On Mon, Oct 26, 2009 at 12:16 PM, Konstantin Svist <fry.kun@xxxxxxxxx> wrote:
> On 10/26/2009 11:32 AM, Kam Leo wrote:
>>
>> On Sat, Oct 24, 2009 at 5:12 AM, Andy Campbell
>
> [snip]
>>>
>>> [trantor] ~ $dmesg | grep ata7
>>>
>>> ata7: SATA max UDMA/133 abar m8192@0xfeafe000 port 0xfeafe100 irq 10
>>> ata7: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>>> ata7.00: ATA-8: WDC WD10EACS-00D6B1, 01.01A01, max UDMA/133
>>> ata7.00: 1953525168 sectors, multi 0: LBA48 NCQ (depth 31/32)
>>> sda:<6>ata7.00: configured for UDMA/133
>>> sde:<3>ata7.00: exception Emask 0x10 SAct 0x1 SErr 0x780100 action 0x6
>>> ata7.00: irq_stat 0x08000000
>>>
>>> ata7: SError: { UnrecovData 10B8B Dispar BadCRC Handshk }
>>
>> ^
>> |
>>
>> This says that your controller and external drive can not reliably
>> communicate at 3Gbps.
>>
>> Things to do to troubleshoot problem:
>>
>> 1. Make sure that your computer and external drive have proper
>> electrical ground. Suggest both be plugged into same electrical outlet
>> or power strip. Use a tester (it's a three prong device with three
>> indicator lights) to verify that the AC is wired correctly.
>> 2. Check your cable. Is it the proper length, in good condition,
>> making good connection, etc.?
>> 3. Exchange or replace the cable.
>> 4. Test your drive on a different computer.
>>
> [snip]
>
>
> My drives are internal SATA & I have multiple nodes all showing this
> message:
>
> Oct 25 04:30:57 rele406 kernel: ata5.01: qc timeout (cmd 0xa0)
> Oct 25 04:30:57 rele406 kernel: ata5.01: exception Emask 0x0 SAct 0x0 SErr
> 0x0 action 0x6 frozen
> Oct 25 04:30:57 rele406 kernel: ata5.01: cmd
> a0/00:00:00:00:00/00:00:00:00:00/b0 tag 0
> Oct 25 04:30:57 rele406 kernel: cdb 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00
> Oct 25 04:30:57 rele406 kernel: res
> 51/20:03:00:00:00/00:00:00:00:00/b0 Emask 0x5 (timeout)
> Oct 25 04:30:57 rele406 kernel: ata5.01: status: { DRDY ERR }
> Oct 25 04:31:02 rele406 kernel: ata5: link is slow to respond, please be
> patient (ready=0)
> Oct 25 04:31:07 rele406 kernel: ata5: device not ready (errno=-16), forcing
> hardreset
> Oct 25 04:31:07 rele406 kernel: ata5: soft resetting link
> Oct 25 04:31:07 rele406 kernel: ata5.01: configured for UDMA/33
> Oct 25 04:31:07 rele406 kernel: ata5: EH complete
>
>
> Not quite the same thing, of course.. but hoping you can tell me something
> about it.
> All drives & motheboards are same model. All are showing this error message
> at seemingly random intervals.
Insufficient data presented. I would recommend that you run the
manufacturer's disk diagnostic. (Should be on the CD that came with
the drive. If not, get it from the manufacturer's web site.) The
diagnostic will give you results that are independent of the driver in
the kernel. If no problems are found post a bug report against the
kernel.
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