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Re: [Xen-devel] Xen4.2 S3 regression?



>>> On 14.08.12 at 19:31, Ben Guthro <ben@xxxxxxxxxx> wrote:
> I've bisected this issue - and it looks like it is a rather old problem.
> 
> The following changeset introduced it in the 4.1 development stream on
> Jun 17, 2010
> 
> http://xenbits.xen.org/hg/xen-unstable.hg/rev/0695a5cdcb42 

Interesting. That I wouldn't have suspected at all.

> Since we (XenClient Enterprise / NxTop) skipped over Xen-4.1 - we
> never ran into this until now.
> 
> Any thoughts as to a solution?

First try collectively removing the three calls to
evtchn_move_pirqs() in xen/common/schedule.c. If that helps,
see whether any smaller set also does. From the result of this,
I'll have to think further, perhaps handing you a debugging
patch.

Jan


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