Date: Sun, 10 Oct 2004 20:46:36 -0700 From: "Kevin Oberman" <oberman@es.net> To: Dennis Koegel <amf@hobbit.neveragain.de> Cc: freebsd-mobile@freebsd.org Subject: Re: Thinkpad not going off while suspend Message-ID: <20041011034636.16B225D0A@ptavv.es.net> In-Reply-To: Your message of "Sun, 10 Oct 2004 04:09:38 %2B0200." <20041010020938.GB13862@neveragain.de>
next in thread | previous in thread | raw e-mail | index | archive | help
> Date: Sun, 10 Oct 2004 04:09:38 +0200 > From: Dennis Koegel <amf@hobbit.neveragain.de> > Sender: owner-freebsd-mobile@freebsd.org > > 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: oberman@es.net Phone: +1 510 486-8634
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20041011034636.16B225D0A>