Thread: USB Drive does not mount after creating a bootable USB stick on Ubuntu

hi,

want format laptop, did bootable usb stick on ubuntu, rebooted , boot failed because create bootable usb program failed.

problem cannot mount usb drive format or make bootable usb.
see usb drive @ disk utility cannot format or mount it.

code:

dmesg (i removed part of "dmesg" command output didn't seem necessary)    [  598.538408] usb 2-1.1: new high-speed usb device number 5 using ehci_hcd  [  598.667920] initializing usb mass storage driver...  [  598.668142] scsi6 : usb-storage 2-1.1:1.0  [  598.668306] usbcore: registered new interface driver usb-storage  [  598.668310] usb mass storage support registered.  [  598.680150] usbcore: registered new interface driver uas  [  599.702556] scsi 6:0:0:0: direct-access     tdkmedia trans-it drive   pmap pq: 0 ansi: 0 ccs  [  599.704767] sd 6:0:0:0: attached scsi generic sg2 type 0  [  602.437724] sd 6:0:0:0: [sdb] attached scsi removable disk  [ 1446.610504] usb 2-1.1: usb disconnect, device number 5  [ 1472.689137] usb 2-1.1: new high-speed usb device number 6 using ehci_hcd  [ 1472.785208] scsi7 : usb-storage 2-1.1:1.0  [ 1473.821571] scsi 7:0:0:0: direct-access     tdkmedia trans-it drive   pmap pq: 0 ansi: 0 ccs  [ 1473.822415] sd 7:0:0:0: attached scsi generic sg2 type 0  [ 1477.225484] sd 7:0:0:0: [sdb] attached scsi removable disk  [ 1648.343860] usb 2-1.1: usb disconnect, device number 6  [ 1658.509523] usb 2-1.1: new high-speed usb device number 7 using ehci_hcd  [ 1658.605374] scsi8 : usb-storage 2-1.1:1.0  [ 1659.642608] scsi 8:0:0:0: direct-access     tdkmedia trans-it drive   pmap pq: 0 ansi: 0 ccs  [ 1659.644217] sd 8:0:0:0: attached scsi generic sg2 type 0  [ 1662.254313] sd 8:0:0:0: [sdb] attached scsi removable disk  [ 1929.759589] usb 2-1.1: usb disconnect, device number 7  [ 1938.390750] usb 2-1.1: new high-speed usb device number 8 using ehci_hcd  [ 1938.486997] scsi9 : usb-storage 2-1.1:1.0  [ 1939.523849] scsi 9:0:0:0: direct-access     tdkmedia trans-it drive   pmap pq: 0 ansi: 0 ccs  [ 1939.525852] sd 9:0:0:0: attached scsi generic sg2 type 0  [ 1942.169204] sd 9:0:0:0: [sdb] attached scsi removable disk  [ 1960.431591] usb 2-1.1: usb disconnect, device number 8  [ 1965.484566] usb 2-1.1: new high-speed usb device number 9 using ehci_hcd  [ 1965.656136] scsi10 : usb-storage 2-1.1:1.0  [ 1966.656961] scsi 10:0:0:0: direct-access     usb1107  flash disk       8.08 pq: 0 ansi: 2  [ 1966.658713] scsi 10:0:0:1: direct-access     usb1107  flash disk       8.09 pq: 0 ansi: 2  [ 1966.660178] sd 10:0:0:0: attached scsi generic sg2 type 0  [ 1966.660561] sd 10:0:0:1: attached scsi generic sg3 type 0  [ 1966.662305] sd 10:0:0:1: [sdc] 22912 512-byte logical blocks: (11.7 mb/11.1 mib)  [ 1966.664668] sd 10:0:0:0: [sdb] 7657088 512-byte logical blocks: (3.92 gb/3.65 gib)  [ 1966.665134] sd 10:0:0:1: [sdc] write protect on  [ 1966.665144] sd 10:0:0:1: [sdc] mode sense: 03 00 80 00  [ 1966.665648] sd 10:0:0:0: [sdb] write protect off  [ 1966.665657] sd 10:0:0:0: [sdb] mode sense: 03 00 00 00  [ 1966.666131] sd 10:0:0:1: [sdc] no caching mode page present  [ 1966.666140] sd 10:0:0:1: [sdc] assuming drive cache: write through  [ 1966.666623] sd 10:0:0:0: [sdb] no caching mode page present  [ 1966.666628] sd 10:0:0:0: [sdb] assuming drive cache: write through  [ 1966.671041] sd 10:0:0:1: [sdc] no caching mode page present  [ 1966.671046] sd 10:0:0:1: [sdc] assuming drive cache: write through  [ 1966.671590] sd 10:0:0:0: [sdb] no caching mode page present  [ 1966.671598] sd 10:0:0:0: [sdb] assuming drive cache: write through  [ 1966.746817]  sdc: sdc1  [ 1967.259323]  sdb:  [ 1967.263119] sd 10:0:0:1: [sdc] no caching mode page present  [ 1967.263131] sd 10:0:0:1: [sdc] assuming drive cache: write through  [ 1967.263137] sd 10:0:0:1: [sdc] attached scsi removable disk  [ 1967.263626] sd 10:0:0:0: [sdb] no caching mode page present  [ 1967.263633] sd 10:0:0:0: [sdb] assuming drive cache: write through  [ 1967.263636] sd 10:0:0:0: [sdb] attached scsi removable disk  [ 2053.572653] warning! power/level deprecated; use power/control instead  [ 2053.706054] usb 2-1.1: reset high-speed usb device number 9 using ehci_hcd  [ 2053.890236] usb 2-1.1: usb disconnect, device number 9  [ 2180.191923] usb 2-1.1: new high-speed usb device number 10 using ehci_hcd  [ 2180.287944] scsi11 : usb-storage 2-1.1:1.0  [ 2181.324830] scsi 11:0:0:0: direct-access     tdkmedia trans-it drive   pmap pq: 0 ansi: 0 ccs  [ 2181.326294] sd 11:0:0:0: attached scsi generic sg2 type 0  [ 2183.540722] sd 11:0:0:0: [sdb] attached scsi removable disk  [ 2475.324899] unity-2d-shell[2463]: segfault @ 40 ip 0000000000000040 sp 00007fff7ea61fc8 error 14 in unity-2d-shell[400000+1c000]  [ 2511.760620] usb 2-1.1: usb disconnect, device number 10  [ 3073.000622] usb 2-1.1: new high-speed usb device number 11 using ehci_hcd  [ 3073.096807] scsi12 : usb-storage 2-1.1:1.0  [ 3074.137252] scsi 12:0:0:0: direct-access     tdkmedia trans-it drive   pmap pq: 0 ansi: 0 ccs  [ 3074.139791] sd 12:0:0:0: attached scsi generic sg2 type 0  [ 3076.046109] sd 12:0:0:0: [sdb] attached scsi removable disk  [ 5306.161650] usb 2-1.1: usb disconnect, device number 11  [ 5373.654454] usb 2-1.1: new high-speed usb device number 12 using ehci_hcd  [ 5373.750200] scsi13 : usb-storage 2-1.1:1.0  [ 5374.787245] scsi 13:0:0:0: direct-access     tdkmedia trans-it drive   pmap pq: 0 ansi: 0 ccs  [ 5374.788201] sd 13:0:0:0: attached scsi generic sg2 type 0  [ 5377.347282] sd 13:0:0:0: [sdb] attached scsi removable disk  [ 5411.286716] usb 2-1.1: usb disconnect, device number 12  [ 5418.895539] usb 2-1.1: new high-speed usb device number 13 using ehci_hcd  [ 5418.991693] scsi14 : usb-storage 2-1.1:1.0  [ 5420.028698] scsi 14:0:0:0: direct-access     tdkmedia trans-it drive   pmap pq: 0 ansi: 0 ccs  [ 5420.031141] sd 14:0:0:0: attached scsi generic sg2 type 0  [ 5422.433112] sd 14:0:0:0: [sdb] attached scsi removable disk  [ 5431.479584] usb 2-1.1: usb disconnect, device number 13  [ 5465.925653] usb 2-1.1: new high-speed usb device number 14 using ehci_hcd  [ 5466.021426] scsi15 : usb-storage 2-1.1:1.0  [ 5467.058419] scsi 15:0:0:0: direct-access     tdkmedia trans-it drive   pmap pq: 0 ansi: 0 ccs  [ 5467.060668] sd 15:0:0:0: attached scsi generic sg2 type 0  [ 5469.580230] sd 15:0:0:0: [sdb] attached scsi removable disk  [ 5586.116985] usb 2-1.1: usb disconnect, device number 14  [ 5649.961446] usb 2-1.1: new high-speed usb device number 15 using ehci_hcd  [ 5650.056840] scsi16 : usb-storage 2-1.1:1.0  [ 5651.093848] scsi 16:0:0:0: direct-access     tdkmedia trans-it drive   pmap pq: 0 ansi: 0 ccs  [ 5651.095877] sd 16:0:0:0: attached scsi generic sg2 type 0  [ 5653.575680] sd 16:0:0:0: [sdb] attached scsi removable disk  [ 5676.088310] usb 2-1.1: usb disconnect, device number 15

