From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757406AbXJLPbQ (ORCPT ); Fri, 12 Oct 2007 11:31:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753916AbXJLPbA (ORCPT ); Fri, 12 Oct 2007 11:31:00 -0400 Received: from rv-out-0910.google.com ([209.85.198.191]:5130 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753858AbXJLPa7 (ORCPT ); Fri, 12 Oct 2007 11:30:59 -0400 Subject: Re: CPU speed after hibernation From: Bhasker C V To: "Rafael J. Wysocki" Cc: linux-kernel@vger.kernel.org In-Reply-To: <200710121407.13024.rjw@sisk.pl> References: <1192171267.6631.8.camel@h1.unixindia.com> <200710121407.13024.rjw@sisk.pl> Content-Type: text/plain Date: Fri, 12 Oct 2007 21:00:50 +0530 Message-Id: <1192203050.15112.1.camel@h1.unixindia.com> Mime-Version: 1.0 X-Mailer: Evolution 2.6.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi all, False alarm. The cpu frequency works. But it takes a long time before it brings down the cpu speed. Initialy (atleast for 3-4 minutes) the CPU is kept at its high speed threshold and later the cpu throttling happens. On Fri, 2007-10-12 at 14:07 +0200, Rafael J. Wysocki wrote: > On Friday, 12 October 2007 08:41, Bhasker C V wrote: > > Hi all, > > > > I have enable suspend-to-disk on myetch system K 2.6.21.1 > > I have enabled acpi cpu frequency scaling and using "convservative" > > governer. > > > > When I boot the system, the cpu frequency works switches fine based on > > the requirement. But when i go to hibernation and come back from > > hibernation, the cpu frequency gets stuck at the maximum. > > > > I have already written to debian-users list but did not get any reply > > (with the same subject line). > > Is this a known issue ? > > If i try to remove and re-insert the cpufreq_conservative module, the > > whole system hangs. > > Please try 2.6.23. If the problem is still there, please file a bug at > http://bugzilla.kernel.org, under "Power Management"->Hibernation/Suspend. > > Greetings, > Rafael -- Bhasker C V Registered Linux user: #306349 (counter.li.org) The box said "Requires Windows 95, NT, or better", so I installed Linux.