Same issue with E220:

[ 4060.068051] usb 3-1: new full speed USB device using uhci_hcd and address 22
[ 4060.230258] usb 3-1: configuration #1 chosen from 1 choice
[ 4060.237777] scsi134 : SCSI emulation for USB Mass Storage devices
[ 4060.238017] usb-storage: device found at 22
[ 4060.238022] usb-storage: waiting for device to settle before scanning
[ 4060.424127] usb 3-1: USB disconnect, address 22
[ 4061.160061] usb 3-1: new full speed USB device using uhci_hcd and address 23
[ 4061.323258] usb 3-1: configuration #1 chosen from 1 choice
[ 4061.330765] option 3-1:1.0: GSM modem (1-port) converter detected
[ 4061.330850] usb 3-1: GSM modem (1-port) converter now attached to ttyUSB0
[ 4061.333206] option 3-1:1.1: GSM modem (1-port) converter detected
[ 4061.333274] usb 3-1: GSM modem (1-port) converter now attached to ttyUSB1
[ 4061.339421] scsi137 : SCSI emulation for USB Mass Storage devices
[ 4061.351221] usb-storage: device found at 23
[ 4061.351225] usb-storage: waiting for device to settle before scanning
[ 4066.350149] usb-storage: device scan complete
[ 4066.354135] scsi 137:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
[ 4066.383094] sr1: scsi-1 drive
[ 4066.383346] sr 137:0:0:0: Attached scsi CD-ROM sr1
[ 4066.383494] sr 137:0:0:0: Attached scsi generic sg2 type 5
[ 4077.753095] sr1: CDROM (ioctl) error, command: Get configuration 46 00 00 00 00 00 00 00 20 00
[ 4077.753122] sr: Sense Key : No Sense [current] 
[ 4077.753131] sr: Add. Sense: No additional sense information
[ 4078.016109] sr1: CDROM (ioctl) error, command: Get configuration 46 00 00 00 00 00 00 00 20 00
[ 4078.016137] sr: Sense Key : No Sense [current] 
[ 4078.016146] sr: Add. Sense: No additional sense information
[ 4078.155063] option: option_instat_callback: error -108
[ 4078.156301] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
[ 4078.156324] option 3-1:1.0: device disconnected
[ 4078.156388] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
[ 4078.156405] option 3-1:1.1: device disconnected
[ 4078.324045] usb 3-1: reset full speed USB device using uhci_hcd and address 23
[ 4078.471254] option 3-1:1.1: GSM modem (1-port) converter detected
[ 4078.471417] usb 3-1: GSM modem (1-port) converter now attached to ttyUSB0
[ 4078.479115] option 3-1:1.0: GSM modem (1-port) converter detected
[ 4078.479276] usb 3-1: GSM modem (1-port) converter now attached to ttyUSB1
[ 4078.876079] option: option_instat_callback: error -108
[ 4078.877639] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
[ 4078.877683] option 3-1:1.0: device disconnected
[ 4078.877796] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
[ 4078.877827] option 3-1:1.1: device disconnected
[ 4079.000069] usb 3-1: reset full speed USB device using uhci_hcd and address 23
[ 4079.124035] usb 3-1: device descriptor read/64, error -71
[ 4079.296744] usb 3-1: USB disconnect, address 23

cirne@cirne-laptop:/var/log$ lsusb
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 026: ID 12d1:1003 Huawei Technologies Co., Ltd. E220 HSDPA Modem / E270 HSDPA/HSUPA Modem
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 002: ID 044e:300c Alps Electric Co., Ltd Bluetooth Controller (ALPS/UGPZ6)
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
cirne@cirne-laptop:/var/log$ uname -a
Linux cirne-laptop 2.6.31-14-generic #48-Ubuntu SMP Fri Oct 16 14:04:26 UTC 2009 i686 GNU/Linux

It's in a loop, trying to mount the "CDROM" on E220 and reseting, unable to connect even with the workarounds.

Where can we find a patch/fix for this? :)