From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eric Abrahamsen Newsgroups: gmane.emacs.devel Subject: Re: Hangs on redisplay_internal Date: Mon, 03 Jun 2019 14:04:51 -0700 Message-ID: <874l56bcss.fsf@ericabrahamsen.net> References: <87o93fmctq.fsf@ericabrahamsen.net> <18F33AA3-9760-4E25-8DA7-4583BC8E362C@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="206354"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Jun 03 23:06:36 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hXuA7-000rWU-FC for ged-emacs-devel@m.gmane.org; Mon, 03 Jun 2019 23:06:35 +0200 Original-Received: from localhost ([127.0.0.1]:40930 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hXuA6-0001Uu-C3 for ged-emacs-devel@m.gmane.org; Mon, 03 Jun 2019 17:06:34 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:42264) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hXu9U-0001Ud-9W for emacs-devel@gnu.org; Mon, 03 Jun 2019 17:05:57 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hXu9P-0001y9-VC for emacs-devel@gnu.org; Mon, 03 Jun 2019 17:05:54 -0400 Original-Received: from ericabrahamsen.net ([52.70.2.18]:33020 helo=mail.ericabrahamsen.net) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hXu8X-0008R2-5J; Mon, 03 Jun 2019 17:04:58 -0400 Original-Received: from localhost (50-251-205-17-static.hfc.comcastbusiness.net [50.251.205.17]) (Authenticated sender: eric@ericabrahamsen.net) by mail.ericabrahamsen.net (Postfix) with ESMTPSA id EEFEFFA022; Mon, 3 Jun 2019 21:04:52 +0000 (UTC) In-Reply-To: <18F33AA3-9760-4E25-8DA7-4583BC8E362C@gnu.org> (Eli Zaretskii's message of "Mon, 03 Jun 2019 09:43:21 +0300") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 52.70.2.18 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:237231 Archived-At: On 06/03/19 09:43 AM, Eli Zaretskii wrote: > On June 3, 2019 8:56:33 AM GMT+03:00, Eric Abrahamsen wrote: >> I've been updating master every three or four days, and over the past >> week (more?) feel like I've been getting a lot of inexplicable hangs. >> They last as long as five or six seconds, but I can usually quit out >> of >> them. I started running with debug on quit as a matter of course, and >> just managed to kill one of them, and got: >> >> Debugger entered--Lisp error: (quit) >> redisplay_internal\ \(C\ function\)() >> >> That's all that was in *Backtrace*. >> >> I'm on Arch Linux, and haven't done anything special to the build >> process. I know this isn't very helpful, but maybe I can track down >> something more. > > Run Emacs under GDB, and when Emacs habgs, stop it with SIGTSTP, as > explained in etc/DEBUG. Then get a more informative backtrace with the > GDB's "bt" command. Be sure to invoke GDB from the src directory, so > that it will also show the Lisp backtrace. Will do. Hopefully I'll report back in a day or so with something useful. Thanks, Eric