Re: [Xen-devel] [PATCH] Disable Xen PowerNow! support on Opteron 2nd gen and earlier processors

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

I'll try and kick that code path myself tomorrow. Since it's only triggered
by cpufreq and ACPI S3 I haven't really done any run testing so far! With a
bit of luck it's just a silly mistake.

 -- Keir

On 28/1/08 21:52, "Langsdorf, Mark" <mark.langsdorf@xxxxxxx> wrote:

>> Please test with latest xen-unstable. As of changeset 16897 I
>> have fixed the vcpu affinity change, so that should actually
>> work,
> 
> It doesn't, for some reason.  It seems to lock up on the
> 
> v->arch.schedule_tail = continue_hypercall_on_cpu_helper
> 
> for no reason that I can tell.  If I comment out that line,
> the system boots fine, but if that is in Xen, the machine
> softlocks shortly after starting cpufreq.  Unfortunately,
> cpufreq starts well before any console, so I can't get a
> lot of information out the system.
> 
> I'll continue working on this, but any advance would be
> appreciated.
> 
> -Mark Langsdorf
> Operating System Research Center
> AMD
> 
> 



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