You see in this log, that the device connects, but disconnect almost immediately. This have happened to another user previously. I think you need to change the USB cable. This was the issue in that users situation. Code: [245950.530007] usb 2-2: New USB device found, idVendor=0421, idProduct=0106 ..... [245953.530381] usb 2-2: USB disconnect, device number 17
[245950.530007] usb 2-2: New USB device found, idVendor=0421, idProduct=0106 ..... [245953.530381] usb 2-2: USB disconnect, device number 17
[187130.363508] usb usb3: root hub lost power or was reset [187130.363553] usb usb4: root hub lost power or was reset [187130.363601] usb usb5: root hub lost power or was reset [187130.363816] usb usb6: root hub lost power or was reset [187130.363857] usb usb7: root hub lost power or was reset [187130.363899] usb usb8: root hub lost power or was reset [187130.608048] usb 2-6: reset high-speed USB device number 2 using ehci_hcd [187130.864050] usb 4-1: reset full-speed USB device number 2 using uhci_hcd [199428.479509] usb usb3: root hub lost power or was reset [199428.479552] usb usb4: root hub lost power or was reset [199428.479600] usb usb5: root hub lost power or was reset [199428.479814] usb usb6: root hub lost power or was reset [199428.479856] usb usb7: root hub lost power or was reset [199428.479898] usb usb8: root hub lost power or was reset [199428.724049] usb 2-6: reset high-speed USB device number 2 using ehci_hcd [199428.976048] usb 4-1: reset full-speed USB device number 2 using uhci_hcd [206070.839568] usb usb3: root hub lost power or was reset [206070.839612] usb usb4: root hub lost power or was reset [206070.839658] usb usb5: root hub lost power or was reset [206070.839871] usb usb6: root hub lost power or was reset [206070.839915] usb usb7: root hub lost power or was reset [206070.839957] usb usb8: root hub lost power or was reset [206071.084058] usb 2-6: reset high-speed USB device number 2 using ehci_hcd [206071.340049] usb 4-1: reset full-speed USB device number 2 using uhci_hcd [209458.531586] usb usb3: root hub lost power or was reset [209458.531629] usb usb4: root hub lost power or was reset [209458.531677] usb usb5: root hub lost power or was reset [209458.531893] usb usb6: root hub lost power or was reset [209458.531935] usb usb7: root hub lost power or was reset [209458.531978] usb usb8: root hub lost power or was reset [209458.776059] usb 2-6: reset high-speed USB device number 2 using ehci_hcd [209459.028045] usb 4-1: reset full-speed USB device number 2 using uhci_hcd [210962.291586] usb usb3: root hub lost power or was reset [210962.291632] usb usb4: root hub lost power or was reset [210962.291679] usb usb5: root hub lost power or was reset [210962.291898] usb usb6: root hub lost power or was reset [210962.291941] usb usb7: root hub lost power or was reset [210962.291983] usb usb8: root hub lost power or was reset [210962.536059] usb 2-6: reset high-speed USB device number 2 using ehci_hcd [210962.792056] usb 4-1: reset full-speed USB device number 2 using uhci_hcd [212497.835580] usb usb3: root hub lost power or was reset [212497.835626] usb usb4: root hub lost power or was reset [212497.835672] usb usb5: root hub lost power or was reset [212497.835886] usb usb6: root hub lost power or was reset [212497.835929] usb usb7: root hub lost power or was reset [212497.835971] usb usb8: root hub lost power or was reset [212498.080054] usb 2-6: reset high-speed USB device number 2 using ehci_hcd [212498.336049] usb 4-1: reset full-speed USB device number 2 using uhci_hcd [216934.011550] usb usb3: root hub lost power or was reset [216934.011595] usb usb4: root hub lost power or was reset [216934.011643] usb usb5: root hub lost power or was reset [216934.011859] usb usb6: root hub lost power or was reset [216934.011901] usb usb7: root hub lost power or was reset [216934.011943] usb usb8: root hub lost power or was reset [216934.256058] usb 2-6: reset high-speed USB device number 2 using ehci_hcd [216934.508047] usb 4-1: reset full-speed USB device number 2 using uhci_hcd [218640.735512] usb usb3: root hub lost power or was reset [218640.735556] usb usb4: root hub lost power or was reset [218640.735604] usb usb5: root hub lost power or was reset [218640.735820] usb usb6: root hub lost power or was reset [218640.735863] usb usb7: root hub lost power or was reset [218640.735905] usb usb8: root hub lost power or was reset [218640.980059] usb 2-6: reset high-speed USB device number 2 using ehci_hcd [218641.232048] usb 4-1: reset full-speed USB device number 2 using uhci_hcd [230435.103573] usb usb3: root hub lost power or was reset [230435.103627] usb usb4: root hub lost power or was reset [230435.103675] usb usb5: root hub lost power or was reset [230435.103890] usb usb6: root hub lost power or was reset [230435.103932] usb usb7: root hub lost power or was reset [230435.103974] usb usb8: root hub lost power or was reset [230435.348048] usb 2-6: reset high-speed USB device number 2 using ehci_hcd [230435.600047] usb 4-1: reset full-speed USB device number 2 using uhci_hcd [233851.060078] usb 2-2: new high-speed USB device number 12 using ehci_hcd [233851.192949] usb 2-2: unable to get BOS descriptor [233851.194068] usb 2-2: New USB device found, idVendor=0421, idProduct=0106 [233851.194077] usb 2-2: New USB device strings: Mfr=34, Product=38, SerialNumber=0 [233851.194084] usb 2-2: Product: Nokia USB ROM [233851.194089] usb 2-2: Manufacturer: Nokia [233854.194557] usb 2-2: USB disconnect, device number 12 [233856.016079] usb 2-2: new high-speed USB device number 13 using ehci_hcd [233856.155093] usb 2-2: New USB device found, idVendor=0421, idProduct=0105 [233856.155103] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=5 [233856.155110] usb 2-2: Product: N9 (Update mode) [233856.155115] usb 2-2: Manufacturer: Nokia [233856.155120] usb 2-2: SerialNumber: 357923046802940 [233856.202193] usbcore: registered new interface driver cdc_phonet [233933.301728] usb 2-2: USB disconnect, device number 13 [233935.060087] usb 2-2: new high-speed USB device number 14 using ehci_hcd [233935.193233] usb 2-2: New USB device found, idVendor=0421, idProduct=01c8 [233935.193242] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [233935.193249] usb 2-2: Product: N9 (Update mode) [233935.193255] usb 2-2: Manufacturer: Nokia [233935.193259] usb 2-2: SerialNumber: 357923046802940 [233936.967155] usb 2-2: usbfs: process 8803 (flasher) did not claim interface 2 before use [234075.228334] usb 2-2: USB disconnect, device number 14 [234076.732083] usb 2-2: new high-speed USB device number 15 using ehci_hcd [234076.871077] usb 2-2: New USB device found, idVendor=0421, idProduct=0105 [234076.871086] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=5 [234076.871093] usb 2-2: Product: N9 (Update mode) [234076.871098] usb 2-2: Manufacturer: Nokia [234076.871103] usb 2-2: SerialNumber: 357923046802940 [234079.425326] usb 2-2: USB disconnect, device number 15 [244348.320085] usb 2-2: new high-speed USB device number 16 using ehci_hcd [244348.453491] usb 2-2: New USB device found, idVendor=0421, idProduct=0518 [244348.453500] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [244348.453507] usb 2-2: Product: Nokia N9 [244348.453512] usb 2-2: Manufacturer: Nokia [244348.453517] usb 2-2: SerialNumber: 357923046802940 [244348.454540] scsi13 : usb-storage 2-2:1.0 [244440.184412] usb 2-2: USB disconnect, device number 16 [245601.047568] usb usb3: root hub lost power or was reset [245601.047620] usb usb4: root hub lost power or was reset [245601.047668] usb usb5: root hub lost power or was reset [245601.047883] usb