2.6.5/iBook G3: Oops on resume from sleep

[Benjamin Herrenschmidt]

On Thu, 2004-04-08 at 23:14, Aaron Lunansky wrote:
> So what I've figured out so far is that the system is not crashed- the
> screen is still on in fact, blinking a cursor in the top left. I can ssh
> in to the machine but a cursory review of dmesg shows nothing of
> significance.
>
> Unfortunately I can't do much with an ssh session before it seems to lock up,
> but I can launch another ssh session if I want. Also, if I disconnect my
> USB keyboard while the screen is in this blinking state, I get a "USB
> device soandso" disconnected message.
>
> Since my machines not crashing I can poke at it some more, but I could
> use some pointers as to where I should poke.

You didn't reply to my questions.

> Thanks,
> Aaron
>
> On Thu, Apr 08, 2004 at 08:49:31AM +1000, Benjamin Herrenschmidt wrote:
> > On Thu, 2004-04-08 at 05:17, Aaron Lunansky wrote:
> > > I'm having similar issues with an ibook G3 (600MHz) - only my system
> > > seems to fail to sleep, and this is regardless of modules (I have
> > > sound/airport/ethernet compiled as modules). By fails to sleep, I mean I
> > > get a blank screen and it does not respond to any input. I'm not sure
> > > where it is when it dies though - what's the best way to figure this
> > > out? (how can I make SysRq work on an ibook (which has no SysRq key)).
> >
> > No, once the screen is off, there isn't much you can do. I suggest
> > you do some experiments in console mode, use "snooze -f" (that will
> > bypass pmud or pbbuttonsd, which tend to cut the backlight early).
> >
> > Also, did it die on sleep or on wakeup ? That is, did it reach the
> > sleep state where the led starts "snoring" ?
> >
> > > I get this with every 2.6.* kernel I've tried, including 2.6.5. I
> > > previously had sleep working on my ibook with a 2.6 kernel, but I've
> > > since replaced the (dead) hard drive. I can get my ibook to sleep with
> > > a 2.4.24 kernel.
> > >
> > > Thanks,
> > > Aaron
--
Benjamin Herrenschmidt <benh at kernel.crashing.org>


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