Steven wrote: > Thanks. What exactly is this machine? IBM ThinkPad i 1200? It is a very old machine.
> but there is not much detail in the backtrace. > > If you are able to install Xorg 1.19.1 again, please try to also install > xserver-xorg-video-siliconmotion-dbgsym and > xserver-xorg-core-dbgsym, from this APT respository: > > deb http://debug.mirrors.debian.org/debian-debug/ sid-debug main > > then the Xorg.log should give a more detailed backtrace. I am not made to make a core dumped even if I install it. Is there the necessary procedure any place other than "ulimit -c unlimited?"

