On Sat, 1 Dec 2007 06:26:08 -0500 (EST) Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> wrote: > 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 Gee we're seeing a lot of these lately. > [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? It would be interesting to try 2.6.21 or 2.6.22. - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
