by We have a PentiumPro machine acting as a news server. The machine has
128MB of memory, one 4GB scsi drive as its main drive, and 8 other 4GB
scsi drives ccd'd together as the news spool. The drives are all
"SEAGATE ST15230W", which are wide SCA drives. We have them in a
special enclosure on SCA trays. Five of the drives are on one of the
2940's, and the other four are on the other 2940.
The OS version is 2.2.6-RELEASE.
We just had a crash and I found the following messages in the log.
The final messages are repeated for the other scsi drives on the bus.
... /kernel: ahc0: WARNING no command for scb 9 (cmdcmplt)
... /kernel: QOUTCNT == 1
... /kernel: sd0(ahc0:0:0): SCB 0x6 - timed outwhile idle, LASTPHASE == 0x1, SCSISIGI == 0x0
... /kernel: SEQADDR = 0x6 SCSISEQ = 0x12 SSTAT0 = 0x5 SSTAT1 = 0xa
... /kernel: sd0(ahc0:0:0): SCB 6: Immediate reset. Flags = 0x1
... /kernel: sd0(ahc0:0:0): no longer in timeout
... /kernel: ahc0: Issued Channel A Bus Reset. 5 CBs aborted
... /kernel: sd0(ahc0:0:0): UNIT ATTENTION asc:29,0
... /kernel: sd0(ahc0:0:0): Power on, reset, or bus device reset occurred field replaceable unit: 1
... /kernel: , retries:3
Is this a hardware error? is it the controller or one (or more) of the drives?
Could it be a kernel configuration option I need to set or unset?
I would welcome any hints, suggestions, or similar experiences.
--
Stephen Corbesero Systems Manager and Adjunct Lecturer
19 Memorial Drive West, EECS Dept. This message has been brought to you
Lehigh Univ., Bethlehem, PA 18015 by electrons.