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Re: [Qemu-devel] virtio disk

From: Hans de Bruin
Subject: Re: [Qemu-devel] virtio disk
Date: Tue, 11 Aug 2009 19:13:10 +0200
User-agent: Thunderbird (X11/20090302)

Avi Kivity wrote:
> On 08/10/2009 10:58 PM, Hans de Bruin wrote:
>> I am trying to get my qemu vm to boot of 'VIRTIO_BLOCK', but am not
>> very successful. I have got two setups:
>> A two day old qemu tree from git://git.savannah.nongnu.org/qemu
>> on a jetway board with a non kvm capable via c7 proc (30W),
>> and an older qemu-kvm (kvm-88-6-g2ebe329 (10.?)) on a AMD proc (130W)
>> The AMD boots guests with virtio_block, either with the -kernel switch
>> or via the bios. The ViaC7 wil not. Nor the bios nor the kernel detect
>> the vitio block device.
>> Somewhere on the internet I found this qemu-kvm option:
>>  -drive file=vmdisk1,if=virtio,boot=on
>> This boot=on, isn't in either of the man pages. qemu doesn't accept
>> this option. qemu-kvm needs it to let the bios boot from the
>> virtio_block device. I also noticed the qemu-kvm bios has a boot menu
>> which can be accessed by F12. qemu has not.
> boot=on is in qemu-kvm.git but not in qemu.git yet.

That is clear, but with or without boot=on, the qemu tree should provide my guest with a blockdevice, which somehow I am missing. For me the solution is simple just switch to the kvm tree.

In wat way will this boot=on eventually end up in the man pages? In both trees the MAINTAINERS file does not contain a word about documentation.


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