Re: lenovo T61: wake-up doesn't enable video

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Wed, Mar 04, 2009 at 11:25:06AM +0200, Jukka Ruohonen wrote:
> On 04.03.2009, Thomas Klausner wrote:
> > I tried suspending with "sysctl -w machdep.sleep_state=3" and it shut
> > down. Pressing fn+F4 woke it up again (judging from hard disk activity
> > and the status lights below the screen). However, video wasn't enabled
> > again, the screen stayed black.
> > 
> > I tried typing "vbetool post" which gave me some short hard disk
> > activity, but the screen stayed black.
> 
> As a quick test, you can try different sysctl-values of
> 'machdep.acpi_vbios_reset'; see acpi(4).

Doesn't help if vbetool post doesn't work either. Best bet is trying to
suspend from X, the LVDS output might not be correctly restored. It is
an open question of how to get that on some machines.

Joerg