Minor sleep (S#) regression on IBM T30

[Nate Lawson]

Kevin Oberman wrote:
> I just noticed that sleep (S3) and resume have broken just a bit on
> current. I don't know if the recent graphics console patches or the
> updates to acpi_ibm or something else is responsible. Since I don't
> often use suspend, it may have happened as long as two months ago.
> 
> The problem is that the back-light no longer turns on when the system
> is resumes. I can get it to turn of trivially by switching to a
> different vty, so it's not a big thing, but it is a slight regression.
> 
> Any ideas of what I could check?
> 
> I am running the acpi_ibm patches and using a high resolution VESA
> graphics console mode (1400x1050x16) on the syscons screens as well as
> jhb's acpi_video_dpms patch.

The Thinkpad backlight is totally driven by SMI on FreeBSD and Linux.  I 
think the syscons mode may affect things or some combination of syscons 
and X.  I can't turn off the backlight on my T23 with X DPMS at all.

-- 
Nate