Hi there,

if I understand it correctly, the modem gets disconnected because it cannot find a proper driver... right?

Or is it something else.?

Thanks


Here's a log:

Jan 21 10:25:01 PRVILXITDDXLK kernel: [90475.992572] usb 2-1: new high speed USB device using ehci_hcd and address 15
Jan 21 10:25:01 PRVILXITDDXLK kernel: [90476.143397] usb 2-1: configuration #1 chosen from 1 choice
Jan 21 10:25:01 PRVILXITDDXLK kernel: [90476.143598] hub 2-1:1.0: USB hub found
Jan 21 10:25:01 PRVILXITDDXLK kernel: [90476.143753] hub 2-1:1.0: 2 ports detected
Jan 21 10:25:05 PRVILXITDDXLK kernel: [90479.772778] usb 2-1.1: new full speed USB device using ehci_hcd and address 16
Jan 21 10:25:05 PRVILXITDDXLK kernel: [90479.885645] usb 2-1.1: configuration #1 chosen from 1 choice
Jan 21 10:25:05 PRVILXITDDXLK kernel: [90479.890973] scsi7 : SCSI emulation for USB Mass Storage devices
Jan 21 10:25:05 PRVILXITDDXLK kernel: [90479.942662] usbcore: deregistering interface driver option
Jan 21 10:25:05 PRVILXITDDXLK kernel: [90479.942751] USB Serial deregistering driver GSM modem (1-port)
Jan 21 10:25:05 PRVILXITDDXLK kernel: [90479.970113] usbcore: deregistering interface driver usbserial_generic
Jan 21 10:25:05 PRVILXITDDXLK kernel: [90479.970184] USB Serial deregistering driver generic
Jan 21 10:25:05 PRVILXITDDXLK kernel: [90479.970206] usbcore: deregistering interface driver usbserial
Jan 21 10:25:06 PRVILXITDDXLK kernel: [90481.213121] usbcore: registered new interface driver usbserial
Jan 21 10:25:06 PRVILXITDDXLK kernel: [90481.213185] USB Serial support registered for generic
Jan 21 10:25:06 PRVILXITDDXLK kernel: [90481.213912] usbcore: registered new interface driver usbserial_generic
Jan 21 10:25:06 PRVILXITDDXLK kernel: [90481.213916] usbserial: USB Serial Driver core
Jan 21 10:25:06 PRVILXITDDXLK kernel: [90481.219476] USB Serial support registered for GSM modem (1-port)
Jan 21 10:25:06 PRVILXITDDXLK kernel: [90481.220379] usbcore: registered new interface driver option
Jan 21 10:25:06 PRVILXITDDXLK kernel: [90481.220382] option: v0.7.2:USB Driver for GSM modems
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.312797] usb 2-1.2: new full speed USB device using ehci_hcd and address 17
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.426866] usb 2-1.2: configuration #1 chosen from 1 choice
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.428534] option 2-1.2:1.0: GSM modem (1-port) converter detected
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.428787] usb 2-1.2: GSM modem (1-port) converter now attached to ttyUSB0
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.428981] option 2-1.2:1.1: GSM modem (1-port) converter detected
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.429124] usb 2-1.2: GSM modem (1-port) converter now attached to ttyUSB1
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.429292] option 2-1.2:1.2: GSM modem (1-port) converter detected
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.429435] usb 2-1.2: GSM modem (1-port) converter now attached to ttyUSB2
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.646397] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.646432] option 2-1.2:1.0: device disconnected
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.647958] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.652315] option 2-1.2:1.1: device disconnected
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.653326] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2
Jan 21 10:25:41 PRVILXITDDXLK kernel: [90516.653423] option 2-1.2:1.2: device disconnected
Jan 21 10:25:43 PRVILXITDDXLK kernel: [90518.127129] usb 2-1.1: USB disconnect, address 16
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.162773] usb 2-1.1: new full speed USB device using ehci_hcd and address 18
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.275275] usb 2-1.1: configuration #1 chosen from 1 choice
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.277358] option 2-1.1:1.0: GSM modem (1-port) converter detected
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.277570] usb 2-1.1: GSM modem (1-port) converter now attached to ttyUSB0
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.278082] option 2-1.1:1.1: GSM modem (1-port) converter detected
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.278256] usb 2-1.1: GSM modem (1-port) converter now attached to ttyUSB1
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.278723] option 2-1.1:1.2: GSM modem (1-port) converter detected
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.278892] usb 2-1.1: GSM modem (1-port) converter now attached to ttyUSB2
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.486418] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.486457] option 2-1.1:1.0: device disconnected
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.489020] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.489055] option 2-1.1:1.1: device disconnected
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.489580] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2
Jan 21 10:25:44 PRVILXITDDXLK kernel: [90519.489614] option 2-1.1:1.2: device disconnected