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[Xen-users] Xen XP V2V Boot Problem

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Liwei <xieliwei@xxxxxxxxx>
  • Date: Thu, 16 Jun 2011 03:31:54 +0800
  • Delivery-date: Wed, 15 Jun 2011 12:33:20 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi all,
    Been trying to get a virtualbox vm booting in xen with no luck.

    The original virtualbox vm was p2v converted using the vmware
conversion tool and has been working well for the past year. After
switching to xen, I simply used qemu-img to convert the vmdk file into
a raw lv.

    However, on booting, I get the "A Disk Read Error Occured. Press
CTRL+ALT+DEL to restart." Booting with the XP recovery disk and doing
a fixmbr and fixboot didn't change anything. Running ntfsfix and
shifting the partition to a 4096 byte boundary didn't help either.

    In frustration, I nuked the original partition table and created a
new one with the same partition layout. Now the Disk Read Error
message doesn't even come up, it just hangs there after "Booting from
Hard Disk". fixboot and fixmbr still didn't change a thing either.

    In all instances, I could still mount the C drive in ubuntu or
recovery console.

    I've tried this multiple times, each time starting from a new
conversion of the vmdk to the raw lv. The original vmdk still boots in
virtualbox, so the vmdk's good. And since the partition remains
mountable and chkdsk reports no problems, I believe the vmdk to raw
conversion is good too. Furthermore, I've converted two other
virtualbox vms without incident, only this particular one is

    So what gives? Now I suspect some CHS related problem in qemu
(since the physical machine this vm was originally from was circa
2002), but how can I confirm?

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