From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752378AbVHGRH0 (ORCPT ); Sun, 7 Aug 2005 13:07:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752383AbVHGRHZ (ORCPT ); Sun, 7 Aug 2005 13:07:25 -0400 Received: from rproxy.gmail.com ([64.233.170.192]:6793 "EHLO rproxy.gmail.com") by vger.kernel.org with ESMTP id S1752378AbVHGRHZ convert rfc822-to-8bit (ORCPT ); Sun, 7 Aug 2005 13:07:25 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=OH3kiu1ED+OpUFKT56BlDRw/8jL04OIdmBTNBHktgtyIRdnqV08QRe0PhoIs5PLyUpK2Vvljrn6xXehFwCV6SIdwnHQxm5K/ywphnA8w88idS0zIkFCHSZbUNBlujql260NPSUjscWJmpNSEaHOaENKmBDnabEG4nrY47w8XVLY= Message-ID: <5348b8ba050807100770f6b9c6@mail.gmail.com> Date: Sun, 7 Aug 2005 13:07:24 -0400 From: Erick Turnquist To: linux-kernel@vger.kernel.org Subject: Re: Lost Ticks on x86_64 In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <5348b8ba050806204453392f7f@mail.gmail.com.suse.lists.linux.kernel> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > It's most likely bad SMM code in the BIOS that blocks the CPU too long > and is triggered in idle. Might a BIOS flash help, or is this something that's there to stay? > No way to fix this, but you can work around it with very new kernels > by compiling with a lower HZ than 1000. Actually, it was already running at 250Hz. I must have turned it down a while ago while I was trying to find the cause of the problem.