Public bug reported:
Not clear how battery state gets read/reported, so reporting against
linux, generically.
On my 2nd gen, C2D macbook, occasionally the battery state will be
unreadable and appear to be at 0% charge. This condition persists
across reboots. However, if I boot into OS X, the batter state appears
as normal, and then, when booting back to Ubuntu, battery state works
correctly again.
/proc/acpi/battery/BAT0/info:
present: yes
design capacity: 50200 mWh
last full capacity: 50290 mWh
battery technology: rechargeable
design voltage: 10950 mV
design capacity warning: 250 mWh
design capacity low: 100 mWh
capacity granularity 1: 10 mWh
capacity granularity 2: 10 mWh
model number: ASMB013
serial number:
battery type: LION013
OEM info: DPON013
/proc/acpi/battery/BAT0/state
present: yes
capacity state: ok
charging state: charged
present rate: 0 mW
remaining capacity: 49550 mWh
present voltage: 12504 mV
Next time it happens, I'll post the battery info and state.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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macbook battery info not readable, appears empty
https://bugs.launchpad.net/bugs/215074
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