[Xenial][ DW5816e] to support qmi over mbim which needed for FCC authentication.
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ModemManager |
New
|
Undecided
|
Unassigned | ||
OEM Priority Project |
Fix Released
|
Critical
|
Alex Tu | ||
Xenial |
Fix Released
|
Critical
|
Unassigned | ||
modemmanager (Ubuntu) |
Fix Released
|
Critical
|
Alfonso Sanchez-Beato |
Bug Description
# issue:
* 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-
- libmbim-
- libmbim-
- libmbim-
- libqmi-
- libqmi-
* 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-
- passed case: http://
- failed case: http://
# 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.
# environment information:
* modinfo cdc_mbim for original kernel module: http://
- the code /driver/
* uname -r: 4.4.0-73-generic
* lsusb -v: http://
FCC authentication reference:
* http://
* https:/
- wait landing: LP: #1725190
tags: | added: 1677955 |
description: | updated |
Changed in oem-priority: | |
status: | New → In Progress |
assignee: | nobody → Alex Tu (alextu) |
Changed in oem-priority: | |
importance: | Undecided → Critical |
no longer affects: | oem-priority/xenial |
Changed in oem-priority: | |
status: | In Progress → Confirmed |
Changed in oem-priority: | |
status: | Confirmed → Triaged |
tags: | added: xenial |
tags: | added: risk |
Changed in modemmanager (Ubuntu): | |
assignee: | nobody → Alfonso Sanchez-Beato (alfonsosanchezbeato) |
status: | New → Confirmed |
tags: | added: sru |
tags: | removed: risk |
description: | updated |
Changed in modemmanager (Ubuntu): | |
importance: | Undecided → Critical |
item fixed:
* let the newer version packages could also works well on Xenial.
disabling tlp and Yakkety packages are always works well on Xenial.