[ltp] battery drain while asleep?

Yves-Alexis Perez linux-thinkpad@linux-thinkpad.org
Sun, 16 Nov 2008 17:52:51 +0100


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On dim, 2008-11-16 at 10:25 +0100, Tino Keitel wrote:
> On Thu, Nov 13, 2008 at 22:01:20 +0100, Yves-Alexis Perez wrote:
>=20
> [...]
>=20
> > So 52430 =E2=86=92 42890, that means 10W just while asleep. I find that=
 way to
> > much, but I'm not sure how this could be fixed.
>=20
> Was wired network connected while the sleep period? If yes, could it be
> that wake on LAN was enabled, and the link is Gigabit Ethernet? I don't
> know if this really matters, it's just a guess. I read that a gigabit
> link eats a lot of power.

Not connected. It was in my bag with nothing alive.
>=20
> You could also check if other devices had wakeup enabled:
>=20
> $ find /sys -name "wakeup" |xargs grep "enabled"

corsac@hidalgo: find /sys -name "wakeup" |xargs grep "enabled"
/sys/devices/pci0000:00/0000:00:1a.0/usb1/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-2/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1a.1/usb3/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1a.7/usb2/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1d.0/usb5/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1d.1/usb6/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1d.2/usb7/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1d.7/usb4/power/wakeup:enabled
/sys/devices/pnp0/00:07/power/wakeup:enabled

Cheers,
--=20
Yves-Alexis

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