Unknown USB bridge [0x0bc2:0x2312 (0x636)]

Andy Isaacson <[email protected]>
Newsgroups gmane.linux.utilities.smartmontools
Message-ID <[email protected]>
Works with "-d sat", "-d sat,12", and "-d sat,16" when attached to an Intel
AHCI USB2.0 port.  (Some other failures when attached to a USB3.0 port but
that's not smartmontools issue.)  Testing using Debian x64 6.1+svn3812-1.

snow% sudo smartctl -A /dev/sdc
smartctl 6.2 2013-04-20 r3812 [x86_64-linux-3.15.6] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org

/dev/sdc: Unknown USB bridge [0x0bc2:0x2312 (0x636)]
Please specify device type with the -d option.

Use smartctl -h to get a usage summary

snow% sudo smartctl -A /dev/sdc -d sat
smartctl 6.2 2013-04-20 r3812 [x86_64-linux-3.15.6] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF READ SMART DATA SECTION ===
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x002f   100   100   051    Pre-fail  Always       -       0

-andy

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