I am trying to boot from a USB key by running the following command:
exec -c "console=ttyAM0,115200 root=/dev/sda1"
and my error message is:
"VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device sda1 or unknown-block (2,0)
Please append a correct "root=" boot option: here are the available partitions:
kernel panic - not syncing: VFS: unable to mount root fs on unknown-block (2,0)"
I've created a ext2 partition on sda1 with the debian system on it by executing:
> fdisk /dev/sda1
>mkfs.ext2 /dev/sda1
>mount /dev/sda1 /mnt
>tar -C /mnt -xf ./debian-sarge-udev-19-05-2009_backup.tgz
>fsck /dev/sda1
I wonder if there is something that I have to activate on my kernel
configuration to enable booting from USB flash, I am using 2.6.27.4 vanilla
kernel with Matt's patches.
Thanks a million,
Magda
-
-- In Jason Stahls <> wrote:
>
> wrote:
> > I have the exact same problem!
> >
> > Can anyone help?
>
> What command line in Redboot are you guys using, and where are you
> trying to boot from?
>
> This,
>
> Root-NFS: No NFS server available, giving up.
> > VFS: Unable to mount root fs via NFS, trying floppy.
> > VFS: Cannot open root device "usb0" or unknown-block(2,0)
> > Please append a correct "root=" boot option
> > Kernel panic - not syncing: VFS: Unable to mount root fs on
> > unknown-block(2,0)
>
>
> Tells you that it was unable to mount the root FS, this is passed to the
> kernel from reboot as root=
>
> --
> Jason Stahls
>
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