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xen-devel
RE: [Xen-devel] Instability with Xen, interrupt routing frozen, HPET bro
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To: |
"'Wei, Gang'" <gang.wei@xxxxxxxxx> |
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Subject: |
RE: [Xen-devel] Instability with Xen, interrupt routing frozen, HPET broadcast |
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From: |
"Langsdorf, Mark" <mark.langsdorf@xxxxxxx> |
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Date: |
Thu, 5 May 2011 09:53:26 -0500 |
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"xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx> |
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Thu, 05 May 2011 07:55:29 -0700 |
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Thread-topic: |
[Xen-devel] Instability with Xen, interrupt routing frozen, HPET broadcast |
> > I'm seeing similar issues. If I disable C-states as Jimmy suggests
> > above, the problem goes away. If I set the clocksource to
> > pit, the problem goes away. It may go away also if I set the clocksource to
> > pmtimer/acpi, or if I remove HPET from the list of available platform
> > timers.
> >
> We could not reproduce it, so no specific fix for it by far.
> Have you tried the latest upstream?
So far, I haven't tried to reproduce with the latest upstream.
I will do that today if I can.
> When you mentioned clocksource, do you mean clocksource in
> dom0 or in xen? I do think hpet broadcast code have nothing
> to do with clocksource choice.
xen clocksource parameter.
--Mark Langsdorf
Operating System Research Center
AMD
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