Comment 2 for bug 1153823

StacktraceTop:
 _dbus_write_socket_with_unix_fds_two (fd=8, buffer1=<optimized out>, start1=<optimized out>, len1=<optimized out>, buffer2=<optimized out>, start2=<optimized out>, len2=976237882, fds=0x6c75667373656363, n_fds=174812973) at ../../dbus/dbus-sysdeps-unix.c:461
 do_writing (transport=<optimized out>) at ../../dbus/dbus-transport-socket.c:607
 do_writing (transport=0x7f8df68e2fa0) at ../../dbus/dbus-transport-socket.c:494
 socket_do_iteration (transport=0x7f8df68e2fa0, flags=4294967295, timeout_milliseconds=1) at ../../dbus/dbus-transport-socket.c:1073
 _dbus_transport_do_iteration (transport=0x7f8df68e2fa0, flags=0, flags@entry=1, timeout_milliseconds=699251912, timeout_milliseconds@entry=-1) at ../../dbus/dbus-transport.c:976