Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755300AbYKWQaX (ORCPT ); Sun, 23 Nov 2008 11:30:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750871AbYKWQaG (ORCPT ); Sun, 23 Nov 2008 11:30:06 -0500 Received: from hpsmtp-eml20.KPNXCHANGE.COM ([213.75.38.85]:47828 "EHLO hpsmtp-eml20.kpnxchange.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750837AbYKWQaE (ORCPT ); Sun, 23 Nov 2008 11:30:04 -0500 From: Frans Pop To: "Rafael J. Wysocki" Subject: Re: [Bug #12064] [regression] Measured 688 cycles TSC warp; marking TSC unstable Date: Sun, 23 Nov 2008 17:29:58 +0100 User-Agent: KMail/1.9.9 Cc: Linux Kernel Mailing List , Kernel Testers List , "Thomas Gleixner" References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200811231729.59256.elendil@planet.nl> X-OriginalArrivalTime: 23 Nov 2008 16:30:02.0075 (UTC) FILETIME=[BBF052B0:01C94D88] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1032 Lines: 25 On Saturday 22 November 2008, Rafael J. Wysocki wrote: > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12064 > Date : 2008-11-16 19:27:43 (7 days old) > References : http://marc.info/?l=linux-kernel&m=122686370308852&w=2 Looks to be fixed in -rc6: -Calibrating delay using timer specific routine.. 6198.05 BogoMIPS (lpj=12396107) +Calibrating delay using timer specific routine.. 6399.82 BogoMIPS (lpj=12799647) [...] -checking TSC synchronization [CPU#0 -> CPU#1]: -Measured 696 cycles TSC warp between CPUs, turning off TSC clock. -Marking TSC unstable due to check_tsc_sync_source failed +checking TSC synchronization [CPU#0 -> CPU#1]: passed. So, BogoMIPS value on CPU#1 is in line with CPU#0 again and TSC passes. No idea what commit would be responsible. Cheers, FJP -- 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/