usb6: root hub lost power or was reset [245601.047926] usb usb7: root hub lost power or was reset [245601.047967] usb usb8: root hub lost power or was reset [245601.292058] usb 2-6: reset high-speed USB device number 2 using ehci_hcd [245601.548044] usb 4-1: reset full-speed USB device number 2 using uhci_hcd [245950.396088] usb 2-2: new high-speed USB device number 17 using ehci_hcd [245950.528891] usb 2-2: unable to get BOS descriptor [245950.530007] usb 2-2: New USB device found, idVendor=0421, idProduct=0106 [245950.530011] usb 2-2: New USB device strings: Mfr=34, Product=38, SerialNumber=0 [245950.530015] usb 2-2: Product: Nokia USB ROM [245950.530017] usb 2-2: Manufacturer: Nokia [245953.530381] usb 2-2: USB disconnect, device number 17 [245955.620078] usb 2-2: new high-speed USB device number 18 using ehci_hcd [245955.842559] usb 2-2: New USB device found, idVendor=0421, idProduct=0105 [245955.842568] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=5 [245955.842576] usb 2-2: Product: N9 (Update mode) [245955.842581] usb 2-2: Manufacturer: Nokia [245955.842586] usb 2-2: SerialNumber: 357923041124993 [245958.321793] usb 2-2: USB disconnect, device number 18 [247031.088057] usb 2-2: new high-speed USB device number 19 using ehci_hcd [247031.220945] usb 2-2: unable to get BOS descriptor [247031.222063] usb 2-2: New USB device found, idVendor=0421, idProduct=0106 [247031.222072] usb 2-2: New USB device strings: Mfr=34, Product=38, SerialNumber=0 [247031.222079] usb 2-2: Product: Nokia USB ROM [247031.222084] usb 2-2: Manufacturer: Nokia [247034.222551] usb 2-2: USB disconnect, device number 19 [247036.312068] usb 2-2: new high-speed USB device number 20 using ehci_hcd [247036.534594] usb 2-2: New USB device found, idVendor=0421, idProduct=0105 [247036.534604] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=5 [247036.534611] usb 2-2: Product: N9 (Update mode) [247036.534616] usb 2-2: Manufacturer: Nokia [247036.534621] usb 2-2: SerialNumber: 357923041124993 [247039.013838] usb 2-2: USB disconnect, device number 20 [247384.236090] usb 2-2: new high-speed USB device number 21 using ehci_hcd [247384.368905] usb 2-2: unable to get BOS descriptor [247384.370026] usb 2-2: New USB device found, idVendor=0421, idProduct=0106 [247384.370035] usb 2-2: New USB device strings: Mfr=34, Product=38, SerialNumber=0 [247384.370042] usb 2-2: Product: Nokia USB ROM [247384.370047] usb 2-2: Manufacturer: Nokia [247387.370542] usb 2-2: USB disconnect, device number 21 [247389.464088] usb 2-2: new high-speed USB device number 22 using ehci_hcd [247389.686560] usb 2-2: New USB device found, idVendor=0421, idProduct=0105 [247389.686569] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=5 [247389.686577] usb 2-2: Product: N9 (Update mode) [247389.686582] usb 2-2: Manufacturer: Nokia [247389.686587] usb 2-2: SerialNumber: 357923041124993 [247392.167409] usb 2-2: USB disconnect, device number 22 [247523.756049] usb 2-2: new high-speed USB device number 23 using ehci_hcd [247523.888947] usb 2-2: unable to get BOS descriptor [247523.890064] usb 2-2: New USB device found, idVendor=0421, idProduct=0106 [247523.890073] usb 2-2: New USB device strings: Mfr=34, Product=38, SerialNumber=0 [247523.890080] usb 2-2: Product: Nokia USB ROM [247523.890085] usb 2-2: Manufacturer: Nokia [247526.890583] usb 2-2: USB disconnect, device number 23 [247528.984079] usb 2-2: new high-speed USB device number 24 using ehci_hcd [247529.206476] usb 2-2: New USB device found, idVendor=0421, idProduct=0105 [247529.206486] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=5 [247529.206494] usb 2-2: Product: N9 (Update mode) [247529.206499] usb 2-2: Manufacturer: Nokia [247529.206504] usb 2-2: SerialNumber: 357923041124993 [247531.687340] usb 2-2: USB disconnect, device number 24