Re: [Xen-ia64-devel] [PATCH]Enable xen0 smp when machine only has 2 LPs

[Alex Williamson <alex.williamson@xxxxxx>]

On Tue, 2006-06-20 at 18:02 +0800, Zhang, Xiantao wrote:
> This patch intends to enable xen0's smp when machine only has 2 LPs. 
> Thanks & Best Regards

Xiantao,

   For such a simply change, this patch caused me a lot of trouble.
When I repeatedly reboot domU, I can get it into a state reported as
"------" by xm list.  The domU console appears hung.  I can always get
it out of this state by running xenctx on the domain.  At that point the
console wakes up again and I get a software watchdog oops in the domU.
The backtrace in the oops is a standard cpu_idle kind of patch.  My HVM
capable systems sometimes even failed to boot dom0 when I applied this
patch.  Thanks,

        Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.


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