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

["Fajar A. Nugraha" <list@xxxxxxxxx>]

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

-- 
Fajar

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