Seagate disk freeze for 30 seconds then comes back (RecovComm10B8B)

[Catalin(ux) M. BOIE]

Hello!

I have a ST9160821AS drive, firmware 3.BHE, and I experience some seldom 
problems with it. It is in a HP 6715s HP laptop, kernel 2.6.27.5.

The error message is:
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x80002 action 0x6 frozen
ata1: SError: { RecovComm 10B8B }
ata1.00: cmd ca/00:f8:11:b8:38/00:00:00:00:00/ec tag 0 dma 126976 out
res 40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
ata1.00: status: { DRDY }
ata1: hard resetting link
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: SB600 AHCI: limiting to 255 sectors per cmd
ata1.00: SB600 AHCI: limiting to 255 sectors per cmd
ata1.00: configured for UDMA/100
ata1: EH complete
sd 0:0:0:0: [sda] 312581808 512-byte hardware sectors (160042 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA

When it happens, the system freezes for around 30 seconds.

Seagate told me that there is no firmware update for this drive.

Please, let me know if it is a software issue.

Thank you very much!

--
Catalin(ux) M. BOIE
http://kernel.embedromix.ro/
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