Laptop power management support

[Peter Thorin]

On ons, 2004-11-10 at 14:50 +0000, Matthew Garrett wrote:

> Now do sudo update-grub and reboot. The power button should now cause a
> suspend to disk. Boot again and it should resume (there may be a
> moderately long pause before the resume process starts at the moment - I
> need to spend some time looking at that).

The computer tries to suspend, prints out the info about 'Freeeing
memory' and such, then goes black, and then comes back, with my screen
all garbled, like watching war of the ants. Very not-so-fun. 

> If that works, try pressing your laptop's sleep button (normally Fn
> +Escape, Fn+F4 or something like that). Test this from X, not from the
> console. With a bit of luck, various messages will fly past and the
> machine will suspend to RAM. If the machine /doesn't/ suspend, please
> follow up with information about the last few messages.

This is also interesting, this sleeps the computer, but when trying to
resume, it says something about "Unsafe to resume" and goes to sleep
again. The second time I try to resume, it succeeds, but with the screen
very garbled. I suspect this has something to do with the graphics card
being in AGP mode, but it doesn't seem I'm able to make it stop. 


> 
> Now try pressing the power button again (on some machines, you may need
> to hold it for a second or so). With rather more luck, the machine will
> resume and you'll have an X desktop again. If it doesn't, please follow
> up with the symptoms.

Will attach dmesg and xorg.conf for good measure... 
(btw, is there a good way to get a dmesg when you're not able to see
anything of what your doing? Automating it somehow?)

Oh, right, I have a Thinkpad T40 with ATI Radeon Mobility 7500. 

- sanitario 
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