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Re: [Xen-users] Xen 3.4 + GPLPV + physical drive or partition

To: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-users] Xen 3.4 + GPLPV + physical drive or partition
From: Ken Cobler <kcobler@xxxxxxxxxxxxxx>
Date: Mon, 14 Dec 2009 08:03:16 -0600
Cc: Xen Users <xen-users@xxxxxxxxxxxxxxxxxxx>
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Pasi Kärkkäinen wrote:
On Mon, Dec 14, 2009 at 07:50:23AM -0600, Ken Cobler wrote:
   Pasi Kärkkäinen wrote:

 On Sun, Dec 13, 2009 at 03:32:49PM -0600, Ken Cobler wrote:


 I have an odd problem, but, easy to replicate.

 Xen 3.4 + GPLPV + Windows 2003 guest.  I've tried this on both and drivers.

 If the hard drive is an image file (loaded and set in the xen config
 file), Windows 2003 guest boots and runs great with the GPLPV drivers.

 If the hard drive is a physical drive or partition, Windows 2003 guest
 boots and runs fine with the QEMU drivers.

 If the hard drive is a physical drive or partition, Windows 2003 guest
 boots and runs with the GPLPV drivers for about 3-5 minutes. At the
 time, the entire machine locks up and I have to power cycle machine to
 recover (no mouse, or keyboard response).

 I even took the crashed Windows 2003 partition, dd copied to a file,
 setup xen to point to the image file instead of phy device.  The Windows
 2003 guest came up with the GPLPV drivers and ran great.

 Is there something else that I am not doing correct to get the Windows
 2003 guest to run stable with the GPLPV drivers on a physical partition?

 - What's your Xen version? What's your dom0 kernel version?
 - For the image file, did you use file: or tap:aio: ?
 - For the physical partition, did you use phy: ?

 And also please paste the whole /etc/xen/<guest> cfgfile.

   Xen version from xm dmesg:

   (XEN) Xen version 3.4.1_19718_04-2.1 (abuild@) (gcc version 4.4.1
   [gcc-4_4-branch revision
    150839] (SUSE Linux) ) Tue Oct 27 16:31:01 UTC 2009

   OpenSuse 11.2 dmesg out:

   [    0.000000] Linux version (geeko@buildhost) (gcc
   version 4.4.1 [gcc-4_
   4-branch revision 150839] (SUSE Linux) ) #1 SMP 2009-10-26 15:49:03 +0100


OpenSUSE 2.6.31 Xen kernel is known to have problems/bugs causing dom0
kernel crashes.

Could you try earlier (2.6.29 or 2.6.27) dom0 kernel? 

Unfortunately, no.


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