Program received signal SIGSEGV, Segmentation fault. 0x000000000042a10a in AddWindowFlags (buf=, len=757, p=0x695070) at process.c:5611 5611 && (ACLBYTE(p->w_mon_notify, D_user->u_id) & ACLBIT(D_user->u_id)) (gdb) where #0 0x000000000042a10a in AddWindowFlags (buf=, len=757, p=0x695070) at process.c:5611 #1 0x00000000004082f1 in MakeWinMsgEv (str=, win=0x695070, esc=, padlen=80, ev=0x0, rec=0) at screen.c:2740 #2 0x00000000004490e3 in gl_Window_row (ldata=0x69fa20, lrow=0x69faf0) at list_window.c:256 #3 0x0000000000447401 in glist_display_all (list=0x69fa20) at list_generic.c:463 #4 0x0000000000439253 in DoAction (act=0x670fe0, key=59) at process.c:2297 #5 0x000000000042dedc in ProcessInput2 ( ibuf=0x7fffffffbb20 ";\r\033[K[ssd@newton ssd]$ i in one", ilen=1) at process.c:943 #6 0x000000000044278d in disp_readev_fn (ev=, data=) at display.c:3531 #7 0x0000000000449675 in sched () at sched.c:237 #8 0x0000000000406c27 in main (ac=0, av=) at screen.c:1466