So now I can view some files from console (watching videos via mplayer). But opening nautilus in /media/LaCie gives me errors - after it I can't use the device. dmesg now gives such output: [ 1631.156246] usb 2-2: new high-speed USB device number 4 using ehci_hcd [ 1631.290909] scsi6 : uas [ 1631.501702] scsi 6:0:0:0: Direct-Access LaCie Rugged FW USB3 1081 PQ: 0 ANSI: 4 [ 1631.502911] sd 6:0:0:0: Attached scsi generic sg1 type 0 [ 1631.506169] sd 6:0:0:0: [sdb] 1953525153 512-byte logical blocks: (1.00 TB/931 GiB) [ 1631.506524] sd 6:0:0:0: [sdb] Write Protect is off [ 1631.506533] sd 6:0:0:0: [sdb] Mode Sense: 47 00 10 08 [ 1631.506748] sd 6:0:0:0: uas_sense_old: urb length 26 disagrees with IU sense data length 510, using 18 bytes of sense data [ 1631.506789] sd 6:0:0:0: [sdb] Cache data unavailable [ 1631.506796] sd 6:0:0:0: [sdb] Assuming drive cache: write through [ 1631.509252] sd 6:0:0:0: uas_sense_old: urb length 26 disagrees with IU sense data length 510, using 18 bytes of sense data [ 1631.509289] sd 6:0:0:0: [sdb] Cache data unavailable [ 1631.509296] sd 6:0:0:0: [sdb] Assuming drive cache: write through [ 1631.557445] sdb: sdb1 [ 1631.558870] sd 6:0:0:0: uas_sense_old: urb length 26 disagrees with IU sense data length 510, using 18 bytes of sense data [ 1631.558906] sd 6:0:0:0: [sdb] Cache data unavailable [ 1631.558910] sd 6:0:0:0: [sdb] Assuming drive cache: write through [ 1631.558915] sd 6:0:0:0: [sdb] Attached SCSI disk [ 1631.561003] sd 6:0:0:0: uas_sense_old: urb length 26 disagrees with IU sense data length 510, using 18 bytes of sense data [ 1631.688384] sd 6:0:0:0: uas_sense_old: urb length 26 disagrees with IU sense data length 510, using 18 bytes of sense data [ 4351.840090] sd 6:0:0:0: uas_eh_abort_handler tag 0 [ 4351.840097] sd 6:0:0:0: uas_eh_abort_handler tag 1 [ 4351.840105] sd 6:0:0:0: uas_eh_device_reset_handler tag 0 [ 4351.840111] sd 6:0:0:0: uas_eh_target_reset_handler tag 0 [ 4351.840115] sd 6:0:0:0: uas_eh_bus_reset_handler tag 1 [ 4351.844171] usb 2-2: URB BAD STATUS -71 [ 4351.952275] usb 2-2: reset high-speed USB device number 4 using ehci_hcd [ 4352.085576] sd 6:0:0:0: Device offlined - not ready after error recovery [ 4352.085583] sd 6:0:0:0: Device offlined - not ready after error recovery [ 4352.085598] sd 6:0:0:0: [sdb] Unhandled error code [ 4352.085602] sd 6:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT [ 4352.085609] sd 6:0:0:0: [sdb] CDB: Read(10): 28 00 26 4b de 00 00 00 08 00 [ 4352.085626] end_request: I/O error, dev sdb, sector 642506240 [ 4352.085633] quiet_error: 24 callbacks suppressed [ 4352.085638] Buffer I/O error on device sdb1, logical block 80313024 [ 4352.085671] sd 6:0:0:0: [sdb] Unhandled error code [ 4352.085675] sd 6:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT [ 4352.085681] sd 6:0:0:0: [sdb] CDB: Read(10): 28 00 00 03 4b b8 00 00 f8 00 [ 4352.085696] end_request: I/O error, dev sdb, sector 215992 [ 4352.085702] sd 6:0:0:0: rejecting I/O to offline device [ 4352.085706] Buffer I/O error on device sdb1, logical block 26743 [ 4352.085711] Buffer I/O error on device sdb1, logical block 26744 [ 4352.085717] Buffer I/O error on device sdb1, logical block 26745 [ 4352.085722] Buffer I/O error on device sdb1, logical block 26746 [ 4352.085727] Buffer I/O error on device sdb1, logical block 26747 [ 4352.085732] Buffer I/O error on device sdb1, logical block 26748 [ 4352.085742] Buffer I/O error on device sdb1, logical block 26749 [ 4352.085746] Buffer I/O error on device sdb1, logical block 26750 [ 4352.085749] Buffer I/O error on device sdb1, logical block 26751 [ 4352.575015] sd 6:0:0:0: rejecting I/O to offline device [ 4352.575039] sd 6:0:0:0: rejecting I/O to offline device [ 4352.620746] sd 6:0:0:0: rejecting I/O to offline device uname -a: Linux r2d2 3.2.0-24-generic #38-Ubuntu SMP Tue May 1 16:18:50 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux 2012/5/21 Launchpad Bug Tracker