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Re: [Xen-devel] 4.7 qemu regression: HVM guests fail to boot from xvda



On Tue, May 31, George Dunlap wrote:

> On Mon, May 30, 2016 at 9:42 PM, Olaf Hering <olaf@xxxxxxxxx> wrote:
> > With staging-4.6 this domU boots from xvda, qemu creates an emulated
> > disk. With staging no disk is found, unless the name is changed to hda.
> > Looks like qemu-2.6 does not handle xvda either.
> 
> This was intentional; see this thread:
> 
> https://marc.info/?i=<1444820717-25565-1-git-send-email-anthony.perard@xxxxxxxxxx>
> 
> The idea was to make it possible to create an HVM guest with no
> emulated disks for guest booting with OVMF which contains PV drivers.

This breaks the domU becasue it changes its device names from 'xvd' to
'hd' if a xenlinux based kernel is used in domU.
In other words: every SUSE domU out there.

Olaf

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