I think that the problem is related to the restricted video drivers (fglrx). I've disabled them one week ago (now I'm using Intrepid Ibex) and didn't happen again. Also, the same hardware works flawlessly in Windows XP (I just installed the O.S. to check if the hardware is faulty).
I think that the problem is related to the restricted video drivers (fglrx). I've disabled them one week ago (now I'm using Intrepid Ibex) and didn't happen again. Also, the same hardware works flawlessly in Windows XP (I just installed the O.S. to check if the hardware is faulty).