your errors look like wmii try to display something but didn't found any display, cause X is down. You need to use another way to shut down X if you didn't get these messages, or redirect them to «/dev/null» . 2009/3/31, Jan de Groot <jan@xxxxxxxxxxxxxx>: > On Tue, 2009-03-31 at 10:04 -0700, arunix wrote: >> when i come back with the command ctrl+alt+backkey(backspace) it >> shows me error > > You know that CTRL+ALT+backspace is not the clean way to close X? What > happens is that X gets killed while all applications are still running. > This produces a lot of error messages because the applications bail out > when X is killed. > >