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Date:      Wed, 14 Feb 2001 17:45:09 +0100 (CET)
From:      Jan Conrad <conrad@th.physik.uni-bonn.de>
To:        <freebsd-stable@freebsd.org>
Subject:   Drive errors under 3-STABLE
Message-ID:  <Pine.BSF.4.33.0102141741430.34380-100000@merlin.th.physik.uni-bonn.de>

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Hello,

since a week or so we get the following messages on our 3-STABLE system
(about one per day..)

Feb 11 03:00:28 dirac /kernel: (da0:ahc0:0:1:0): READ(06). CDB: 8 12 2d 7f
10 0
Feb 11 03:00:41 dirac /kernel: (da0:ahc0:0:1:0): MEDIUM ERROR info:122d85
asc:11,0
Feb 11 03:00:53 dirac /kernel: (da0:ahc0:0:1:0): Unrecovered read error
field replaceable unit: ea sks:80,108
Feb 11 03:01:02 dirac /kernel: (da0:ahc0:0:1:0): READ(06). CDB: 8 12 2d 8f
20 0
Feb 11 03:01:02 dirac /kernel: (da0:ahc0:0:1:0): MEDIUM ERROR info:122d8f
asc:16,0
Feb 11 03:01:02 dirac /kernel: (da0:ahc0:0:1:0): Data synchronization mark
error field replaceable unit: d2 sks:80,108
Feb 11 03:01:03 dirac /kernel: (da0:ahc0:0:1:0): READ(06). CDB: 8 12 2d df
20 0
Feb 11 03:01:03 dirac /kernel: (da0:ahc0:0:1:0): MEDIUM ERROR info:122df1
asc:11,0
Feb 11 03:01:03 dirac /kernel: (da0:ahc0:0:1:0): Unrecovered read error
field replaceable unit: ea sks:80,108
Feb 11 03:01:03 dirac /kernel: (da0:ahc0:0:1:0): READ(06). CDB: 8 12 2d ef
10 0
Feb 11 03:01:03 dirac /kernel: (da0:ahc0:0:1:0): MEDIUM ERROR info:122df1
asc:11,0
Feb 11 03:01:03 dirac /kernel: (da0:ahc0:0:1:0): Unrecovered read error
field replaceable unit: ea sks:80,108


the disc is recognized at boot time as:

Feb 10 18:19:03 dirac /kernel: da0 at ahc0 bus 0 target 1 lun 0
Feb 10 18:19:03 dirac /kernel: da0: <SEAGATE ST19171W 0024> Fixed Direct
Access SCSI-2 device
Feb 10 18:19:03 dirac /kernel: da0: 40.000MB/s transfers (20.000MHz,
offset 8, 16bit), Tagged Queueing Enabled
Feb 10 18:19:03 dirac /kernel: da0: 8683MB (17783112 512 byte sectors:
255H 63S/T 1106C)


Does anyone have an idea what this means?

regards and many thanks in advance
	Jan Conrad

-- 
Physikalisches Institut der Universitaet Bonn
Nussallee 12
D-53115 Bonn
GERMANY



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