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xen-users
Re: [Xen-users] dom0 crash, require assistance interpretting logs and c
Fajar A. Nugraha said the following:
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.
This is the stock debian stable (lenny) kernel. Bug fixes are
typically back-ported by debian maintainers, so I would be surprised if
the kernel is the issue.
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").
I'll give this a shot and let you know what I learn. The hardware
itself is less than a week old and I haven't done any serious testing.
Have you tried latest opensuse xen kernel?
http://code.google.com/p/gentoo-xen-kernel/downloads/list
Not yet, I'll try loading the I/O as you've suggested above with with
my existing non-xen debian stable kernel first and see how it goes. If
that causes problems I'll try again with 2.6.32.11 and the patches from
your link.
Thanks for the responses!
- Ben
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