Re: [BUG] 2.6.18-rc1 broke resume from APM suspend on Latitude CPi

From: Pavel Machek
Date: Sat Jul 08 2006 - 09:50:40 EST


On Sat 2006-07-08 15:38:57, Mikael Pettersson wrote:
> On Fri, 7 Jul 2006 21:47:37 +0000, Pavel Machek wrote:
> >> Kernel 2.6.18-rc1 broke resume from APM suspend (to RAM)
> >> on my old Dell Latitude CPi laptop. At resume the disk
> >> spins up and the screen gets lit, but there is no response
> >> to the keyboard, not even sysrq. All other system activity
> >> also appears to be halted.
> >>
> >> I did the obvious test of reverting apm.c to the 2.6.17
> >> version and fixing up the fallout from the TIF_POLLING_NRFLAG
> >> changes, but it made no difference. So the problem must be
> >> somewhere else.
> >
> >driver model changes?
> >
> >Can you retry with minimum drivers loaded, init=/bin/bash?
>
> Did that, no change.

Too bad... Quite a lot of driver model changes were merged in -rc1...

Can you remove device_*() calls from apm.c and see what happens?
(First do it on 2.6.17 to confirm apm still works without driver
model...)

Pavel--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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