Comment 0 for bug 546728

My Huawei E620 USB Modem works fine in Karmic, but seems not to be detected in Lucid.

lsusb from Karmic:
Bus 002 Device 004: ID 12d1:1001 Huawei Technologies Co., Ltd. E620 USB Modem

lsusb from Lucid:
Bus 002 Device 003: ID 12d1:1446 Huawei Technologies Co., Ltd.

dmesg from Karmic

[ 113.444103] usb 2-3: new high speed USB device using ehci_hcd and address 3
[ 113.587944] usb 2-3: configuration #1 chosen from 1 choice
[ 114.938351] Initializing USB Mass Storage driver...
[ 114.938569] scsi4 : SCSI emulation for USB Mass Storage devices
[ 114.938781] scsi5 : SCSI emulation for USB Mass Storage devices
[ 114.938922] usbcore: registered new interface driver usb-storage
[ 114.938928] USB Mass Storage support registered.
[ 114.954581] usb-storage: device found at 3
[ 114.954585] usb-storage: waiting for device to settle before scanning
[ 114.954594] usb-storage: device found at 3
[ 114.954596] usb-storage: waiting for device to settle before scanning
[ 119.885218] usb 2-3: USB disconnect, address 3
[ 126.052072] usb 2-3: new high speed USB device using ehci_hcd and address 4
[ 126.195930] usb 2-3: configuration #1 chosen from 1 choice
[ 126.211227] scsi9 : SCSI emulation for USB Mass Storage devices
[ 126.215155] scsi10 : SCSI emulation for USB Mass Storage devices
[ 126.215350] usb-storage: device found at 4
[ 126.215355] usb-storage: waiting for device to settle before scanning
[ 126.218409] usb-storage: device found at 4
[ 126.218412] usb-storage: waiting for device to settle before scanning
[ 126.244956] usbcore: registered new interface driver usbserial
[ 126.244973] USB Serial support registered for generic
[ 126.245012] usbcore: registered new interface driver usbserial_generic
[ 126.245015] usbserial: USB Serial Driver core
[ 126.255423] USB Serial support registered for GSM modem (1-port)
[ 126.255479] option 2-3:1.0: GSM modem (1-port) converter detected
[ 126.255585] usb 2-3: GSM modem (1-port) converter now attached to ttyUSB0
[ 126.255597] option 2-3:1.1: GSM modem (1-port) converter detected
[ 126.255655] usb 2-3: GSM modem (1-port) converter now attached to ttyUSB1
[ 126.255665] option 2-3:1.2: GSM modem (1-port) converter detected
[ 126.255718] usb 2-3: GSM modem (1-port) converter now attached to ttyUSB2
[ 126.255743] usbcore: registered new interface driver option
[ 126.255745] option: v0.7.2:USB Driver for GSM modems
[ 131.213759] usb-storage: device scan complete
[ 131.215941] scsi 10:0:0:0: Direct-Access HUAWEI MMC Storage 2.31 PQ: 0 ANSI: 2
[ 131.216750] sd 10:0:0:0: Attached scsi generic sg2 type 0
[ 131.225629] usb-storage: device scan complete
[ 131.229585] scsi 9:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2
[ 131.239842] sd 10:0:0:0: [sdb] Attached SCSI removable disk
[ 131.262233] sr1: scsi-1 drive
[ 131.262477] sr 9:0:0:0: Attached scsi CD-ROM sr1
[ 131.262602] sr 9:0:0:0: Attached scsi generic sg3 type 5
[ 132.036178] PPP BSD Compression module registered
[ 132.075192] PPP Deflate Compression module registered
[ 148.510328] ISO 9660 Extensions: Microsoft Joliet Level 1
[ 148.522489] ISOFS: changing to secondary root

dmesg from Lucid

[ 833.976061] usb 2-3: new high speed USB device using ehci_hcd and address 3
[ 834.120786] usb 2-3: configuration #1 chosen from 1 choice
[ 834.211377] Initializing USB Mass Storage driver...
[ 834.213289] scsi4 : SCSI emulation for USB Mass Storage devices
[ 834.213634] usb-storage: device found at 3
[ 834.213639] usb-storage: waiting for device to settle before scanning
[ 834.213686] scsi5 : SCSI emulation for USB Mass Storage devices
[ 834.217039] usbcore: registered new interface driver usb-storage
[ 834.217043] USB Mass Storage support registered.
[ 834.221433] usb-storage: device found at 3
[ 834.221436] usb-storage: waiting for device to settle before scanning
[ 839.213521] usb-storage: device scan complete
[ 839.215795] scsi 4:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2
[ 839.224134] usb-storage: device scan complete
[ 839.227105] scsi 5:0:0:0: Direct-Access HUAWEI MMC Storage 2.31 PQ: 0 ANSI: 2
[ 839.241156] sr1: scsi-1 drive
[ 839.241430] sr 4:0:0:0: Attached scsi CD-ROM sr1
[ 839.241584] sr 4:0:0:0: Attached scsi generic sg2 type 5
[ 839.249036] sd 5:0:0:0: Attached scsi generic sg3 type 0
[ 839.267669] sd 5:0:0:0: [sdb] Attached SCSI removable disk
[ 859.757424] ISO 9660 Extensions: Microsoft Joliet Level 1
[ 859.774827] ISOFS: changing to secondary root