Re: What do these SATA errors mean / kernel 2.6.25.6 (DRDY ERR/ICRC ABRT)



Justin Piszcz wrote:
Never had a single error so far, powered down my host, powered it back up,
Jun 11 05:23:24 p34 kernel: [ 67.118632] mtrr: no more MTRRs available
Jun 11 05:46:23 p34 kernel: [ 1445.288619] ata12.00: exception Emask 0x0
SAct 0x0 SErr 0x0 action 0x2
Jun 11 05:46:23 p34 kernel: [ 1445.288626] ata12.00: irq_stat
0x00060002, device error via D2H FIS
Jun 11 05:46:23 p34 kernel: [ 1445.288632] ata12.00: cmd
35/00:f8:47:dc:35/00:03:02:00:00/e0 tag 0 dma 520192 out
Jun 11 05:46:23 p34 kernel: [ 1445.288634] res
51/84:f8:47:dc:35/00:03:02:00:00/e0 Emask 0x10 (ATA bus error)
Jun 11 05:46:23 p34 kernel: [ 1445.288637] ata12.00: status: { DRDY ERR }
Jun 11 05:46:23 p34 kernel: [ 1445.288639] ata12.00: error: { ICRC ABRT }

That's your drive reporting that it saw transmission error on the wire.


Jun 11 06:00:32 p34 kernel: [ 2293.491350] ata1.00: exception Emask 0x0
SAct 0x0 SErr 0x0 action 0x2 frozen
Jun 11 06:00:32 p34 kernel: [ 2293.491360] ata1.00: cmd
35/00:02:43:90:7d/00:00:12:00:00/e0 tag 0 dma 1024 out
Jun 11 06:00:32 p34 kernel: [ 2293.491362] res
40/00:ff:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Jun 11 06:00:32 p34 kernel: [ 2293.491365] ata1.00: status: { DRDY }
Jun 11 06:00:32 p34 kernel: [ 2293.794295] ata1: soft resetting link
Jun 11 06:00:32 p34 kernel: [ 2293.947277] ata1: SATA link up 3.0 Gbps
(SStatus 123 SControl 300)

And a write command timed out which is also often caused by transmission
problems.

Nothing was broken in any of the arrays and all seems to be functioning
now but albeit at lower speeds as you see above UDMA/100 and UDMA/133.

No, according to the log, there was no slow down. Transmission speed is
lowered only after some number of errors have accumulated.

Could there be a bug with the new Veliciraptors and the drivers in the
kernel? I never saw this happen/occur with my old raptor 150s or 74s.
Also, I stress tested all of these drives for 8hours+ and they never had
a problem before so it makes the problem rather peculiar.

For SATA drives, occasional transmission problems are expected even on
otherwise pretty healthy systems. No need to worry about it too much
unless the problem repeats itself a lot.

--
tejun
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