[PLUG] Kernel panic

[Aditya Godbole]

On Thu, Sep 17, 2009 at 9:21 PM, Vinay Kabra <vinaykabra87 at gmail.com> wrote:
> Hi
> I am trying compile kernel linux-2.6.15.7 on a intel dual core and intel
> core 2 duo machine. But after compilation completes i am getting following
> lines on booting :
>
> cannot open root device "<NULL>"
> Please append a correct "root=" boot option
> kernel - panic - not syncing : VFS : Unable to mount root fs on unknown
> block (253,0)
>

1. What kind of disk does your root partition reside on? If it is
SATA, make sure that the support is compiled in.
2. Make sure your grub (or lilo) entries point to the correct root partition.
3. Make sure that support for the root filesystem is compiled into your kernel.

-aditya