Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932178Ab0HCPbK (ORCPT ); Tue, 3 Aug 2010 11:31:10 -0400 Received: from mx4.sophos.com ([74.202.89.161]:38151 "EHLO mx4.sophos.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756379Ab0HCPbI convert rfc822-to-8bit (ORCPT ); Tue, 3 Aug 2010 11:31:08 -0400 From: Tvrtko Ursulin Organization: Sophos Plc To: Avi Kivity Subject: Re: 2.6.35 hangs on early boot in KVM Date: Tue, 3 Aug 2010 16:31:02 +0100 User-Agent: KMail/1.13.5 (Linux/2.6.34-12-desktop; KDE/4.4.4; x86_64; ; ) CC: "linux-kernel@vger.kernel.org" , KVM list , , References: <201008031028.57263.tvrtko.ursulin@sophos.com> <201008031557.04613.tvrtko.ursulin@sophos.com> <201008031617.21418.tvrtko.ursulin@sophos.com> In-Reply-To: <201008031617.21418.tvrtko.ursulin@sophos.com> MIME-Version: 1.0 Message-ID: <201008031631.03111.tvrtko.ursulin@sophos.com> X-MIMETrack: Itemize by SMTP Server on Mercury/Servers/Sophos(Release 7.0.3|September 26, 2007) at 03/08/2010 16:31:05, Serialize by Router on Mercury/Servers/Sophos(Release 7.0.3|September 26, 2007) at 03/08/2010 16:31:06, Serialize complete at 03/08/2010 16:31:06 X-TNEFEvaluated: 1 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1843 Lines: 48 On Tuesday 03 Aug 2010 16:17:20 Tvrtko Ursulin wrote: > On Tuesday 03 Aug 2010 15:57:03 Tvrtko Ursulin wrote: > > On Tuesday 03 Aug 2010 15:51:08 Avi Kivity wrote: > > > On 08/03/2010 12:28 PM, Tvrtko Ursulin wrote: > > > > I have basically built 2.6.35 with make oldconfig from a working > > > > 2.6.34. Latter works fine in kvm while 2.6.35 hangs very early. I see > > > > nothing after grub (have early printk and verbose bootup enabled), > > > > just a blinking VGA cursor and CPU at 100%. > > > > > > Please copy kvm@vger.kernel.org on kvm issues. > > > > > > > CONFIG_PRINTK_TIME=y > > > > > > Try disabling this as a workaround. > > > > I am in the middle of a bisect run with five builds left to go, currently > > I have: > > > > bad 537b60d17894b7c19a6060feae40299d7109d6e7 > > good 93c9d7f60c0cb7715890b1f9e159da6f4d1f5a65 > > Bisect is looking good, narrowed it to ten revisions, but I am not sure to > make it to the end today: > > bad cb41838bbc4403f7270a94b93a9a0d9fc9c2e7ea > good 41d59102e146a4423a490b8eca68a5860af4fe1c > > One interesting waning spotted: > > include/config/auto.conf:555:warning: symbol value '-fcall-saved-ecx > -fcall- saved-edx' invalid for ARCH_HWEIGHT_CFLAGS Copying Peter and Borislav, guys please look at the above warning. I am bisecting a non-bootable 2.6.35 under KVM and while I am not there yet, it is close to the hweight commit (cb41838bbc4403f7270a94b93a9a0d9fc9c2e7ea) and I spotted this warning. Tvrtko Sophos Plc, The Pentagon, Abingdon Science Park, Abingdon, OX14 3YP, United Kingdom. Company Reg No 2096520. VAT Reg No GB 348 3873 20. -- 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/