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RE: [Xen-devel] blocking Xen 3.X production use: soft lockup bugs

To: "Steve Traugott" <stevegt@xxxxxxxxxxxxx>, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
Subject: RE: [Xen-devel] blocking Xen 3.X production use: soft lockup bugs
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Sat, 5 Aug 2006 08:38:03 +0100
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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Thread-index: Aca4A5VwFXWjD5p9R1u17PaGXGoqOwAXh5GQ
Thread-topic: [Xen-devel] blocking Xen 3.X production use: soft lockup bugs
> So I built -unstable changeset 10868, and ran an even heavier workload
> (the above, plus 'bonnie' in the guests) on dom0 and two guests
> overnight, and they experienced no soft lockups; running -unstable,
> changeset 10868, credit scheduler.  This same workload would have
> caused soft lockups within seconds in -testing changeset 9732 using
> the sedf scheduler; I may not have been able to get it started at all.
> Response time remained subsecond under -unstable; -testing would have
> been on its knees.

That's good to hear. 3.0.3 is going to be a big leap forward in many


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