[Lguest] question about lguest inside kvm

Rusty Russell rusty at rustcorp.com.au
Thu Jul 28 09:04:18 EST 2011


On Wed, 27 Jul 2011 21:54:06 +0300, Stefanos Geraggelos <sgerag at cslab.ece.ntua.gr> wrote:
> Though I have another problem (probably it is caused by my mistake). I
> created an image as you describe in Documentation/lguest/lguest.txt (the
> cd image part, the link of xm-test is down :) ) and then this panic comes:
> 
> 
> root at kvm-cslab:/home/sgerag/linux-2.6.38.8/Documentation/lguest#
> ./lguest 64m ../../vmlinux --block=/home/sgerag/rootfile
> root=/dev/vda|tail -n 15
> lguest: CRASH: VFS: Unable to mount root fs on unknown-block(254,0)
> [    0.756407] Initalizing network drop monitor service
> [    0.764113] List of all partitions:
> [    0.764113] fe00         2097152 vda  driver: virtio_blk
> [    0.789100]   fe01         2095104 vda1
> 00000000-0000-0000-0000-000000000vda1
> [    0.789100] No filesystem could mount root, tried:  ext2

Try root=/dev/vda1 instead of root=/dev/vda ?

Also, make sure that it is ext2, since that's the only filesystem you
seem to have built-in.

Cheers,
Rusty.


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