Program received signal SIGSEGV, Segmentation fault. 0x00007fb3c5affce2 in gbm_bo_write (bo=0x0, buf=0x7fffd803fac0, count=16384) at main/gbm.c:250 250 return bo->gbm->bo_write(bo, buf, count); (gdb) bt full #0 0x00007fb3c5affce2 in gbm_bo_write (bo=0x0, buf=0x7fffd803fac0, count=16384) at main/gbm.c:250 No locals. #1 0x00007fb3c383dfda in drm_output_set_cursor (output=0xcb84a0) at compositor-drm.c:784 es = 0xceefb0 stride = 128 buf = {0 , 16777216, 0 , 16777216, 521870107, 67108864, 16777216, 0 , 16777216, 83886080, 4092785394, 722933527, 167772160, 33554432, 0 , 16777216, 184549376, 4294967295, 4109233645, 923931154, 184549376, 33554432, 0 , 16777216, 218103808, 4294967295, 4294967295, 4092259050, 856427532, 184549376, 16777216, 0 , 16777216, 234881024, 4294967295, 4288256409, 4294440951, 4041598437, 755501064, 167772160, 16777216, 0 , 16777216, 234881024, 4294967295, 4284572001, 4283585106, 4294572537, 3974226401, 688129028, 167772160, 16777216, 0 , 16777216, 234881024, 4294967295, 4284440415, 4279440147, 4284243036, 4294769916, 3889879770, 637665794, 150994944, 16777216, 0 , 16777216, 234881024, 4294967295, 4284243036, 4279242768, 4279834905, 4284900966, 4294835709, 3805598932, 570425344, 134217728, 16777216, 0 , 16777216, 234881024, 4294967295, 4284045657, 4278979596, 4279571733, 4280163870, 4285690482, 4294901502, 3687566283, 536870912, 134217728, 16777216, 0 , 16777216, 234881024, 4294967295, 4283979864, 4278716424, 4279308561, 4279900698, 4280558628, 4286348412...} x = 13337760 c = 0xa5ba10 handle = 0 bo = 0x0 s = 0x7fb3c1af1000 "" i = 32 y = 32767 #2 0x00007fb3c383cad3 in drm_output_repaint (output_base=0xcb84a0, damage=0x7fffd8043c10) at compositor-drm.c:395 s = 0x0 ret = 0 output = 0xcb84a0 compositor = 0xa5ba10 mode = 0xcb6b60 #3 0x000000000040ab87 in weston_output_repaint (output=0xcb84a0, msecs=1326751884) at compositor.c:1201 es = 0xa5bb60 animation = 0xcb40e8 cnext = 0x7fffd8043c00 new_damage = {extents = {x1 = 0, y1 = 0, x2 = 8192, y2 = 8192}, data = 0xd65650} width = 1366 height = 768 layer = 0xa5bc10 opaque = {extents = {x1 = 0, y1 = 0, x2 = 0, y2 = 0}, data = 0x7fb3c4569c20} ec = 0xa5ba10 next = 0xcb40e8 cb = 0x7fffd8043c00 frame_callback_list = {prev = 0x7fffd8043c50, next = 0x7fffd8043c50} output_damage = {extents = {x1 = 0, y1 = 0, x2 = 1366, y2 = 768}, data = 0x0} #4 0x000000000040adb8 in weston_output_finish_frame (output=0xcb84a0, msecs=1326751884) at compositor.c:1242 compositor = 0xa5ba10 loop = 0xa59af0 fd = 3 #5 0x00007fb3c383cec7 in vblank_handler (fd=12, frame=132660, sec=1345651515, usec=532582, data=0xcb6e80) at compositor-drm.c:474 s = 0xcb6e80 c = 0xa5ba10 output = 0xcb84a0 msecs = 1326751884 #6 0x00007fb3c56aa07a in drmHandleEvent (fd=12, evctx=0x7fffd8044190) at xf86drmMode.c:797 buffer = "\002\000\000\000 \000\000\000\240\204\313\000\000\000\000\000;\003\065P? \b\000\064\006\002\000\000\000\000\000\001\000\000\000 \000\000\000\200n\313\000\000\000\000\000;\003\065Pf \b\000\064\006\002\000\000\000\000\000\001\000\000\000\001\000\000\000\001\000\000\000\a\000\000\000\340=\004\330\000\000\000\000\250\236\246\000\000\000\000\000\357\b\000\000\000\020\000\000Ð\246\000\000\000\000\000\250\236\246\000\000\000\000\000\000\200\000\000\000\000\000\000Ð\246\000\000\000\000\001\020\221\262\000\000\000\000\000\020>\004\330\377\177\000\000\236x\24---Type to continue, or q to quit--- 5³\177\000\000@>\004\330\000\020\000\000\000\200\000\000\000\000\000\000V\313?ó\177\000\000Ð\246\000\000\000\000\000@>\004\330\377\177\000\000\357-\245³\177\000\000@>\004\330\000\020\000\000\000\200\000\000\000\000\000\000V\313?ó\177\000\000\033\066jų\177\000\000`>"... len = 64 i = 32 e = 0x7fffd8043d70 vblank = 0x7fffd8043d70 #7 0x00007fb3c383eddd in on_drm_input (fd=12, mask=1, data=0xa5ba10) at compositor-drm.c:1051 evctx = {version = 2, vblank_handler = 0x7fb3c383cd1f , page_flip_handler = 0x7fb3c383ced2 } #8 0x00007fb3c5d110a3 in wl_event_source_fd_dispatch (source=0xcb2f80, ep=0x7fffd8044200) at event-loop.c:79 fd_source = 0xcb2f80 mask = 1 #9 0x00007fb3c5d11cfe in wl_event_loop_dispatch (loop=0xa59af0, timeout=-1) at event-loop.c:410 i = 0 count = 1 ep = {{events = 1, data = {ptr = 0xcb2f80, fd = 13315968, u32 = 13315968, u64 = 13315968}}, {events = 1, data = {ptr = 0xcb2f80, fd = 13315968, u32 = 13315968, u64 = 13315968}}, {events = 3323149712, data = {ptr = 0xd804427000007fb3, fd = 32691, u32 = 32691, u64 = 15565639260903079859}}, { events = 32767, data = {ptr = 0x7fffd8044250, fd = -670809520, u32 = 3624157776, u64 = 140736817545808}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0xb5e4e1d1, fd = -1243291183, u32 = 3051676113, u64 = 3051676113}}, { events = 3318771513, data = {ptr = 0xffffffff00007fb3, fd = 32691, u32 = 32691, u64 = 18446744069414617011}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, { events = 327306929, data = {ptr = 0x402aa700000000, fd = 0, u32 = 0, u64 = 18061295257387008}}, { events = 0, data = {ptr = 0x7fb3c5d06260, fd = -976199072, u32 = 3318768224, u64 = 140410094641760}}, {events = 3323148856, data = {ptr = 0xd0051000007fb3, fd = 32691, u32 = 32691, u64 = 58552361433464755}}, {events = 0, data = {ptr = 0x7fb3c56a361b, fd = -982895077, u32 = 3312072219, u64 = 140410087945755}}, {events = 3318767336, data = {ptr = 0xc6133a3800007fb3, fd = 32691, u32 = 32691, u64 = 14272815656259846067}}, {events = 32691, data = {ptr = 0xc01064ab, fd = -1072667477, u32 = 3222299819, u64 = 3222299819}}, {events = 2, data = { ptr = 0xa5bfd00000000c, fd = 12, u32 = 12, u64 = 46654271231361036}}, {events = 0, data = { ptr = 0xcf8dc0, fd = 13602240, u32 = 13602240, u64 = 13602240}}, {events = 3624157952, data = { ptr = 0xd804432000007fff, fd = 32767, u32 = 32767, u64 = 15565640016817324031}}, {events = 32767, data = {ptr = 0xcea9b0, fd = 13543856, u32 = 13543856, u64 = 13543856}}, {events = 13543856, data = { ptr = 0xd804432000000000, fd = 0, u32 = 0, u64 = 15565640016817291264}}, {events = 32767, data = { ptr = 0x7fb3c5f1e898, fd = -974002024, u32 = 3320965272, u64 = 140410096838808}}, {events = 0, data = {ptr = 0xd804473000000000, fd = 0, u32 = 0, u64 = 15565644483583279104}}, {events = 32767, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0xd80443c000000000, fd = 0, u32 = 0, u64 = 15565640704012058624}}, {events = 32767, data = {ptr = 0x3d7d20e2e4, fd = 2099307236, u32 = 2099307236, u64 = 264092312292}}, {events = 5, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x7fb3c5d06260, fd = -976199072, u32 = 3318768224, u64 = 140410094641760}}, {events = 2099307236, data = {ptr = 0x3d, fd = 61, u32 = 61, u64 = 61}}, { events = 0, data = {ptr = 0x7fffd80443c0, fd = -670809152, u32 = 3624158144, u64 = 140736817546176}}, {events = 4220304, data = {ptr = 0x7d21491500000000, fd = 0, u32 = 0, u64 = 9016568283515584512}}, { events = 61, data = {ptr = 0xa59af0, fd = 10853104, u32 = 10853104, u64 = 10853104}}, { events = 2104435850, data = {ptr = 0x3d, fd = 61, u32 = 61, u64 = 61}}, {events = 0, data = { ptr = 0xffffffff, fd = -1, u32 = 4294967295, u64 = 4294967295}}} source = 0xcb2f80 n = 0 #10 0x00007fb3c5d0e425 in wl_display_run (display=0xa59aa0) at wayland-server.c:1103 No locals. #11 0x0000000000411c2a in main (argc=1, argv=0x7fffd8044738) at compositor.c:3613 segv_action = {__sigaction_handler = {sa_handler = 0x410fb7 , sa_sigaction = 0x410fb7 }, sa_mask = {__val = {0 }}, sa_flags = -2147483644, sa_restorer = 0} backend_module = 0x7fffd8044640 module_init = 0 help = 0 cs = {{name = 0x41ece8 "shell", keys = 0x7fffd80445a0, num_keys = 1, done = 0}} shell_module = 0x405879 ---Type to continue, or q to quit--- backend = 0x41ee23 "drm-backend.so" shell_config_keys = {{name = 0x41ece3 "type", type = CONFIG_KEY_STRING, data = 0x7fffd80445e8}} signals = {0xa59b70, 0xa59bc0, 0xa5a360, 0xa5a3b0} backend_init = 0x7fb3c384353e shell = 0xa5a640 "desktop-shell.so" module = 0x0 log = 0x0 idle_time = 300 xserver = 0 config_file = 0xa59c10 " ", ret = 0 ec = 0xa5ba10 loop = 0xa59af0 xserver_module = 0x7fb3c4776108 i = 1 core_options = {{type = WESTON_OPTION_STRING, name = 0x41ecee "backend", short_name = 66, data = 0x7fffd80445f0}, {type = WESTON_OPTION_STRING, name = 0x41ecf6 "socket", short_name = 83, data = 0x7fffd80445c0}, {type = WESTON_OPTION_INTEGER, name = 0x41ecfd "idle-time", short_name = 105, data = 0x7fffd80445d4}, {type = WESTON_OPTION_BOOLEAN, name = 0x41ed07 "xserver", short_name = 0, data = 0x7fffd80445d0}, {type = WESTON_OPTION_STRING, name = 0x41ed0f "module", short_name = 0, data = 0x7fffd80445e0}, {type = WESTON_OPTION_STRING, name = 0x41ed16 "log", short_name = 0, data = 0x7fffd80445d8}, {type = WESTON_OPTION_BOOLEAN, name = 0x41ed1a "help", short_name = 104, data = 0x7fffd80445cc}} display = 0xa59aa0 socket_name = 0x0 (gdb)