Bug 157909: Unbootable system, affects many, apparently ignored

[Phillip Susi]

Markus Hitter wrote:
> Just to understand the problem better:
> 
> Exposing SATA drives as IDE drives to the OS appears to be a  
> temporary solution until all SATA driver programmers ( Hello  
> Intel :-) ) have catched up and made an AHCI driver available. Ubuntu  
> runs in AHCI mode just fine, even on a board which lacks a proper  
> driver for Windows XP. AHCI is noticeable faster than IDE.
> 
> What stops you from switching to AHCI?

I was going to say the same thing.  Often times the IDE emulation modes 
are totally broken too.  Sometimes the bios calls it native mode vs 
emulation mode, or normal vs raid mode.