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* Kernel 2.6.23.9 / P35 Chipset + WD 750GB Drives (reset port)
@ 2007-12-01 11:26 Justin Piszcz
  2007-12-01 12:13 ` Jan Engelhardt
  2007-12-06 22:00 ` Andrew Morton
  0 siblings, 2 replies; 13+ messages in thread
From: Justin Piszcz @ 2007-12-01 11:26 UTC (permalink / raw)
  To: linux-kernel, linux-raid, linux-ide; +Cc: apiszcz

I am putting a new machine together and I have dual raptor raid 1 for the 
root, which works just fine under all stress tests.

Then I have the WD 750 GiB drive (not RE2, desktop ones for ~150-160 on 
sale now adays):

I ran the following:

dd if=/dev/zero of=/dev/sdc
dd if=/dev/zero of=/dev/sdd
dd if=/dev/zero of=/dev/sde

(as it is always a very good idea to do this with any new disk)

And sometime along the way(?) (i had gone to sleep and let it run), this 
occurred:

[42880.680144] ata3.00: exception Emask 0x10 SAct 0x0 SErr 0x4010000 
action 0x2 frozen
[42880.680231] ata3.00: irq_stat 0x00400040, connection status changed
[42880.680290] ata3.00: cmd ec/00:00:00:00:00/00:00:00:00:00/00 tag 0 cdb 
0x0 data 512 in
[42880.680292]          res 40/00:ac:d8:64:54/00:00:57:00:00/40 Emask 0x10 
(ATA bus error)
[42881.841899] ata3: soft resetting port
[42885.966320] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[42915.919042] ata3.00: qc timeout (cmd 0xec)
[42915.919094] ata3.00: failed to IDENTIFY (I/O error, err_mask=0x5)
[42915.919149] ata3.00: revalidation failed (errno=-5)
[42915.919206] ata3: failed to recover some devices, retrying in 5 secs
[42920.912458] ata3: hard resetting port
[42926.411363] ata3: port is slow to respond, please be patient (Status 
0x80)
[42930.943080] ata3: COMRESET failed (errno=-16)
[42930.943130] ata3: hard resetting port
[42931.399628] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[42931.413523] ata3.00: configured for UDMA/133
[42931.413586] ata3: EH pending after completion, repeating EH (cnt=4)
[42931.413655] ata3: EH complete
[42931.413719] sd 2:0:0:0: [sdc] 1465149168 512-byte hardware sectors 
(750156 MB)
[42931.413809] sd 2:0:0:0: [sdc] Write Protect is off
[42931.413856] sd 2:0:0:0: [sdc] Mode Sense: 00 3a 00 00
[42931.413867] sd 2:0:0:0: [sdc] Write cache: enabled, read cache: 
enabled, doesn't support DPO or FUA

Usually when I see this sort of thing with another box I have full of 
raptors, it was due to a bad raptor and I never saw it again after I 
replaced the disk that it happened on, but that was using the Intel P965 
chipset.

For this board, it is a Gigabyte GSP-P35-DS4 (Rev 2.0) and I have all of 
the drives (2 raptors, 3 750s connected to the Intel ICH9 Southbridge).

I am going to do some further testing but does this indicate a bad drive? 
Bad cable?  Bad connector?

As you can see above, /dev/sdc stopped responding for a little bit and 
then the kernel reset the port.

Why is this though?  What is the likely root cause?  Should I replace the 
drive?  Obviously this is not normal and cannot be good at all, the idea 
is to put these drives in a RAID5 and if one is going to timeout that is 
going to cause the array to go degraded and thus be worthless in a raid5 
configuration.

Can anyone offer any insight here?

Thank you,

Justin.

^ permalink raw reply	[flat|nested] 13+ messages in thread

end of thread, other threads:[~2007-12-13 22:10 UTC | newest]

Thread overview: 13+ messages (download: mbox.gz / follow: Atom feed)
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2007-12-01 20:08 ` Kernel 2.6.23.9 / P35 Chipset + WD 750GB Drives (reset port) Robert Hancock
     [not found] ` <fa.YIWyRfjQw18aIH2fKaze37Gwuzo@ifi.uio.no>
     [not found]   ` <fa.ib4H8TQ3raADIWdsEBy+eSL/1RU@ifi.uio.no>
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     [not found]         ` <fa.YpQ6xCPOijQOCKsLJr1SDINFURI@ifi.uio.no>
2007-12-05  1:26           ` Robert Hancock
2007-12-01 11:26 Justin Piszcz
2007-12-01 12:13 ` Jan Engelhardt
2007-12-01 12:23   ` Justin Piszcz
     [not found]     ` <20071201174733.646a5c35@absurd>
     [not found]       ` <Pine.LNX.4.64.0712011155110.6257@p34.internal.lan>
2007-12-02  9:11         ` Justin Piszcz
2007-12-10  8:23           ` Tejun Heo
2007-12-01 18:44   ` Bill Davidsen
2007-12-10  8:14     ` Tejun Heo
2007-12-13 22:27       ` Bill Davidsen
2007-12-06 22:00 ` Andrew Morton
2007-12-06 22:38   ` Justin Piszcz
2007-12-06 23:05     ` Andrew Morton

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