From: Paolo Bonzini <pbonzini@redhat.com>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: Daniel Guillermo Bareiro <daniel-listas@gmx.net>, kvm@vger.kernel.org
Subject: Re: Unable to boot from SCSI disk
Date: Tue, 28 May 2013 10:55:46 +0200 [thread overview]
Message-ID: <51A47112.5020904@redhat.com> (raw)
In-Reply-To: <51A3CF36.6030605@msgid.tls.msk.ru>
Il 27/05/2013 23:25, Michael Tokarev ha scritto:
> 28.05.2013 00:59, Paolo Bonzini wrote:
>
> Thank you Paolo for forwarding this email to me.
>
>> Il 27/05/2013 22:53, Daniel Guillermo Bareiro ha scritto:
>>> Hi all!
>>>
>>> I'm trying libvirt and virt-manager and I found that if I install a
>>> virtual machine with SCSI disks, the installation is done without
>>> problems but when it boots, it is unable to boot from these disks. If I
>>> use bus=sata or bus=virtio, this problem does not happen.
>>
>> The default SCSI controller is buggy. Try using a newer model if
>> available on your qemu-kvm version, for example virtio-scsi (CCing the
>> Debian maintainer).
>
> Well, it isn't really that lsi emulation is _that_ buggy. It is
> enough for some stuff. But..
>
>> What is the version of SeaBIOS?
>
> but it is wheezy, which ships with seabios 1.7.0, which does not
> have scsi boot support. So in order to boot from scsi, you have
> to use old ,boot=on device property, which has been forward-ported
> from older qemu-kvm version to 1.1 version used on debian, because
> it was the only way at that time to boot from an scsi disk without
> resorting to using proprietary firmware.
Why don't you forward port the SCSI boot patches?
> So, boot=on as the drive property should do the trick. But I'm not
> sure it is supported under libvirt.
No, it's not.
Paolo
next prev parent reply other threads:[~2013-05-28 8:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-27 20:53 Unable to boot from SCSI disk Daniel Guillermo Bareiro
2013-05-27 20:59 ` Paolo Bonzini
2013-05-27 21:25 ` Michael Tokarev
2013-05-28 7:07 ` Michael Tokarev
2013-05-28 8:55 ` Paolo Bonzini [this message]
2013-05-28 9:59 ` Michael Tokarev
-- strict thread matches above, loose matches on Subject: below --
2013-05-29 11:11 Daniel Guillermo Bareiro
2013-05-30 12:59 ` Alexandre DERUMIER
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