touch-packages team mailing list archive

[Ricardo Salveti <rsalveti@xxxxxxxxxxxx>]

3 - Can't really reproduce when testing with my device, so created the
following MR to enable debug in powerd by default (safe as it's really
not printing much more because of that, but should give enough to find
out why our userspace is not even trying to suspend):
https://code.launchpad.net/~rsalveti/powerd/enable_debug_default/+merge/250249

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https://bugs.launchpad.net/bugs/1372413

Title:
  Extensive battery drain on RTM

Status in the base for Ubuntu mobile products:
  In Progress
Status in PowerD:
  New
Status in powerd package in Ubuntu:
  Confirmed

Bug description:
  Mako, RTM 1

  Since upgrading to RTM the battery life is really poor. What used to
  be a battery drain of 5-10% per hour (which is still high) is now
  10-15% per hour. Sometimes the phone runs really hot, so there seem to
  be something going on in the background that is consuming power. I
  mostly have bluetooth, GPS (which isn't always working), wifi and
  cellular on, but that's no difference from when I was running 'devel-
  proposed' with MultiROM with much less battery consumption.

  As an example, I started with a full charge at 7am. After some web
  surfing (<15 mins) and watching a couple of youtube videos (on wifi)
  battery was down to 66% at 9:15. That's 34% in just over two hours! I
  recharged again before lunch and had the phone idle until coming back
  1 hour and 45 mins later to find only 75% of battery left, this time
  without the phone running particularly hot.

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