** Changed in: network-manager (Ubuntu)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1579915
Title:
network-manager 1.2 uses more power
Status in Canonical System Image:
Fix Committed
Status in network-manager package in Ubuntu:
Fix Released
Bug description:
On krillin and arale, power use went up significantly in new builds starting
on May 4. So far, I have results for:
* krillin rc-proposed 324 and 325
* arale rc-proposed 316 and 317
When the radios are off, results are unchanged. However, power went up in
two common cases -- standby with all radios enabled, and screen-on with radios
enabled.
* krillin standby: ~8mA -> ~80mA
* arale standby: ~35mA -> ~79mA
* krillin screen-on: ~177mA -> ~215mA
* arale screen-on: ~305mA -> ~353mA
Quite a few things landed in that build, but some of the top suspects are:
* network-manager got updated to 1.2
* indicator-network got a cell data switch
* USS got "fixes to sleep/idle settings"
* ubuntu-push got a fix related to network-manager
* libhybris got partial support for wireless display
* account-polld got a new calendar plugin
Full list:
http://people.canonical.com/~lzemczak/landing-team/ubuntu-touch/rc-proposed/bq-aquaris.en/krillin/324.commitlog
http://people.canonical.com/~lzemczak/landing-team/ubuntu-touch/rc-proposed/meizu.en/arale/316.commitlog
This change cuts typical standby time anywhere from 50% to 90%, so it
probably should be fixed before release. However, tests suggest that
simply turning off wifi returns the phone to a nice low standby power
-- about 6mA for both devices.
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