what actions UPower daemon makes with ACPI

Bastien Nocera hadess at hadess.net
Thu Mar 13 03:12:42 PDT 2014


On Wed, 2014-03-12 at 13:55 +0400, Муравьев Илья wrote:
> Hi developers of UPower,
> 
> I have a problem with my new motherboard/kernel/distro (ACPI issue,
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1264707 ), and it
> would be nice if you help me.
> 
> UPower seems to make some actions with ACPI (writes to /proc/XXX
> or /sys/XXX maybe) but I don't see them in the package' sources.

That's because it doesn't do that itself. It will query sysfs files for
batteries (which probably poke the underlying ACPI code in the kernel),
and uses pm-utils to suspend/resume/hibernate the machine.

>  I search for an action so I am be able to reproduce my problem
> explicitly.

Cheers



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