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Re: [Xen-devel] 3.0.5-rc3: Creating HVM guest fails with: Cannot allocate memory

  • To: "Daniel P. Berrange" <berrange@xxxxxxxxxx>
  • From: Keir Fraser <keir@xxxxxxxxxxxxx>
  • Date: Fri, 27 Apr 2007 14:56:48 +0100
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Fri, 27 Apr 2007 06:55:37 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AceI0+XnJEd7DPTHEduDOgAX8io7RQ==
  • Thread-topic: [Xen-devel] 3.0.5-rc3: Creating HVM guest fails with: Cannot allocate memory

On 27/4/07 14:26, "Daniel P. Berrange" <berrange@xxxxxxxxxx> wrote:

> It seems to occurr with any HVM guest I try to create, unless there was
> already
> some free mem (from starting & stopping a previous dom). I'm testing with this
> very simple hack which seems to make it work - just ensure the balloon driver
> frees a 10 MB chunk right at the start. Hardcoding is fine because when we
> later get to the _initDomain() method we'll definitely be freeing up much
> more than 10 MB for the HVM guests's actual mem requirements.

We do most testing with a sensible 'dom0_mem=' so we wouldn't see this.

The hack looks fine.

 -- Keir

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