It might be a case of the modem not adhering to the standards. I remember a similar problem with Huawei sticks, exposed when the 2.6.32 kernel started to enforce protocols more strictly.
Anyway, this is well over my head and should probably go to the "linux- usb" mail list. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/979697 Title: Modeswitching modem not working in USB 3.0 port To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/979697/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs