Re: High power consumption after suspend/resume cycle

From: The Holy ettlz
Date: Sun Oct 04 2009 - 05:18:39 EST


Hello,

> > There's a catch, though: after a suspend/resume cycle, power
> > consumption goes up by over well over a watt. (On a system that draws
> > about 7 watts before suspending, that's a big deal.) I've tried
> > turning off X, suspending with 'echo mem > /sys/power/state' to avoid
> > any distro scripts running, and manually restoring SATA power saving
> > settings, but it still happens. I even tried unbinding e1000e and
> > both USB drivers, unloading the i2400 (wimax) driver, iwlagn, and
> > iwlcore, and it still happens. This is 100% reproducible, and I'd be
> > happy to test things.

Just out of curiosity: does it make any difference whether tickless mode
is enabled or not, and do you see an excess of wakeups with no apparent
origin, a la http://bugzilla.kernel.org/show_bug.cgi?id=12788 ?

Thanks,
James.

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The Holy ettlz TheHolyettlz@xxxxxxxxxxxxxx
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