** Description changed: # issue: - * wwan card DW5816e[413c:81cc] couldn't be recognized by modemmanager 1.4.12-1ubuntu1 on xenial. - - but works well on on Yakkety. + * wwan card DW5816e[413c:81cc] couldn't be recognized by modemmanager 1.4.12-1ubuntu1 on xenial. + - but works well on on Yakkety. # investgation: - * in failed case, mmcli -L shows nothing on Xenial with DW5816. Then tried install followed packages from Yakkety ppa on Xenial and wwan card works on 1st boot but failed after 2nd boot sometimes. - - libmbim-glib4_1.14.0-1_amd64.deb - - libmbim-glib-dev_1.14.0-1_amd64.deb - - libmbim-proxy_1.14.0-1_amd64.deb - - libmbim-utils_1.14.0-1_amd64.deb - - libqmi-glib5_1.16.0-1_amd64.deb - - libqmi-proxy_1.16.0-1_amd64.deb + * in failed case, mmcli -L shows nothing on Xenial with DW5816. Then tried install followed packages from Yakkety ppa on Xenial and wwan card works on 1st boot but failed after 2nd boot sometimes. + - libmbim-glib4_1.14.0-1_amd64.deb + - libmbim-glib-dev_1.14.0-1_amd64.deb + - libmbim-proxy_1.14.0-1_amd64.deb + - libmbim-utils_1.14.0-1_amd64.deb + - libqmi-glib5_1.16.0-1_amd64.deb + - libqmi-proxy_1.16.0-1_amd64.deb - * different from ModemManager --debug - - In passed case, it received message from /dev/cdc-wdm1 after send "Read max control message size from descriptors file: 4096" , but not happens to failed case. So, it prints "[mm-port-probe.c:261] mm_port_probe_set_result_qcdm(): (tty/ttyS4) port is not QCDM-capable" in failed case. - - passed case: http://paste.ubuntu.com/24664908/ - - failed case: http://paste.ubuntu.com/24664910/ + * different from ModemManager --debug + - In passed case, it received message from /dev/cdc-wdm1 after send "Read max control message size from descriptors file: 4096" , but not happens to failed case. So, it prints "[mm-port-probe.c:261] mm_port_probe_set_result_qcdm(): (tty/ttyS4) port is not QCDM-capable" in failed case. + - passed case: http://paste.ubuntu.com/24664908/ + - failed case: http://paste.ubuntu.com/24664910/ # Plan: - * let the newer version packages could also works well on Xenial. - * find out needed patches on newer version packages. - * packport needed patches to older version packages on Xenial. + * let the newer version packages could also works well on Xenial. + * find out needed patches on newer version packages. + * packport needed patches to older version packages on Xenial. # environment information: - * modinfo cdc_mbim for original kernel module: http://paste.ubuntu.com/24662359/ - - the code /driver/net/usb/cdc_mbim.c is the same between xenial kernel 4.4.0 and yakkety kernel 4.8.0. + * modinfo cdc_mbim for original kernel module: http://paste.ubuntu.com/24662359/ + - the code /driver/net/usb/cdc_mbim.c is the same between xenial kernel 4.4.0 and yakkety kernel 4.8.0. - * uname -r: 4.4.0-73-generic + * uname -r: 4.4.0-73-generic - * lsusb -v: http://paste.ubuntu.com/24662332/ + * lsusb -v: http://paste.ubuntu.com/24662332/ + + FCC authentication reference: + * http://lists.infradead.org/pipermail/lede-dev/2016-August/002332.html + * https://lists.freedesktop.org/archives/libmbim-devel/2016-April/thread.html#704
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1693756 Title: [Xenial][ DW5816e] to support qmi over mbim which needed for FCC authentication. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1693756/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
