[coreboot] Device mapping problem

Peter Stuge peter at stuge.se
Tue Mar 25 14:18:38 CET 2008

On Tue, Mar 25, 2008 at 02:03:14PM +0100, Klaus Stammermann wrote:
> > Can you send a full log?
> I changed kernel to get serial output. So it is not same error
> message but I think it is same problem. So this is my boot log:
> coreboot- Mo 10. Mär 15:34:24 CET 2008 starting...
> FILO version 0.5 (klausst at thor) Mon Mar 10 15:33:24 CET 2008
> No sound device found
> boot: hda1:/boot/vmlinuz root=/dev/hda1 console=tty0 console=ttyS0,115200
> hda: LBA 2049MB: SanDisk SDCFX-2048

FILO finds your CF.

> Mounted ext2fs
> Found Linux version (geeko at buildhost) #1 SMP Mon Nov
> 27 11:46:27 UTC 2006 bzImage.
> Loading kernel... ok
> Jumping to entry point...
> Linux version (geeko at buildhost) (gcc version 4.1.2
> 20061115 (prerelease) (SUSE Linux)) #1 SMP Mon Nov 27 11:46:27 UTC 2006
> VFS: Cannot open root device "hda1" or unknown-block(0,0)
> Please append a correct "root=" boot option
> Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

But the IDE controller and CF card is not found by the kernel. It
does not even look for them. Please make sure you use a kernel which
has built-in support for whatever hardware you need in order to boot
your system, unless you also specify a ramdisk that FILO should load.


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