Comment 25 for bug 1599516

Can this help ?

test@Asgard:~$ cat /proc/$(pidof compiz)/environ
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/binXDG_VTNR=7PAM_KWALLET5_LOGIN=/tmp/kwallet5_test.socketXDG_SESSION_ID=c2CLUTTER_IM_MODULE=ximXDG_GREETER_DATA_DIR=/var/lib/lightdm-data/testSHELL=/bin/bashQT_LINUX_ACCESSIBILITY_ALWAYS_ON=1GTK_MODULES=gail:atk-bridge:unity-gtk-moduleUSER=testQT_ACCESSIBILITY=1XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0DEFAULTS_PATH=/usr/share/gconf/ubuntu.default.pathXDG_CONFIG_DIRS=/etc/xdg/xdg-ubuntu:/usr/share/upstart/xdg:/etc/xdg:/usr/share/kubuntu-default-settings/kf5-settingsDESKTOP_SESSION=ubuntuQT_IM_MODULE=ibusQT_QPA_PLATFORMTHEME=appmenu-qt5PWD=/home/testXDG_SESSION_TYPE=x11XMODIFIERS=@im=ibusLANG=fr_FR.UTF-8MANDATORY_PATH=/usr/share/gconf/ubuntu.mandatory.pathGDM_LANG=fr_FRIM_CONFIG_PHASE=1COMPIZ_CONFIG_PROFILE=ubuntuGDMSESSION=ubuntuSESSIONTYPE=gnome-sessionGTK2_MODULES=overlay-scrollbarSHLVL=0XDG_SEAT=seat0HOME=/home/testLANGUAGE=fr_FRXDG_SESSION_DESKTOP=ubuntuLOGNAME=testQT4_IM_MODULE=ibusXDG_DATA_DIRS=/usr/share/ubuntu:/usr/share/gnome:/usr/local/share/:/usr/share/:/var/lib/snapd/desktopXDG_RUNTIME_DIR=/run/user/1000DISPLAY=:0GTK_IM_MODULE=ibusXDG_CURRENT_DESKTOP=UnityXAUTHORITY=/home/test/.XauthorityDBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-whFQNZPQwXSSH_AUTH_SOCK=/run/user/1000/keyring/sshGNOME_KEYRING_CONTROL=GNOME_KEYRING_PID=GPG_AGENT_INFO=/home/test/.gnupg/S.gpg-agent:0:1GNOME_DESKTOP_SESSION_ID=this-is-deprecatedSESSION=ubuntuJOB=unity-settings-daemonINSTANCE=UPSTART_EVENTS=xsession startedXDG_MENU_PREFIX=gnome-SESSION_MANAGER=local/Asgard:@/tmp/.ICE-unix/3715,unix/Asgard:/tmp/.ICE-unix/3715UPSTART_JOB=unity7UPSTART_INSTANCE=UPSTART_SESSION=unix:abstract=/com/ubuntu/upstart-session/1000/3511test@Asgard:~$