Finally I got a connection without 'trims' or modifications, just WAITed some minutes (3-5') till my broadband connection appeared to network manager icon.
System info: ------------ pc: asus eeepc 1000h os: Lucid Lynx alpha1 + updates (14-Dec) kernel 2.6.32-8-generic #12 3g: ZTE MF636 19d2:2000 (when attached) 19d2:0031 (when connected) Notes: ------ 1. my system runs from installation on SDHC card (maybe slower) 2. wifi and bluetooth were enabled Results: -------- Although looping creation/disconnection of ttyUSB0-1-2 happens (as in previous comments) the connection made. I realized that port numbering (ttyUSBx) is stable (0-1-2) as below: [ 193.944529] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2 [ 193.944615] option 1-3:1.0: device disconnected [ 205.929604] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 [ 205.929696] option 1-3:1.1: device disconnected [ 205.929866] option: option_instat_callback: error -108 [ 205.930216] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 [ 205.930328] option 1-3:1.3: device disconnected [ 206.040127] usb 1-3: reset high speed USB device using ehci_hcd and address 6 [ 206.174960] option 1-3:1.3: GSM modem (1-port) converter detected [ 206.175864] usb 1-3: GSM modem (1-port) converter now attached to ttyUSB0 [ 206.176308] option 1-3:1.1: GSM modem (1-port) converter detected [ 206.180126] usb 1-3: GSM modem (1-port) converter now attached to ttyUSB1 [ 206.180345] option 1-3:1.0: GSM modem (1-port) converter detected [ 206.182341] usb 1-3: GSM modem (1-port) converter now attached to ttyUSB2 Extra info: ----------- Attached is the dmesg I got doing the following actions: 0. boot without modem, wait for the system to fully load 1. sudo dmesg -c # (to clear initial lines) 2. modem attached 3. click on network manager every 20 seconds till the pre-configured mobile broadband connection appear as selection 4. dmesg > Desktop/LLa1_dmesg.txt 5. try & suceed connection via network manager Regards, George ** Attachment added: "LLa1_dmesg.txt" http://launchpadlibrarian.net/36787673/LLa1_dmesg.txt -- ZTE MF636 3G modem cannot used in Karmic https://bugs.launchpad.net/bugs/408555 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