On Tue, Feb 08, 2011 at 05:28:35PM +0100, Pim van Riezen wrote:
> On Feb 8, 2011, at 17:10 , Pim van Riezen wrote:
>
> >
> > On Feb 8, 2011, at 16:53 , Pasi Kärkkäinen wrote:
> >
> >> On Tue, Feb 08, 2011 at 01:39:06PM +0100, Pim van Riezen wrote:
> >>> Addendum:
> >>>
> >>> The Dells are actually R715.
> >>> The dom0 kernel is actually vmlinuz-2.6.18-194.32.1.el5xen
> >>>
> >>
> >> Have you gived dom0 fixed amount of memory, and also increase dom0 vcpu
> >> weights
> >> so that dom0 will always get enough cpu time to take care of things?
> >
> > Fixed dom0_mem, yes.
> > Weighting, seems not, but just did a testrun with the dom0 weight set to
> > 512. I got 2 task blocks on one node (that seems a new development) and the
> > same plus another raw_safe_halt soft lockup on the other:
>
> Also tried pinning 2 cpus for domain-0. Still soft lockups.
>
Did you also make sure VMs don't use those 2 pcpus dedicated for dom0?
You have to explicitly configure each VM not to use those pcpus.
-- Pasi
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