From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Roland Winkler" Newsgroups: gmane.emacs.bugs Subject: bug#22305: 24.5; permanent 100% CPU load for no apparent reason Date: Mon, 4 Jan 2016 11:47:44 -0600 Message-ID: <45120.46680.905339.22154@gargle.gargle.HOWL> References: <41538.98876.177125.22154@gargle.gargle.HOWL> <834met6z9d.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1451929698 10938 80.91.229.3 (4 Jan 2016 17:48:18 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 4 Jan 2016 17:48:18 +0000 (UTC) Cc: 22305@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Jan 04 18:48:09 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aG9Ek-0000qx-M6 for geb-bug-gnu-emacs@m.gmane.org; Mon, 04 Jan 2016 18:48:06 +0100 Original-Received: from localhost ([::1]:46509 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aG9Ek-0006DL-37 for geb-bug-gnu-emacs@m.gmane.org; Mon, 04 Jan 2016 12:48:06 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39401) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aG9Eh-0006DA-4c for bug-gnu-emacs@gnu.org; Mon, 04 Jan 2016 12:48:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aG9Eg-0002fD-A5 for bug-gnu-emacs@gnu.org; Mon, 04 Jan 2016 12:48:03 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:49588) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aG9Eg-0002f9-6i for bug-gnu-emacs@gnu.org; Mon, 04 Jan 2016 12:48:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aG9Ef-0000Jt-QW for bug-gnu-emacs@gnu.org; Mon, 04 Jan 2016 12:48:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: "Roland Winkler" Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 04 Jan 2016 17:48:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22305 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 22305-submit@debbugs.gnu.org id=B22305.14519296741215 (code B ref 22305); Mon, 04 Jan 2016 17:48:01 +0000 Original-Received: (at 22305) by debbugs.gnu.org; 4 Jan 2016 17:47:54 +0000 Original-Received: from localhost ([127.0.0.1]:37808 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aG9EY-0000JX-L8 for submit@debbugs.gnu.org; Mon, 04 Jan 2016 12:47:54 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:48383) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aG9EX-0000JL-9n for 22305@debbugs.gnu.org; Mon, 04 Jan 2016 12:47:53 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aG9ER-0002d1-0h for 22305@debbugs.gnu.org; Mon, 04 Jan 2016 12:47:48 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:37264) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aG9EQ-0002cv-U6 for 22305@debbugs.gnu.org; Mon, 04 Jan 2016 12:47:46 -0500 Original-Received: from [2602:30a:2e52:d720:9665:9cff:fe91:d124] (port=37262 helo=regnitz) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1aG9EQ-00030n-B1; Mon, 04 Jan 2016 12:47:46 -0500 In-Reply-To: <834met6z9d.fsf@gnu.org> 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: 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:111203 Archived-At: On Mon Jan 4 2016 Eli Zaretskii wrote: > Not necessarily. AFAIR, 'top' shows the CPU usage of each program > in terms of processor execution units. IOW, 100% means Emacs is > pegging a single execution unit. Sure. My point is that normally `top' says that my emacs session does not take more than 2 or 3% CPU load. Yet suddenly this goes up to 100% and the fan starts running loudly, too. > How many execution units (cores) do you have on that system? `lshw' says Intel(R) Core(TM) i7-5600U CPU @ 2.60GHz which, I believe, comes with four cores. > When this happens, attach a debugger and show us the backtrace, > including the Lisp backtrace. Thanks, will do that.