[Bugme-new] [Bug 9203] New: raid5 doesnt shut down cleanly on 2.6.23-git1[3-6]

[bugme-daemon at bugzilla.kernel.org]

http://bugzilla.kernel.org/show_bug.cgi?id=9203

           Summary: raid5 doesnt shut down cleanly on 2.6.23-git1[3-6]
           Product: IO/Storage
           Version: 2.5
     KernelVersion: 2.3.23-git16
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: LVM2/DM
        AssignedTo: agk at redhat.com
        ReportedBy: jean.luc.coulon at gmail.com


Most recent kernel where this bug did not occur: 2.6.23.1
Distribution: Debian
Hardware Environment: AMD64
Software Environment: X86_64
Problem Description: I've lvm over a raid5 (3 disks).
At shut down, the system doesnt halt cleanly, reporting "kernel BUG"
The messages arent in the syslog, I've not written down them by hand.

Nevertheless, I could see (repeated several time, together with a trace): 
note: md3_raid5[2266] exited with preempt-count 1
[ here, there is the trace ]
kernel BUG at drivers/scsi/scsi_lib.c:1234
invalid opcode : 0000 [2] PREMPT

Steps to reproduce: enter the halt command

This leads to a sync problem on the arry which needs then to be resync.

I can provide my .config on request and (if really needed, I can try to write
down the messages from the console).

Regards

Jean-Luc


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