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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>, Charles Coffing <ccoffing@xxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Mon, 30 Apr 2007 22:55:07 +0100
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 30 Apr 2007 14:52:06 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AceLcjcUdX8hjfdlEducVQAWy6hiGQ==
  • Thread-topic: [Xen-devel] 3.0.5-rc3: Creating HVM guest fails with: Cannot allocate memory

On 30/4/07 20:11, "Daniel P. Berrange" <berrange@xxxxxxxxxx> wrote:

>> We have received bug reports from ISVs of this problem in both the PV
>> and FV cases.  I traced code paths and discovered that FV attempts to
>> allocate the most memory during the initial domain creation; 64-bit PV
>> allocates the next most; 32-bit PV allocates the least.  So failures
>> for PV are less common, but not impossible.
> Indeed - in testing on 64-bit PV over the weekend I saw perhaps 1 in 5
> PV creation attempts fail with the not enough memory bug. So it does look
> like the patch needs to be de-indented to fix PV too.

It's weird that this is only cropping up now. Still, the workaround is
pretty harmless.

 -- Keir

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