if you are using gnome, gnome-keyboard-properties may helps. in the "Layouts" tab, there's a "Layout Options" button. click it and choose the "Control + Alt + Backspace" in "Key sequence to kill the X server"
it seems "setxkbmap -option terminate:ctrl_alt_bksp" helps, too. ps: I'm new to this mailing-list and can not reply to former post 2009/10/27 Sebastian Beßler <webmas...@darkmetatron.de> > Am 27.10.2009 02:03, schrieb Dale: > > > This is the sequence you tried I hope. This is copied from a message > > sent to me a loong time ago. > > > > Hold down Atl, hold down SysRq, press each of the keys in turn. The usual > > full sequence is R-E-I-S-U-B > > Yes, it is. > But after E there is only darkness and no response to any other SysRq > key. The ati-driver just don't want to be killed. > > With the open drivers all works as it should with SysRq but I like > 3D-acceleration and that is by now far away for my chipset with open > drivers. > > Greetings > > Sebastian > >