I have the same problem with my HUAWEI E156G HSDPA USB Stick I will attach the output from the syslog log file after attaching the USB stick and the output of "lsusb -vv"
** Attachment added: "syslog.log" https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/825832/+attachment/2538276/+files/syslog.log -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/825832 Title: Modem E156G not woking modem-manager loop Status in “network-manager” package in Ubuntu: Confirmed Bug description: If I attach my 3G modem E156G the computer hangs or goes slow (high load average) and NM does not detect it. If I attach another modem (ie: E169G) everything seems OK. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/825832/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

