> It now crashes /usr/bin/X after a minute or so of using iceweasel. I'm also getting the same type of random lockups though I haven't isolated it to Iceweasel (though FWIW, Iceweasel is typically running when it locks up).
Like you, the system was rock solid until the 8.4 upgrade (which went smoothly); the xorg process turns zombie and this is with a box using a Radeon HD 4250. -- "So, make a real effort to avoid getting sucked into all the expensive lifestyle habits of typical Americans. Because if you do that, then people with the money will dictate what you do with your life." -- Dr. Richard M. Stallman, founder of the Free Software movement.