Program received signal SIGSEGV, Segmentation fault. 0x000000376327c7e4 in _int_malloc () from /lib64/libc.so.6 (gdb) bt #0 0x000000376327c7e4 in _int_malloc () from /lib64/libc.so.6 #1 0x000000376327f4b3 in malloc () from /lib64/libc.so.6 #2 0x00007fd457ee7d3c in wl_closure_marshal (sender=0x1a23540, opcode=0, args=0x7fff7281ef90, message=0x7fd4583041d0) at connection.c:488 #3 0x00007fd457ee8239 in wl_closure_vmarshal (sender=0x1a23540, opcode=0, ap=0x7fff7281f058, message=0x7fd4583041d0) at connection.c:566 #4 0x00007fd457edf0aa in wl_resource_post_event (resource=0x1a23540, opcode=0) at wayland-server.c:123 #5 0x00007fd457edef7b in wl_callback_send_done (resource_=0x1a23540, serial=274) at wayland-server-protocol.h:202 #6 0x00007fd457ee05a3 in display_sync (client=0x17e7130, resource=0x1a4ef70, id=40) at wayland-server.c:596 #7 0x0000003765e05e90 in ffi_call_unix64 () from /lib64/libffi.so.5 #8 0x0000003765e058a0 in ffi_call () from /lib64/libffi.so.5 #9 0x00007fd457ee937c in wl_closure_invoke (closure=0x1a8e420, flags=2, target=0x1a4ef70, opcode=0, data=0x17e7130) at connection.c:887 #10 0x00007fd457edf89a in wl_client_connection_data (fd=13, mask=1, data=0x17e7130) at wayland-server.c:280 #11 0x00007fd457ee25e6 in wl_event_source_fd_dispatch (source=0x18ae090, ep=0x7fff7281f510) at event-loop.c:86 #12 0x00007fd457ee3264 in wl_event_loop_dispatch (loop=0x17cbc40, timeout=-1) at event-loop.c:421 #13 0x00007fd457ee0e62 in wl_display_run (display=0x17cbbd0) at wayland-server.c:794 #14 0x000000000041198f in main (argc=1, argv=0x7fff7281f958) at compositor.c:3339 (gdb) bt full #0 0x000000376327c7e4 in _int_malloc () from /lib64/libc.so.6 No symbol table info available. #1 0x000000376327f4b3 in malloc () from /lib64/libc.so.6 No symbol table info available. #2 0x00007fd457ee7d3c in wl_closure_marshal (sender=0x1a23540, opcode=0, args=0x7fff7281ef90, message=0x7fd4583041d0) at connection.c:488 closure = 0x7281ef00 i = 1 count = 1 fd = 32767 dup_fd = 1921118096 object = 0x7fd458101708 signature = 0x7fd45810170a "wl_display" arg = {type = 88 'X', nullable = 32767} __PRETTY_FUNCTION__ = "wl_closure_marshal" #3 0x00007fd457ee8239 in wl_closure_vmarshal (sender=0x1a23540, opcode=0, ap=0x7fff7281f058, message=0x7fd4583041d0) at connection.c:566 args = {{i = 274, u = 274, f = 274, s = 0x100000112
, o = 0x100000112, n = 274, a = 0x100000112, h = 274}, {i = 27586416, u = 27586416, f = 27586416, s = 0x1a4ef70 "", o = 0x1a4ef70, n = 27586416, a = 0x1a4ef70, h = 27586416}, {i = 30, u = 30, f = 30, s = 0x1e , o = 0x1e, n = 30, a = 0x1e, h = 30}, {i = 1921118232, u = 1921118232, f = 1921118232, s = 0x7fff7281f018 "\020", o = 0x7fff7281f018, n = 1921118232, a = 0x7fff7281f018, h = 1921118232}, {i = 1921118192, u = 1921118192, f = 1921118192, s = 0x7281eff0 , o = 0x7281eff0, n = 1921118192, a = 0x7281eff0, h = 1921118192}, {i = 25296752, u = 25296752, f = 25296752, s = 0x181ff70 "\300_\200\001", o = 0x181ff70, n = 25296752, a = 0x181ff70, h = 25296752}, {i = 26866032, u = 26866032, f = 26866032, s = 0x199f170 "", o = 0x199f170, n = 26866032, a = 0x199f170, h = 26866032}, {i = 25186656, u = 25186656, f = 25186656, s = 0x100000001805160 , o = 0x100000001805160, n = 25186656, a = 0x100000001805160, h = 25186656}, {i = 1921118192, u = 1921118192, f = 1921118192, s = 0x7fff7281eff0 "0\360\201r", o = 0x7fff7281eff0, n = 1921118192, a = 0x7fff7281eff0, h = 1921118192}, {i = 1409001294, u = 1409001294, f = 1409001294, s = 0x7fd453fba74e "\311\303UH\211\345\211}\374\213E\374=\023\205", o = 0x7fd453fba74e, n = 1409001294, a = 0x7fd453fba74e, h = 1409001294}, {i = 0, u = 0, f = 0, s = 0x0, o = 0x0, n = 0, a = 0x0, h = 0}, {i = 1921118232, u = 1921118232, f = 1921118232, s = 0x7fff7281f018 "\020", o = 0x7fff7281f018, n = 1921118232, a = 0x7fff7281f018, h = 1921118232}, {i = 1921118256, u = 1921118256, f = 1921118256, s = 0x7281f030 , o = 0x7281f030, n = 1921118256, a = 0x7281f030, h = 1921118256}, {i = 1921118788, u = 1921118788, f = 1921118788, s = 0x7fff7281f244 "\377\177", o = 0x7fff7281f244, n = 1921118788, a = 0x7fff7281f244, h = 1921118788}, {i = 1921118272, u = 1921118272, f = 1921118272, s = 0x7fff7281f040 "@\361\201r", o = 0x7fff7281f040, n = 1921118272, a = 0x7fff7281f040, h = 1921118272}, {i = 1921118944, u = 1921118944, f = 1921118944, s = 0x7fff7281f2e0 "\200a\340e7", o = 0x7fff7281f2e0, n = 1921118944, a = 0x7fff7281f2e0, h = 1921118944}, {i = 1921118624, u = 1921118624, f = 1921118624, s = 0x7fff7281f1a0 "", o = 0x7fff7281f1a0, n = 1921118624, a = 0x7fff7281f1a0, h = 1921118624}, {i = 16, u = 16, f = 16, s = 0x10 , o = 0x10, n = 16, a = 0x10, h = 16}, {i = 1921119120, u = 1921119120, f = 1921119120, s = 0x7fff7281f390 "\240\362\201r\377\177", o = 0x7fff7281f390, n = 1921119120, a = 0x7fff7281f390, h = 1921119120}, {i = 1475256479, u = 1475256479, f = 1475256479, s = 0x7fd457eea09f "\311\303\017\037", o = 0x7fd457eea09f, n = 1475256479, a = 0x7fd457eea09f, h = 1475256479}} #4 0x00007fd457edf0aa in wl_resource_post_event (resource=0x1a23540, opcode=0) at wayland-server.c:123 closure = 0x7fff7281f150 object = 0x1a23540 ap = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff7281f140, reg_save_area = 0x7fff7281f080}} #5 0x00007fd457edef7b in wl_callback_send_done (resource_=0x1a23540, serial=274) at wayland-server-protocol.h:202 No locals. #6 0x00007fd457ee05a3 in display_sync (client=0x17e7130, resource=0x1a4ef70, id=40) at wayland-server.c:596 callback = 0x1a23540 serial = 274 #7 0x0000003765e05e90 in ffi_call_unix64 () from /lib64/libffi.so.5 No symbol table info available. #8 0x0000003765e058a0 in ffi_call () from /lib64/libffi.so.5 No symbol table info available. #9 0x00007fd457ee937c in wl_closure_invoke (closure=0x1a8e420, flags=2, target=0x1a4ef70, opcode=0, data=0x17e7130) at connection.c:887 count = 1 ffi_types = {0x3765e06180, 0x3765e06180, 0x3765e06200, 0x100, 0x0, 0x0, 0x0, 0x0, 0x330000000e, 0x6e0000005b, 0x7c00000077, 0x7fff7281f350, 0x7fff7281f450, 0x7fd457ee69d4, 0x17d1f98, 0xc, 0x1a8e4f0, 0x17ed380, 0xdc, 0x86400407e90, 0x287281f3b0, 0x17e7168} implementation = 0x7fd4580ef490 cif = {abi = FFI_UNIX64, nargs = 3, arg_types = 0x7fff7281f2e0, rtype = 0x3765e062a0, bytes = 0, flags = 0} ffi_args = {0x7fff7281f2a0, 0x7fff7281f2a8, 0x1a8e438, 0x17ed380, 0x7fff7281f450, 0x7fd457ee8a5d, 0x7fd458304080, 0x17e7168, 0xc017d1da0, 0x17ed380, 0x6e, 0x7fd4581016e6, 0x7fff7281f420, 0x7fd4581016e5, 0x7fff7281f450, 0x7fd457ee8d8e, 0x17e7168, 0x1a8e420, 0x7281f46e, 0x100000001, 0x7fd458304080, 0x100000001} #10 0x00007fd457edf89a in wl_client_connection_data (fd=13, mask=1, data=0x17e7130) at wayland-server.c:280 connection = 0x17ed380 resource = 0x1a4ef70 message = 0x7fd458304080 p = {1, 786432} size = 12 closure = 0x1a8e420 client = 0x17e7130 object = 0x1a4ef70 opcode = 0 len = 0 #11 0x00007fd457ee25e6 in wl_event_source_fd_dispatch (source=0x18ae090, ep=0x7fff7281f510) at event-loop.c:86 ---Type