Soeren Sonnenburg wrote:
> Elsewise I still see the
> 
> ATA: abnormal status 0x80 on port 0x000140df
> ATA: abnormal status 0x80 on port 0x000140df
> ata1.00: configured for UDMA/33
> ata3.01: revalidation failed (errno=-2)
> ata3: failed to recover some devices, retrying in 5 secs
> ATA: abnormal status 0x7F on port 0x000140df
> ATA: abnormal status 0x7F on port 0x000140df
> ata3.01: configured for UDMA/133

I can't tell much about HPET timer, only the ATA messages.

Abnormal messages can be ignored.  Hmmm... revalidation failed without
explaining why.  Can you apply the attached patch and see whether the
added message gets printed?

-- 
tejun