I'm still getting the GFX_FIFO_UNDERFLOW error on Ubuntu Oneiric using
Kernel 3.0.0-1205-omap4. Also, the fix with CTRL-ALT-F1/F7 doesn't work
for me: Still only a black screen on X11. It happens with my LG W2443.
Before Oneiric, this monitor didn't display anything at all on my
Pandaboard. With Oneiric, it works on DVI (except for the underflow
thing), but HDMI still displays a black screen only.

I can't really tell when it happens, though I haven't seen it happen
when I run the monitor at 1280x1024 (normally it's 1080p). Often it
happens when I only start the system monitor in XFCE, but I've also seen
it happen when I do nothing at all.

Please tell me if you need any more information.

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https://bugs.launchpad.net/bugs/746133

Title:
  Video loses sync on omap4

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