Ok.
Also to point out that when it goes to sleep, regardless of dim or blank, will
drop the wifi connections. However, getting out of sleep will eventually (in
about a minute) reconnect.
So SLEPP is equivalent to suspend, disregarding DCON/screen state.
--- On Mon, 3/29/10, Paul Fox <p...@laptop.org> wrote:
> From: Paul Fox <p...@laptop.org>
> Subject: Re: (fwd) Re: powerd on XO-1 (was Re: New release ... OS13 )
> To: "Yioryos Asprobounitis" <mavrot...@yahoo.com>
> Cc: "OLPC Devel" <devel@lists.laptop.org>, "fedora-olpc-list"
> <fedora-olpc-l...@redhat.com>
> Date: Monday, March 29, 2010, 4:43 PM
> hi yioryos --
>
> thanks for the detailed descriptions.
>
> debugging and drawing conclusions about suspend/resume
> problems is pretty hard without a serial connection.
> i'll
> try and stress an OS13 a little more, and see if i can't
> reproduce your symptoms. others with serial ports
> are
> welcome/encouraged to try as well. ;-)
>
> paul
>
> yioryos wrote:
> >
> > Well, my predicament with powerd and a proper ticket
> filling
> > is that I can get no logs. So I'll describe the
> story instead
> > ...:-)
> >
> > Test settings SLEEP=15 DIM=30 BLANK=45 running on
> battery.
> > os13 (clean). XO-1 CL1 Firmware q2e42d(not
> overclocked, no
> > SDcard or anything attached to it)
> >
> > Without trace-on the XO will sleep and will _not_ dim
> or
> > blank. On slight touchpad touch after the
> timeouts (or
> > spontaneous if you let it long enough) will wake to
> dim and
> > then blank. Power button wakes it up fine but
> no trace log.
>
> okay -- this is definitely a kernel issue then. i
> think i thought
> we'd gotten past all the bad ones, but i guess not.
>
> >
> > With trace-on, same behavior but on slight touch of
> the
> > touchpad (or spontaneously) will wake to dim and
> freeze there.
> > After hard reboot no trace log either :( and no I do
> not have
> > a serial port adapter) It's a clue though (I hope)
>
> hard freezes are certainly harder to diagnose.
>
> >
> > If while at sleep, pass dim or blank time points, you
> wake it
> > up by typing or rubbing the touchpad constantly, will
> wake,
> > dim and then recover to normal operation. This
> is where the
> > attached powerd.trace is coming from.
> >
> > It would appear that the kernel configuration is
> also
> > relevant. With the os13 kernel I also got a
> freeze without
> > the trace-on (1 in 5 tests). With the 2010322
> kernel never
> > (in 6 tests). Using one of my kernels patched
> for Aufs and
> > with hfsplus, sisusbvga modules and in-kernel loop
> enabled, I
> > can not get it to sleep unless both DIM and BLANK are
> before
> > SLEEP time (I could provide config diffs and trace
> logs if you
> > think it may help the issue at hand)
>
> >
> > >
> > > paul
> > >
> > >
> > > > in DIM=180, BLANK=480,
> SLEEP=600. No huge power
> > > savings but
> > > > at least the build is usable.
> > > >
> > > >
> > > > --- On Sat, 3/27/10, Paul Fox <p...@laptop.org>
> > > wrote:
> > > >
> > > > > From: Paul Fox <p...@laptop.org>
> > > > > Subject: Re: (fwd) Re: powerd on
> XO-1 (was Re:
> > > New release ... OS13 )
> > > > > To: "Yioryos Asprobounitis"
> <mavrot...@yahoo.com>
> > > > > Cc: "OLPC Devel" <devel@lists.laptop.org>,
> > > "fedora-olpc-list"
> > > > <fedora-olpc-l...@redhat.com>
> > > > > Date: Saturday, March 27, 2010,
> 1:26 PM
> > > > > yioryos wrote:
> > > > > > I guess the question
> is: is os13
> > > usable at this
> > > > > stage?
> > > > > > Should power
> management be be
> > > inactivated in the
> > > > > control panel?
> > > > > > Are there
> appropriate/recommended
> > > powerd.conf
> > > > > settings for the XO-1 at this
> > > > > > stage?
> > > > >
> > > > > maybe, i don't know, and i don't
> know.
> > > > >
> > > > > paul
> > > > > =---------------------
> > > > > paul fox, p...@laptop.org
> > > > >
> > > >
> > > >
> > > >
> > >
> > > =---------------------
> > > paul fox, p...@laptop.org
> > >
> >
> >
> >
>
> =---------------------
> paul fox, p...@laptop.org
>
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