Rod Butcher wrote:

Oscar, like Mary said, it doesn't get as far as writing log messages. It
craps out when the kernel tries to read the disk. The kernel boots. Messages are displayed by sata_via correctly recognising the SATA drives and identifying them as SCSI.
The problem occurs when it tries to access the system root. Messages
are :-


VFS - Cannot open root device "sda1" or unknown-block (0,0)
Please append a correct "root=" boot option


In this case try changing "root="  to this,

"root=08:01=/"

For example, this is what I have:

If the original looks something like this:

kernel /boot/vmlinuz-2.6.9-rc3-bk1compaq ro root=LABEL=/ rhgb quite
       initrd /boot/initrd-2.6.9-rc3-bk1compaq.img

maybe changed to:

kernel /boot/vmlinuz-2.6.9-rc3-bk1compaq ro root=08:01=/ rhgb quite
       initrd /boot/initrd-2.6.9-rc3-bk1compaq.img
~

Kernel panic - unable to mount root fs on unknown-block (0,0)




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