On Sat 2009-05-23 09:59:22, Oliver Neukum wrote: > Am Freitag, 22. Mai 2009 17:33:57 schrieb Pavel Machek: > > > Take ACPI for example, ACPI defines two ACPI battery states, one is > > > "low" and another is "critical". > > > OS enters S3/S4 when battery is low, while it performs an emergency > > > shutdown when battery is in critical state. (ACPI spec 3.0b 3.9.4) > > > So I'm wondering if it's right to enter S3 when we know that the system > > > may lost power at anytime. > > > > Well, battery only lasts like 30 hours in S3. So if you leave your > > notebook unattended for 30 hours, you'll loose recent changes. > > Even if the battery is very low you get 30 hours? That will of course be less. 30 hours is really best case, on "good" notebook. What I was trying to point out is that even if you go into s3 with machine fully charged, you'll loose your data after like 30 hours. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
