From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Guest crashes with 068 user-space, works with 066 Date: Fri, 09 May 2008 18:16:39 +0300 Message-ID: <48246AD7.5030208@qumranet.com> References: <20080508161322.GB18198@legolas.on.net.mk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel@lists.sourceforge.net To: Damjan Return-path: In-Reply-To: <20080508161322.GB18198@legolas.on.net.mk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces@lists.sourceforge.net Errors-To: kvm-devel-bounces@lists.sourceforge.net List-Id: kvm.vger.kernel.org Damjan wrote: > Strange situation, I have a Ubuntu JeOS image that crashes with this > error when started by the kvm-068 user-space. Bellow is the trace from > the kernel... > > The same image, works with: > - kvm-066 user space, kvm-068 kernel module (on 2.6.24 and 2.6.25) > - kvm-066 user space, vanilla kernel module (from 2.6.24 and 2.6.25) > (on my x60s laptop, 1GB ram, L2400 CoreDuo cpu, > ArchLinux gcc-4.3.0 and gcc-3.4.6 glibc 2.7, 32bit) > > More strange, the same image works fine with both kvm-068 user space and > kvm-068 kernel module on my Slackware-12.0 desktop > (Q6600 cpu gcc-3.4.6 glibc-2.5 kernel-2.6.25, 32bit). > > [ 6.279345] Code: a9 3d c0 8d 44 24 08 e8 06 fc ff ff b8 bc a9 3d c0 e8 3c a7 16 00 8b 04 24 83 c4 10 5b 5e 5f 5d c3 90 56 89 c6 53 b8 a4 a9 3d c0 <0f> 0d 08 90 89 f0 e8 5c f3 ff ff 85 c0 89 c3 74 66 b8 a4 a9 3d > 0: 0f 0d 08 prefetchw (%rax) 3Dnow! got accidentally exposed to the guest. kvm-69 will disable it again. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone