[Xen-users] Xen 3.1 DVD writer usage

[afoo <afoo42@xxxxxxxxx>]

Hello list,

I have a problem trying to get my DVD-RAM writer to work for a particular domU
on my Xen 3.1 system. The domU boots fine, xend.log shows createDevice and
DevController entries for the device and xm list --long shows the device, too,
yet I can not access the device from inside the domU. When I try to
mount it, the
following happens:

mount: /dev/hdc is not a valid block device

or a variation thereof, see below.

I tried several things in the domu.cfg file's disk stanza:

'phy:/dev/hda:hda:cdrom,w',
'phy:hda:sdb,w'

and I think every combination thereof (like 'phy:/dev/hda:sdb:cdrom,w'
and so on).
The problem presents itself in the same way every time.

I am using the Xen 3.1 hypervisor from Debian etch backports with a
self-compiled/patched 2.6.18 Linux kernel. I also tried compiling a domU kernel
with everything relevant compiled in. I even tried booting the domU with and
without udev.

Any hints on what I am doing wrong?

Cheers,

Jan

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