Re: [Xen-devel][PATCH] xl create: endless loop

[Christoph Egger <Christoph.Egger@xxxxxxx>]

On Wednesday 17 November 2010 03:50:51 Daniel Stodden wrote:
> On Tue, 2010-11-16 at 10:57 -0500, Stefano Stabellini wrote:
> > On Tue, 16 Nov 2010, Zhang, Yang Z wrote:
> > > > -----Original Message-----
> > > > From: Stefano Stabellini [mailto:stefano.stabellini@xxxxxxxxxxxxx]
> > > > Sent: Tuesday, November 16, 2010 10:40 PM
> > > > To: Zhang, Yang Z
> > > > Cc: Stefano Stabellini; Christoph Egger;
> > > > xen-devel@xxxxxxxxxxxxxxxxxxx; Ian Jackson
> > > > Subject: RE: [Xen-devel][PATCH] xl create: endless loop
> > > >
> > > > On Tue, 16 Nov 2010, Zhang, Yang Z wrote:
> > > > > Yes I have the dom0_mem in xen command line. But I think the
> > > > > autoballoon is
> > > >
> > > > disable by default since there had an annotate before it, if it not I
> > > > think we should add some comments like "autoballoon default is
> > > > enable" as we see in the xmexample.hvm.
> > > >
> > > >
> > > > Autoballoon is enabled by default, a comment would probably be good
> > > >
> > > > > And the another question is why I should to disable the autoballoon
> > > > > manually
> > > >
> > > > in the xl.conf? why don't you to add a check in the xl to see whether
> > > > the autoballon is enable or disable?
> > > >
> > > >
> > > > Good question. The problem is: how should I write this check?
> > > > AFAIK there is no clear way to know if autoballooning should be
> > > > enabled or disabled, apart from parsing the xen command line options,
> > > > but it seems really ugly to me.
> > > >
> > > > In any case, could you please try disabling autoballooning and let me
> > > > know if you still have this issue?
> > >
> > > It works with disable the autoballoon. Thanks for you help.
> > >
> > > And a question with qcow issue I reported in another mail. Since our
> > > automation test is based in qcow images, because copy raw images take a
> > > long times(we have 60+ case), so will anyone to take a look at this
> > > issue? it will block our automation test with xl.
> >
> > Daniel, do you have any ideas?
>
> Not the slightest. Just proof that: Are we talking about blktap qcow or
> qemu? Still trying to find that mail.

xl links against blktap2, qemu links against blktap. I think, this may cause
some random behaviour.
qemu should move to blktap2 and drop blktap from the tools then.

Christoph


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