[ltp] Re: help in troubleshooting ACPI drain with 2.6.10 please

[Bob Alexander]

Volker Braun wrote:
> On Mon, 03 Jan 2005 16:21:42 +0100, Bob Alexander wrote:
> 
>>Sleep to RAM: excessive battery drain (approx. 9% per hour...
> 
> 
> Looks like you found my bug, see
> 
> http://bugme.osdl.org/show_bug.cgi?id=3022
> 
> There is no known workaround, except using suspend to disk or going back
> to APM. The most reasonable guess so far as to the cause is that the
> radeon chip does not get powered down correctly. There is no supporting
> evidence, though.
> 

Do you also see the ethernet, ultrabay and modem lights remain on ?

> 
>>(Related question: when I try a modprobe -r of a module and it refuses
>>saying it's in use, how can I discover by what ?)
> 
> 
> Well, how about lsmod?
> 
> 
>>Module                  Size  Used by 
>>thermal                13256  0
>>processor              19564  1 thermal ac                      4740  0
> 
> 
> See the "Used by" column? :-)
> 

That is quite obvious :) I was trying to say that sometimes you get 
"module in use" upon modprobe -r for modules which do NOT show any "used 
by" info in lsmod.

Thank you very much and take care,
Bob