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RE: [Xen-devel] can't create any more pv-on-hvm domains after ~38 under 3.3-testing

  • To: "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
  • Date: Mon, 1 Dec 2008 19:19:31 +1100
  • Cc:
  • Delivery-date: Mon, 01 Dec 2008 00:19:57 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AclTYDO0HGojA5KKSfuUf7ICvZJakQALKhmTAAAf1CA=
  • Thread-topic: [Xen-devel] can't create any more pv-on-hvm domains after ~38 under 3.3-testing

> On 1/12/08 02:55, "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
> > I'm running 3.3-testing from a few weeks ago, and after creating
> > 38 domains, my GPLPV drivers can no longer map frames for the grant
> > tables. It all works again after a reboot.
> >
> > This may go hand-in-hand with the problem I'm having where domains
> > disappear when shutdown until I issue another 'xm create'.
> My guess on that issue would be that something is causing domains not
> be
> fully destroyed, and then it takes an 'xm create' to make xend
> forget about the zombie domain. Yet presumably it still hangs around.
> haven't reproed anything like this, but I'm not using your drivers and
> don't know whether you are using 64b or 32b Xen.

Hmmm... I hadn't considered that it might be my drivers causing this...
even when I boot without them enabled, parts of them still run so that
could be it, and would explain why the problem is news to you :)

I'll do some testing and report back with more details.



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