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xen-users
Re: [Xen-users] BUG: soft lockup
On Sun, Jan 31, 2010 at 11:23 PM, Dana Rawding <dana@xxxxxxxxxxx> wrote:
> Hi all,
>
> I've been experiencing a rash of CPU lockups on a number of domU's recently.
> It's been happening on two different servers. About a year ago I had this
> problem every once in a while but it was not frequent. I was running Ubuntu
> with Xen 3.1 and 2.6.24-18 back then. I'm now running Xen 3.3 and 2.6.24-26.
Since you're using Ubuntu's kernel, the Ubuntu-way would be to report
this bug on bugs.ubuntu.com, and wait until they come up with a fix :P
> What I have noticed is that just prior to the lockups the domU's had high cpu
> loads. The domU that I have the most problems with is a Zimbra server. My
> guess is that a rash of spam comes through and cpu loads get high, then the
> cpu's lock up. Originally I had it running with 1 cpu but have since upped
> it 2 then 3 cpu's.
>
> I have been collecting the lockup messages and have posed a few below. Any
> ideas? Recommendations?
You might want to try using newer kernel. Both vanilla kernel and
Suse's Xen kernel should work for domU. See
http://wiki.xensource.com/xenwiki/XenDom0Kernels. T
--
Fajar
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