Hai Nguyen Dang <email@example.com
> Hi All,
> I tried to compile and upgraded my Sheevaplug from kernel 2.6.38 to 2.6.39
> with my own compiled kernel, however I always got the mount root problem as
> This is a part of uBoot messages before kernel panic and hang, my SheevaPlug
> boots from USB normally with kernel 2.6.38 (I tried to compile the kernel
> 2.6.39 many times, the last time I used kirkwood_defconfig without changes
> as my kernel configuration but it doesn't work).
> usb 1-1: new high speed USB device number 2 using orion-ehci
> ata2: SATA link down (SStatus 0 SControl F300)
> Root-NFS: no NFS server address
> VFS: Unable to mount root fs via NFS, trying floppy.
> VFS: Cannot open root device "(null)" or unknown-block(2,0)
> Please append a correct "root=" boot option; here are the available
> 1f00 � � � � � �1024 mtdblock0 �(driver?)
> 1f01 � � � � � �4096 mtdblock1 �(driver?)
> 1f02 � � � � �519168 mtdblock2 �(driver?)
> Kernel panic - not syncing: VFS: Unable to mount root fs on
Can you please provide your kernel command line ? Are you booting with
an initrd ?
If you're booting without initrd, from the part of the log, an usb
devices seems to be detected but not yet probed. Maybe you're missing a
rootwait in your kernel command line or missing usb mass storage support
in your kernel ?