lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu jaunty (development branch) Release: 9.04 Codename: jaunty Linux sshd-desktop 2.6.28-11-generic #38-Ubuntu SMP Fri Mar 27 09:00:52 UTC 2009 i686 GNU/Linux When i connect my external usb drive WD 2500BEV in dmesg i see next: [ 919.548017] usb 2-3: new high speed USB device using ehci_hcd and address 4 [ 919.681389] usb 2-3: configuration #1 chosen from 1 choice [ 919.681650] scsi9 : SCSI emulation for USB Mass Storage devices [ 919.688495] usb-storage: device found at 4 [ 919.688497] usb-storage: waiting for device to settle before scanning [ 924.688143] usb-storage: device scan complete [ 924.688636] scsi 9:0:0:0: Direct-Access WD 2500BEV External 1.05 PQ: 0 ANSI: 4 [ 924.689870] sd 9:0:0:0: [sdb] 488397168 512-byte hardware sectors: (250 GB/232 GiB) [ 924.690616] sd 9:0:0:0: [sdb] Write Protect is off [ 924.690618] sd 9:0:0:0: [sdb] Mode Sense: 21 00 00 00 [ 924.690620] sd 9:0:0:0: [sdb] Assuming drive cache: write through [ 924.695369] sd 9:0:0:0: [sdb] 488397168 512-byte hardware sectors: (250 GB/232 GiB) [ 924.696117] sd 9:0:0:0: [sdb] Write Protect is off [ 924.696119] sd 9:0:0:0: [sdb] Mode Sense: 21 00 00 00 [ 924.696122] sd 9:0:0:0: [sdb] Assuming drive cache: write through [ 924.696126] sdb: sdb1 [ 924.742607] sd 9:0:0:0: [sdb] Attached SCSI disk [ 924.742669] sd 9:0:0:0: Attached scsi generic sg2 type 0 [ 927.912617] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 927.912623] Info fld=0x0 [ 927.912625] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 931.289990] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 931.289997] Info fld=0x0 [ 931.289999] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 934.228114] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 934.228120] Info fld=0x0 [ 934.228121] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 937.174364] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 937.174371] Info fld=0x0 [ 937.174373] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 940.262986] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 940.262993] Info fld=0x0 [ 940.262994] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 943.211112] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 943.211119] Info fld=0x0 [ 943.211120] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 946.422112] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 946.422118] Info fld=0x0 [ 946.422120] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 949.493611] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 949.493617] Info fld=0x0 [ 949.493618] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 952.728731] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 952.728738] Info fld=0x0 [ 952.728740] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 955.795234] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 955.795240] Info fld=0x0 [ 955.795242] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 959.144482] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 959.144489] Info fld=0x0 [ 959.144490] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 962.379482] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 962.379489] Info fld=0x0 [ 962.379490] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 965.303730] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 965.303737] Info fld=0x0 [ 965.303738] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 968.260853] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 968.260860] Info fld=0x0 [ 968.260861] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 971.480855] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 971.480861] Info fld=0x0 [ 971.480862] sd 9:0:0:0: [sdb] Add. Sense: No additional sense information [ 974.843227] sd 9:0:0:0: [sdb] Sense Key : No Sense [current] [ 974.843234] Info fld=0x0