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Date: Wed, 05 Sep 2012 06:13:22 +0800
From: ching <lsching17@gmail.com>
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Subject: Re: [Qemu-devel] boot device order has no effect for virtio-scsi
 devices
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To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Eric Blake <eblake@redhat.com>, qemu-devel@nongnu.org

On 09/04/2012 07:55 PM, Eric Blake wrote:
> On 09/04/2012 04:53 AM, ching wrote:
>> On 09/04/2012 02:23 PM, Paolo Bonzini wrote:
>>> Il 04/09/2012 02:03, ching ha scritto:
>>>> i add boot order and the virtual machine still boot from hard disk instead of cd-rom
>>>>
>>>> <disk type='file' device='disk'>
>>>>       <driver name='qemu' type='raw' cache='unsafe' io='native'/>
>>>>       <source file='/Linux.raw_image'/>
>>>>       <target dev='sda' bus='scsi'/>
>>>>       <boot order='2'/>
>>>>       <address type='drive' controller='0' bus='0' target='0' unit='0'/>
>>>>     </disk>
>>>>     <disk type='file' device='cdrom'>
>>>>       <driver name='qemu' type='raw' cache='unsafe' io='native'/>
>>>>       <source file='/xubuntu-12.04-desktop-amd64.iso'/>
>>>>       <target dev='sdb' bus='scsi'/>
>>>>       <readonly/>
>>>>       <boot order='1'/>
>>>>       <address type='drive' controller='0' bus='0' target='0' unit='1'/>
>>>>     </disk>
>>>>
>>>> here is the captured command line generated by libvirt (uuid and mac address are masked)
>>> Ah, ok.  libvirt for now supports only booting from LUN 0.  You can use
>>> multiple targets instead of multiple units.
>>>
>>> Paolo
>>>
>> it works. thanks a lot.
>> hope that libvirt will document it somewhere
> Please raise this issue on the libvirt lists, then.
>

actually, why is the problem related to libvirt, not qemu, nor seabios?

libvirt has generated the qemu command line with "bootindex" already.

-device scsi-hd,bus=scsi0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0-0-0-0,id=scsi0-0-0-0,bootindex=2 -drive file=/xubuntu-12.04-desktop-amd64.iso,if=none,id=drive-scsi0-0-0-1,readonly=on,format=raw,cache=unsafe,aio=native -device
scsi-cd,bus=scsi0.0,channel=0,scsi-id=0,lun=1,drive=drive-scsi0-0-0-1,id=scsi0-0-0-1,bootindex=1