(gdb) c Continuing. Detaching after fork from child process 6668. Program received signal SIGSEGV, Segmentation fault. 0x00007fb4f9a6d364 in wl_list_insert (list=0xba14e0, elm=0xba22c0) at wayland-util.c:47 47 elm->next->prev = elm; (gdb) bt full #0 0x00007fb4f9a6d364 in wl_list_insert (list=0xba14e0, elm=0xba22c0) at wayland-util.c:47 No locals. #1 0x000000000040f72a in weston_compositor_stack_plane (ec=0x8ce770, plane=0xba2288, above=0x8ce968) at compositor.c:2507 No locals. #2 0x00007fb4f712053d in create_output_for_connector (ec=0x8ce770, resources=0xb8c220, connector=0xb90940, x=1366, y=0, drm_device=0xa6d0c0) at compositor-drm.c:1950 encoder = 0x0 crtc = 0xb00000010 drm_mode = 0xba2160 next = 0x5a000000a0 preferred = 0xb8f920 config = OUTPUT_CONFIG_PREFERRED output = 0xba1f00 configured = 0x0 m = 0x40000001a section = 0x0 width = 0 s = 0xa6bb80 "\360\377\214" transform = 0 crtc_mode = {clock = 0, hdisplay = 0, hsync_start = 0, hsync_end = 0, htotal = 0, hskew = 0, vdisplay = 0, vsync_start = 0, vsync_end = 0, vtotal = 0, vscan = 0, vrefresh = 0, flags = 0, type = 0, name = '\000' } modeline = {clock = 10834192, hdisplay = 0, hsync_start = 0, hsync_end = 20688, htotal = 165, hskew = 0, vdisplay = 0, vsync_start = 34288, vsync_end = 14996, vtotal = 32767, vscan = 0, vrefresh = 4179765577, flags = 32692, type = 10834576, name = "\000\000\000\000\020\000\000\000\f", '\000' } i = 26 name = "HDMI1\000\000\000\263\364'c7\000\000\000X\000\000\000\000\000\000\000\000\002\000\000\000\000\000" current = 0x0 height = 1 scale = 1 type_name = 0x7fb4f712eace "HDMI" #3 0x00007fb4f7121024 in update_outputs (ec=0x8ce770, drm_device=0xa6d0c0) at compositor-drm.c:2162 last = 0x8db390 connector_id = 16 connector = 0xb90940 output = 0x8ce770 x_offset = 0 y_offset = 0 connected = 66048 x = 1366 disconnects = 0 resources = 0xb8c220 next = 0xa6d0c0 y = 0 i = 2 #4 0x00007fb4f71213cb in udev_drm_event (fd=45, mask=1, data=0x8ce770) at compositor-drm.c:2223 ---Type to continue, or q to quit--- ec = 0x8ce770 event = 0xa6d0c0 #5 0x00007fb4f984e5e6 in wl_event_source_fd_dispatch (source=0x9aa8e0, ep=0x7fff3a948700) at event-loop.c:86 fd_source = 0x9aa8e0 mask = 1 #6 0x00007fb4f984f264 in wl_event_loop_dispatch (loop=0x8cbc60, timeout=-1) at event-loop.c:421 i = 0 count = 1 ep = {{events = 1, data = {ptr = 0x9aa8e0, fd = 10135776, u32 = 10135776, u64 = 10135776}}, {events = 0, data = {ptr = 0x7fff3a948750, fd = 982812496, u32 = 982812496, u64 = 140734176200528}}, {events = 4186254835, data = {ptr = 0x404000007fb4, fd = 32692, u32 = 32692, u64 = 70643622117300}}, { events = 0, data = {ptr = 0x7fff3a948850, fd = 982812752, u32 = 982812752, u64 = 140734176200784}}, {events = 982812624, data = {ptr = 0xace35800007fff, fd = 32767, u32 = 32767, u64 = 48663663090892799}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 4175124009, data = { ptr = 0x3a94886000007fb4, fd = 32692, u32 = 32692, u64 = 4221148696651268020}}, {events = 32767, data = {ptr = 0x7fb4f9853113, fd = -108711661, u32 = 4186255635, u64 = 140415257096467}}, {events = 327306929, data = {ptr = 0xacb34000000000, fd = 0, u32 = 0, u64 = 48610783453511680}}, {events = 0, data = {ptr = 0xaccd8c, fd = 11324812, u32 = 11324812, u64 = 11324812}}, {events = 20, data = {ptr = 0xacc34800000000, fd = 0, u32 = 0, u64 = 48628409999294464}}, {events = 0, data = {ptr = 0x24, fd = 36, u32 = 36, u64 = 36}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, { events = 32692, data = {ptr = 0x7fff3a948770, fd = 982812528, u32 = 982812528, u64 = 140734176200560}}, {events = 1, data = {ptr = 0x3a9487d000000000, fd = 0, u32 = 0, u64 = 4221148078175944704}}, {events = 32767, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = { ptr = 0xf9a5bbe800000000, fd = 0, u32 = 0, u64 = 17988990891708121088}}, {events = 32692, data = {ptr = 0x14, fd = 20, u32 = 20, u64 = 20}}, { events = 1, data = {ptr = 0x3800000001, fd = 1, u32 = 1, u64 = 240518168577}}, {events = 0, data = {ptr = 0x7fb4f9a5bce8, fd = -106578712, u32 = 4188388584, u64 = 140415259229416}}, {events = 0, data = {ptr = 0x3a948b4000000000, fd = 0, u32 = 0, u64 = 4221151857747165184}}, {events = 32767, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x3a9488c000000000, fd = 0, u32 = 0, u64 = 4221149108968095744}}, { events = 32767, data = {ptr = 0x3762e0e2d4, fd = 1658905300, u32 = 1658905300, u64 = 237882106580}}, {events = 5, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x7fb4f9846168, fd = -108764824, u32 = 4186202472, u64 = 140415257043304}}, {events = 1658905300, data = { ptr = 0x37, fd = 55, u32 = 55, u64 = 55}}, {events = 0, data = {ptr = 0x7fff3a9488c0, fd = 982812864, u32 = 982812864, u64 = 140734176200896}}, { events = 0, data = {ptr = 0x1a4400000001, fd = 1, u32 = 1, u64 = 28879360098305}}, {events = 0, data = {ptr = 0x7fff3a9488a0, fd = 982812832, u32 = 982812832, u64 = 140734176200864}}, {events = 4186230489, data = {ptr = 0x8cbc3800007fb4, fd = 32692, u32 = 32692, u64 = 39613445443714996}}, { events = 0, data = {ptr = 0x8cbbf0, fd = 9223152, u32 = 9223152, u64 = 9223152}}} source = 0x9aa8e0 n = 0 #7 0x00007fb4f984ce62 in wl_display_run (display=0x8cbbf0) at wayland-server.c:794 No locals. #8 0x00000000004119c3 in main (argc=1, argv=0x7fff3a948b48) at compositor.c:3340 ret = 0 loop = 0x8cbc60 i = 1 section = 0x8cc8e0 display = 0x8cbbf0 option_modules = 0x0 help = 0 ec = 0x8ce770 signals = {0x8cbcf0, 0x8cbd40, 0x8cc5e0, 0x8cc630} config_fd = 8 ---Type to continue, or q to quit--- modules = 0x8cc6a0 "desktop-shell.so" socket_name = 0x430693 "wayland-0" config = 0x8cc680 core_options = {{type = WESTON_OPTION_STRING, name = 0x43069d "backend", short_name = 66, data = 0x7fff3a948a18}, {type = WESTON_OPTION_STRING, name = 0x4306a5 "socket", short_name = 83, data = 0x7fff3a9489f0}, {type = WESTON_OPTION_INTEGER, name = 0x4306ac "idle-time", short_name = 105, data = 0x7fff3a9489fc}, {type = WESTON_OPTION_STRING, name = 0x4306b6 "modules", short_name = 0, data = 0x7fff3a948a08}, {type = WESTON_OPTION_STRING, name = 0x4306be "log", short_name = 0, data = 0x7fff3a948a00}, {type = WESTON_OPTION_BOOLEAN, name = 0x4306c2 "help", short_name = 104, data = 0x7fff3a9489f8}, {type = WESTON_OPTION_BOOLEAN, name = 0x4306c7 "version", short_name = 0, data = 0x7fff3a9489ec}} backend_init = 0x7fb4f71224d4 backend = 0x8cb9e0 "drm-backend.so" log = 0x0 idle_time = 10 version = 0 (gdb)