Public bug reported:
When running on battery power, guidance-power-manager warns that the battery is
getting
low when it is still 95% charged! Worse, it forces hibernation when the
battery still has
plenty of capacity left. Maybe it is confused by the fact that the laptop
reports two battery
slots, though only one is physically present, i.e. it is only possible to have
one battery
plugged in. klaptop didn't have this problem. I took a snapshot of /proc/acpi
after the
guidance-power-manager warning. Here's what was in /proc/acpi/battery:
BAT1
alarm: unsupported
present: yes
design capacity: 4400 mAh
last full capacity: 3211 mAh
battery technology: rechargeable
design voltage: 14800 mV
design capacity warning: 250 mAh
design capacity low: 100 mAh
capacity granularity 1: 10 mAh
capacity granularity 2: 25 mAh
model number: 01ZG
serial number:
battery type: LION
OEM info: SMP
present: yes
capacity state: ok
charging state: discharging
present rate: 0 mA
remaining capacity: 3026 mAh
present voltage: 9280 mV
BAT2
present: no (alarm)
present: no (info)
present: no (state)
Other info:
Acer travelmate 800
lspci:
00:00.0 Host bridge: Intel Corporation 82855PM Processor to I/O Controller (rev
03)
00:01.0 PCI bridge: Intel Corporation 82855PM Processor to AGP Controller (rev
03)
00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
USB UHCI Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
USB UHCI Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
USB UHCI Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI
Controller (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 83)
00:1f.0 ISA bridge: Intel Corporation 82801DBM (ICH4-M) LPC Interface Bridge
(rev 03)
00:1f.1 IDE interface: Intel Corporation 82801DBM (ICH4-M) IDE Controller (rev
03)
00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus
Controller (rev 03)
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 03)
00:1f.6 Modem: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97
Modem Controller (rev 03)
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon R250 Lf [FireGL
9000] (rev 01)
02:02.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev 01)
02:04.0 Network controller: Intel Corporation PRO/Wireless LAN 2100 3B Mini PCI
Adapter (rev 04)
02:06.0 CardBus bridge: O2 Micro, Inc. OZ711M1/MC1 4-in-1 MemoryCardBus
Controller (rev 20)
02:06.1 CardBus bridge: O2 Micro, Inc. OZ711M1/MC1 4-in-1 MemoryCardBus
Controller (rev 20)
02:06.2 System peripheral: O2 Micro, Inc. OZ711Mx 4-in-1 MemoryCardBus
Accelerator
02:07.0 FireWire (IEEE 1394): Texas Instruments TSB43AB21 IEEE-1394a-2000
Controller (PHY/Link)
** Affects: kde-guidance (Ubuntu)
Importance: Undecided
Status: Unconfirmed
--
guidance-power-manager thinks battery is low way too early
https://launchpad.net/bugs/67081
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