Seems fixed in kernel 4.0 - I just installed
4.0.0-040000rc1-generic #201502222235 SMP Mon Feb 23 03:57:56 UTC 2015 i686
i686 i686 GNU/Linux
and all entries in /sys/class/power_supply/BAT1/ get updated again!
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1425316
Title:
ACPI battery code broken with kernel 3.19
Status in linux package in Ubuntu:
Fix Released
Bug description:
In Ubuntu 14.04 (Kernel 3.13.*) acpi battery status info worked fine
and presented info in
/sys/class/power_supply/BAT0/
I tested 15.04 (Kernel 3.19.*) and noticed that there isnt any BAT0 in the
above said folder anymore. I did some reading at
https://lkml.org/lkml/2014/12/28/94 and came to conlusion that I should do a
sudo modprobe sbs_battery
After that there is a
/sys/class/power_supply/BAT1
which would be nice if only its information was updated at all. But all info
read from
/sys/class/power_supply/BAT1/*
will not change - it seems to get updated only once at boot time / first load
of the module.
uname -a:
Linux notebook 3.19.0-031900-generic #201502091451 SMP Mon Feb 9 15:10:05 UTC
2015 i686 i686 i686 GNU/Linux
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