Re: Sleep problems with kernels >= 2.6.21 on powerpc

[Michael Schmitz <schmitz@mail.biophys.uni-duesseldorf.de>]

Hi,

> Unfortunately, it seems that kernels later than 2.6.21 have problems
> letting my powerpc iBook (G3 processor) going to sleep (suspend to
> ram).
>
> The userland that I am using is a Debian testing (lenny) and the
> default kernel that comes with it is 2.6.22, with some patches applied
> and pbbuttonsd (as the daemon for making the machine sleep).

Any diagnostics from kernel or pbbuttonsd?

> If I, on the other hand, use Debian's kernel 2.6.22 or compile my own
> kernel with just the necessary parts for my work (version 2.6.23-rc3
> taken from kernel.org), then I can't make the machine sleep: when I
> press the button, it acts like if I had, in sequence, pressed anything
> to wake it up (say, like pressing shift).
>
> I have already grabbed Linus's git tree and I am willing to do some
> cycles of "git bisect" to discover the point where it stopped working.

Please do, if kernel or system log does not indicate other possible
causes.

	Michael