Despite what RandR might report, when Xinerama is running, RandR shuts
itself down, because there is (so far) no defined method for them both
to run at the same time on the same X server. I'm told that there are
protocol updates in the works to handle that, but until they show up,
the two feature a
Backtrace:
Breakpoint 1, gdk_x_error (display=0x6947d0, error=0x7fffcfa0) at
/build/buildd/gtk+2.0-2.20.1/gdk/x11/gdkmain-x11.c:438
438 /build/buildd/gtk+2.0-2.20.1/gdk/x11/gdkmain-x11.c: No such file or
directory.
in /build/buildd/gtk+2.0-2.20.1/gdk/x11/gdkmain-x11.c
(gdb) bt
#0