In fact the device is Huawei E1550 I saw some similar threads in karmic and i add more info:
$dmesg (tail) [ 2476.460869] usbcore: registered new interface driver usbserial [ 2476.461265] USB Serial support registered for generic [ 2476.461265] usbcore: registered new interface driver usbserial_generic [ 2476.461265] usbserial: USB Serial Driver core [ 2615.930130] usb 1-1: new high speed USB device using ehci_hcd and address 4 [ 2616.095797] usb 1-1: configuration #1 chosen from 1 choice [ 2616.152114] Initializing USB Mass Storage driver... [ 2616.152444] scsi5 : SCSI emulation for USB Mass Storage devices [ 2616.152690] usb-storage: device found at 4 [ 2616.152694] usb-storage: waiting for device to settle before scanning [ 2616.152748] scsi6 : SCSI emulation for USB Mass Storage devices [ 2616.152912] usbcore: registered new interface driver usb-storage [ 2616.152917] USB Mass Storage support registered. [ 2616.154743] usb-storage: device found at 4 [ 2616.154749] usb-storage: waiting for device to settle before scanning [ 2621.151508] usb-storage: device scan complete [ 2621.153455] usb-storage: device scan complete [ 2621.153697] scsi 6:0:0:0: Direct-Access HUAWEI MMC Storage 2.31 PQ: 0 ANSI: 2 [ 2621.156434] sd 6:0:0:0: Attached scsi generic sg2 type 0 [ 2621.159088] scsi 5:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2 [ 2621.174910] sd 6:0:0:0: [sdb] Attached SCSI removable disk [ 2621.185441] sr1: scsi-1 drive [ 2621.185747] sr 5:0:0:0: Attached scsi CD-ROM sr1 [ 2621.185920] sr 5:0:0:0: Attached scsi generic sg3 type 5 -- mobile broadband not orking after upgrade karmic to lucid https://bugs.launchpad.net/bugs/573242 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs