18 18 =nbsp;mach_msg_trap + 10 (libsystem_kernel.dylib + 70878) =0x7fff8f3ac4de] 1-18 *18 =nbsp;ipc_mqueue_receive_continue + 0 (kernel + 1165472) =Oxffffff800031c8a0) 1-18 Thread =x508766 18 samples (1-18) priority =1 <frontmost, thread O05 legacy, boosted, received =mportance donation from WindowServer 11051,