From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jim Paris Subject: Re: kvm problems with Intel host and netbsd/linux guests Date: Mon, 5 Mar 2007 04:43:45 -0500 Message-ID: <20070305094345.GA17129@jim.sh> References: <20070305083833.GA10982@jim.sh> <45EBE20D.6070706@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Avi Kivity Return-path: Content-Disposition: inline In-Reply-To: <45EBE20D.6070706-atKUWr5tajBWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Avi Kivity wrote: > >Also, on the Linux side of things, I have a disk image from a computer > >that also crashes when I try to boot it. It dies with "exception 14" > >after Grub. But, it does work fine with -no-kvm. The kernel it's > >booting is a 32-bit k7 optimized kernel; is it expected behavior for > >that to work fine under -no-kvm but crash on an Intel host? > > > > If the kernel uses AMD-specific instructions, yes. Can you send .config > for that kernel? I think it's the stock debian 2.6.18-1-k7 kernel, not sure as it's a disk image from someone else's machine. The config has CONFIG_X86_32=y CONFIG_MK7=y http://jim.sh/~jim/tmp/config-2.6.18-1-k7 I've managed to get it to boot with KVM by booting first with -no-kvm and installing the 2.6.18-1-686 kernel. And that seems to mostly work, except that I get occasional random segfaults inside the guest OS. I also get the same thing when booting e.g. a FreeBSD liveCD (FreeSBIE). Sigh. Not sure how to easily reproduce or debug that. -jim ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV