Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751269AbVK1M15 (ORCPT ); Mon, 28 Nov 2005 07:27:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751270AbVK1M15 (ORCPT ); Mon, 28 Nov 2005 07:27:57 -0500 Received: from mailgate-out2.mysql.com ([213.136.52.68]:24755 "EHLO mailgate.mysql.com") by vger.kernel.org with ESMTP id S1751269AbVK1M15 (ORCPT ); Mon, 28 Nov 2005 07:27:57 -0500 Message-ID: <438AF860.7050905@mysql.com> Date: Mon, 28 Nov 2005 13:30:24 +0100 From: Jonas Oreland User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.7.11) Gecko/20050915 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Steven Rostedt CC: Ingo Molnar , john stultz , LKML Subject: Re: [RT] read_tsc: ACK! TSC went backward! Unsynced TSCs? References: <1133179554.11491.3.camel@localhost.localdomain> In-Reply-To: <1133179554.11491.3.camel@localhost.localdomain> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 674 Lines: 24 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. Hope it help /Jonas - 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/