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Date: Sun, 09 Jun 2013 04:10:18 -0400
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] RFH: boot from virtio cdrom?
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To: Laszlo Ersek <lersek@redhat.com>
Cc: qemu-devel@nongnu.org, Gerd Hoffmann <kraxel@redhat.com>, Philipp Hahn <hahn@univention.de>

Il 07/06/2013 03:02, Laszlo Ersek ha scritto:
>>> >> I'm using libvirt to manage my VMs and configured one VM to boot from
>>> >> a CDROM connected via virtio. This does neither work with QEMU-1.1.2
>>> >> nor with QEMU-1.5; neither with SeaBIOS is 1.7.0 nor 1.7.2.
>> > 
>> > Doesn't work with virtio-blk, virtio-scsi can handle that just fine though.
> ... just make sure your installer media has immediate support for
> virtio-scsi (or, in case of Windows, at least access to a driver disk,
> but "virtio-win-0.1-30.iso" in your command line implied that). Example:
> <https://bugzilla.redhat.com/show_bug.cgi?id=864012>.

... and that driver disk probably should be on an IDE drive, otherwise
you have a chicken-and-egg problem (you need the drivers to load the
drivers).

Paolo