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Re: [Xen-users] Unable to restore a windows 2008 on xen 4.0.1

To: xen-users@xxxxxxxxxxxxxxxxxxx, James Harper <james.harper@xxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Unable to restore a windows 2008 on xen 4.0.1
From: Matthieu Patou <mat+Informatique.xen@xxxxxxxxx>
Date: Fri, 10 Jun 2011 19:03:08 +0400
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On 10/06/2011 02:07, Matthieu Patou wrote:
On 08/06/2011 13:01, Fajar A. Nugraha wrote:
On Wed, Jun 8, 2011 at 3:57 PM, Matthieu Patou
<mat+Informatique.xen@xxxxxxxxx>  wrote:
Hello,

Since a couple of month I setup my debian squeeze to save and restore domain
upon reboots

This works great for all the linux domains but for the windows one it's not
I always have the 33 extents of order 0 error.

Here is an extract of the xen output log
[2011-06-08 12:49:29 1514] DEBUG (image:891) args: isa, val: 0
[2011-06-08 12:49:29 1514] DEBUG (image:891) args: acpi, val: 1
[2011-06-08 12:49:29 1514] DEBUG (image:891) args: usb, val: 1
[2011-06-08 12:49:29 1514] DEBUG (image:891) args: usbdevice, val:
host:04b9:0300
[2011-06-08 12:49:29 1514] DEBUG (image:891) args: gfx_passthru, val: None
[2011-06-08 12:49:29 1514] INFO (image:822) Need to create platform
device.[domid:6]
[2011-06-08 12:49:29 1514] DEBUG (XendCheckpoint:286) restore:shadow=0x12,
_static_max=0x7d000000, _static_min=0x0,
[2011-06-08 12:49:29 1514] DEBUG (XendCheckpoint:305) [xc_restore]:
/usr/lib/xen-4.0/bin/xc_restore 51 6 3 4 1 1 1 0
[2011-06-08 12:49:29 1514] INFO (XendCheckpoint:423) xc_domain_restore
start: p2m_size = 100000
[2011-06-08 12:49:29 1514] INFO (XendCheckpoint:423) Reloading memory pages:
   0%
[2011-06-08 12:49:53 1514] INFO (XendCheckpoint:423) Failed allocation for
dom 6: 33 extents of order 0
[2011-06-08 12:49:53 1514] INFO (XendCheckpoint:423) ERROR Internal error:
Failed to allocate memory for batch.!
[2011-06-08 12:49:53 1514] INFO (XendCheckpoint:423)
[2011-06-08 12:49:55 1514] INFO (XendCheckpoint:423) Restore exit with rc=1
[2011-06-08 12:49:55 1514] DEBUG (XendDomainInfo:3053)
XendDomainInfo.destroy: domid=6
[2011-06-08 12:49:55 1514] ERROR (XendDomainInfo:3067)
XendDomainInfo.destroy: domain destruction failed.
Just a guess, are you perhaps letting dom0 memory balloon as needed?
Try adding dom0_mem on grub.cfg / menu.lst, something like this:

    kernel /xen.gz dom0_mem=2000M
I just tried and unfortunatly  it's the same problem.


Could it be related to the fact that I have pretty old windows drivers: 0.10.0.86 for gnupv drivers. ?

Matthieu.

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