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Re: [Xen-users] domu state: broken

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Subject: Re: [Xen-users] domu state: broken
From: Mark Williamson <mark.williamson@xxxxxxxxxxxx>
Date: Wed, 31 Oct 2007 01:41:47 +0000
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> I have yet been able to have a correctly working domu state working
> without being in a broken state.  I can do everything regarding networks
> and have check all the appropriate logs but I still can not debug or
> find out what could be causing the broken state.  Are there proper
> places one can look?
> # xm list
> Name                                      ID   Mem VCPUs      State
> Time(s)
> Domain-0                                   0  6560     2     r-----   
> 317.6 node1                                       10   750     1
> -b----      4.4

That looks normal to me.  The "b" stands for "blocked" i.e. it's probably 
waiting for IO from disk or network.  On a uniprocessor system you'll never 
actually a domain other than dom0 in the "r" (running) state - since in order 
to run xm list, dom0 has to be in the act of running.  On a multiprocessor 
system, a domain which is doing lots of IO, or not using the CPU much, or 
sharing with other domains is also going to spend quite a lot of time not in 
the "r" state.

Does the CPU time usage displayed by xm list go up?  If you use xm console, 
can you connect to the domain?  I suspect the domain has started OK, but 
possibly its not displaying the console correctly or something.  It looks 
like it's running tho...


Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

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