Re: Thinkpad not going off while suspend
"Kevin Oberman" <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.mobile |
|---|---|
| Message-ID | <[email protected]> |
> Date: Sun, 10 Oct 2004 04:09:38 +0200 > From: Dennis Koegel <[email protected]> > Sender: [email protected] > > Hi, > > On Sat, Oct 09, 2004 at 06:30:47PM -0700, Bruce M Simpson wrote: > > > I just stumbled about something interesting, my Thinkpad t40 does > > > not turn the display off (backlight is turned off) if going into > > > suspend (acpi S3). If you point rather bright lamp at the lcd you > > > can still read it. > > You don't specify which OS version you're running. Have you tried > > acpi_video? > > Actually, I have the same problem. I was googling for it this > afternoon and found references to acpi_video, but settting the > video.lcd0.active sysctl to =0 would output "...lcd0.active: 1 -> 1" > and consequently do nothing. LCD remains powered. > > Found users reporting this problem, but no solution to it. > > I'm running 5.3-BETA7 (cvsup'd yesteday). Try adding: hw.acpi.reset_video=0 hw.syscons.sc_no_suspend_vtswitch=1 to /etc/sysctl.conf. I think the latter will do the trick, but the former was needed on my T30 to resume the display correctly. -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: [email protected] Phone: +1 510 486-8634 _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-mobile To unsubscribe, send any mail to "[email protected]"