From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: chiaki-ishikawa-thunderbird-account Newsgroups: gmane.emacs.bugs Subject: bug#39413: 26.2; Emacs gets hung Date: Sun, 23 Feb 2020 02:53:06 +0900 Message-ID: <44e850a0-c8dc-4aec-5706-c52db33697a1@ubin.jp> References: <85r1ynam0x.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="61096"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 Cc: chiaki-ishikawa-thunderbird-account , 39413@debbugs.gnu.org To: Noam Postavsky Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Feb 22 18:54:12 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 1j5Yyh-000Fnc-VF for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 22 Feb 2020 18:54:11 +0100 Original-Received: from localhost ([::1]:44780 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j5Yyg-0000hk-NU for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 22 Feb 2020 12:54:10 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42960) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j5YyZ-0000hP-2l for bug-gnu-emacs@gnu.org; Sat, 22 Feb 2020 12:54:04 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j5YyX-0002dz-Ux for bug-gnu-emacs@gnu.org; Sat, 22 Feb 2020 12:54:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:44003) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1j5YyX-0002du-Ri for bug-gnu-emacs@gnu.org; Sat, 22 Feb 2020 12:54:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1j5YyX-00049r-SG for bug-gnu-emacs@gnu.org; Sat, 22 Feb 2020 12:54:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: chiaki-ishikawa-thunderbird-account Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 22 Feb 2020 17:54:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 39413 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: unreproducible Original-Received: via spool by 39413-submit@debbugs.gnu.org id=B39413.158239399115912 (code B ref 39413); Sat, 22 Feb 2020 17:54:01 +0000 Original-Received: (at 39413) by debbugs.gnu.org; 22 Feb 2020 17:53:11 +0000 Original-Received: from localhost ([127.0.0.1]:49976 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1j5Yxj-00048a-0R for submit@debbugs.gnu.org; Sat, 22 Feb 2020 12:53:11 -0500 Original-Received: from mail02.siriuscloud.jp ([219.118.72.2]:58855) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1j5Yxh-00048P-RK for 39413@debbugs.gnu.org; Sat, 22 Feb 2020 12:53:10 -0500 Original-Received: from [192.168.0.5] (M106073032161.v4.enabler.ne.jp [106.73.32.161]) (Authenticated sender: ishikawa@yk.rim.or.jp) by access02.SiriusCloud.jp (Postfix) with ESMTPA id 48PwsZ1z8Lz1XPtbk; Sun, 23 Feb 2020 02:53:06 +0900 (JST) Authentication-Results: access02.SiriusCloud.jp; dkim=none reason="no signature"; dkim-adsp=none (unprotected policy); dkim-atps=neutral In-Reply-To: <85r1ynam0x.fsf@gmail.com> Content-Language: en-US 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:176400 Archived-At: Thank you. I will taken note of "finish" and see if I can observe the return from alloc.c code if I get to see the next obvious hung. Chiaki On 2020/02/22 2:27, Noam Postavsky wrote: > tags 39413 + unreproducible > quit > > chiaki-ishikawa-thunderbird-account writes: > >> I printed stack backtrace and Emacs seemed to be in memory allocator. >> Then I let it continue. >> Still the emacs screen was locked up. >> So I interrupted the execution, and printed stack backtrace. >> Again Emacs was in memory allocator. >> Eventually I gave up and killed emacs. >> >> It seems that garbage collection or >> routine in alloc.c was looping. > That's not enough evidence to show that the garbage collection was > looping. There could be some higher level loop that does a lot of > allocation, so that if you stop at some random point you would have a > high probability of stopping in the alloc.c. If you catch this in gdb > again, try running the 'finish' a few times to see if it can leave the > alloc.c code. > >> This is not a repeatable bug. I have no idea how to reproduce this. It >> occurs every now and then.