[ltp] Re: ACPI Hibernate and Suspend Strange behavior 2.6.7/-mm1

[André Wyrwa]

On Mit, 2004-07-14 at 22:16, John Goerzen wrote:
> On 2004-07-06, Volker Braun <volker.braun@physik.hu-berlin.de> wrote:
> > ACPI S3 draws too much power on the T40/T41, this has been confirmed by
> > various people (so its not just mine). Suspended it lasts about 10h,
> > about twice as long as powered up. Supposed to be 1-2 weeks. 
> 
> I'm glad I'm not the only one that is suspecting that.  I just tried
> switching my T40p from APM to ACPI.  I got suspending to RAM working in
> ACPI, but noticed that when I got it back out of my laptop bag later, it
> was physically warm to the touch.  It also had consumed more battery
> power than it would have when suspended with APM.  And, if I would shine
> a bright light on the screen, I could make out text on it.  In other
> words, the backlight was off but it was still displaying stuff.

Didn't dig into this at all, yet, but from first reading it sounds like
you're not in suspend to ram but in simple display blanking mode (which
afaik only turns of the backlights).

André.