Re: [Xen-devel] [PATCH 1/1] Xen ARINC 653 Scheduler (updated to add support for CPU pools)

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 22/06/2010 20:10, "Kathy Hadley" <Kathy.Hadley@xxxxxxxxxxxxxxx> wrote:

> Looking at the output to the serial channel, I see the following message
> (which was not output on an earlier version of Xen [xen-unstable downloaded
> May 27] where I can successfully start other domains):
> 
> (XEN) traps.c:2301:d2 Domain attempted WRMSR c0000080 from 0x0000080000000000
> to 0x0000080000000800.
> 
> Would this explain why the new domain appears to hang?

I think it might be a side effect of some MSR cleanup patches in the
hypervisor, and pribably not related to your hang. You'll need to track down
where your guest kernel is hanging. Add some early printks or maybe use the
xenctx tool to get an EIP value and map that to a location in the kernel
code.

 -- Keir



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