From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 173361] Under heavy load, the CPU speed suddenly and irreversibly drops from 3500 to 400 MHz Date: Thu, 29 Sep 2016 17:18:02 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: Received: from mail.kernel.org ([198.145.29.136]:42690 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934253AbcI2RSG (ORCPT ); Thu, 29 Sep 2016 13:18:06 -0400 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DAF8C20211 for ; Thu, 29 Sep 2016 17:18:03 +0000 (UTC) Received: from bugzilla2.web.kernel.org (bugzilla2.web.kernel.org [172.20.200.52]) by mail.kernel.org (Postfix) with ESMTP id C3E4A20398 for ; Thu, 29 Sep 2016 17:18:02 +0000 (UTC) In-Reply-To: Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: linux-pm@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=173361 --- Comment #2 from Larry Finger --- I have not measured the drop in temperature with change in load, but I know it happens very quickly, and that the fan speed is very sensitive to the load. Even when running 4 infinite loops, sending a E-mail with Thunderbird will decrease the CPU utilization enough that the fan will momentarily slow. -- You are receiving this mail because: You are the assignee for the bug.