[ltp] Power drain with ACPI

Yip Wai Peng linux-thinkpad@linux-thinkpad.org
Mon, 8 Nov 2004 13:14:58 +0800


On 08 November 2004 pm 13:00, Joel Ebel wrote:
> I have noticed this on mine as well, though not in Linux.  I still use
> APM in linux, and it doesn't use the battery as quickly, but in Windows,
> if I suspend the laptop, the battery runs down very quickly.  I wasn't
> sure what was causing that, but since it didn't happen in Linux, I
> figured it was just some windows problem.  Now I'm curious though,
> because I hadn't thought about the fact that Windows uses ACPI and Linux
> still uses APM.  Maybe it's an ACPI issue.  This deserves some more
> exploration.  Can you possibly test it with APM to see if it occurs then?
>
> Joel

No, It does not happens with APM. APM has good suspend performance, although 
sometimes the video gets corrupted and does not comes back.

Waipeng