Dell Latitude CPx and power management
baldur at foo.is
Sun Feb 15 05:19:36 PST 2004
I fixed it, kind of. Set the suspend level to S3, which works flawlessly
on the console, but doesn't work if I close the computer in X11, then I have
to kill X and start it again.
On Sunday 15 February 2004 10:38, you wrote:
> On Sat, Feb 14, 2004 at 07:23:01PM +0000, Baldur Gislason wrote:
> > I have a problem with ACPI on a Dell Latitude CPx laptop.
> > When I close the lid it goes into suspend mode, when I open the lid again
> > it returns from suspend mode, turns the display on with a blank screen
> > and a blinking cursor in the top left corner for a couple seconds and
> > then the display turns off again and the display comes out of stand by.
> > Everything seems to work, the system is not locked up but the TFT display
> > is dead. I tried sysctl hw.acpi.reset_video=0 but that didn't help. I'm
> > running 5.2-R
> It's well-known ATI-related (?) bug.
> I've seen it at CPx/C500/C600 - all equipped with ATI Mobility M1 or M3.
> AFAIK, no workaround for now. I guess Mobility initializes CRT instead of
> TFT. On previous models it could be fixed by pressing Fn+F8,
> now it doesn't work either.
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