Re: [Xen-users] 199% CPU in DomU

[Thomas Schneider <listen@xxxxxxxxxx>]

Hi,

I have a similar problem with one of our DomUs. Just to narrow chances, is 
there nagios running on the 199% CPU-DomU?
In my particular case, we narrowed down the processes to create that 
situation to the nagios-daemon. While this is running, the DomU happens to 
freeze - there is no connection possible neither ssh nor console.
I'm hoping, anybody got a solution or some hints, what we can do.

Thanks in advance,

Tom

--On 15. September 2006 16:21:21 +0200 Felix Jaussi 
<fj@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> Hi!
>
> We have a silly Problem, we are using xen on 6 machines. Everything
> works beautiful, but one DomU sometimes takes 199 percent of CPU an
> hangs (says xm top). Only an xm destroy and recreate can "reaktivate" it
> again. Normally it takes only around 25-40 percent. Sometimes it happens
> 1 time per week but sometimes every day. There is no more load at
> hangtime than normal and xen writes nothing to the logfiles (DomU/Dom0).
>
> We already changed the Dom0 System (we have an identical machine) and
> the Kernel is the same as on the other Systems and was built without USB
> Support.
>
>
> Have anybody an idea where I have to search for a solution of this
> Problem? Or anybody who already solved it? :-)
>
> Thanks for Help!
>
> Felix


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