Am 05.10.2011 20:54, schrieb walt:
> On 10/05/2011 06:29 AM, Michael A. Koerber wrote:
> 
>> Just tried root=PARTUUID=....  failed.  Checked my genblk.c and the
>> changes don't appear in the 2.6.36 or 2.6.39 kernels on my system.
>> When did (does) the PARTUUID syntax support get released?
> 
> This is very obscure and confusing if you don't already know the
> history of that code.
> 
> You might think, as I did, that PARTUUID stands for the UUID of the
> partition you're searching for -- not true :(
> 
> PARTUUID stands for Partition Table UUID, which is entirely different
> from a Partition UUID.  Clear as mud, eh?
> 
> Only GUID/EFI partition tables have a UUID -- not DOS partition tables.
> 
> I posted a HOWTO on the subject here:
> 
> http://www.gossamer-threads.com/lists/gentoo/user/225071
> 
> 

Ah, bummer. It even reads so in the patch I've been posting here:
* The function will return the first partition which contains a matching
* UUID value in its partition_meta_info struct.  This does not search
* by filesystem UUIDs.

Regards,
Florian Philipp