Re: [Xen-devel] pvops domu soft lockup under load (more logs)

[Pim van Riezen <pi+lists@xxxxxxxxxxxx>]

On Apr 16, 2010, at 9:55 , Pim van Riezen wrote:

> There's more correlation between the guests that had the lockups and those 
> that didn't: the guests that locked up (and now have a way speedy jiffies 
> clock) were all on the same hardware platform, with an older Xeon CPU than on 
> the guests that had no issues. I attached cpuinfo for both the broken and the 
> non-broken dom0s. All are on Xen-3.4.1 (hypervisor-version doesn't seem to 
> affect this issue) and the latest CentOS 2.6.18 dom0-kernel.

This seems to be the golden ticket. I managed to migrate two of the problem 
guests to nodes in the same cluster with different Xeons:

        Xeon 5150: OK
        Xeon E5440: Screwed
        Xeon E5530: OK

Cheers,
Pim


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