StacktraceTop:
sn_xcb_display_new () from /tmp/tmpqH2elf/usr/lib/libstartup-notification-1.so.0
sn_display_new () from /tmp/tmpqH2elf/usr/lib/libstartup-notification-1.so.0
wnck_screen_construct (number=0, screen=<optimized out>, display=0x9dce248) at screen.c:591
wnck_screen_get (index=0) at screen.c:648
wnck_screen_get_default () at screen.c:685
StacktraceTop: usr/lib/ libstartup- notification- 1.so.0 usr/lib/ libstartup- notification- 1.so.0 construct (number=0, screen=<optimized out>, display=0x9dce248) at screen.c:591 get_default () at screen.c:685
sn_xcb_display_new () from /tmp/tmpqH2elf/
sn_display_new () from /tmp/tmpqH2elf/
wnck_screen_
wnck_screen_get (index=0) at screen.c:648
wnck_screen_