Output of dmesg | grep sdc

u[    3.352718] sd 3:0:0:0: [sdc] 781420655 512-byte logical blocks: (400 GB/372 GiB)
[    3.352756] sd 3:0:0:0: [sdc] Write Protect is off
[    3.352758] sd 3:0:0:0: [sdc] Mode Sense: 00 3a 00 00
[    3.352776] sd 3:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    3.978722]  sdc: sdc1 sdc2 sdc3 < sdc5 sdc6 sdc7 >
[    3.978867] sdc: p7 size 258357248 extends beyond EOD, enabling native capacity
[    4.476437] sd 3:0:0:0: [sdc] 781422768 512-byte logical blocks: (400 GB/372 GiB)
[    4.476534] sdc: detected capacity change from 400087375360 to 400088457216
[    4.542560]  sdc: sdc1 sdc2 sdc3 < sdc5 sdc6 sdc7 >
[    4.542867] sdc: detected capacity change from 0 to 400088457216
[    4.542901] sd 3:0:0:0: [sdc] Attached SCSI disk
[   17.908066] sd 3:0:0:0: [sdc] Unhandled error code
[   17.908069] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.908073] sd 3:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 03 00 00 00 08 00
[   17.908082] end_request: I/O error, dev sdc, sector 768
[   17.908086] Buffer I/O error on device sdc, logical block 96
[   17.908113] sd 3:0:0:0: [sdc] Unhandled error code
[   17.908116] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.908119] sd 3:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 03 00 00 00 08 00
[   17.908128] end_request: I/O error, dev sdc, sector 768
[   17.908131] Buffer I/O error on device sdc, logical block 96
[   17.908171] sd 3:0:0:0: [sdc] Unhandled error code
[   17.908174] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.908178] sd 3:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 03 00 00 00 08 00
[   17.908187] end_request: I/O error, dev sdc, sector 768
[   17.908190] Buffer I/O error on device sdc, logical block 96
[   17.908220] sd 3:0:0:0: [sdc] Unhandled error code
[   17.908222] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.908224] sd 3:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 03 08 00 00 08 00
[   17.908230] end_request: I/O error, dev sdc, sector 776
[   17.908232] Buffer I/O error on device sdc, logical block 97
[   17.908244] sd 3:0:0:0: [sdc] Unhandled error code
[   17.908246] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.908248] sd 3:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 03 08 00 00 08 00
[   17.908254] end_request: I/O error, dev sdc, sector 776
[   17.908256] Buffer I/O error on device sdc, logical block 97
[   17.908263] sd 3:0:0:0: [sdc] READ CAPACITY(16) failed
[   17.908265] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.908267] sd 3:0:0:0: [sdc] Sense not available.
[   17.908270] sd 3:0:0:0: [sdc] Unhandled error code
[   17.908272] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.908274] sd 3:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 03 08 00 00 08 00
[   17.908280] end_request: I/O error, dev sdc, sector 776
[   17.908282] Buffer I/O error on device sdc, logical block 97
[   17.908291] sd 3:0:0:0: [sdc] READ CAPACITY failed
[   17.908292] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.908295] sd 3:0:0:0: [sdc] Sense not available.
[   17.908300] sd 3:0:0:0: [sdc] Unhandled error code
[   17.908301] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.908304] sd 3:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 03 10 00 00 08 00
[   17.908309] end_request: I/O error, dev sdc, sector 784
[   17.908311] Buffer I/O error on device sdc, logical block 98
[   17.908326] sd 3:0:0:0: [sdc] Unhandled error code
[   17.908327] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.908330] sd 3:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 03 10 00 00 08 00
[   17.908335] end_request: I/O error, dev sdc, sector 784
[   17.908337] Buffer I/O error on device sdc, logical block 98
[   17.908371] sd 3:0:0:0: [sdc] Unhandled error code
[   17.908373] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.908375] sd 3:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 02 00 00 00 08 00
[   17.908381] end_request: I/O error, dev sdc, sector 512
[   17.908382] Buffer I/O error on device sdc, logical block 64
[   17.908400] sd 3:0:0:0: [sdc] Unhandled error code
[   17.908402] sd 3:0:0:0: [sdc] Write Protect is on
[   17.908404] sd 3:0:0:0: [sdc] Mode Sense: 70 0e ca f6
[   17.908406] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.908408] sd 3:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 00 20 00 00 08 00
[   17.908414] end_request: I/O error, dev sdc, sector 32
[   17.908416] Buffer I/O error on device sdc, logical block 4
[   17.908439] sd 3:0:0:0: [sdc] Truncating mode parameter data from 28688 to 512 bytes
[   17.908440] sd 3:0:0:0: [sdc] Unhandled error code
[   17.908442] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.908444] sd 3:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 10 00 00 00 08 00
[   17.908449] end_request: I/O error, dev sdc, sector 4096
[   17.908459] sd 3:0:0:0: [sdc] Got wrong page
[   17.908460] sd 3:0:0:0: [sdc] Assuming drive cache: write through
[   17.908463] sdc: detected capacity change from 400088457216 to 0
[   17.913846] sd 3:0:0:0: [sdc] READ CAPACITY(16) failed
[   17.913848] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.913851] sd 3:0:0:0: [sdc] Sense not available.
[   17.913870] sd 3:0:0:0: [sdc] READ CAPACITY failed
[   17.913872] sd 3:0:0:0: [sdc]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[   17.913874] sd 3:0:0:0: [sdc] Sense not available.
[   17.913925] sd 3:0:0:0: [sdc] Write Protect is off
[   17.913927] sd 3:0:0:0: [sdc] Mode Sense: 00 00 00 00
[   17.913935] sd 3:0:0:0: [sdc] Asking for cache data failed
[   17.913937] sd 3:0:0:0: [sdc] Assuming drive cache: write through