The kernel fix actually breaks the use of the modem with Network manager, so this must be solved before Ubuntu 12.10:
Jun 11 13:42:53 marius-T1005 NetworkManager[1174]: <info> Auto-activating connection 'Netcom'. Jun 11 13:42:53 marius-T1005 NetworkManager[1174]: <info> Activation (wwan0) starting connection 'Netcom' Jun 11 13:42:53 marius-T1005 NetworkManager[1174]: <info> (wwan0): device state change: disconnected -> prepare (reason 'none') [30 40 0] Jun 11 13:42:53 marius-T1005 NetworkManager[1174]: <info> Activation (wwan0) Stage 1 of 5 (Device Prepare) scheduled... Jun 11 13:42:53 marius-T1005 NetworkManager[1174]: <info> Activation (wwan0) Stage 1 of 5 (Device Prepare) started... Jun 11 13:42:53 marius-T1005 NetworkManager[1174]: <info> (wwan0): device state change: prepare -> need-auth (reason 'none') [40 60 0] Jun 11 13:42:53 marius-T1005 NetworkManager[1174]: <info> Activation (wwan0) Stage 1 of 5 (Device Prepare) complete. Jun 11 13:42:53 marius-T1005 NetworkManager[1174]: <info> Activation (wwan0) Stage 1 of 5 (Device Prepare) scheduled... Jun 11 13:42:53 marius-T1005 NetworkManager[1174]: <info> Activation (wwan0) Stage 1 of 5 (Device Prepare) started... Jun 11 13:42:53 marius-T1005 NetworkManager[1174]: <info> (wwan0): device state change: need-auth -> prepare (reason 'none') [60 40 0] Jun 11 13:42:53 marius-T1005 NetworkManager[1174]: <info> Activation (wwan0) Stage 1 of 5 (Device Prepare) complete. Jun 11 13:43:19 marius-T1005 NetworkManager[1174]: <warn> GSM connection failed: (32) Serial command timed out Jun 11 13:43:19 marius-T1005 NetworkManager[1174]: <info> (wwan0): device state change: prepare -> failed (reason 'unknown') [40 120 1] Jun 11 13:43:19 marius-T1005 NetworkManager[1174]: <warn> Activation (wwan0) failed. Jun 11 13:43:19 marius-T1005 NetworkManager[1174]: <info> (wwan0): device state change: failed -> disconnected (reason 'none') [120 30 0] Jun 11 13:43:19 marius-T1005 NetworkManager[1174]: <info> (wwan0): deactivating device (reason 'none') [0] I guess modemmanager should communicate with the new /dev/cdc-wdm0 instead of wwan0. -- 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/977761 Title: Connection with ZTE MF820D LTE/4G modem not using new qmi-wdm/qmi_wwan kernel modules Status in ModemManager (with NetworkManager support): New Status in “linux” package in Ubuntu: Fix Released Status in “modemmanager” package in Ubuntu: Triaged Status in “network-manager” package in Ubuntu: Invalid Bug description: USB modeswitching works ok, and the network operator appears in the NM menu, but it fails to connect. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: modemmanager 0.5.2.0-0ubuntu2 ProcVersionSignature: Ubuntu 3.2.0-22.35-generic-pae 3.2.14 Uname: Linux 3.2.0-22-generic-pae i686 ApportVersion: 2.0-0ubuntu4 Architecture: i386 Date: Tue Apr 10 08:48:55 2012 EcryptfsInUse: Yes SourcePackage: modemmanager UpgradeStatus: No upgrade log present (probably fresh install) --- ApportVersion: 2.0.1-0ubuntu7 Architecture: i386 DistroRelease: Ubuntu 12.04 EcryptfsInUse: Yes Package: modemmanager 0.5.2.0-0ubuntu2 [modified: lib/udev/rules.d/77-mm-zte-port-types.rules] PackageArchitecture: i386 ProcEnviron: LANGUAGE=nb_NO:nb:no_NO:no:nn_NO:nn:en TERM=xterm PATH=(custom, user) LANG=nb_NO.UTF-8 SHELL=/bin/bash Tags: precise precise Uname: Linux 3.4.0-030400rc4-generic i686 UnreportableReason: The running kernel is not an Ubuntu kernel UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm dialout lpadmin sambashare sudo To manage notifications about this bug go to: https://bugs.launchpad.net/modemmanager/+bug/977761/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp