I suspect the seagates are operating outside of their defined maximum
current draws. I don't really have the equipment to measure this
properly though.

The problem with RAID is that when syncing up writes, a simultaneous
cache flush is done, and this is suspected to cause a spike in power
draw and presumably a drive isn't getting what it needs and "funny"
errors crop up.

Switching to a single 12V raile (max 50A) seems to have helped.
Doesn't really make sense, drive has max 2A draw, but its hard to
ignore the fact that it appears to make a difference...

Of course, only had these issues with seagate barracuda lp 2tb drives
so far (only seagate drives I have); sata2 variant of the drives.

If you can rig it, try to run the drives off a diff psu and see if
that works??? Definitely less than ideal....




On 2011-04-01, Vasco <email address hidden> wrote:
>> Add to your boot params: libata.force=noncq
>> It's not a guarantee to work, just helps quite a bit.
> Reading the comments above I dont see this helping much.
>
>>
>> Also are you running in any sort of RAID configuration?
> Yes, I am. I have four disks attached to the controller; on each pair
> of disks two partitions are in a RAID 1.
>
>> I found a new PSU
>> helped a little as well, had very few incidents up until yesterday...
> I dont see a reason to assume this is related to the PSU. This very
> thread more or less proves this is a either a bug in linux kernel or
> in firmware/hardware.
>
>> I still blame Seagate drives as being part of the problem.
> I just checked and it turns out I do actually have two Seagate
> Barracuda 7200.10 disks (I thought I had only Samsung). And it is
> indeed one of those that is causing problems. This is interesting.
>
>>
>> On Thu, Mar 31, 2011 at 14:36, Vasco <email address hidden> wrote:
>>
>>> I can confirm this bug as well. I also have a Gigabyte mainbord with the
>>> SB700/800 chipset. I have no option to disable NCQ.
>>>
>>> System is running Ubuntu kernel 2.6.32-30-generic
>>>
>>> --
>>> You received this bug notification because you are a direct subscriber
>>> of the bug.
>>> https://bugs.launchpad.net/bugs/550559
>>>
>>> Title:
>>>  hdd problems, failed command: READ FPDMA QUEUED
>>>
>>> Status in Ubuntu:
>>>  Confirmed
>>>
>>> Bug description:
>>>  Hello!
>>>
>>>  I have a brand new computer. With a SSD device and a SATA hard drive,
>>>  a Seagate Barracuda XT specifically 6Gb / s of 2TB. The latter is
>>>  connected to a Marvell 9123 controller that I set AHCI mode in BIOS.
>>>
>>>  I have the OS installed on the SSD device, but when you try to read
>>>  the disc 2TB gives several bugs.
>>>
>>>  I tried to change the disk to another controller and gives the same
>>>  problem, I even removed the disk partition table, having the same
>>>  fate.
>>>
>>>  I checked the disc for flaws from Windows with hd tune and
>>>  verification tool official record, and does not give me any errors.
>>>
>>>  I have tested with kernel version 2.6.34-rc2 and it works properly
>>>  with this disc.
