http://bugzilla.kernel.org/show_bug.cgi?id=9528





------- Comment #33 from [EMAIL PROTECTED]  2007-12-21 06:37 -------
I've also played about with moving the offending IO port write around, but it
still breaks suspend.

It doesn't appear to be a generic IO ports issue since there are other port
writes happening in _PTS() that don't fail.

How exactly do Linux and ACPI handle IO ports during suspend? I've tried poking
around the suspend to RAM code, but to be honest, I'm not any the wiser on this
(I've considered things like PNPACPI, since port 0x142E is in a supposedly
reserved region; but I tested with pnpacpi=off and it doesn't make any
difference).

And is there anyway to get more debugging output on what exactly is going on
here when ACPI reaches the OSTP() code?


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