LFS 6.4 Portability - *** correction ***

Agathoklis D. Hatzimanikas a.hatzim at gmail.com
Fri Feb 6 03:43:16 PST 2009


On Fri, Feb 06, at 11:21 Anthony Price wrote:
> Portability
> 
> Host system Ubuntu 8.10
> Book 6.4
> 
> I am experiencing problems moving a working installation between machines.
> 
> Here's how I built the system:
> 
> On machine A
> 
> Partition disk & unstall Ubuntu
> Remove disk and install on machine B
> Build LFS
> Make this bootable
> Machine B is now dual boot Ubuntu (on sda1) and LFS on sda3
> 
> *** Move this disk back to Machine A (not B as in the original post) ***
> Ubuntu boots ok
> 
> LFS reports:
> Root-NFS: No NFS server available, giving up.
> VFS Unable to mount root fs via NFS, trying floppy
> Cannot open root device "sda3" 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)

You probably need to recompile the kernel to include the correct driver
for your controller in machine A.
In the 2.6.27 kernel series this should be included under the following
menu:

Device Drivers  ---> Serial ATA (prod) and Parallel ATA (experimental) drivers

Regards,
Ag.



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