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#34179: 27.0.50; message hangs when buffer with process visible Date: Thu, 24 Jan 2019 16:39:11 +0200 Message-ID: <83pnsm6rxs.fsf@gnu.org> References: <87fttj4dgj.fsf@web.de> <83ef938hik.fsf@gnu.org> <874l9yp50z.fsf@web.de> <87y37anpoj.fsf@web.de> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="18468"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 34179@debbugs.gnu.org To: Michael Heerdegen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Jan 24 15:40:28 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 (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gmgB9-0004ZY-Rl for geb-bug-gnu-emacs@m.gmane.org; Thu, 24 Jan 2019 15:40:27 +0100 Original-Received: from localhost ([127.0.0.1]:55046 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gmgB8-0005Vj-Mj for geb-bug-gnu-emacs@m.gmane.org; Thu, 24 Jan 2019 09:40:26 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:48774) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gmgAn-0005OM-5b for bug-gnu-emacs@gnu.org; Thu, 24 Jan 2019 09:40:05 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gmgAl-00074V-ES for bug-gnu-emacs@gnu.org; Thu, 24 Jan 2019 09:40:05 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:44126) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gmgAk-00072p-E0 for bug-gnu-emacs@gnu.org; Thu, 24 Jan 2019 09:40:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gmgAk-0000dk-4Z for bug-gnu-emacs@gnu.org; Thu, 24 Jan 2019 09:40:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 24 Jan 2019 14:40:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 34179 X-GNU-PR-Package: emacs Original-Received: via spool by 34179-submit@debbugs.gnu.org id=B34179.15483407642404 (code B ref 34179); Thu, 24 Jan 2019 14:40:02 +0000 Original-Received: (at 34179) by debbugs.gnu.org; 24 Jan 2019 14:39:24 +0000 Original-Received: from localhost ([127.0.0.1]:43407 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gmgA8-0000ch-6H for submit@debbugs.gnu.org; Thu, 24 Jan 2019 09:39:24 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:38169) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gmgA6-0000cT-SV for 34179@debbugs.gnu.org; Thu, 24 Jan 2019 09:39:23 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:44464) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gmgA1-0005qU-Af; Thu, 24 Jan 2019 09:39:17 -0500 Original-Received: from [176.228.60.248] (port=3070 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gmgA0-0001Mb-TI; Thu, 24 Jan 2019 09:39:17 -0500 In-reply-to: <87y37anpoj.fsf@web.de> (message from Michael Heerdegen on Thu, 24 Jan 2019 14:35:56 +0100) 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:154726 Archived-At: > From: Michael Heerdegen > Cc: 34179@debbugs.gnu.org > Date: Thu, 24 Jan 2019 14:35:56 +0100 > > I'll leave that session open. Does that all tell you anything? Again: > this happens only when a *shell* buffer is currently displayed in some > frame. These seem just random places. What I suggest is to repeatedly type "finish" at GDB prompt, until you find a function where this command takes a lot of time before GDB displays its prompt "(gdb)" again. At that point, the function from which you just "finish"ed is the one that takes the bulk of time; GDB should have displayed it when you typed "finish", something like this: (gdb) finish Run till exit from #0 Fredraw_display () at dispnew.c:3031 <<<<<<<<<<<<<<< 0x0123a014 in funcall_subr (subr=0x16c7040 , numargs=0, args=0x82d8c0) at eval.c:2933 (gdb) Here the marked line is our culprit, and the line below that shows the place from which it was called.