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Re: [Xen-devel] [xen-4.4-testing test] 25979: regressions - FAIL

On Wed, 2014-04-30 at 16:10 +0100, Ian Jackson wrote:
> Jan Beulich writes ("Re: [Xen-devel] [xen-4.4-testing test] 25979: 
> regressions - FAIL"):
> > On 25.04.14 at 13:46, <Ian.Campbell@xxxxxxxxxx> wrote:
> > > How long did the fourth boot take in 25794 I wonder?
> > 
> > 6247s (ran on lace-bug)
> See my other email.  I think this is host-specific.  lace-bug is an
> AMD machine.
> I think perhaps this is a performance problem with SVM.

I don't think this is a new thing. I've heard speculation that this may
have been the case since the page-sharing p2m locking changes way back
in 4.2.

I've lost track of who at AMD I should be CCing with this mail -- Jan, I
guess you know?


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