Date: Fri, 2 May 2014 20:00:29 +0200 (CEST) From: Juergen Lock <nox@jelal.kn-bremen.de> To: andre-62Z4ZxnHd7CsTnJN9+BGXg@public.gmane.org Cc: freebsd-virtualization@freebsd.org Subject: Re: Kernel Panic on FreeBSD guests with libvirt 1.2.2 and qemu 1.7.91 Message-ID: <201405021800.s42I0TiE094542@enceladus10.kn-bremen.de> In-Reply-To: <f946e633356b1161c0d43217f59893b9@drenet.net> References: <e16b434b2d9a4a92cde563b988a7813b@drenet.net>
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In article <f946e633356b1161c0d43217f59893b9@drenet.net> you write: >On 05/01/2014 11:00 am, Andre Goree wrote: >> Hello, >> >> I'm running libvirt 1.2.2 and QEMU 1.7.91 on an Ubuntu 12.04LTS host. >> Prior to a recent upgrade, I've been able to run FreeBSD guests (both >> 10.0 and 9.2) perfectly fine without issue. Now, this the >> aforementioned versions, I'm running into a kernel panic almost >> immediately after booting, same message with both 10.0 & 9.2: "Fatal >> trap 12: page fault while in kernel mode". >> >> To ensure that it had nothing to do with my configuration [of the >> guest OS] I've tried installing the guest from guest using >> virt-install, however I still run into the same kernel panic. It'll >> be hard for me to post the output of the panic, so I'll try to show as >> much info as possible via images[1]. >> >> Upon researching, I've come across a few threads (e.g., this one[2]) >> that appear to be related, but none have helped. Any information that >> you can provide to help me get to the root of this issue would be >> greatly appreciated! >> >> [1]http://www.drenet.net/images/panic1.png >> http://www.drenet.net/images/panic2.png >> http://www.drenet.net/images/panic_noacpi1.png >> http://www.drenet.net/images/panic_noacpi2.png >> >> [2]http://forums.freebsd.org/viewtopic.php?t=36761 > > >After using my noggin a bit, I've determine the culprit to be atkbd. If >I disable it via the bootloader with "set hint.atkbd.0.disabled=1", the >vm will boot fine. HOWEVER, my problem then is that I cannot use the >keyboard via VNC. I'm trying to figure out ways around this...any help >would be much appreciated. I've already tried setting different flags >for atkbd, but no matter which flag I set, I get the kernel panic -- >ostensibly because atkbd is enabled (as it must be for a flag to be set >for it). > I think you have hit this issue for which the workaround is a patch to seabios: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug http://git.qemu.org/?p=seabios.git;a=commit;h=8032b8a0fec550de5cb2f7d37aa031cebc2200c3 References: http://article.gmane.org/gmane.comp.emulators.qemu/254414/ https://lists.gnu.org/archive/html/qemu-stable/2013-03/msg00037.html HTH, :) Juergen
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