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#36649: 27.0.50; pure space and pdumper Date: Sun, 21 Jul 2019 21:14:41 +0300 Message-ID: <83muh7qmpa.fsf@gnu.org> References: Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="226813"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 36649@debbugs.gnu.org, eggert@cs.ucla.edu, pipcet@gmail.com To: Robert Pluim Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Jul 21 20:16:15 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 1hpGNZ-000wsx-AM for geb-bug-gnu-emacs@m.gmane.org; Sun, 21 Jul 2019 20:16:13 +0200 Original-Received: from localhost ([::1]:57218 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hpGNX-0005nR-Er for geb-bug-gnu-emacs@m.gmane.org; Sun, 21 Jul 2019 14:16:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:35077) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hpGNQ-0005Za-I1 for bug-gnu-emacs@gnu.org; Sun, 21 Jul 2019 14:16:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hpGNP-00023r-Iu for bug-gnu-emacs@gnu.org; Sun, 21 Jul 2019 14:16:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:50647) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hpGNP-00023l-FO for bug-gnu-emacs@gnu.org; Sun, 21 Jul 2019 14:16:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hpGNP-0002sO-Ad for bug-gnu-emacs@gnu.org; Sun, 21 Jul 2019 14:16:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 21 Jul 2019 18:16:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 36649 X-GNU-PR-Package: emacs Original-Received: via spool by 36649-submit@debbugs.gnu.org id=B36649.156373290610955 (code B ref 36649); Sun, 21 Jul 2019 18:16:03 +0000 Original-Received: (at 36649) by debbugs.gnu.org; 21 Jul 2019 18:15:06 +0000 Original-Received: from localhost ([127.0.0.1]:59464 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hpGMT-0002qd-NH for submit@debbugs.gnu.org; Sun, 21 Jul 2019 14:15:05 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:50456) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hpGMR-0002pn-Aa for 36649@debbugs.gnu.org; Sun, 21 Jul 2019 14:15:04 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:43080) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hpGML-0001HZ-RN; Sun, 21 Jul 2019 14:14:57 -0400 Original-Received: from [176.228.60.248] (port=3119 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1hpGML-0000s2-4A; Sun, 21 Jul 2019 14:14:57 -0400 In-reply-to: (message from Robert Pluim on Sun, 21 Jul 2019 19:56:42 +0200) 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:163552 Archived-At: > From: Robert Pluim > Date: Sun, 21 Jul 2019 19:56:42 +0200 > Cc: 36649@debbugs.gnu.org, Paul Eggert > > Pip> That's strange. Looking at the crash backtrace again, it seems that > Pip> this is the initial garbage collection, when everything should be > Pip> pristine. I still think it dies while marking the obarray, upon > Pip> encountering a symbol which has somehow become corrupted... > > OK. How do we go about detecting which symbol that is? etc/DEBUG has some advice for debugging crashes inside GC.