2.6.18-rc2 ATA Errors

[Parag Warudkar]

Just saw the below error in dmesg - (ATA2 is my CD burner and I wasn't doing 
anything with it as far as I remember) . Drive seems to work fine after the 
error. What does it mean?

$ dmesg |grep ata2
[    1.496000] ata2: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0xBFA8 irq 15
[    1.836000] ata2.00: ATAPI, max UDMA/33
[    2.016000] ata2.00: configured for UDMA/33
[44087.904000] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 
frozen
[44087.904000] ata2.00: tag 0 cmd 0xa0 Emask 0x2 stat 0x50 err 0x0 (HSM 
violation)
[44087.904000] ata2: soft resetting port
[44088.340000] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x1)
[44088.340000] ata2.00: revalidation failed (errno=-5)
[44088.340000] ata2: failed to recover some devices, retrying in 5 secs
[44093.344000] ata2: soft resetting port
[44093.876000] ata2.00: configured for UDMA/33
[44093.876000] ata2: EH complete
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