On 09/21/2009 04:26 AM, Chris Webb wrote:
On another machine, I saw this with write caching turned off:
ata2.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x6 frozen
ata2.00: cmd 61/08:00:28:1f:80/00:00:00:00:00/40 tag 0 ncq 4096 out
res 40/00:00:40:1f:80/00:00:00:00:00/40 Emask 0x4 (timeout)
ata2.00: status: { DRDY }
ata2: hard resetting link
ata2: softreset failed (device not ready)
ata2: hard resetting link
ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata2.00: configured for UDMA/133
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x6 frozen
ata2.00: cmd 61/08:00:28:1f:80/00:00:00:00:00/40 tag 0 ncq 4096 out
res 40/00:00:20:1f:80/00:00:00:00:00/40 Emask 0x4 (timeout)
ata2.00: status: { DRDY }
ata2: hard resetting link
ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata2.00: qc timeout (cmd 0xef)
ata2.00: failed to set xfermode (err_mask=0x4)
ata2: hard resetting link
ata2: softreset failed (device not ready)
ata2: hard resetting link
ata2: softreset failed (device not ready)
ata2: hard resetting link
ata2: link is slow to respond, please be patient (ready=0)
ata2: softreset failed (device not ready)
ata2: limiting SATA link speed to 1.5 Gbps
ata2: hard resetting link
ata2: softreset failed (device not ready)
ata2: reset failed, giving up
ata2.00: disabled
Basically an NCQ command timed out, then the drive basically stopped
talking to the controller even after banging on it with multiple resets.
That failure especially looks suspicious of some kind of hardware issue..
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