--- On Thu, 8/13/09, Paul Fox <p...@laptop.org> wrote:
> From: Paul Fox <p...@laptop.org>
> Subject: Re: New F11 for the XO-1 build 5
> To: "Yioryos Asprobounitis" <mavrot...@yahoo.com>
> Cc: "OLPC Development" <de...@lists.laptop.org>, "OLPC Testing"
> <testing@lists.laptop.org>, "Fedora OLPC List" <fedora-olpc-l...@redhat.com>
> Date: Thursday, August 13, 2009, 5:50 PM
> hi yioryos --
>
> yioryos wrote:
> >
> > --- On Thu, 8/13/09, James Cameron <qu...@laptop.org>
> wrote:
> > >
> > > rtcwake testing has shown that it needs --utc
> after the
> > > first shutdown.
> > > Prior to then the /etc/adjtime file is zero.
> > >
> >
> > In my hands both time 'rtcwake -um mem -a -s 10' and
> 'time
> > rtcwake -m mem -a -s 10' are a hit and miss.
> '-um' is better
> > (~50%) while without the UCT option is hardly
> 10%. Usually
>
> what exactly do you mean, by "50%" and "10%". rtcwake
> doesn't
> wake at all? wakes too soon?
Either. 10, 50% sucess means wakeup in 11-12sec
>
> > the first time after is invoked with the UTC
> option. Screen
> > blanking though within olpc-powerd, does not work if
> the XO is
> > asleep (OK before sleeping). I could not find
> the powerd log
> > anywhere in /var/log or /etc/powerd. Are the
> moved somewhere
> > else or removed altogether because of the VM
> problem?
>
>
> hmm. i think we need to step back a bit.
>
> let's ignore powerd for now -- please disable it with:
> # initctl stop powerd
>
> then, let's get rid of spurious wakeups, by turning off
> most wakeup events:
> # echo 0 >
> /sys/power/wakeup_events/all
>
> the lid, the power button, and the RTC alarm should still
> be
> capable of waking the system at this point.
>
> now run:
> # rtcwake --utc -m mem -s 10
>
As JC reported, under these conditions the XO wakes up reliably. Without the
--utc option does not
wakeup unless you use the power button, lid etc(I did not wait long enough for
the timezone to match utc :)
> paul
> =---------------------
> paul fox, p...@laptop.org
>
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