From owner-freebsd-questions@freebsd.org  Wed Aug 17 01:36:35 2016
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From: Jonathan Stewart <jonathan@kc8onw.net>
Subject: Lexar flash drive dead?
Message-ID: <c73adde8-35f8-5090-bb74-330ac2f46634@kc8onw.net>
Date: Tue, 16 Aug 2016 21:31:12 -0400
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(Please CC me as I'm not subscribed right now)
I have a Lexar USB3 128GB flash drive that has quit working. I get the 
following on the console and in dmesg when I plug the drive in, is there 
any hope other than a professional recovery company for this drive? On a 
Windows machine it does some kind of disconnect/reconnect loop but just 
triggers the text below on FreeBSD.

ugen1.3: <Lexar> at usbus1
umass0: <Lexar USB Flash Drive, class 0/0, rev 2.10/11.00, addr 3> on usbus1
umass0:  SCSI over Bulk-Only; quirks = 0x8100
umass0:9:0:-1: Attached to scbus9
da4 at umass-sim0 bus 0 scbus9 target 0 lun 0
da4: <Lexar USB Flash Drive 1100> Removable Direct Access SPC-4 SCSI device
da4: Serial Number AAUAYQ9QH3OH4ONS
da4: 40.000MB/s transfers
da4: 122104MB (250068992 512 byte sectors: 255H 63S/T 15566C)
da4: quirks=0x2<NO_6_BYTE>
(da4:umass-sim0:0:0:0): READ(10). CDB: 28 00 0e e7 bf fe 00 00 01 00
(da4:umass-sim0:0:0:0): CAM status: SCSI Status Error
(da4:umass-sim0:0:0:0): SCSI status: Check Condition
(da4:umass-sim0:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not present)
(da4:umass-sim0:0:0:0): Error 6, Unretryable error
(da4:umass-sim0:0:0:0): READ(10). CDB: 28 00 0e e7 bf ff 00 00 01 00
(da4:umass-sim0:0:0:0): CAM status: SCSI Status Error
(da4:umass-sim0:0:0:0): SCSI status: Check Condition
(da4:umass-sim0:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not present)
(da4:umass-sim0:0:0:0): Error 6, Unretryable error
(da4:umass-sim0:0:0:0): READ(10). CDB: 28 00 00 00 00 01 00 00 01 00
(da4:umass-sim0:0:0:0): CAM status: SCSI Status Error
(da4:umass-sim0:0:0:0): SCSI status: Check Condition
(da4:umass-sim0:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not present)
(da4:umass-sim0:0:0:0): Error 6, Unretryable error