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From: Avi Kivity <>
To: Roland Dreier <>
Cc: kvm-devel <>,
Subject: Re: [kvm-devel] guest crash on 2.6.20-rc4
Date: Tue, 09 Jan 2007 10:53:20 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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...


> 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

  reply	other threads:[~2007-01-09  8:53 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-08 16:18 Roland Dreier
2007-01-09  8:53 ` Avi Kivity [this message]
2007-01-09 21:26 ` [kvm-devel] " Avi Kivity
2007-01-10 18:31   ` Roland Dreier
2007-01-10 21:33   ` Roland Dreier
2007-01-11  8:06     ` Avi Kivity

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