Re: 2.6.8 (or 7?) regression: sleep on older tibooks broken

[davidw@dedasys.com (David N. Welton)]

Benjamin Herrenschmidt <benh@kernel.crashing.org> writes:

> On Sun, 2004-08-15 at 18:45, David N. Welton wrote:

> > but it's not the same problem... I removed the ohci_hcd module
> > from the kernel (it's present at boot), and sleep still doesn't
> > happen.  I don't even get the "breathing" light, and yet the
> > computer still seems warm after some time, seemingly indicative
> > that it's not really asleep or dead.  I can only restart it via
> > the Ctrl-Command-Power combination.

> Best thing at this point is to hack out the sleep code in the video
> driver to see where it dies during the sleep process...

I made the video driver's sleep routing return 0 immediately.

That was enough to at least get a couple of reports from xmon about a
vector 200 corresponding to an address in powerbook_sleep_Core99...
Still investigating, but this is new territory for me, and it's
certainly at a tricky moment in the life of the kernel.  Suggestions
appreciated as to what might have changed and what to look for.

Thankyou,
-- 
David N. Welton
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