Messages in this thread |  | | Date | Wed, 31 Oct 2001 22:32:23 -0000 | From | Alex Bligh - linux-kernel <> | Subject | RE: 2xQ: Is PM + ACPI but /no/ APM a valid configuration? Interru pts enabled in APM set power state? |
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Patrick,
> /proc/apm is created by the APM driver.
Sure.
> around power management functionality, so you're not going to get that if > none of these are enabled. Even if CONFIG_PM, it's not going to be called > unless APM is up and running.
Well, actually APM or acpi reading the source, but yes.
> The BIOS is supposed to restore all the PCI config space, but we all know > how well the BIOS does what it's supposed to reliably.
Indeed :-) I seem to be having difficulty just making it return from the call at all.
> The suspend resume events are triggered by the APM subsystem. You won't > get them without it.
The events, yes - or the ACPI subsystem, I think - at least it seems to send power management events.
> ACPI suspend has not been implemented fully yet, so you're not going to > get good results anyway..
So it would seem :-)
Is there a good way to debug apm.c BIOS calls (beyond a disassembler)?
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