Comment 3 for bug 1040848

StacktraceTop:
 __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
 _xcb_conn_wait (c=0x2140810, cond=<optimized out>, vector=0x0, count=0x0) at ../../src/xcb_conn.c:400
 wait_for_reply (c=0x2140810, request=64000, e=0x7fff94716768) at ../../src/xcb_in.c:390
 xcb_wait_for_reply (c=c@entry=0x2140810, request=64000, e=e@entry=0x7fff94716768) at ../../src/xcb_in.c:420
 _XReply (dpy=dpy@entry=0x213f5c0, rep=rep@entry=0x7fff947167d0, extra=extra@entry=0, discard=discard@entry=0) at ../../src/xcb_io.c:601