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Re: iBookG4 pseudo-sleep / 2.6.3 problems

I saw this too on my new powerbook and I am sure I had selected to just
blank the screen as "sleep action". I would close the lid and the
powerbook would shut off the illumination as configured. If I opened the
lid after a few minutes everything was OK, but if the lid stayed closed
for a longer period the laptop shut down power completely (when running
on battery). I would then reboot the machine and, of course, get all the
messages about the filesystem not being clean.
There must be an additional event on these recent powerbooks that is not
catched by the kernel (2.6.7-bk9) and which occurs some time after the
lid has been closed. I ran a 'tail -f /var/log/messages' from my desktop
via ssh to the powerbook but there wasn't anything in the log when the
laptop powered off. Actually that was one of the reasons why I asked for
suspend-to-disk support because now I can close the lid and suspend
before the laptop powers off all by itself.


Am Di, den 13.07.2004 schrieb Matthias Grimm um 21:47:
> Am Dienstag, 13. Juli 2004 18:43 schrieb Sam George:
> > On Sat, 10 Jul 2004 13:57:44 +0200
> > > > Does anyone else experienced this? Is there a solution?
> > >
> > > Yes, I had that once too. Shortly closing the lid does no harm, but
> > > a few minutes shut it down. Recent iBook G4 (1 Mhz), Bens 2.4.25,
> > > PowerBook6,5. I have not experimented further on this. And yes, this
> > > was on battery.
> > >
> > > Greetings
> > >
> > >          Helge
> >
> > This problem also exists with 2.4.25-powerpc on a pismo.  It maybe
> > something to do with pbbuttonsd and seems to only happen when you set
> > coversleep=no .  So the work around I use sounds like it won't work
> > for you.  It used to work for me to leave coversleep=no but something
> I think this behaviour is not a bug. There are multiply events that overlap 
> here.
> First you configure coversleep=no so you could close the lid and the machine 
> continues to work. so far so good.
> What have you set at onXX_sleep? If nobody work with the machine (no mouse or 
> keyboard events, low CPU load, low network load) the machine follow 
> onXX_sleep after onXX_Tsleep time out. If you want no sleep at all set 
> onXX_Tsleep=0.
> For more information see man-page pbbuttonsd.conf.
>  Best Regards
>    Matthias

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