RFC: ATA to CAM integration patch

[Alexander Motin]

Mike Tancsa wrote:
> No luck with an ICH10 board
> 
> I did a buildworld/kernel
> 
> 
> BTX loader 1.00  BTX version is 1.02
> Consoles: internal video/keyboard
> BIOS drive C: is disk0
> BIOS 632kB/3136000kB available memory
> 
> FreeBSD/i386 bootstrap loader, Revision 1.1
> (mdtancsa at i7.sentex.ca, Fri Jun 26 08:24:30 EDT 2009)
>  **
> 
> 28 ops  7 bypasses  93 hits  31 misses  1 flushes
> Consoles: internal video/keyboard
> BIOS drive C: is disk0
> BIOS 632kB/3136000kB available memory
> 
> FreeBSD/i386 bootstrap loader, Revision 1.1
> (mdtancsa at i7.sentex.ca, Fri Jun 26 08:24:30 EDT 2009)
> Can't work out which disk we are booting from.
> Guessed BIOS device 0xffffffff not found by probes, defaulting to disk0:
> 
> can't load 'kernel'
> 
> Type '?' for a list of commands, 'help' for more detailed help.
> OK
> 
> OK lsdev
> cd devices:
> disk devices:
>     disk0:   BIOS drive C:
> pxe devices:
> OK
> 
> 
> OK ls
> open '/' failed: input/output error
> OK
> 
> I tried with both a module and it built into the kernel
> but no luck.  putting it back into regular IDE mode allows it to boot 
> with the patched kernel

I see no any relation to the patch here. I would say it is some 
BIOS/loader problem, as kernel wasn't yet booted. Have you been ever 
able to boot this system with AHCI enabled before?

-- 
Alexander Motin