[Bug 14157] New: end_request: I/O error, dev cciss/cXdX, sector 0

[Bug 14157] New: end_request: I/O error, dev cciss/cXdX, sector 0

[bugzilla-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=14157

           Summary: end_request: I/O error, dev cciss/cXdX, sector 0
           Product: SCSI Drivers
           Version: 2.5
    Kernel Version: 2.6.31
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
        AssignedTo: scsi_drivers-other@kernel-bugs.osdl.org
        ReportedBy: jiri.harcarik@gmail.com
        Regression: No


After upgrade to the latest stable kernel on HP server with Smart Array
Controller these errors occurs in /var/log/messages :

Sep 10 12:42:45 node2 kernel: [   91.568968] end_request: I/O error, dev
cciss/c0d1, sector 0
Sep 10 12:42:45 node2 kernel: [   91.575688] end_request: I/O error, dev
cciss/c0d1, sector 0
Sep 10 12:42:45 node2 kernel: [   91.719894] end_request: I/O error, dev
cciss/c0d2, sector 0
Sep 10 12:42:45 node2 kernel: [   91.720092] end_request: I/O error, dev
cciss/c0d2, sector 0

Previous working kernel version that I tried is 2.6.30.4 without any errors.

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[Bug 14157] end_request: I/O error, dev cciss/cXdX, sector 0

[bugzilla-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=14157


Misha Labjuk <spike@ml.yaroslavl.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |spike@ml.yaroslavl.ru




--- Comment #1 from Misha Labjuk <spike@ml.yaroslavl.ru>  2009-09-12 20:49:21 ---
I think this is not scsi bug.

I get same errors flood with IDE disc. 

SiS5513 EIDE Controller with drive

Model Family:     Seagate Barracuda ATA IV family
Device Model:     ST320011A


Sep 12 17:08:02 ololo XFS mounting filesystem dm-0
Sep 12 17:08:02 ololo Ending clean XFS mount for filesystem: dm-0
Sep 12 17:08:02 ololo end_request: I/O error, dev hda, sector 0
Sep 12 17:08:02 ololo end_request: I/O error, dev hda, sector 0
...
and more 50 messages per second logged.



This is a regression.  2.6.30.6 last not affected version. 2.6.31 first
affected.

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[Bug 14157] end_request: I/O error, dev cciss/cXdX, sector 0

[bugzilla-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=14157


Andrew Morton <akpm@linux-foundation.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |akpm@linux-foundation.org
          Component|Other                       |Block Layer
         AssignedTo|scsi_drivers-other@kernel-b |axboe@kernel.dk
                   |ugs.osdl.org                |
            Product|SCSI Drivers                |IO/Storage
         Regression|No                          |Yes




--- Comment #2 from Andrew Morton <akpm@linux-foundation.org>  2009-09-13 22:40:04 ---
Marked as a regression.

Randomly reassigned to block layer.

Weird.

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Re: [Bug 14157] end_request: I/O error, dev cciss/cXdX, sector 0

[James Bottomley]

> --- Comment #2 from Andrew Morton <akpm@linux-foundation.org>  2009-09-13 22:40:04 ---
> Marked as a regression.
> 
> Randomly reassigned to block layer.
> 
> Weird.

It's theoretically possible, I suppose, but no-one else is seeing this.
It sounds like some local config setup issue, which a full dmesg might
shed some light on ... say some protected area on sector 0 or something.

James