Public bug reported:
When enabled Bluetooth can typically consume ~1 Watt of power. The
Gnome bluetooth-applet always has this enabled on login from a clean
boot.
Turning off Bluetooth temporarily disables Bluetooth during the session
and also if one logs off and logs back in again. However, it does not
save this disabled state over a reboot.
Since I always want to disable Bluetooth until I need it (which is
generally quite rare), the default action of never saving my preferred
"off" state for Bluetooth is not only perplexing but annoying as I have
to disable it each time I start my machine and log in.
I've measured the power consumed on a ThinkPad X220i, and I can see that
disabling Bluetooth saves ~57.7mA which works out to be about 1.1 Watts
or ~7% of the total power consumed. I therefore think that bluetooth-
applet should have the smarts to be able to save my preferred on/off
state because the default action is definitely not battery friendly.
** Affects: gnome-bluetooth (Ubuntu)
Importance: Undecided
Status: New
** Changed in: gnome-bluetooth (Ubuntu)
Milestone: None => ubuntu-12.04-beta-1
** Description changed:
- Bluetooth when enabled can typically consume ~1 Watt of power. The Gnome
bluetooth-applet always has this enabled on login from a clean boot.
-
- Turning off Bluetooth temporarily disables Bluetooth during the session and
also if one logs off and logs back in again. However, it does not save this
disabled state over a reboot.
+ When enabled Bluetooth can typically consume ~1 Watt of power. The
+ Gnome bluetooth-applet always has this enabled on login from a clean
+ boot.
+
+ Turning off Bluetooth temporarily disables Bluetooth during the session
+ and also if one logs off and logs back in again. However, it does not
+ save this disabled state over a reboot.
Since I always want to disable Bluetooth until I need it (which is
generally quite rare), the default action of never saving my preferred
"off" state for Bluetooth is not only perplexing but annoying as I have
to disable it each time I start my machine and log in.
I've measured the power consumed on a ThinkPad X220i, and I can see that
disabling Bluetooth saves ~57.7mA which works out to be about 1.1 Watts
or ~7% of the total power consumed. I therefore think that bluetooth-
applet should have the smarts to be able to save my preferred on/off
state because the default action is definitely not battery friendly.
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https://bugs.launchpad.net/bugs/904238
Title:
bluetooth-applet: does not save on/off state over reboots
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