Kernel upgrade: /dev/hd* changed back to /dev/sd*, why?

[Adam Funk]

On 2007-06-11, Thilo Six wrote:

>> I just upgraded (in Feisty) linux-image-2.6.20-16-generic
>> (2.6.20-16.28) to 2.6.20-16.29, and on reboot my hard drives changed
>> from /dev/hda and hdb to /dev/sda and sdb.  At some point in the
>> recent past, they had changed from sda and sdb to hda and hdb, and for
>> no apparent reason they've changed back?  Why?
>> 
>> 
>> Also, those annoying characters in hddtemp that I can't get logcheck
>> to ignore have come back!
>> 
>> http://thread.gmane.org/gmane.linux.ubuntu.user/112243/focus=112294
>> 
>
> .29 changelog:
>    * Revert "{ata_,}piix: Consolidate PCI IDs. Move ata_piix pata IDs to
>      piix"
>
> In other words, your harddisc should now be again /dev/sd[a-z] and stay that way.

OK, thanks.