Date: Fri, 14 Jun 1996 07:56:38 -0400 (EDT) From: "Amir Y. Rosenblatt" <amir@neuron.net> To: freebsd-questions@freebsd.org Subject: SCSI Bus weirdness Message-ID: <199606141156.HAA00577@prozac.neuron.net>
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At 5 am, when my machine tried to do its nightly dump of all the filesystems it apparently choked in alarge way on the tape drive. The machine is a Pentium 120 with 64 meg of RAM, and Adaptec 2940UW, a pair of 2.1 gig F/W Seagate Baraccudas, and an HP C1533A 4mm DAT drive. The machine was fine last night but it seemed to have hung over night -- this morning it wouldn;t show anything on screen -- no response to keyboard or mouse movements at all. The following has been culled from my messages file (target 3 in the messages is the tape drive): Jun 14 05:12:49 prozac /kernel: ahc0: target 3, lun 0 (st0) timed out Jun 14 05:12:50 prozac /kernel: st0(ahc0:3:0): BUS DEVICE RESET message queued. Jun 14 05:13:04 prozac /kernel: st0(ahc0:3:0): NOT READY asc:3e,0 Logical unit has not self-configured yet Jun 14 05:13:17 prozac /kernel: st0(ahc0:3:0): NOT READY asc:3e,0 Logical unit has not self-configured yet Jun 14 05:15:07 prozac /kernel: ahc0: target 3, lun 0 (st0) timed out Jun 14 05:15:08 prozac /kernel: st0(ahc0:3:0): BUS DEVICE RESET message queued. Jun 14 05:15:54 prozac /kernel: st0(ahc0:3:0): NOT READY asc:3e,0 Logical unit has not self-configured yet Jun 14 05:16:06 prozac /kernel: st0(ahc0:3:0): NOT READY asc:3e,0 Logical unit has not self-configured yet Jun 14 05:17:57 prozac /kernel: ahc0: target 3, lun 0 (st0) timed out Jun 14 05:17:58 prozac /kernel: st0(ahc0:3:0): BUS DEVICE RESET message queued. Jun 14 05:23:44 prozac /kernel: st0(ahc0:3:0): NOT READY asc:3e,0 Logical unit has not self-configured yet Jun 14 05:23:54 prozac /kernel: st0(ahc0:3:0): NOT READY asc:4,1 Jun 14 05:23:54 prozac /kernel: st0(ahc0:3:0): Logical unit is in process of becoming ready Jun 14 05:25:46 prozac /kernel: ahc0: target 3, lun 0 (st0) timed out Jun 14 05:25:47 prozac /kernel: st0(ahc0:3:0): BUS DEVICE RESET message queued. Jun 14 05:35:08 prozac /kernel: st0(ahc0:3:0): NOT READY asc:3e,0 Logical unit has not self-configured yet Jun 14 05:35:18 prozac /kernel: st0(ahc0:3:0): NOT READY asc:4,1 Jun 14 05:35:18 prozac /kernel: st0(ahc0:3:0): Logical unit is in process of becoming ready Jun 14 05:38:46 prozac /kernel: ahc0: target 3, lun 0 (st0) timed out Jun 14 05:38:47 prozac /kernel: ahc0: Issued Channel A Bus Reset #3. 0 SCBs aborted Jun 14 05:38:47 prozac /kernel: st0(ahc0:3:0): UNIT ATTENTION asc:29,0 Jun 14 05:38:47 prozac /kernel: st0(ahc0:3:0): Power on, reset, or bus device reset occurred Jun 14 05:38:47 prozac /kernel: st0: oops not queued Jun 14 05:38:47 prozac /kernel: st0(ahc0:3:0): NOT READY asc:4,1 Jun 14 05:38:47 prozac /kernel: st0(ahc0:3:0): Logical unit is in process of becoming ready Jun 14 05:38:47 prozac /kernel: st0(ahc0:3:0): NOT READY asc:4,1 Jun 14 05:38:47 prozac /kernel: st0(ahc0:3:0): Logical unit is in process of becoming ready Jun 14 05:38:47 prozac /kernel: sd0(ahc0:0:0): UNIT ATTENTION asc:29,0 Jun 14 05:38:47 prozac /kernel: sd0(ahc0:0:0): Power on, reset, or bus device reset occurred field replaceable unit: 1 Jun 14 05:38:47 prozac /kernel: , retries:4 Jun 14 05:38:55 prozac /kernel: sd1(ahc0:1:0): UNIT ATTENTION asc:29,0 Jun 14 05:38:56 prozac /kernel: sd1(ahc0:1:0): Power on, reset, or bus device reset occurred field replaceable unit: 1 Jun 14 05:38:56 prozac /kernel: , retries:4 Jun 14 05:45:30 prozac /kernel: st0(ahc0:3:0): NOT READY asc:3e,0 Logical unit has not self-configured yet Jun 14 05:47:36 prozac /kernel: st0(ahc0:3:0): NOT READY asc:4,1 Jun 14 05:47:36 prozac /kernel: st0(ahc0:3:0): Logical unit is in process of becoming ready Jun 14 05:47:46 prozac /kernel: st0(ahc0:3:0): NOT READY asc:4,1 Jun 14 05:47:46 prozac /kernel: st0(ahc0:3:0): Logical unit is in process of becoming ready I'm running 2.1-RELEASE on the machine. Earlier this week I had some problems with the backup apparently due to problems with /dev/tty (according to the dump errors). Yesterday morning I restored /dev/tty with a copy froma week-old backup. Any suggestions? -Amir
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