lkml.org 
[lkml]   [2001]   [Oct]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRE: 2xQ: Is PM + ACPI but /no/ APM a valid configuration? Interru pts enabled in APM set power state?
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)?

--
Alex Bligh
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:12    [W:0.050 / U:1.260 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site