Re: [Xen-users] GPL PV TAP cow incompatible?

[Martin KjÃr JÃrgensen <shaoh@xxxxxxx>]

I'm running Xen 3.3.1 with a patched ioemu-qemu-xen (patched with the  
qemu_disable_patches.diff patch (6 Jan 2009)) on a Debian Lenny  
machine. I've compiled Xen manually as Lenny only delivers Xen 3.2.1.
I've also tried with the official ioemu-qemu-xen but with no luck.

/Martin

Quoting Nick Couchman <Nick.Couchman@xxxxxxxxx>:

> What version of Xen are you running?  I've never been able to get
> tap:{aio,cow} to work with the GPL PV drivers under Xen 3.2.x.  However,
> James Harper has reported that they work find under Xen 3.3.x.
>
> -Nick
>
>
> -----Original Message-----
> From: Martin KjÃr JÃrgensen <shaoh@xxxxxxx>
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Cc: james.harper@xxxxxxxxxxxxxxxx
> Subject: [Xen-users] GPL PV TAP cow incompatible?
> Date: Thu, 26 Feb 2009 16:32:48 +0100
>
>
> Hi
>
> Is it true that the GPLPV drivers is incompatible with QCOW images?
>
> The Windows DomU works fine with raw standard "file:/" images, and
> paravirtualized Linux DomU works fine with QCOW and raw images.
>
> If i use QCOW images with my Windows DomU's i get a stop error:
> 0x00000007b (inaccessible boot device).
> It looks like the blkback.3.hda process, that normally starts with
> normal raw backend, doesnt get started with tap:qcow disks.
> Instead i get this repeating entry in the qemu log:
>     XenPCI     Still waiting for 2 (currently 1)...
>     XenPCI     Still waiting for 2 (currently 1)...
>     XenPCI     Still waiting for 2 (currently 1)...
>
> Any ideas?
>
> /Martin
>
>
>
>
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>
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