If you think a bug might affect users in the 57 release, please set the correct tracking and status flags for Release Management.

[Settings][Power Save] When Automatic power save mode is enabled and active, locking/unlocking screen prompts a notification



Firefox OS
3 years ago
3 years ago


(Reporter: RobertM, Unassigned)


Gonk (Firefox OS)

Firefox Tracking Flags

(b2g-v2.0 affected, b2g-v2.1 affected, b2g-v2.2 affected)


(Whiteboard: [2.1-exploratory-3], URL)


(1 attachment)



3 years ago
Created attachment 8517775 [details]

While Automatic power save mode is enabled and the battery life is in range to make it active, if the device is plugged in and charging, every time the user locks and then unlocks the screen, a power saving mode notification prompts.
Device battery needs to be at 25% or less
Repro Steps:
1) Update a Flame device to BuildID: 20141105001204
2) Tap 'Settings' app
3) Scroll down and select 'Battery'
4) Plug device in to begin charging.
5) Change 'Turn on automatically' switch to "25% battery left". Power saver mode should switch on.
6) Tap the power button twice and unlock screen. Observe.
Phone unlocks and power saver mode quickly turns off and on, prompting a notification
Phone should unlock and still be on power saver mode

Flame 2.1(319mb)(KitKat)(Shallow Flash)

Environmental Variables:
Device: Flame 2.1
BuildID: 20141105001204
Gaia: 154da5e17029a51002d5d9b7df39563d509edde6
Gecko: 3b0c3580a58d
Version: 34.0 (2.1)
Firmware: V188-1
User Agent: Mozilla/5.0 (Mobile; rv:34.0) Gecko/34.0 Firefox/34.0

Repro frequency: 100%
See attached: logcat, video - http://youtu.be/u7hOOaAbTvo

Comment 1

3 years ago
This issue DOES occur on Flame 2.0(319mb) and Flame 2.2(319mb)

When automatic power save mode is enabled and active, and the charger is plugged in, locking/unlocking screen prompts a notification every time.

Flame 2.0

Device: Flame 2.0 (319mb)(Kitkat Base)(Shallow Flash)
BuildID: 20141105000201
Gaia: fe2167fa5314c7e71c143a590914cbf3771905a8
Gecko: 093de6b632c5
Version: 32.0 (2.0)
Firmware: V188-1
User Agent: Mozilla/5.0 (Mobile; rv:32.0) Gecko/32.0 Firefox/32.0

Flame 2.2

Device: Flame 2.2(319mb)(KitKat)(Shallow Flash)
BuildID: 20141105040206
Gaia: 7c9e7cabbde941b976e0e40a3a1d94e21aa9c5e9
Gecko: 62990ec7ad78
Version: 36.0a1 (2.2 Master)
Firmware: V188-1
User Agent: Mozilla/5.0 (Mobile; rv:36.0) Gecko/36.0 Firefox/36.0
QA Whiteboard: [QAnalyst-Triage?]
Flags: needinfo?(dharris)
Not nominating to block on this issue because the power save mode does quickly become re-enabled again
QA Whiteboard: [QAnalyst-Triage?] → [QAnalyst-Triage+]
Flags: needinfo?(dharris)
You need to log in before you can comment on or make changes to this bug.