On Fri, Jul 28, 2006 at 05:51:55PM +0100, Alan Cox wrote:
> This beings in the IDE power step code. You should do that as a step
> before the win_idleimmediate I suspect. Theory is right, diagnosis is
> right, implementation is in the wrong place.
>
> You'll make a lot more people happy by fixing it in ide-io
OK, I'll see about moving it there. Will this still be
controller-specific, or are you suggesting this is something ide ought
to do globally?
I poked around in ide-io.c a little while writing the patch, but my
assumption so far has been that the core ide suspend is OK wrt s2ram,
since I never hear IDE cited as the reason for s2ram failure. Usually
it's ACPI or video problems.
I'm beginning to suspect that the real problem is that everyone who
experiences ide-related hangs when attempting s2ram switches to s2disk,
which sidesteps ide problems since the ide controller stays alive
throughout the process and gets reinitialized on resume. So I guess
ide/s2ram problems could be more common than is widely known.
Jason
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