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[Qemu-devel] virtio disk

From: Hans de Bruin
Subject: [Qemu-devel] virtio disk
Date: Mon, 10 Aug 2009 21:58:15 +0200
User-agent: Thunderbird (X11/20090302)

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.

How to get my ViaC7 to run guest oses from virtio?


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