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On Tue, Nov 16, 2010 at 08:06:01PM +0100, Stefan Walter wrote:
> Bruce Cran, 16.11.10, 15:44h CET:
>=20
> > On Monday 15 November 2010 09:37:09 Stefan Walter wrote:
> >=20
> > > Suspend To RAM (S3) works by using "acpiconf -s 3", and pushing the p=
ower
> > > button wakes the system up again. Everything seems to work, only the =
LCD
> > > monitor remains off. (There also seem to be occasional cases in which=
the
> > > keyboard doesn't work any more, but I haven't really looked at that, =
yet.
> > > Usually, the system comes back up properly.) Loading dpms(4) doesn't =
seem
> > > to make a difference. The only way to turn the display on again seems=
to
> > > be typing "shutdown -r now" blindly.
> >=20
> > What graphics card do you have? If it's nVidia, try building the driver=
with=20
> > ACPI_PM enabled and running "acpiconf -s3" from X11. That boots the vid=
eo chip=20
> > up on my laptop at least - though it seems some corruption occurs becau=
se I've=20
> > had some odd panics afterwards in the fs and vm subsystems, and attempt=
ing to=20
> > suspend for a second time results in the system rebooting instead.
>=20
> It's an ATI Radeon HD 4200 integrated on the mainboard, using
> x11-drivers/xf86-video-ati. It now works from the console with
> hw.acpi.reset_video=3D1. From within X11, it doesn't.
You could try this:
http://lists.debian.org/debian-bsd/2009/11/msg00006.html
Download && compile the code (gcc -o chvt chvt.c).
Add "$path/$to/chvt 1" to /etc/rc.suspend and "$path/$to/chvt 9" to
/etc/rc.resume, so that your machine automatically changes to ttyv0
before going to sleep and changes back to X after waking up.
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