Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751202AbWCCXqq (ORCPT ); Fri, 3 Mar 2006 18:46:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932556AbWCCXqq (ORCPT ); Fri, 3 Mar 2006 18:46:46 -0500 Received: from mail.dvmed.net ([216.237.124.58]:14233 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S1751726AbWCCXqq (ORCPT ); Fri, 3 Mar 2006 18:46:46 -0500 Message-ID: <4408D55F.4090105@garzik.org> Date: Fri, 03 Mar 2006 18:46:39 -0500 From: Jeff Garzik User-Agent: Mozilla Thunderbird 1.0.7-1.1.fc4 (X11/20050929) X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Bill Rugolsky Jr." CC: Lee Revell , Andi Kleen , Jason Baron , linux-kernel@vger.kernel.org, john stultz , Ingo Molnar Subject: Re: AMD64 X2 lost ticks on PM timer References: <200602280022.40769.darkray@ic3man.com> <200603011647.34516.ak@suse.de> <20060301180714.GD20092@ti64.telemetry-investments.com> <200603011929.59307.ak@suse.de> <1141240611.5860.176.camel@mindpipe> <20060303191822.GE32407@ti64.telemetry-investments.com> <1141421204.3042.139.camel@mindpipe> <4408BEB5.7000407@garzik.org> <20060303234330.GA14401@ti64.telemetry-investments.com> In-Reply-To: <20060303234330.GA14401@ti64.telemetry-investments.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 838 Lines: 30 Bill Rugolsky Jr. wrote: > On Fri, Mar 03, 2006 at 05:09:57PM -0500, Jeff Garzik wrote: > >>Or sata_nv/libata is to blame. > > > In case you are coming late to the thread: I'm not. Thus my comments refuting Lee's silly speculation. > Andi suggested: > > Yes, I bet something forgets to turn on interrupts again and it's > picked up by (and blamed on) the next guy who does an unconditional > sti, which happens to be __do_sofitrq or idle. > > That sounds right to me. Unlikely. More likely is a disabled interrupt period is longer than a tick period, or similar. Jeff - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/