1137066 - Overnight battery drain when data turned off

Status: RESOLVED WONTFIX

(Firefox OS Graveyard :: General, defect)

Description

[Toby Kurien]

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:35.0) Gecko/20100101 Firefox/35.0
Build ID: 20150125221831

Steps to reproduce:

Initial state:
- Phone is on
- Wifi is on
- No SIM card -> telephony, data is off. However, I have replicated this with a SIM card inserted and data turned off
- Battery at 100%

Steps:
- I turned Wifi off before going to sleep



Actual results:

In the morning (about 8 hours later), the battery was completely drained. This happens fairly consistently, suggesting that some app tries to re-connect to the internet, can't get a connection, and goes on a continuous loop to try to regain connection. This could be what prevents the CPU from going to sleep, thus draining the battery.


Expected results:

Battery should have lasted even longer than usual, i.e. almost no battery drain, since wifi is now off.

Comment 1

[Gabriele Svelto [:gsvelto] (PTO)]

This might be a duplicate of bug 1130725. And BTW I've been experiencing the same on my Flame.

(In reply to Toby Kurien from comment #0)
> In the morning (about 8 hours later), the battery was completely drained.
> This happens fairly consistently, suggesting that some app tries to
> re-connect to the internet, can't get a connection, and goes on a continuous
> loop to try to regain connection.

This sounds like a good hunch. I've noticed that the privacy panel app starts in the background on his own, maybe it's related? Ben, did you have a similar setup when you filed bug 1130725 (wifi on, no data)?

Comment 2

[Toby Kurien]

I don't think this is a duplicate of https://bugzilla.mozilla.org/show_bug.cgi?id=1130725 because with Wifi kept on and the phone idling (i.e. not used), I get a few days of battery life out of it! It's only when I turn off wifi/data that suddenly it drains battery.

Comment 3

[Toby Kurien]

(In reply to Toby Kurien from comment #2)
> I don't think this is a duplicate of
> https://bugzilla.mozilla.org/show_bug.cgi?id=1130725 because with Wifi kept
> on and the phone idling (i.e. not used), I get a few days of battery life
> out of it! It's only when I turn off wifi/data that suddenly it drains
> battery.

I should also just mention that I am testing the nightly (master branch) build on a Geeksphone Keon.

Comment 4

[Ben Francis [:benfrancis]]

(In reply to Gabriele Svelto [:gsvelto] from comment #1)
> Ben, did you have a
> similar setup when you filed bug 1130725 (wifi on, no data)?

Yes, I had WiFi on, no data.

Comment 5

[BMO Automation]

Firefox OS is not being worked on