>>>
>>>  The errors given are the following:
>>>
>>>  [    9.115544] ata9: exception Emask 0x0 SAct 0xf SErr 0x0 action 0x10
>>> frozen
>>>  [    9.115550] ata9.00: failed command: READ FPDMA QUEUED
>>>  [    9.115556] ata9.00: cmd 60/04:00:d4:82:85/00:00:1f:00:00/40 tag 0
>>> ncq
>>> 2048 in
>>>  [    9.115557]          res 40/00:18:d3:82:85/00:00:1f:00:00/40 Emask
>>> 0x4
>>> (timeout)
>>>  [    9.115560] ata9.00: status: { DRDY }
>>>  [    9.115562] ata9.00: failed command: READ FPDMA QUEUED
>>>  [    9.115568] ata9.00: cmd 60/01:08:d1:82:85/00:00:1f:00:00/40 tag 1
>>> ncq
>>> 512 in
>>>  [    9.115569]          res 40/00:18:d3:82:85/00:00:1f:00:00/40 Emask
>>> 0x4
>>> (timeout)
>>>  [    9.115572] ata9.00: status: { DRDY }
>>>  [    9.115574] ata9.00: failed command: READ FPDMA QUEUED
>>>  [    9.115579] ata9.00: cmd 60/01:10:d2:82:85/00:00:1f:00:00/40 tag 2
>>> ncq
>>> 512 in
>>>  [    9.115581]          res 40/00:18:d3:82:85/00:00:1f:00:00/40 Emask
>>> 0x4
>>> (timeout)
>>>  [    9.115583] ata9.00: status: { DRDY }
>>>  [    9.115586] ata9.00: failed command: READ FPDMA QUEUED
>>>  [    9.115591] ata9.00: cmd 60/01:18:d3:82:85/00:00:1f:00:00/40 tag 3
>>> ncq
>>> 512 in
>>>  [    9.115592]          res 40/00:18:d3:82:85/00:00:1f:00:00/40 Emask
>>> 0x4
>>> (timeout)
>>>  [    9.115595] ata9.00: status: { DRDY }
>>>  [    9.115609] sd 8:0:0:0: [sdb] Result: hostbyte=DID_OK
>>> driverbyte=DRIVER_SENSE
>>>  [    9.115612] sd 8:0:0:0: [sdb] Sense Key : Aborted Command [current]
>>> [descriptor]
>>>  [    9.115616] Descriptor sense data with sense descriptors (in hex):
>>>  [    9.115618]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
>>>  [    9.115626]         1f 85 82 d3
>>>  [    9.115629] sd 8:0:0:0: [sdb] Add. Sense: No additional sense
>>> information
>>>  [    9.115633] sd 8:0:0:0: [sdb] CDB: Read(10): 28 00 1f 85 82 d4 00 00
>>> 04
>>> 00
>>>  [    9.115640] end_request: I/O error, dev sdb, sector 528843476
>>>  [    9.115643] __ratelimit: 18 callbacks suppressed
>>>  [    9.115646] Buffer I/O error on device sdb2, logical block 317299556
>>>  [    9.115649] Buffer I/O error on device sdb2, logical block 317299557
>>>  [    9.115652] Buffer I/O error on device sdb2, logical block 317299558
>>>  [    9.115655] Buffer I/O error on device sdb2, logical block 317299559
>>>  [    9.115671] sd 8:0:0:0: [sdb] Result: hostbyte=DID_OK
>>> driverbyte=DRIVER_SENSE
>>>  [    9.115674] sd 8:0:0:0: [sdb] Sense Key : Aborted Command [current]
>>> [descriptor]
>>>  [    9.115678] Descriptor sense data with sense descriptors (in hex):
>>>  [    9.115679]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
>>>  [    9.115687]         1f 85 82 d3
>>>  [    9.115690] sd 8:0:0:0: [sdb] Add. Sense: No additional sense
>>> information
>>>  [    9.115693] sd 8:0:0:0: [sdb] CDB: Read(10): 28 00 1f 85 82 d1 00 00
>>> 01
>>> 00
>>>  [    9.115700] end_request: I/O error, dev sdb, sector 528843473
>>>  [    9.115702] Buffer I/O error on device sdb2, logical block 317299553
>>>  [    9.115707] sd 8:0:0:0: [sdb] Result: hostbyte=DID_OK
>>> driverbyte=DRIVER_SENSE
>>>  [    9.115710] sd 8:0:0:0: [sdb] Sense Key : Aborted Command [current]
>>> [descriptor]
>>>  [    9.115714] Descriptor sense data with sense descriptors (in hex):
>>>  [    9.115716]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
>>>  [    9.115723]         1f 85 82 d3
>>>  [    9.115726] sd 8:0:0:0: [sdb] Add. Sense: No additional sense
>>> information
>>>  [    9.115729] sd 8:0:0:0: [sdb] CDB: Read(10): 28 00 1f 85 82 d2 00 00
>>> 01
>>> 00
>>>  [    9.115736] end_request: I/O error, dev sdb, sector 528843474
>>>  [    9.115738] Buffer I/O error on device sdb2, logical block 317299554
>>>  [    9.115743] sd 8:0:0:0: [sdb] Result: hostbyte=DID_OK
>>> driverbyte=DRIVER_SENSE
