From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: guest crash on 2.6.20-rc4 Date: Tue, 09 Jan 2007 10:53:20 +0200 Message-ID: <45A35800.9090602@qumranet.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Return-path: To: Roland Dreier In-Reply-To: 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 Roland Dreier wrote: > I'm running a 64-bit Fedora 6 install as a guest on a host running > 2.6.20-rc4 with the kvm-10 userspace release. The CPU is a Xeon 5160 > and I have 6 GB of RAM. The guest is given 512 MB of memory. I left > the guest idle overnight, and the makewhatis cron job seems to have > triggered this: > > Unable to handle kernel paging request at ffff81000ba04000 RIP: > [] clear_page+0x16/0x44 > PGD 8063 PUD 9063 PMD 800000000ba001e3 PTE aad8a7d881d984d9 > The pgd/pud/pmd entries are all correct, so it's clear the mmu is confused. > I just let yum update the guest to the 2.6.18-1.2869.fc6 kernel, but > I'm more suspicious of the MMU changes to kvm... > > Yes. > I don't see anything come up in the host logs when this happens. > > Let me know if there is other debugging info that would be helpful. > A way to reproduce this would be nice, though I realize it's asking much. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- 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