Mailinglist Archive: opensuse-bugs (4256 mails)

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https://bugzilla.novell.com/show_bug.cgi?id=737690

https://bugzilla.novell.com/show_bug.cgi?id=737690#c4


--- Comment #4 from Sebastian Freundt <devel@xxxxxxxxxx> 2011-12-21 10:12:49 
UTC ---
It's the file /var/run/powerstatus
AFAIK, it can have values LOW, OK, and numbers indicating the time left in
minutes.  I can only half-test the stuff myself as the UPS software isn't very
flexible in that regard.
Here's what I've found out so far:
- Initially upon a failure the file /var/run/powerstatus is created and
populated with an estimate on the battery status (in minutes)
- SIGPWR is issued to process 1
- When the power is back on, OK is written to the file and SIGPWR is issued
again
- When the battery is low and the box is to be shutdown immediately, LOW is
written to the file and SIGPWR is raised

If anything more magic than that happens I don't know, it's tricky anyway since
you've got the knowledge to fix things and I've got a UPS to test things.

If the promise is true that systemd is a drop-in replacement for sysvinit there
should be code to handle the pn/pf/po states.

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