Tested with http://kernel.ubuntu.com/~kernel- ppa/mainline/v3.5-rc3-quantal/
No go. uname -a Linux penguin 3.5.0-030500rc3-generic #201206162135 SMP Sun Jun 17 01:43:31 UTC 2012 i686 i686 i386 GNU/Linux dmesg [ 44.602595] usb 2-1.2: new full-speed USB device number 3 using ehci_hcd [ 44.768905] cdc_acm 2-1.2:1.0: Zero length descriptor references [ 44.768915] cdc_acm: probe of 2-1.2:1.0 failed with error -22 [ 44.768932] usbcore: registered new interface driver cdc_acm [ 44.768934] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters ls /dev/*ACM* ls: cannot access /dev/*ACM*: No such file or directory ** Tags added: kernel-bug-exists-upstream ** Tags removed: needs-upstream-testing ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1017326 Title: Trivial fix; need to add device ID 0572:1340 for USB modem to work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1017326/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs