<DIV>Compiled the wayland successfully,use --prefix=/usr/X11R7 --sysconfdir=/etc. When run ./compositor -b my-image.jpg,successfully,can move mouse ,don't other. When run ./compositor && terminal always get below error: failed to create display: no such file or directory That's probably just a race condition - the client starts up and tries to conncet to the socket before the compositor has created it.  Try ./compositor && (sleep 2; terminal) instead. When run ./compositor && terminal successfully , can move mouse , but don't other,  not terminal.switch to a different VT,off compositor, switch to VT,get error: failed to create display: no such file or directory when run  (compositor/compositor &);sleep 2;(clients/terminal &) get error: could not put terminal into raw mode: Input/output error</DIV> <DIV>could not restore terminal to canonical mode</DIV>