[openstack-dev] [Openstack] [Nova] Havana virtio_blk | kvm, kernel panic on VM boot
openstack at nemebean.com
Wed Mar 26 16:17:31 UTC 2014
This is a development list and your question sounds like a usage one.
Please try asking on the users list:
On 03/26/2014 04:24 AM, saurabh agarwal wrote:
> I have compiled a new linux kernel with CONFIG_VIRTIO_BLK=y. But it
> doesn't boot and kernel panics. To kernel command line i tried passing
> root=/dev/vda and root=/dev/vda1 but same kernel panic comes every time.
> VIRTIO_NET was working fine when VIRTIO_BLK was not enabled and VM
> booted up fine. But with virtio-blk i see the below kernel panic. Can
> someone please suggest what could be going wrong?
> VFS: Cannot open root device "vda" or unknown-block(253,0)^M
> Please append a correct "root=" boot option; here are the available
> fd00 8388608 vda driver: virtio_blk^M
> fd01 7340032 vda1 00000000-0000-0000-0000-000000000000^M
> fd02 512000 vda2 00000000-0000-0000-0000-000000000000^M
> fd03 535552 vda3 00000000-0000-0000-0000-000000000000^M
> Kernel panic - not syncing: VFS: Unable to mount root fs on
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