https://bugzilla.kernel.org/show_bug.cgi?id=15979
Summary: Eeepc 900 reports incorrect battery status
Product: ACPI
Version: 2.5
Kernel Version: 2.6.32
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Battery
AssignedTo: acpi_power-batt...@kernel-bugs.osdl.org
ReportedBy: ft...@telfort.nl
Regression: No
On eeepc 900 (and possibly other variants) the battery status is incorrectly
reported, possibly do to a mixup of units.
With power plugged in and battery fully charged:
$ cat /proc/acpi/battery/BAT0/info
present: yes
design capacity: 5200 mAh
last full capacity: 100 mAh
battery technology: rechargeable
design voltage: 8400 mV
design capacity warning: 20 mAh
design capacity low: 10 mAh
capacity granularity 1: 52 mAh
capacity granularity 2: 52 mAh
model number: 900
serial number:
battery type: LION
OEM info: ASUS
$ cat /proc/acpi/battery/BAT0/state
present: yes
capacity state: ok
charging state: charged
present rate: unknown
remaining capacity: 100 mAh
present voltage: 8326 mV
last full capacity remaining capacity are reported by asus in %
there may be a similar problem with granularity
As a result of the above ubuntu reports a broken battery on each login and
remaining battery time is incorrectly estimated.
Additional info might be obtained from asus linux kernel sources?
Ferry
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