Same problem on an Acer 6920g with an ATI graphics card. It's visible on both the default opensource drivers and the FGLRX drivers, so I don't think it's a graphics driver issue. Quite annoying looking, wasn't present in Oneiric or Natty.
Same problem on an Acer 6920g with an ATI graphics card. It's visible on both the default opensource drivers and the FGLRX drivers, so I don't think it's a graphics driver issue. Quite annoying looking, wasn't present in Oneiric or Natty.