xerces8 wrote:
>> This looks like resource conflict to me, which could have resulted
>> from ahci trying to grab all resources.  Can you please post the
>> result of "cat /proc/ioports" and "cat /proc/iomem"?
> 
> I noticed that in IDE mode the same happens (32bit kernel has problems,
> 64bit kernel has not), so here is dmesg, iomem and ioports for all 4
> combinations.

Can you please try the attached debug patch and report boot log.  All
resources look fine.

Thanks.

-- 
tejun