The attachment "sync-wwan-enabled.patch" seems to be a patch.  If it
isn't, please remove the "patch" flag from the attachment, remove the
"patch" tag, and if you are a member of the ~ubuntu-reviewers,
unsubscribe the team.

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** Tags added: patch

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https://bugs.launchpad.net/bugs/2011770

Title:
  [gsd-rfkill] WwanEnabled never get synced

Status in OEM Priority Project:
  Triaged
Status in gnome-settings-daemon package in Ubuntu:
  Confirmed

Bug description:
  The value of "WwanEnabled" under "org.freedesktop.NetworkManager" is
  not synced correctly, which will lead to a airplane mode switching
  failure when host has WWAN device(s).

  There is a MR on the upstream project, which can solve this bug.
  https://gitlab.gnome.org/GNOME/gnome-settings-daemon/-/merge_requests/310

  The description copied from the MR:

  g-signal is not fired on property changes, so nm_signal is never
  called, and all changes of NetworkManager's WwanEnabled property are
  missed. That leads to an inability to disable the airplane mode on
  laptops with WWAN after the airplane mode was once enabled by button.

  Fix this by subscribing to g-properties-changed to actually listen to
  the updates of WwanEnabled. It also makes the code simpler.

  ==================================

  1. About Ubuntu
  Description:    Ubuntu 22.04.2 LTS
  Release:        22.04

  2. The version of packages:

  gnome-settings-daemon:
    Installed: 42.1-1ubuntu2.1

  network-manager:
    Installed: 1.36.6-0ubuntu2

  3. Expect:
  The function nm_signal(plugins/rfkill/gsd-rfkill-manager.c) is called, and 
manager->wwan_enabled is set to the correct value.

  4. Actual:
  The function nm_signal(plugins/rfkill/gsd-rfkill-manager.c) is never called, 
so manager->wwan_enabled is not synced, If machine has WWAN device(s), and the 
initial value of manager->wwan_enabled is true, it will never be able to switch 
to airplane mode.

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