Re: [Xen-users] dom0 crash, require assistance interpretting logs and config suggestions

["Fajar A. Nugraha" <fajar@xxxxxxxxx>]

On Mon, Apr 12, 2010 at 3:12 AM, Ben Holt <ben@xxxxxxxxxxxxxxxx> wrote:
> Hello,
>
> I have experienced a dom0 crash where the system became unreachable via the
> network and the console was unresponsive.  I would appreciate help
> interpretting the logs and any configuration change suggestions.
>
> It is a stock Debian Lenny dom0 running xen 3.2.1 with kernel
> 2.6.26-2-xen-amd64 and an AMD Athlon IIx4 with 4 GB of RAM.

that's a somewhat old, known-to-have-bugs kernel. The bugs might not
be directly related to your problems though.


> Apr 11 04:23:00 xenserver kernel: [277145.647458] ata2.00: status: { DRDY }
> Apr 11 04:23:00 xenserver kernel: [277145.647467] ata2: hard resetting link
> Apr 11 04:23:00 xenserver kernel: [277145.647486] ata1.00: exception Emask
> 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> Apr 11 04:23:00 xenserver kernel: [277145.647496] ata1.00: cmd
> ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0
> Apr 11 04:23:00 xenserver kernel: [277145.647497]          res
> 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
> Apr 11 04:23:00 xenserver kernel: [277145.647515] ata1.00: status: { DRDY }
> Apr 11 04:23:00 xenserver kernel: [277145.647523] ata1: hard resetting link
> Apr 11 04:23:01 xenserver kernel: [277146.131362] ata2: softreset failed
> (device not ready)
> Apr 11 04:23:01 xenserver kernel: [277146.131378] ata2: failed due to HW
> bug, retry pmp=0

I'd start by making sure the HW itself is fine (perhaps by booting a
normal, non-xen, known-good kernel and doing something like "dd
if=/dev/sda of=/dev/null bs=1M").

Have you tried latest opensuse xen kernel?
http://code.google.com/p/gentoo-xen-kernel/downloads/list

-- 
Fajar

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