On Tue, Jul 05, 2011 at 01:12:02AM +0200, David Lamparter wrote:
> Hi,
>
>
> since updating from some 2.6.35 (or 2.6.37?**) stable version to 2.6.39.1,
> i can't seem to run extended SMART diagnostics reliably anymore. When I
> try to run a test, it starts fine but after a while (seems random, note
> the timestamps - tests started simultaneously) I get:
>
> [464527.840069] ata8.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> [464527.840083] ata8.00: failed command: SMART
> [464527.840100] ata8.00: cmd b0/d5:01:09:4f:c2/00:00:00:00:00/00 tag 0 pio 512 in
> [464527.840103] res 40/00:00:06:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
> [464527.840111] ata8.00: status: { DRDY }
> [464527.840125] ata8: hard resetting link
> [464527.840131] ata8: nv: skipping hardreset on occupied port
> [464528.308061] ata8: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> [464528.348422] ata8.00: configured for UDMA/133
> [464528.348481] ata8: EH complete
> ... later ...
> [472205.856077] ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> [472205.856091] ata4.00: failed command: SMART
> (+ same as above)
> [477245.856074] ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> [477245.856089] ata5.00: failed command: SMART
> (+ same as above)
>
> Of 6 identical disks,
> - 3 completed the test successfully
> - one reports "Extended offline Interrupted (host reset)" w/ 90% left
> - one reports same w/ 40% left
> - one reports same w/ 10% left
> (matches up with the times, they're all WDC WD10EACS-00D6B1 that take
> 255 minutes = 15300 sec to complete the extended test routine.)
>
> There are no problems in regular operation, no other exceptions in my
> current dmesg either. SMART info from the disks looks okay as well.
>
> Any ideas? Known regression? Sadly I'm not sure whether it worked on
> 2.6.37, I think I last ran extended tests on 2.6.35 and that went OK.
Forgot link to hardware info - http://nopaste.info/7d79ff3679.html in
case it's relevant...
-David (Cc please, not subscribed)
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