On Tue, Oct 04, 2011 at 12:26:27PM -0700, matt wrote: > On Tue, 4 Oct 2011 02:21:59 -0400 (EDT) > Benjamin Kaduk <kaduk_at_MIT.EDU> wrote: > > > On Mon, 3 Oct 2011, matt wrote: > > > > > Ultimately, I think if we can set backlight, we can fix the screen > > > after resume...I think it's just the backlight is low/off on > > > resume... > > > > Can you use a very strong fronglight to see if this is actually the > > case? (Illumination angle may be important as well.) The state of > > the liquid crystal polarizing switches should be visible under > > sufficient illumination, and whether they change with input would be > > pretty definitive. > > I actually used to operate my iBook G4 in "frontlight mode" in bright > > sunlight for a while (until the wifi card flaked out, tying it to my > > desk). > > > > -Ben Kaduk > > It's the IPS display, so there's a bit of glare...not much visible. I > can't tell for sure... > > Friend had idea of trying to resume under X with external > VGA display...both remained off, however I am using the Intel GPU > experimental drivers (To make a note, resume is broken without them as > well). Suspend/resume is not implemented in the KMS driver (yet). > > I can't get vbetool from ports to do anything with the display other > than cause it to turn off. > > > I can type commands just fine under X or console with the display > off...so I have tried xset, vbetool. hw.acpi.reset_video causes a > majorly bad reboot loop on resume with a flashing thinklight. > > Matt > _______________________________________________ > freebsd-current_at_freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"
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