iB)
[ 5535.016207]  sdc: sdc1
[ 6782.600112] usb 1-3: USB disconnect, device number 2
[ 6782.618455] scsi: killing requests for dead queue
[ 7375.460059] usb 1-3: new high speed USB device number 3 using ehci_hcd
[ 7375.594197] scsi7 : usb-storage 1-3:1.0
[ 7376.592932] scsi 7:0:0:0: Direct-Access     HTC      Android Phone    0000 PQ: 0 ANSI: 2
[ 7376.593055] scsi: killing requests for dead queue
[ 7376.596673] scsi: killing requests for dead queue
[ 7376.605709] scsi: killing requests for dead queue
[ 7376.605903] scsi: killing requests for dead queue
[ 7376.609718] scsi: killing requests for dead queue
[ 7376.609895] scsi: killing requests for dead queue
[ 7376.612471] scsi: killing requests for dead queue
[ 7376.616666] scsi: killing requests for dead queue
[ 7376.617700] sd 7:0:0:0: Attached scsi generic sg3 type 0
[ 7376.622624] sd 7:0:0:0: [sdc] Attached SCSI removable disk
[ 7413.010221] sd 7:0:0:0: [sdc] 15523840 512-byte logical blocks: (7.94 GB/7.40 GiB)
[ 7413.022023]  sdc: sdc1
[ 9660.697843] usb 1-3: USB disconnect, device number 3
[ 9660.720229] scsi: killing requests for dead queue
[15806.696141] hub 5-0:1.0: port 1 disabled by hub (EMI?), re-enabling...
[15806.696154] usb 5-1: USB disconnect, device number 2
[15806.696530] ftdi_sio ttyUSB0: FTDI USB Serial Device converter now disconnected from ttyUSB0
[15806.696560] ftdi_sio 5-1:1.0: device disconnected
[15806.936076] usb 5-1: new full speed USB device number 3 using uhci_hcd
[15807.139262] ftdi_sio 5-1:1.0: FTDI USB Serial Device converter detected
[15807.139338] usb 5-1: Detected FT232RL
[15807.139344] usb 5-1: Number of endpoints 2
[15807.139350] usb 5-1: Endpoint 1 MaxPacketSize 64
[15807.139356] usb 5-1: Endpoint 2 MaxPacketSize 64
[15807.139361] usb 5-1: Setting MaxPacketSize 64
[15807.141305] usb 5-1: FTDI USB Serial Device converter now attached to ttyUSB1
[15907.136110] usb 5-1: USB disconnect, device number 3
[15907.136451] ftdi_sio ttyUSB1: FTDI USB Serial Device converter now disconnected from ttyUSB1
[15907.136490] ftdi_sio 5-1:1.0: device disconnected
[15911.664061] usb 5-1: new full speed USB device number 4 using uhci_hcd
[15911.873209] ftdi_sio 5-1:1.0: FTDI USB Serial Device converter detected
[15911.873290] usb 5-1: Detected FT232RL
[15911.873296] usb 5-1: Number of endpoints 2
[15911.873302] usb 5-1: Endpoint 1 MaxPacketSize 64
[15911.873308] usb 5-1: Endpoint 2 MaxPacketSize 64
[15911.873314] usb 5-1: Setting MaxPacketSize 64
[15911.875219] usb 5-1: FTDI USB Serial Device converter now attached to ttyUSB0
ubuntu@Ubuntu:~$ ^C
ubuntu@Ubuntu:~$ dmesg | grep USB
[    0.919958] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.920032] ehci_hcd 0000:00:1a.7: new USB bus registered, assigned bus number 1
[    0.936013] ehci_hcd 0000:00:1a.7: USB 2.0 started, EHCI 1.00
[    0.936122] hub 1-0:1.0: USB hub found
[    0.936245] ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 2
[    0.956014] ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00
[    0.956123] hub 2-0:1.0: USB hub found
[    0.956207] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    0.956220] uhci_hcd: USB Universal Host Controller Interface driver
[    0.956277] uhci_hcd 0000:00:1a.0: new USB bus registered, assigned bus number 3
[    0.956417] hub 3-0:1.0: USB hub found
[    0.956531] uhci_hcd 0000:00:1a.1: new USB bus registered, assigned bus number 4
[    0.956670] hub 4-0:1.0: USB hub found
[    0.956776] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 5
[    0.956915] hub 5-0:1.0: USB hub found
[    0.957023] uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 6
[    0.957155] hub 6-0:1.0: USB hub found
[    0.957263] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 7
[    0.957391] hub 7-0:1.0: USB hub found
[    0.957500] uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 8
[    0.957639] hub 8-0:1.0: USB hub found
[    1.272117] usb 2-4: new high speed USB device number 2 using ehci_hcd
[    1.880114] usb 7-2: new full speed USB device number 2 using uhci_hcd
[    8.140032] usb 5-1: new full speed USB device number 2 using uhci_hcd
[   20.600220] Bluetooth: Generic Bluetooth USB driver ver 0.6
[   20.802188] USB Video Class driver (v1.1.0)
[   20.855035] USB Serial support registered for generic
[   20.855070] usbserial: USB Serial Driver core
[   20.875798] USB Serial support registered for FTDI USB Serial Device
[   20.875906] ftdi_sio 5-1:1.0: FTDI USB Serial Device converter detected
[   20.885404] usb 5-1: FTDI USB Serial Device converter now attached to ttyUSB0
[   20.885447] ftdi_sio: v1.6.0:USB FTDI Serial Converters Driver
[ 5507.516121] usb 1-3: new high speed USB device number 2 using ehci_hcd
[ 5507.981137] Initializing USB Mass Storage driver...
[ 5507.981358] USB Mass Storage support registered.
[ 6782.600112] usb 1-3: USB disconnect, device number 2
[ 7375.460059] usb 1-3: new high speed USB device number 3 using ehci_hcd
[ 9660.697843] usb 1-3: USB disconnect, device number 3
[15806.696154] usb 5-1: USB disconnect, device number 2
[15806.696530] ftdi_sio ttyUSB0: FTDI USB Serial Device converter now disconnected from ttyUSB0
[15806.936076] usb 5-1: new full speed USB device number 3 using uhci_hcd
[15807.139262] ftdi_sio 5-1:1.0: FTDI USB Serial Device converter detected
[15807.141305] usb 5-1: FTDI USB Serial Device converter now attached to ttyUSB1
[15907.136110] usb 5-1: USB disconnect, device number 3
[15907.136451] ftdi_sio ttyUSB1: FTDI USB Serial Device converter now disconnected from ttyUSB1
[15911.664061] usb 5-1: new full speed USB device number 4 using uhci_hcd
[15911.873209] ftdi_sio 5-1:1.0: FTDI USB Serial Device converter detected
[15911.875219] usb 5-1: FTDI USB Serial Device converter now attached to ttyUSB0