Comment 7 for bug 446146

Below is part of dmesg (2.6.31-13#43) showing the 'loop':

g@KKsep22:~$ dmesg
[ 1261.396207] usb 2-2: new full speed USB device using uhci_hcd and address 4
[ 1261.616651] usb 2-2: configuration #1 chosen from 1 choice
[ 1261.634400] scsi86 : SCSI emulation for USB Mass Storage devices
[ 1261.637423] usb-storage: device found at 4
[ 1261.637438] usb-storage: waiting for device to settle before scanning
[ 1261.744264] usb 2-2: USB disconnect, address 4
[ 1262.480201] usb 2-2: new full speed USB device using uhci_hcd and address 5
[ 1262.645650] usb 2-2: configuration #1 chosen from 1 choice
[ 1262.653302] option 2-2:1.0: GSM modem (1-port) converter detected
[ 1262.653695] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0
[ 1262.656890] option 2-2:1.1: GSM modem (1-port) converter detected
[ 1262.657342] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB1
[ 1262.666827] option 2-2:1.2: GSM modem (1-port) converter detected
[ 1262.667166] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB2
[ 1262.672207] scsi90 : SCSI emulation for USB Mass Storage devices
[ 1262.678576] usb-storage: device found at 5
[ 1262.678585] usb-storage: waiting for device to settle before scanning
[ 1267.678453] usb-storage: device scan complete
[ 1267.681422] scsi 90:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2
[ 1267.684423] scsi 90:0:0:1: Direct-Access HUAWEI SD Storage 2.31 PQ: 0 ANSI: 2
[ 1267.715350] sr0: scsi-1 drive
[ 1267.715798] sr 90:0:0:0: Attached scsi CD-ROM sr0
[ 1267.716193] sr 90:0:0:0: Attached scsi generic sg2 type 5
[ 1267.716944] sd 90:0:0:1: Attached scsi generic sg3 type 0
[ 1267.749246] option: option_instat_callback: error -108
[ 1267.749530] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
[ 1267.749596] option 2-2:1.0: device disconnected
[ 1267.752224] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
[ 1267.752271] option 2-2:1.1: device disconnected
[ 1267.755231] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2
[ 1267.755279] option 2-2:1.2: device disconnected
[ 1267.864140] usb 2-2: reset full speed USB device using uhci_hcd and address 5
[ 1268.011659] option 2-2:1.2: GSM modem (1-port) converter detected
[ 1268.011950] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0
[ 1268.012354] option 2-2:1.1: GSM modem (1-port) converter detected
[ 1268.012698] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB1
[ 1268.013127] option 2-2:1.0: GSM modem (1-port) converter detected
[ 1268.013513] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB2
[ 1268.091233] option: option_instat_callback: error -108
[ 1268.099009] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2
[ 1268.099071] option 2-2:1.0: device disconnected
[ 1268.099265] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
[ 1268.099322] option 2-2:1.1: device disconnected
[ 1268.099495] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
[ 1268.099547] option 2-2:1.2: device disconnected
[ 1268.212136] usb 2-2: reset full speed USB device using uhci_hcd and address 5
[ 1268.363660] option 2-2:1.2: GSM modem (1-port) converter detected
[ 1268.363949] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0
[ 1268.368194] option 2-2:1.1: GSM modem (1-port) converter detected
[ 1268.368600] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB1
[ 1268.377822] option 2-2:1.0: GSM modem (1-port) converter detected
[ 1268.378069] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB2
[ 1268.420234] option: option_instat_callback: error -108
[ 1268.437314] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2
[ 1268.437373] option 2-2:1.0: device disconnected
[ 1268.437538] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
[ 1268.437591] option 2-2:1.1: device disconnected
[ 1268.437757] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
[ 1268.437809] option 2-2:1.2: device disconnected
[ 1268.549191] usb 2-2: reset full speed USB device using uhci_hcd and address 5
[ 1268.699661] option 2-2:1.2: GSM modem (1-port) converter detected
[ 1268.699950] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0
[ 1268.700381] option 2-2:1.1: GSM modem (1-port) converter detected
[ 1268.700738] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB1
[ 1268.704079] option 2-2:1.0: GSM modem (1-port) converter detected
[ 1268.704464] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB2
[ 1268.764235] option: option_instat_callback: error -108
[ 1268.764481] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2
[ 1268.764540] option 2-2:1.0: device disconnected
[ 1268.764733] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
[ 1268.764785] option 2-2:1.1: device disconnected