Arch Linux

mareex

Member

From: Oldenburg, Germany

Registered: 2014-08-27

Posts: 28

linux 4.0 does not recognize battery state properly

Hello Folks,

with upgrade to Linux 4.0.x my battery is not recognized any more.
I use an Lenovo Ideapad 530U touch.

upower -i /org/freedesktop/UPower/devices/battery_BAT0 sometimes gives:

  native-path:          (null)
  power supply:         no
  updated:              Do 01 Jan 1970 01:00:00 CET (1431175805 seconds ago)
  has history:          no
  has statistics:       no
  unknown
    warning-level:       unknown
    icon-name:          '(null)'

and sometimes it just hangs and prints nothing.

Whenever I (un)plug battery I get following in dmesg:

[  448.752686] atkbd serio0: Unknown key pressed (translated set 2, code 0xf1 on isa0060/serio0).
[  448.752696] atkbd serio0: Use 'setkeycodes e071 <keycode>' to make it known.
[  448.767704] atkbd serio0: Unknown key released (translated set 2, code 0xf1 on isa0060/serio0).
[  448.767711] atkbd serio0: Use 'setkeycodes e071 <keycode>' to make it known.

Does anybody know what to do?

watgrad

Member

From: Waterloo, Ontario

Registered: 2014-09-21

Posts: 17

Re: linux 4.0 does not recognize battery state properly

Your issue sounds similar to this - no solution yet:
https://bbs.archlinux.org/viewtopic.php?id=192082&p=2

I can get battery detected consistently with the LTS kernel, but not 4.0

mareex

Member

From: Oldenburg, Germany

Registered: 2014-08-27

Posts: 28

Re: linux 4.0 does not recognize battery state properly

Thanks for your reply.
However, after some monitoring I realized, that my battery is recognized. But on (un)plugging I have a huge delay till the new battery state will be recognized (5 - 30 sec.).