"lsusb"
Bus 005 Device 003: ID 064e:d101 Suyin Corp.
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 04d9:048e Holtek Semiconductor, Inc.
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
"dmesg | tail -20"
[23090.406989] sd 2:0:0:0: [sdb] Write Protect is off
[23090.407006] sd 2:0:0:0: [sdb] Mode Sense: 00 00 00 00
[23090.407014] sd 2:0:0:0: [sdb] Assuming drive cache: write through
[23090.438109] sd 2:0:0:0: [sdb] READ CAPACITY failed
[23090.438127] sd 2:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK,SUGGEST_OK
[23090.438140] sd 2:0:0:0: [sdb] Sense not available.
[23090.449458] sd 2:0:0:0: [sdb] Write Protect is off
[23090.449476] sd 2:0:0:0: [sdb] Mode Sense: 00 00 00 00
[23090.449485] sd 2:0:0:0: [sdb] Assuming drive cache: write through
[23090.457165] Buffer I/O error on device sdb, logical block 0
[23090.457194] Buffer I/O error on device sdb, logical block 1
[23090.457204] Buffer I/O error on device sdb, logical block 2
[23090.457213] Buffer I/O error on device sdb, logical block 3
[23090.457222] Buffer I/O error on device sdb, logical block 4
[23090.457232] Buffer I/O error on device sdb, logical block 5
[23090.457241] Buffer I/O error on device sdb, logical block 6
[23090.457250] Buffer I/O error on device sdb, logical block 7
[23090.457262] Buffer I/O error on device sdb, logical block 8
[23090.457271] Buffer I/O error on device sdb, logical block 9
[23090.825631] scsi 2:0:0:0: rejecting I/O to dead device