Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965193AbWJKSoJ (ORCPT ); Wed, 11 Oct 2006 14:44:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965224AbWJKSoI (ORCPT ); Wed, 11 Oct 2006 14:44:08 -0400 Received: from e33.co.us.ibm.com ([32.97.110.151]:63423 "EHLO e33.co.us.ibm.com") by vger.kernel.org with ESMTP id S965193AbWJKSoF (ORCPT ); Wed, 11 Oct 2006 14:44:05 -0400 Subject: Re: [RFC] Avoid PIT SMP lockups From: john stultz To: caglar@pardus.org.tr, kraxel@suse.de Cc: Andi Kleen , lkml In-Reply-To: <200610112137.01160.caglar@pardus.org.tr> References: <1160170736.6140.31.camel@localhost.localdomain> <200610111349.32231.caglar@pardus.org.tr> <1160589556.5973.1.camel@localhost.localdomain> <200610112137.01160.caglar@pardus.org.tr> Content-Type: text/plain; charset=UTF-8 Date: Wed, 11 Oct 2006 11:43:55 -0700 Message-Id: <1160592235.5973.5.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1472 Lines: 42 On Wed, 2006-10-11 at 21:37 +0300, S.Çağlar Onur wrote: > 11 Eki 2006 Çar 20:59 tarihinde, john stultz şunları yazmıştı: > > > Yep, [1] here is whole screen and used config, and as andi suggested i > > > recompiled this kernel [pure vanilla 2.6.18] from scratch. > > > > > > [1] http://cekirdek.pardus.org.tr/~caglar/2.6.18/ > > > > Huh.. that's an odd trace. Looks like the alternative code is involved. > > > > Mind booting w/ "noreplacement" to see if that avoids it? > > Booting with "noreplacement" solved panics (i tried booting 10 times with both > kernel) for both vanilla one and yours patch included one. Hey Gerd, Looks like the smp replacements code in 2.6.18 is breaking with vmware. I'm guessing we're taking an interrupt while apply_replacements is running. Any ideas? > By the way i just realize, panic occurs between > > Checking if this processor honours the WP bit even in supervisor mode... Ok. > > and > > Calibrating delay using timer specific routine.. xxxxx BogoMIPS (lpj=xxxxx) > > lines, and system waits there about 5 sec. maybe more (no matter if it panics > or continues to boot somehow) S.Çağlar: Didn't follow this bit at all. Could you explain a bit more? thanks -john - 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/