This bug was fixed in the package gnome-settings-daemon -
42.1-1ubuntu2.2
---------------
gnome-settings-daemon (42.1-1ubuntu2.2) jammy; urgency=medium
* debian/patches/gitlab_nmsignal_deprecated.patch:
- cherrypick a change proposed upstream to fix airplane mode on some
Lenovo laptops (lp: #2011770)
-- Sebastien Bacher <seb...@ubuntu.com> Wed, 22 Mar 2023 10:59:52
+0100
** Changed in: gnome-settings-daemon (Ubuntu Jammy)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2011770
Title:
[gsd-rfkill] WwanEnabled never get synced
Status in OEM Priority Project:
Fix Committed
Status in gnome-settings-daemon package in Ubuntu:
Fix Released
Status in gnome-settings-daemon source package in Jammy:
Fix Released
Status in gnome-settings-daemon source package in Kinetic:
Fix Released
Bug description:
[ Impact ]
* Sometimes on devices with WWAN card, whenever user presses the
wireless function key (Fn+F8) or turn on the airplane mode radio
button in Settings, the airplane mode will not be enabled, and the
airplane mode icon is not shown in the status bar.
* There is a unmerged upstream merge request that delivers the fix:
https://gitlab.gnome.org/GNOME/gnome-settings-
daemon/-/merge_requests/310
It works perfectly well on several Lenovo laptops with WWAN cards.
The root causes is that the value of "WwanEnabled" under
"org.freedesktop.NetworkManager" is not synced correctly, gsd-rfkill should
listen to "g-properties-changed" instead of "g-signal" now.
[ Test Plan ]
1. Find a machine which has WWAN card.
2. Boot the machine, and run rfkill list to see if WWAN is unblocked. if not
use rfkill to unblock the WWAN, and reboot.
3. Press the wireless media key (Fn+F8) or turn on the airplane mode radio
button in Settings.
4. The airplane mode should be enabled, but actually not.
[ Where problems could occur ]
* When user is using a very low version network-manager (< 1.20) that
still broadcasting DBUS "PropertiesChanged" events on "g-signal"
instead of the concurrent "g-properties-changed", the airplane mode
will sometimes not be able to enable.
[1]:
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/853
[2]:
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/commit/6fb917178aa19c61e909957f5146aa4565e0cb2f
[ Other Info ]
1. About Ubuntu
Description: Ubuntu 22.04.2 LTS
Release: 22.04
Kernel: 6.1.0-1007-oem
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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