>>>  [    9.115746] sd 8:0:0:0: [sdb] Sense Key : Aborted Command [current]
>>> [descriptor]
>>>  [    9.115749] Descriptor sense data with sense descriptors (in hex):
>>>  [    9.115751]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
>>>  [    9.115759]         1f 85 82 d3
>>>  [    9.115762] sd 8:0:0:0: [sdb] Add. Sense: No additional sense
>>> information
>>>  [    9.115765] sd 8:0:0:0: [sdb] CDB: Read(10): 28 00 1f 85 82 d3 00 00
>>> 01
>>> 00
>>>  [    9.115771] end_request: I/O error, dev sdb, sector 528843475
>>>  [    9.115774] Buffer I/O error on device sdb2, logical block 317299555
>>>  [   16.243531] sd 8:0:0:0: timing out command, waited 7s
>>>  [   23.241557] sd 8:0:0:0: timing out command, waited 7s
>>>
>>>
>>>  lsb_release -rd
>>>  Description:  Ubuntu lucid (development branch)
>>>  Release:      10.04
>>>  ignasi@ignasi-desktop:~$
>>>
>>>  ProblemType: Bug
>>>  DistroRelease: Ubuntu 10.04
>>>  Package: yelp 2.29.5-0ubuntu3
>>>  ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
>>>  Uname: Linux 2.6.32-17-generic x86_64
>>>  NonfreeKernelModules: nvidia
>>>  Architecture: amd64
>>>  Date: Mon Mar 29 01:06:27 2010
>>>  ExecutablePath: /usr/bin/yelp
>>>  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
>>>  ProcEnviron:
>>>   LANG=ca_ES.utf8
>>>   SHELL=/bin/bash
>>>  SourcePackage: yelp
>>>
>>> To unsubscribe from this bug, go to:
>>> https://bugs.launchpad.net/ubuntu/+bug/550559/+subscribe
>>>
>>
>> --
>> You received this bug notification because you are a direct subscriber
>> of the bug.
>> https://bugs.launchpad.net/bugs/550559
>>
>> Title:
>>  hdd problems, failed command: READ FPDMA QUEUED
>>
>> Status in Ubuntu:
>>  Confirmed
>>
>> Bug description:
>>  Hello!
>>
>>  I have a brand new computer. With a SSD device and a SATA hard drive,
>>  a Seagate Barracuda XT specifically 6Gb / s of 2TB. The latter is
>>  connected to a Marvell 9123 controller that I set AHCI mode in BIOS.
>>
>>  I have the OS installed on the SSD device, but when you try to read
>>  the disc 2TB gives several bugs.
>>
>>  I tried to change the disk to another controller and gives the same
>>  problem, I even removed the disk partition table, having the same
>>  fate.
>>
>>  I checked the disc for flaws from Windows with hd tune and
>>  verification tool official record, and does not give me any errors.
>>
>>  I have tested with kernel version 2.6.34-rc2 and it works properly
>>  with this disc.
>>
>>  The errors given are the following:
>>
>>  [    9.115544] ata9: exception Emask 0x0 SAct 0xf SErr 0x0 action 0x10
>> frozen
>>  [    9.115550] ata9.00: failed command: READ FPDMA QUEUED
>>  [    9.115556] ata9.00: cmd 60/04:00:d4:82:85/00:00:1f:00:00/40 tag 0 ncq
>> 2048 in
>>  [    9.115557]          res 40/00:18:d3:82:85/00:00:1f:00:00/40 Emask 0x4
>> (timeout)
>>  [    9.115560] ata9.00: status: { DRDY }
>>  [    9.115562] ata9.00: failed command: READ FPDMA QUEUED
>>  [    9.115568] ata9.00: cmd 60/01:08:d1:82:85/00:00:1f:00:00/40 tag 1 ncq
>> 512 in
>>  [    9.115569]          res 40/00:18:d3:82:85/00:00:1f:00:00/40 Emask 0x4
>> (timeout)
>>  [    9.115572] ata9.00: status: { DRDY }
>>  [    9.115574] ata9.00: failed command: READ FPDMA QUEUED
>>  [    9.115579] ata9.00: cmd 60/01:10:d2:82:85/00:00:1f:00:00/40 tag 2 ncq
>> 512 in
>>  [    9.115581]          res 40/00:18:d3:82:85/00:00:1f:00:00/40 Emask 0x4
>> (timeout)
>>  [    9.115583] ata9.00: status: { DRDY }
>>  [    9.115586] ata9.00: failed command: READ FPDMA QUEUED
>>  [    9.115591] ata9.00: cmd 60/01:18:d3:82:85/00:00:1f:00:00/40 tag 3 ncq
>> 512 in
>>  [    9.115592]          res 40/00:18:d3:82:85/00:00:1f:00:00/40 Emask 0x4
>> (timeout)
>>  [    9.115595] ata9.00: status: { DRDY }
>>  [    9.115609] sd 8:0:0:0: [sdb] Result: hostbyte=DID_OK
>> driverbyte=DRIVER_SENSE
