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Date: Sun, 3 Aug 2003 11:36:50 -0400 
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Subject: AIC7902 SCSI aborted command 
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After ~200 hours of operation a PC spit out this message:

Copied 18 bytes of sense data offset 12: 0xf0 0x0 0xb 0x0 0x0 0x40 0xff 0xa
0x0 0x0 0x0 0x0 0x47 0x3 0x8 0x0 0x0 0x0
(da0:ahd0:0:0:0): WRITE(06). CDB: a 0 40 ff 80 0
(da0:ahd0:0:0:0): ABORTED COMMAND info:40ff asc:47,3
(da0:ahd0:0:0:0): Reserved ASC/ASCQ pair field replaceable unit: 8

The system has a single U320 15KRPM seagate 18GB drive in it.
No other messages are present.

# camcontrol inq 0:0:0
pass0: <SEAGATE ST318453LW 0005> Fixed Direct Access SCSI-3 device 
pass0: Serial Number 3JY00BKQ00007346Q570
pass0: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing
Enabled

The system is running the RELENG_4 aic7xxx driver, updated about 10days ago.

What does this message mean? It doesn't appear to have had any ill
effect.

the 'test' is dd if=/dev/da0 of=/dev/null bs=20k with periodic find /
and a lot of swap.