From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42290) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZQEbs-0006lT-88 for qemu-devel@nongnu.org; Fri, 14 Aug 2015 09:01:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZQEbo-0000wG-7e for qemu-devel@nongnu.org; Fri, 14 Aug 2015 09:01:24 -0400 Received: from mx4-phx2.redhat.com ([209.132.183.25]:35575) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZQEbn-0000wC-VT for qemu-devel@nongnu.org; Fri, 14 Aug 2015 09:01:20 -0400 Date: Fri, 14 Aug 2015 09:01:13 -0400 (EDT) From: Paolo Bonzini Message-ID: <1104465571.12477184.1439557273772.JavaMail.zimbra@redhat.com> In-Reply-To: <55CDCCE6.90102@kamp.de> References: <55CDCCE6.90102@kamp.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] Help debugging a regression in KVM Module List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Lieven Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org ----- Original Message ----- > From: "Peter Lieven" > To: qemu-devel@nongnu.org, kvm@vger.kernel.org > Cc: "Paolo Bonzini" > Sent: Friday, August 14, 2015 1:11:34 PM > Subject: Help debugging a regression in KVM Module > > Hi, > > some time a go I stumbled across a regression in the KVM Module that has been > introduced somewhere > between 3.17 and 3.19. > > I have a rather old openSUSE guest with an XFS filesystem which realiably > crashes after some live migrations. > I originally believed that the issue might be related to my setup with a 3.12 > host kernel and kvm-kmod 3.19, > but I now found that it is also still present with a 3.19 host kernel with > included 3.19 kvm module. > > My idea was to continue testing on a 3.12 host kernel and then bisect all > commits to the kvm related parts. > > Now my question is how to best bisect only kvm related changes (those that go > into kvm-kmod)? I haven't forgotten this. Sorry. :( Unfortunately I'll be away for three weeks, but I'll make it a priority when I'm back. Paolo