From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: kernel bug in kvm_intel Date: Sat, 31 Oct 2009 18:38:57 +0200 Message-ID: <4AEC6821.7010801@redhat.com> References: <4ACF9745.3050902@linux.vnet.ibm.com> <4AD16ACE.6040903@redhat.com> <1255372957.4883.49.camel@twinturbo.austin.ibm.com> <4AD4231F.6040608@redhat.com> <1255442640.4883.56.camel@twinturbo.austin.ibm.com> <4AD6061D.5070306@redhat.com> <1255637909.4883.129.camel@twinturbo.austin.ibm.com> <1256926052.4883.203.camel@twinturbo.austin.ibm.com> <4AEC5C24.9080506@redhat.com> <4AEC64FC.7070908@linux.vnet.ibm.com> <4AEC6699.6000202@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, Tejun Heo To: Andrew Theurer Return-path: Received: from mx1.redhat.com ([209.132.183.28]:8195 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752928AbZJaQj2 (ORCPT ); Sat, 31 Oct 2009 12:39:28 -0400 In-Reply-To: <4AEC6699.6000202@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 10/31/2009 06:32 PM, Avi Kivity wrote: > On 10/31/2009 06:25 PM, Andrew Theurer wrote: >>> 5579 is not the preceding commit, it is the merged branch: >>> >>> commit ada3fa15057205b7d3f727bba5cd26b5912e350f >>> Merge: 2f82af0 5579fd7 >>> Author: Linus Torvalds >>> Date: Tue Sep 15 09:39:44 2009 -0700 >>> >>> Merge branch 'for-linus' of >>> git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu >>> >>> >>> What happens with 2f82af0? >>> >> >> 2f82af0 is: >> >>> Nicolas Pitre has a new email address >>> >>> Due to problems at cam.org, my nico@cam.org email address is no longer >>> valid. FRom now on, nico@fluxnic.net should be used instead. >> >> I have not tested that, but it doesn't seem likely that it would have >> anything to do with the problem. Or maybe I am misunderstanding the >> impact of this commit? > > ada3fa15 is known broken. It is the merge of two branches: 2f82 > (mainline) and 5597. Testing both branches would indicate the problem > is in the merge if both test ok. > >> Oh, wait, that commit was tested, in the middle of the log above. > > So the problem is the merge. Will look. > Only, that merge doesn't change virt/kvm or arch/x86/kvm. Tejun, anything known bad about that merge? ada3fa15 kills kvm. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.