffers-during-GC.patch (from message ID ) applied. Thanks! > (gdb) f 3 > #3 0x000000010023cdc5 in marker_position (marker=3DXIL(0x12590f575)) > at marker.c:691 > 691 register struct Lisp_Marker *m =3D XMARKER (marker); > (gdb) p marker > $1 =3D XIL(0x12590f575) > (gdb) xtype > Lisp_Vectorlike > PVEC_NORMAL_VECTOR > (gdb) p m > $2 =3D (struct Lisp_Marker *) 0x7ffeefbe92d0 m has not been set; it would have been set to 0x12590f570; can you print out the memory at that address? (x/32gx 0x12590f570)