From: Avi Kivity <avi@qumranet.com>
To: Roland Dreier <rdreier@cisco.com>
Cc: kvm-devel <kvm-devel@lists.sourceforge.net>,
linux-kernel@vger.kernel.org
Subject: Re: [kvm-devel] guest crash on 2.6.20-rc4
Date: Tue, 09 Jan 2007 10:53:20 +0200 [thread overview]
Message-ID: <45A35800.9090602@qumranet.com> (raw)
In-Reply-To: <ada4pr1mqz2.fsf@cisco.com>
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:
> [<ffffffff8025f402>] 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
WARNING: multiple messages have this Message-ID (diff)
From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
Cc: kvm-devel
<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: guest crash on 2.6.20-rc4
Date: Tue, 09 Jan 2007 10:53:20 +0200 [thread overview]
Message-ID: <45A35800.9090602@qumranet.com> (raw)
In-Reply-To: <ada4pr1mqz2.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.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:
> [<ffffffff8025f402>] 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
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next prev parent reply other threads:[~2007-01-09 8:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-08 16:18 guest crash on 2.6.20-rc4 Roland Dreier
2007-01-09 8:53 ` Avi Kivity [this message]
2007-01-09 8:53 ` Avi Kivity
2007-01-09 21:26 ` [kvm-devel] " Avi Kivity
2007-01-10 18:31 ` Roland Dreier
2007-01-10 21:33 ` Roland Dreier
2007-01-10 21:33 ` Roland Dreier
2007-01-11 8:06 ` [kvm-devel] " Avi Kivity
2007-01-11 8:06 ` Avi Kivity
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