Hi,
On Monday 26 August 2013 14:40:21 Timothée Ravier wrote:
> I'm running an updated Arch Linux with Linux 3.10 / 3.11rc7, upower 0.9.21.
>
> My logs are filled with those lines:
>
> upowerd[927]: (upowerd:927): UPower-Linux-WARNING **: no voltage values,
> using 10V as approximation
>
> which I've tracked back to be about
> /org/freedesktop/UPower/devices/battery_BAT0 (the only battery available
> on my laptop) using the patch I sent earlier on the list.
>
> I'm now stuck as I've no idea on the next step to fix this warning. Is
> it upower related or something to fix in the kernel ?
Can you show the output for:
cd /sys/class/power_supply/BAT0 && grep . *
The kernel knows can provide one of the following attributes for voltage:
voltage_max
voltage_min
voltage_max_design
voltage_min_design
voltage_now
voltage_avg
voltage_ocv
These values are provides by the battery drivers or ACPI. Perhaps you can add
some dmesg messages for the battery (if applicable), model/manufacturer for
the laptop and/of battery?
Regards,
Peter
> Here is a "upower --dump":
> Device: /org/freedesktop/UPower/devices/line_power_ADP1
> native-path:
> /sys/devices/LNXSYSTM:00/device:00/ACPI0003:00/power_supply/ADP1
> power supply: yes
> updated: Sun Aug 25 20:14:41 2013 (65588 seconds ago)
> has history: no
> has statistics: no
> line-power
> online: yes
>
> Device: /org/freedesktop/UPower/devices/battery_BAT0
> native-path:
> /sys/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0
> vendor: Sony Corp.
> power supply: yes
> updated: Mon Aug 26 14:27:22 2013 (27 seconds ago)
> has history: yes
> has statistics: yes
> battery
> present: yes
> rechargeable: yes
> state: charging
> energy: 9.74 Wh
> energy-empty: 0 Wh
> energy-full: 48.37 Wh
> energy-full-design: 54.83 Wh
> energy-rate: 19.44 W
> time to full: 2.0 hours
> percentage: 20.1364%
> capacity: 88.2181%
> technology: lithium-ion
>
> Daemon:
> daemon-version: 0.9.21
> on-battery: no
> on-low-battery: no
> lid-is-closed: no
> lid-is-present: no
> is-docked: no
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