code:

tail -c 0 -f /var/log/syslog    jul 25 19:50:04 morce-g60jx kernel: [ 6731.402303] usb 2-1.1: new high-speed usb device number 17 using ehci_hcd  jul 25 19:50:04 morce-g60jx kernel: [ 6731.498983] scsi18 : usb-storage 2-1.1:1.0  jul 25 19:50:04 morce-g60jx mtp-probe: checking bus 2, device 17: "/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1"  jul 25 19:50:04 morce-g60jx mtp-probe: bus: 2, device: 17 not mtp device  jul 25 19:50:05 morce-g60jx kernel: [ 6732.535528] scsi 18:0:0:0: direct-access     tdkmedia trans-it drive   pmap pq: 0 ansi: 0 ccs  jul 25 19:50:05 morce-g60jx kernel: [ 6732.538175] sd 18:0:0:0: attached scsi generic sg2 type 0  jul 25 19:50:08 morce-g60jx kernel: [ 6734.828500] sd 18:0:0:0: [sdb] attached scsi removable disk

code:

lsusb (before inserting usb)    bus 001 device 001: id 1d6b:0002 linux foundation 2.0 root hub  bus 002 device 001: id 1d6b:0002 linux foundation 2.0 root hub  bus 001 device 002: id 8087:0020 intel corp. integrated rate matching hub  bus 002 device 002: id 8087:0020 intel corp. integrated rate matching hub  bus 001 device 003: id 04f2:b106 chicony electronics co., ltd   bus 002 device 003: id 046d:c01d logitech, inc. mx510 optical mouse  bus 002 device 004: id 046d:c316 logitech, inc. hid-compliant keyboard      lsusb (after inserting usb)    bus 001 device 001: id 1d6b:0002 linux foundation 2.0 root hub  bus 002 device 001: id 1d6b:0002 linux foundation 2.0 root hub  bus 001 device 002: id 8087:0020 intel corp. integrated rate matching hub  bus 002 device 002: id 8087:0020 intel corp. integrated rate matching hub  bus 001 device 003: id 04f2:b106 chicony electronics co., ltd   bus 002 device 003: id 046d:c01d logitech, inc. mx510 optical mouse  bus 002 device 004: id 046d:c316 logitech, inc. hid-compliant keyboard  bus 002 device 016: id 0718:0623 imation corp.

thank in advance.
morce

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