>>  [    9.115612] sd 8:0:0:0: [sdb] Sense Key : Aborted Command [current]
>> [descriptor]
>>  [    9.115616] Descriptor sense data with sense descriptors (in hex):
>>  [    9.115618]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
>>  [    9.115626]         1f 85 82 d3
>>  [    9.115629] sd 8:0:0:0: [sdb] Add. Sense: No additional sense
>> information
>>  [    9.115633] sd 8:0:0:0: [sdb] CDB: Read(10): 28 00 1f 85 82 d4 00 00
>> 04 00
>>  [    9.115640] end_request: I/O error, dev sdb, sector 528843476
>>  [    9.115643] __ratelimit: 18 callbacks suppressed
>>  [    9.115646] Buffer I/O error on device sdb2, logical block 317299556
>>  [    9.115649] Buffer I/O error on device sdb2, logical block 317299557
>>  [    9.115652] Buffer I/O error on device sdb2, logical block 317299558
>>  [    9.115655] Buffer I/O error on device sdb2, logical block 317299559
>>  [    9.115671] sd 8:0:0:0: [sdb] Result: hostbyte=DID_OK
>> driverbyte=DRIVER_SENSE
>>  [    9.115674] sd 8:0:0:0: [sdb] Sense Key : Aborted Command [current]
>> [descriptor]
>>  [    9.115678] Descriptor sense data with sense descriptors (in hex):
>>  [    9.115679]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
>>  [    9.115687]         1f 85 82 d3
>>  [    9.115690] sd 8:0:0:0: [sdb] Add. Sense: No additional sense
>> information
>>  [    9.115693] sd 8:0:0:0: [sdb] CDB: Read(10): 28 00 1f 85 82 d1 00 00
>> 01 00
>>  [    9.115700] end_request: I/O error, dev sdb, sector 528843473
>>  [    9.115702] Buffer I/O error on device sdb2, logical block 317299553
>>  [    9.115707] sd 8:0:0:0: [sdb] Result: hostbyte=DID_OK
>> driverbyte=DRIVER_SENSE
>>  [    9.115710] sd 8:0:0:0: [sdb] Sense Key : Aborted Command [current]
>> [descriptor]
>>  [    9.115714] Descriptor sense data with sense descriptors (in hex):
>>  [    9.115716]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
>>  [    9.115723]         1f 85 82 d3
>>  [    9.115726] sd 8:0:0:0: [sdb] Add. Sense: No additional sense
>> information
>>  [    9.115729] sd 8:0:0:0: [sdb] CDB: Read(10): 28 00 1f 85 82 d2 00 00
>> 01 00
>>  [    9.115736] end_request: I/O error, dev sdb, sector 528843474
>>  [    9.115738] Buffer I/O error on device sdb2, logical block 317299554
>>  [    9.115743] sd 8:0:0:0: [sdb] Result: hostbyte=DID_OK
>> driverbyte=DRIVER_SENSE
>>  [    9.115746] sd 8:0:0:0: [sdb] Sense Key : Aborted Command [current]
>> [descriptor]
>>  [    9.115749] Descriptor sense data with sense descriptors (in hex):
>>  [    9.115751]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
>>  [    9.115759]         1f 85 82 d3
>>  [    9.115762] sd 8:0:0:0: [sdb] Add. Sense: No additional sense
>> information
>>  [    9.115765] sd 8:0:0:0: [sdb] CDB: Read(10): 28 00 1f 85 82 d3 00 00
>> 01 00
>>  [    9.115771] end_request: I/O error, dev sdb, sector 528843475
>>  [    9.115774] Buffer I/O error on device sdb2, logical block 317299555
>>  [   16.243531] sd 8:0:0:0: timing out command, waited 7s
>>  [   23.241557] sd 8:0:0:0: timing out command, waited 7s
>>
>>
>>  lsb_release -rd
>>  Description:  Ubuntu lucid (development branch)
>>  Release:      10.04
>>  ignasi@ignasi-desktop:~$
>>
>>  ProblemType: Bug
>>  DistroRelease: Ubuntu 10.04
>>  Package: yelp 2.29.5-0ubuntu3
>>  ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
>>  Uname: Linux 2.6.32-17-generic x86_64
>>  NonfreeKernelModules: nvidia
>>  Architecture: amd64
>>  Date: Mon Mar 29 01:06:27 2010
>>  ExecutablePath: /usr/bin/yelp
>>  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
>>  ProcEnviron:
>>   LANG=ca_ES.utf8
>>   SHELL=/bin/bash
>>  SourcePackage: yelp
>>
>> To unsubscribe from this bug, go to:
>> https://bugs.launchpad.net/ubuntu/+bug/550559/+subscribe
>>
>
> --
> You received this bug notification because you are a direct subscriber
> of the bug.
