ata1.00: _GTF unexpected object type 0x1
ata1.00: revalidation failed (errno=-22)
ata1.00: limiting speed to UDMA/100:PIO3
ata1: failed to recover some devices, retrying in 5 secs
ata2.00: configured for DMA/33

pnp:Device 00:0c activated
sd 0:0:0:0: [sda] Starting disk
ata1.00: _GTF unexpected object type 0x1
ata1.00: ACPI on devcfg failed the second time, disabling (errno=-22)
ata1.00: revalidation failed (errno=1)
ata1.00: disabled
sd 0:0:0:0: [sda] START_STOP FAILED
sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK