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ata2: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0xF008 irq 15
scsi1 : ata_piix
ata2.00: ATAPI, max UDMA/33
ata2.00: configured for UDMA/33
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: (BMDMA stat 0x24)
ata2.00: tag 0 cmd 0xa0 Emask 0x4 stat 0x40 err 0x0 (timeout)
ata2: port is slow to respond, please be patient
ata2: port failed to respond (30 secs)
ata2: soft resetting port
ata2.00: configured for UDMA/33
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: (BMDMA stat 0x24)
ata2.00: tag 0 cmd 0xa0 Emask 0x4 stat 0x40 err 0x0 (timeout)
ata2: port is slow to respond, please be patient
ata2: port failed to respond (30 secs)
ata2: soft resetting port
ata2.00: configured for UDMA/33
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: (BMDMA stat 0x24)
ata2.00: tag 0 cmd 0xa0 Emask 0x4 stat 0x40 err 0x0 (timeout)
ata2: port is slow to respond, please be patient
ata2:ata2: soft resetting port
ata2.00: configured for UDMA/33
ata2: EH complete
ata2.00: limiting speed to UDMA/25
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: (BMDMA stat 0x24)
ata2.00: tag 0 cmd 0xa0 Emask 0x4 stat 0x40 err 0x0 (timeout)
ata2: port is slow to respond, please be patient
ata2: port failed to respond (30 secs)
ata2: soft resetting port
ata2.00: configured for UDMA/25
ata2: EH complete
ACPI: PCI Interrupt 0000:00:1d.7[A] -> GSI 23 (level, low) -> IRQ 169
 port failed to respond (30 secs)