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Old 06-05-10, 03:24 AM   #7
hyc
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Join Date: May 2010
Posts: 6
Default Re: backlight problem after standby mode

Right. On a fresh cold boot, "xset dpms force off" turns off the backlight. When the problem starts happening, this command has the same effect - backlight on full, screen all white. I wish I could identify one specific cause of it, but so far no idea.

I could try the vesa driver, but it might take a few days for any problem to surface. Won't really have conclusive evidence one way or the other.

I also was wondering if this could somehow be related to VDPAU accelerated video playback, because nothing else I do on this machine is particularly relevant to the GPU. But I do occasionally watch H264 videos with mplayer and vdpau. But I haven't been able to reproduce it from that yet either.
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