> https://bugs.launchpad.net/bugs/550559
>
> Title:
>   hdd problems, failed command: READ FPDMA QUEUED
>
> Status in Ubuntu:
>   Confirmed
>
> Bug description:
>   Hello!
>
>   I have a brand new computer. With a SSD device and a SATA hard drive,
>   a Seagate Barracuda XT specifically 6Gb / s of 2TB. The latter is
>   connected to a Marvell 9123 controller that I set AHCI mode in BIOS.
>
>   I have the OS installed on the SSD device, but when you try to read
>   the disc 2TB gives several bugs.
>
>   I tried to change the disk to another controller and gives the same
>   problem, I even removed the disk partition table, having the same
>   fate.
>
>   I checked the disc for flaws from Windows with hd tune and
>   verification tool official record, and does not give me any errors.
>
>   I have tested with kernel version 2.6.34-rc2 and it works properly
>   with this disc.
>
>   The errors given are the following:
>
>   [    9.115544] ata9: exception Emask 0x0 SAct 0xf SErr 0x0 action 0x10
> frozen
>   [    9.115550] ata9.00: failed command: READ FPDMA QUEUED
>   [    9.115556] ata9.00: cmd 60/04:00:d4:82:85/00:00:1f:00:00/40 tag 0 ncq
> 2048 in
>   [    9.115557]          res 40/00:18:d3:82:85/00:00:1f:00:00/40 Emask 0x4
> (timeout)
>   [    9.115560] ata9.00: status: { DRDY }
>   [    9.115562] ata9.00: failed command: READ FPDMA QUEUED
>   [    9.115568] ata9.00: cmd 60/01:08:d1:82:85/00:00:1f:00:00/40 tag 1 ncq
> 512 in
>   [    9.115569]          res 40/00:18:d3:82:85/00:00:1f:00:00/40 Emask 0x4
> (timeout)
>   [    9.115572] ata9.00: status: { DRDY }
>   [    9.115574] ata9.00: failed command: READ FPDMA QUEUED
>   [    9.115579] ata9.00: cmd 60/01:10:d2:82:85/00:00:1f:00:00/40 tag 2 ncq
> 512 in
>   [    9.115581]          res 40/00:18:d3:82:85/00:00:1f:00:00/40 Emask 0x4
> (timeout)
>   [    9.115583] ata9.00: status: { DRDY }
>   [    9.115586] ata9.00: failed command: READ FPDMA QUEUED
>   [    9.115591] ata9.00: cmd 60/01:18:d3:82:85/00:00:1f:00:00/40 tag 3 ncq
> 512 in
>   [    9.115592]          res 40/00:18:d3:82:85/00:00:1f:00:00/40 Emask 0x4
> (timeout)
>   [    9.115595] ata9.00: status: { DRDY }
>   [    9.115609] sd 8:0:0:0: [sdb] Result: hostbyte=DID_OK
> driverbyte=DRIVER_SENSE
>   [    9.115612] sd 8:0:0:0: [sdb] Sense Key : Aborted Command [current]
> [descriptor]
>   [    9.115616] Descriptor sense data with sense descriptors (in hex):
>   [    9.115618]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
>   [    9.115626]         1f 85 82 d3
>   [    9.115629] sd 8:0:0:0: [sdb] Add. Sense: No additional sense
> information
>   [    9.115633] sd 8:0:0:0: [sdb] CDB: Read(10): 28 00 1f 85 82 d4 00 00 04
> 00
>   [    9.115640] end_request: I/O error, dev sdb, sector 528843476
>   [    9.115643] __ratelimit: 18 callbacks suppressed
>   [    9.115646] Buffer I/O error on device sdb2, logical block 317299556
>   [    9.115649] Buffer I/O error on device sdb2, logical block 317299557
