From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Alexander Asteroth Newsgroups: gmane.emacs.bugs Subject: bug#28149: 26.0.50; Emacs regularly hangs for multiple seconds in e.g. find-file Date: Tue, 22 Aug 2017 18:33:27 +0200 Message-ID: <87ziar5zqg.fsf@h-brs.de> References: <87ziaw6lnv.fsf@h-brs.de> <83ziavcycd.fsf@gnu.org> <8760dhcsbq.fsf@h-brs.de> <83pobpary6.fsf@gnu.org> <87efs4c19u.fsf@h-brs.de> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: blaine.gmane.org 1503419663 456 195.159.176.226 (22 Aug 2017 16:34:23 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 22 Aug 2017 16:34:23 +0000 (UTC) User-Agent: mu4e 0.9.17; emacs 25.2.1 Cc: 28149@debbugs.gnu.org To: Alexander Asteroth Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Aug 22 18:34:18 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dkC89-0008II-OK for geb-bug-gnu-emacs@m.gmane.org; Tue, 22 Aug 2017 18:34:17 +0200 Original-Received: from localhost ([::1]:33233 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dkC8G-0006Zj-AQ for geb-bug-gnu-emacs@m.gmane.org; Tue, 22 Aug 2017 12:34:24 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55513) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dkC7y-0006Xz-Hw for bug-gnu-emacs@gnu.org; Tue, 22 Aug 2017 12:34:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dkC7u-0002sN-Ig for bug-gnu-emacs@gnu.org; Tue, 22 Aug 2017 12:34:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:41087) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dkC7u-0002sH-FL for bug-gnu-emacs@gnu.org; Tue, 22 Aug 2017 12:34:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1dkC7u-0001lP-9Z for bug-gnu-emacs@gnu.org; Tue, 22 Aug 2017 12:34:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Alexander Asteroth Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 22 Aug 2017 16:34:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 28149 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 28149-submit@debbugs.gnu.org id=B28149.15034196256755 (code B ref 28149); Tue, 22 Aug 2017 16:34:02 +0000 Original-Received: (at 28149) by debbugs.gnu.org; 22 Aug 2017 16:33:45 +0000 Original-Received: from localhost ([127.0.0.1]:49768 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dkC7c-0001kt-V9 for submit@debbugs.gnu.org; Tue, 22 Aug 2017 12:33:45 -0400 Original-Received: from ux-2s11.inf.fh-bonn-rhein-sieg.de ([194.95.66.8]:46911) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dkC7a-0001kd-GU for 28149@debbugs.gnu.org; Tue, 22 Aug 2017 12:33:43 -0400 Original-Received: from epsilon.h-brs.de (pD9F8385B.dip0.t-ipconnect.de [217.248.56.91]) (authenticated bits=0) by ux-2s11.inf.fh-bonn-rhein-sieg.de (8.14.4/8.14.4/Debian-4ska2) with ESMTP id v7MGXW76018844 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Tue, 22 Aug 2017 18:33:34 +0200 In-reply-to: <87efs4c19u.fsf@h-brs.de> X-Auth: by SMTP AUTH @ ux-2s11 X-MIMEDefang-Info-ge: Gescannt in Inf@FH-BRS, Regeln s. MiniFAQ E-Mail/Mailscanner X-Scanned-By: MIMEDefang 2.73 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: 208.118.235.43 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:136052 Archived-At: Hi all, the source of error seems to be related to the graphics driver. Hangs are related to these lines in syslog/dmesg: -------------------- [63129.201509] [drm] stuck on render ring [63129.201808] [drm] GPU HANG: ecode 9:0:0x84dffff8, in Xorg [8965], reason: Engine(s) hung, action: reset [63129.203624] drm/i915: Resetting chip after gpu hang [63131.202095] [drm] RC6 on ------------------- which seem to be temporarly related to the error. Some Tickets about this error are already open in freedesktop.org by other users. Let's hope there will be a workaround. PS: I don't have a clue why this happens when autocompleting in emacs :-/ -- Alex Alexander Asteroth writes: > Eli Zaretskii writes: >>> I tried and after bisection after bisection, hangs got less but did not >>> disappear. Then I did one final test with emacs -Q again and actually >>> managed, after several minutes, a hanging as well, after find-file with >>> completion in buffers with lots of files in it (/usr/share/... or >>> similar). >>> >>> I come to the conclusion, that it probably is not an emacs problem at >>> all but rather a hardware or OS problem that manifests only in a singe >>> threaded application like emacs. >> >> Hmm. This description is not entirely consistent with your original >> report, which said: >> >>> my emacs hangs pretty often anf for 10 secs. ca. when I am prompted for >>> e.g. a file in find-file, or an interactive function in M-x or a >>> shell-command in read-shell-command. It seems to happen only, in these >>> cases, when there is an option to auto-complete. > > Not inconsistend but there seems to be a gradual decrease in the > frequency this happens (depending on the size of my init.el). With emacs > -Q it happens so rarely, I have to change folder and complete very > often. > >> >> This doesn't sound like the hangs were while Emacs was actually >> auto-completing on file names. Was that just an inaccuracy in the >> description, and you in fact see the hangs only while Emacs completes >> on file names, after you type TAB etc.? >> >> In any case, 10 sec for completion sounds like a lot to me. >> Especially since yours looks like an optimized build. How many files >> do you have in the directory where completion is so slow? And what >> kind of CPU do you have on that system? > > I also tried emacs 25.2 with the same result. System is a 1 year old > Lenovo ThinkPad Yoga 260. > > As I said I'm not really sure any more it is emacs. What is particularly > surprising is the huge difference between read on file descriptor 3 and > 4. fd 3 take 0.00002 on average, fd 4 takes 0.4 to 0.9 seconds. > > -- Alex -- Viele Grüße, Alex -------------------------------------------------------------------------- Prof. Dr. Alexander Asteroth room A.022.3 Fon: +49 2241 865 255 Bonn-Rhein-Sieg University o.a.s. Fax: +49 2241 865 8255 Computer Science Department mail: alexander.asteroth@h-brs.de Grantham-Allee 20 Web: http://www.inf.h-brs.de/asteroth 53757 Sankt Augustin, Germany