[Bug 14831] mptsas - Use of ATA command pass-through results in unreliable operation - drive / controller resets

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=14831





--- Comment #12 from bpkroth@gmail.com  2010-03-30 14:52:52 ---
I'm also seeing the problem, also on a Dell server.  I'm running Debian
Squeeze.  I didn't see this issue with 2.6.29.

# cat /proc/mpt/summary 
ioc0: LSISAS1068E B3, FwRev=00192f00h, Ports=1, MaxQ=266, IRQ=32

# uname -a
Linux oberon 2.6.32-3-amd64 #1 SMP Wed Feb 24 18:07:42 UTC 2010 x86_64
GNU/Linux

# dmesg | egrep -i 'scsi 0.*(wdc|samsung)'
[   18.427778] scsi 0:0:0:0: Direct-Access     ATA      WDC WD1602ABKS-1 3B04
PQ: 0 ANSI: 5
[   18.432650] scsi 0:0:1:0: Direct-Access     ATA      WDC WD1602ABKS-1 3B04
PQ: 0 ANSI: 5
[   18.448696] scsi 0:0:2:0: Direct-Access     ATA      SAMSUNG HD103UJ  1118
PQ: 0 ANSI: 5
[   18.464756] scsi 0:0:3:0: Direct-Access     ATA      SAMSUNG HD103UJ  1118
PQ: 0 ANSI: 5
[   18.480824] scsi 0:0:4:0: Direct-Access     ATA      SAMSUNG HD103UJ  1118
PQ: 0 ANSI: 5
[   18.496910] scsi 0:0:5:0: Direct-Access     ATA      SAMSUNG HD103UJ  1118
PQ: 0 ANSI: 5

Please let me know if you need any additional information.  I would like to be
able to know when my drives are starting to have issues so I can replace them
before it causes major problems.  Right now I can't issue SMART queries without
it throwing the disks from the md.

Thanks,
Brian

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