[Xen-devel] Re: Test results for save/restore with upstream pv_ops domU kernels, 2.6.33 problems

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Feb 25, 2010 at 05:27:13PM +0200, Pasi Kärkkäinen wrote:
> > > > > 
> > > > > Is it possible some of the save/restore related patches didn't make 
> > > > > it to 2.6.31.x stable kernels? 
> > > > 
> > > > AFAIK they only went into the 2.6.32 stable branch. Unfortunately I
> > > > think the 2.6.31 stable series has come to an end now.
> > > > 
> > > 
> > > Hello,
> > > 
> > > An user on ##xen just reported that 2.6.32.9 save/restore works OK,
> > > but 2.6.33 fails/crashes.
> > > 
> > > Some of the patches that went to 2.6.32.x are not in 2.6.33?
> > 
> > I don't think so -- the acceptance criteria for a stable tree is that
> > the patch is in mainline already. Must be some new breakage.
> > 
> 
> Ok.. I'll do some testing myself.
> 

I had to patch 2.6.33 to get it boot without crashing,
(Jeremy sent me a patch to fix it), but after that 
save/restore worked OK for me.

I tried save+restore 10 times in a row for a 
x86_64 4-vcpu 2.6.33 guest with 2 GB of memory,
no problems found on my environment (EL 5.4 dom0).

-- Pasi


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