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