Re: MPT fusion driver, better but still buggy at errors handling under 2.6

[Hubert Tonneau <hubert.tonneau@fullpliant.org>]

Hubert Tonneau wrote:
>
> 2.4.xx  recovers gracefully (only reading the kernel log will enable
>         to discover that a tiny problem did append).

Here is the report of the gracefull recovery the Linux 2.4.31 does as
opposed to Linux 2.6:

<4>scsi : aborting command due to timeout : pid 2232433, scsi0, channel 0, id 0, lun 0 0x2a 00 05 b6 3d 3f 00 00 80 00 
<4>mptscsih: OldAbort scheduling ABORT SCSI IO (sc=f79af800)
<4>scsi : aborting command due to timeout : pid 2232436, scsi0, channel 0, id 0, lun 0 0x2a 00 05 b6 3d bf 00 00 38 00 
<4>mptscsih: OldAbort scheduling ABORT SCSI IO (sc=f79af600)
<4>scsi : aborting command due to timeout : pid 2232437, scsi0, channel 0, id 0, lun 0 0x2a 00 05 b6 3d f7 00 00 48 00 
<4>mptscsih: OldAbort scheduling ABORT SCSI IO (sc=f79afa00)
<4>SCSI host 0 abort (pid 2232433) timed out - resetting
<4>SCSI bus is being reset for host 0 channel 0.
<4>mptscsih: OldReset scheduling BUS_RESET (sc=f79af800)
<4>SCSI host 0 abort (pid 2232436) timed out - resetting
<4>SCSI bus is being reset for host 0 channel 0.
<4>mptscsih: OldReset scheduling BUS_RESET (sc=f79af600)
<4>SCSI host 0 abort (pid 2232437) timed out - resetting
<4>SCSI bus is being reset for host 0 channel 0.
<4>mptscsih: OldReset scheduling BUS_RESET (sc=f79afa00)
<4>SCSI host 0 channel 0 reset (pid 2232433) timed out - trying harder
<4>SCSI bus is being reset for host 0 channel 0.
<4>mptscsih: OldReset scheduling BUS_RESET (sc=f79af800)
<4>SCSI host 0 channel 0 reset (pid 2232437) timed out - trying harder
<4>SCSI bus is being reset for host 0 channel 0.
<4>mptscsih: OldReset scheduling BUS_RESET (sc=f79afa00)
<4>SCSI host 0 reset (pid 2232433) timed out again -
<4>probably an unrecoverable SCSI bus or device hang.
<4>SCSI host 0 reset (pid 2232437) timed out again -
<4>probably an unrecoverable SCSI bus or device hang.
<4>SCSI Error: (0:0:0) Status=02h (CHECK CONDITION)
<4> Key=6h (UNIT ATTENTION); FRU=00h
<4> ASC/ASCQ=29h/02h "SCSI BUS RESET OCCURRED"
<4> CDB: 2A 00 05 B6 3D BF 00 00 38 00
<4>
<4>SCSI Error: (0:1:0) Status=02h (CHECK CONDITION)
<4> Key=6h (UNIT ATTENTION); FRU=00h
<4> ASC/ASCQ=29h/02h "SCSI BUS RESET OCCURRED"
<4> CDB: 28 00 05 B6 3E 3F 00 00 80 00
<4>
<4>scsi : aborting command due to timeout : pid 2232577, scsi0, channel 0, id 0, lun 0 0x2a 00 05 b6 41 3f 00 00 80 00 
<4>mptscsih: OldAbort scheduling ABORT SCSI IO (sc=f79af600)
<4>scsi : aborting command due to timeout : pid 2232580, scsi0, channel 0, id 0, lun 0 0x2a 00 05 b6 41 bf 00 00 18 00 
<4>mptscsih: OldAbort scheduling ABORT SCSI IO (sc=f79af800)
<4>scsi : aborting command due to timeout : pid 2232581, scsi0, channel 0, id 0, lun 0 0x2a 00 05 b6 41 d7 00 00 68 00 
<4>mptscsih: OldAbort scheduling ABORT SCSI IO (sc=f79afa00)
<4>SCSI host 0 abort (pid 2232577) timed out - resetting
<4>SCSI bus is being reset for host 0 channel 0.
<4>mptscsih: OldReset scheduling BUS_RESET (sc=f79af600)
<4>SCSI host 0 abort (pid 2232580) timed out - resetting
<4>SCSI bus is being reset for host 0 channel 0.
<4>mptscsih: OldReset scheduling BUS_RESET (sc=f79af800)
<4>SCSI host 0 abort (pid 2232581) timed out - resetting
<4>SCSI bus is being reset for host 0 channel 0.
<4>mptscsih: OldReset scheduling BUS_RESET (sc=f79afa00)
<4>SCSI host 0 channel 0 reset (pid 2232577) timed out - trying harder
<4>SCSI bus is being reset for host 0 channel 0.
<4>mptscsih: OldReset scheduling BUS_RESET (sc=f79af600)
<4>SCSI host 0 channel 0 reset (pid 2232580) timed out - trying harder
<4>SCSI bus is being reset for host 0 channel 0.
<4>mptscsih: OldReset scheduling BUS_RESET (sc=f79af800)
<4>SCSI host 0 channel 0 reset (pid 2232581) timed out - trying harder
<4>SCSI bus is being reset for host 0 channel 0.
<4>mptscsih: OldReset scheduling BUS_RESET (sc=f79afa00)
<4>SCSI host 0 reset (pid 2232577) timed out again -
<4>probably an unrecoverable SCSI bus or device hang.
<4>SCSI host 0 reset (pid 2232580) timed out again -
<4>probably an unrecoverable SCSI bus or device hang.
<4>SCSI host 0 reset (pid 2232581) timed out again -
<4>probably an unrecoverable SCSI bus or device hang.
<4>SCSI Error: (0:0:0) Status=02h (CHECK CONDITION)
<4> Key=6h (UNIT ATTENTION); FRU=00h
<4> ASC/ASCQ=29h/02h "SCSI BUS RESET OCCURRED"
<4> CDB: 2A 00 0D 38 DB 87 00 00 08 00
<4>
<4>SCSI Error: (0:1:0) Status=02h (CHECK CONDITION)
<4> Key=6h (UNIT ATTENTION); FRU=00h
<4> ASC/ASCQ=29h/02h "SCSI BUS RESET OCCURRED"
<4> CDB: 2A 00 0D 38 E2 C7 00 00 10 00
<4>

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