I've seen the same gray blocks hang after a couple of suspend/resume actions. Also, xv video (mplayer, kaffeine/xine, etc) stops working after the first suspend, giving a blue frame, and sometimes triggering the gray blocks textmode hang.
I've seen the same gray blocks hang after a couple of suspend/resume actions. Also, xv video (mplayer, kaffeine/xine, etc) stops working after the first suspend, giving a blue frame, and sometimes triggering the gray blocks textmode hang.