Re: External eSATA drive downgraded to 1.5Gbs

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Konstantin Svist 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



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.


I would have to find a copy of my old logs but I seem to remember this issue on my old computer and the newer drives with the controller. I bounced my head around this for ages.

I found an updated firmware driver for the controller, not official, that improved the operation but didn't fix the error messages. I then got a PCI SATA card that fixed the problem. My motherboard died a few weeks later from capacitor rot.

I would check for a new firmware for the controller and see if that fixes the problem. Note, my ASUS bios didn't update the firmware as it was separate from the BIOS.

I did a quick search on the JMicron JMB361 and noticed that there were many people having issues when this chip first came out. Some of the problems seem to depended on the motherboard.

--
Robin Laing

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