>   [    9.115652] Buffer I/O error on device sdb2, logical block 317299558
>   [    9.115655] Buffer I/O error on device sdb2, logical block 317299559
>   [    9.115671] sd 8:0:0:0: [sdb] Result: hostbyte=DID_OK
> driverbyte=DRIVER_SENSE
>   [    9.115674] sd 8:0:0:0: [sdb] Sense Key : Aborted Command [current]
> [descriptor]
>   [    9.115678] Descriptor sense data with sense descriptors (in hex):
>   [    9.115679]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
>   [    9.115687]         1f 85 82 d3
>   [    9.115690] sd 8:0:0:0: [sdb] Add. Sense: No additional sense
> information
>   [    9.115693] sd 8:0:0:0: [sdb] CDB: Read(10): 28 00 1f 85 82 d1 00 00 01
> 00
>   [    9.115700] end_request: I/O error, dev sdb, sector 528843473
>   [    9.115702] Buffer I/O error on device sdb2, logical block 317299553
>   [    9.115707] sd 8:0:0:0: [sdb] Result: hostbyte=DID_OK
> driverbyte=DRIVER_SENSE
>   [    9.115710] sd 8:0:0:0: [sdb] Sense Key : Aborted Command [current]
> [descriptor]
>   [    9.115714] Descriptor sense data with sense descriptors (in hex):
>   [    9.115716]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
>   [    9.115723]         1f 85 82 d3
>   [    9.115726] sd 8:0:0:0: [sdb] Add. Sense: No additional sense
> information
>   [    9.115729] sd 8:0:0:0: [sdb] CDB: Read(10): 28 00 1f 85 82 d2 00 00 01
> 00
>   [    9.115736] end_request: I/O error, dev sdb, sector 528843474
>   [    9.115738] Buffer I/O error on device sdb2, logical block 317299554
>   [    9.115743] sd 8:0:0:0: [sdb] Result: hostbyte=DID_OK
> driverbyte=DRIVER_SENSE
>   [    9.115746] sd 8:0:0:0: [sdb] Sense Key : Aborted Command [current]
> [descriptor]
>   [    9.115749] Descriptor sense data with sense descriptors (in hex):
>   [    9.115751]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
>   [    9.115759]         1f 85 82 d3
>   [    9.115762] sd 8:0:0:0: [sdb] Add. Sense: No additional sense
> information
>   [    9.115765] sd 8:0:0:0: [sdb] CDB: Read(10): 28 00 1f 85 82 d3 00 00 01
> 00
>   [    9.115771] end_request: I/O error, dev sdb, sector 528843475
>   [    9.115774] Buffer I/O error on device sdb2, logical block 317299555
>   [   16.243531] sd 8:0:0:0: timing out command, waited 7s
>   [   23.241557] sd 8:0:0:0: timing out command, waited 7s
>
>
>   lsb_release -rd
>   Description:	Ubuntu lucid (development branch)
>   Release:	10.04
>   ignasi@ignasi-desktop:~$
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 10.04
>   Package: yelp 2.29.5-0ubuntu3
>   ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
>   Uname: Linux 2.6.32-17-generic x86_64
>   NonfreeKernelModules: nvidia
>   Architecture: amd64
>   Date: Mon Mar 29 01:06:27 2010
>   ExecutablePath: /usr/bin/yelp
>   InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
>   ProcEnviron:
>    LANG=ca_ES.utf8
>    SHELL=/bin/bash
>   SourcePackage: yelp
>
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> https://bugs.launchpad.net/ubuntu/+bug/550559/+subscribe
>