Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932084AbVK1PiP (ORCPT ); Mon, 28 Nov 2005 10:38:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932117AbVK1PiP (ORCPT ); Mon, 28 Nov 2005 10:38:15 -0500 Received: from mustang.oldcity.dca.net ([216.158.38.3]:25764 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S932084AbVK1PiP (ORCPT ); Mon, 28 Nov 2005 10:38:15 -0500 Subject: Re: [RT] read_tsc: ACK! TSC went backward! Unsynced TSCs? From: Lee Revell To: Jonas Oreland Cc: Steven Rostedt , Ingo Molnar , john stultz , LKML In-Reply-To: <438AF860.7050905@mysql.com> References: <1133179554.11491.3.camel@localhost.localdomain> <438AF860.7050905@mysql.com> Content-Type: text/plain Date: Mon, 28 Nov 2005 10:38:10 -0500 Message-Id: <1133192290.5228.17.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.4.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 821 Lines: 27 On Mon, 2005-11-28 at 13:30 +0100, Jonas Oreland wrote: > Steven Rostedt wrote: > > Hi Ingo, > > > > With -rt20 on the AMD64 x2, I'm getting a crap load of these: > > > > read_tsc: ACK! TSC went backward! Unsynced TSCs? > > > > So bad that the system wont even boot (at least I won't wait long enough > > to let it finish). > > > > config at: http://www.kihontech.com/tests/rt/config > > Check this: http://bugzilla.kernel.org/show_bug.cgi?id=5105 > > Booting with idle=poll, fixes that. > But that bug is marked fixed over a month ago. Isn't the fix in 2.6.14? Lee - 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/