(gdb) c Continuing. Program received signal SIGSEGV, Segmentation fault. 0x000000388c86290b in pixman_region32_union () from /lib64/libpixman-1.so.0 (gdb) bt #0 0x000000388c86290b in pixman_region32_union () from /lib64/libpixman-1.so.0 #1 0x00000000004097ea in weston_surface_damage_below (surface=0x900ff0) at compositor.c:578 #2 0x000000000040976b in weston_surface_move_to_plane (surface=0x900ff0, plane=0x738138) at compositor.c:565 #3 0x00007f466d3e5091 in drm_assign_planes (output=0x898130) at compositor-drm.c:1044 #4 0x000000000040b804 in weston_output_repaint (output=0x898130, msecs=111226099) at compositor.c:1379 #5 0x000000000040bb67 in weston_output_finish_frame (output=0x898130, msecs=111226099) at compositor.c:1444 #6 0x00007f466d3e4267 in page_flip_handler (fd=13, frame=278681, sec=111226, usec=99193, data=0x898130) at compositor-drm.c:725 #7 0x00007f466d85715c in drmHandleEvent (fd=13, evctx=0x7fff967fb030) at xf86drmMode.c:826 #8 0x00007f466d3e5655 in on_drm_input (fd=13, mask=1, data=0x737f20) at compositor-drm.c:1198 #9 0x00007f466dc72974 in wl_event_source_fd_dispatch (source=0x7eff60, ep=0x7fff967fb0a0) at event-loop.c:86 #10 0x00007f466dc73325 in wl_event_loop_dispatch (loop=0x733c60, timeout=-1) at event-loop.c:421 #11 0x00007f466dc71479 in wl_display_run (display=0x733bd0) at wayland-server.c:869 #12 0x000000000040fe54 in main (argc=1, argv=0x7fff967fb508) at compositor.c:3542 (gdb) bt full #0 0x000000388c86290b in pixman_region32_union () from /lib64/libpixman-1.so.0 No symbol table info available. #1 0x00000000004097ea in weston_surface_damage_below (surface=0x900ff0) at compositor.c:578 damage = {extents = {x1 = 767, y1 = 482, x2 = 799, y2 = 514}, data = 0x0} #2 0x000000000040976b in weston_surface_move_to_plane (surface=0x900ff0, plane=0x738138) at compositor.c:565 No locals. #3 0x00007f466d3e5091 in drm_assign_planes (output=0x898130) at compositor-drm.c:1044 c = 0x737f20 es = 0x900ff0 next = 0x902160 overlap = {extents = {x1 = 0, y1 = 0, x2 = 0, y2 = 0}, data = 0x388c892160} surface_overlap = {extents = {x1 = 0, y1 = 0, x2 = 0, y2 = 0}, data = 0x388c892160} primary = 0x738138 next_plane = 0x738138 #4 0x000000000040b804 in weston_output_repaint (output=0x898130, msecs=111226099) at compositor.c:1379 ec = 0x737f20 es = 0x733bd0 animation = 0x0 next = 0x40a613 cb = 0x7fff967fab50 cnext = 0x738078 frame_callback_list = {prev = 0x0, next = 0x742260} output_damage = {extents = {x1 = 0, y1 = 0, x2 = 40, y2 = 48}, data = 0x7fff967fac80} #5 0x000000000040bb67 in weston_output_finish_frame (output=0x898130, msecs=111226099) at compositor.c:1444 compositor = 0x737f20 loop = 0x733c60 fd = 0 #6 0x00007f466d3e4267 in page_flip_handler (fd=13, frame=278681, sec=111226, usec=99193, data=0x898130) at compositor-drm.c:725 output = 0x898130 msecs = 111226099 #7 0x00007f466d85715c in drmHandleEvent (fd=13, evctx=0x7fff967fb030) at xf86drmMode.c:826 buffer = "\002\000\000\000 \000\000\000\060\201\211\000\000\000\000\000z\262\001\000y\203\001\000\231@\004\000\000\000\000\000\270\255\177\226\377\177\000\000\274\255\177\226\377\177\000\000\360\256\177\226\377\177\000\000\254Q\300\202\070\000\000\000p\254\177\226\377\177\000\000\200\247;\200\070\000\000\000\034\000\000\000\000\000\000\000\030\000\000\000\000\000\000\000\020\255\177\226\377\177\000\000\360\256\177\226\377\177\000\000@\256\177\226\377\177\000\000\\\000\b\200\070\000\000\000\214Ϡ\000\000\000\000\000\214Ϡ\000\000\000\000\000\034\000\000\000\000\000\000\000Jc\b\200\070\000\000\000\020\255\177\226\377\177\000\000\000\000\000\000\000\000\000\000\300\254\177\226\377\177\000\000\311\375\337jF\177\000\000\214Ϡ\000\000\000\000\000\220<\215"... len = 32 i = 0 e = 0x7fff967fabf0 vblank = 0x7fff967fabf0 #8 0x00007f466d3e5655 in on_drm_input (fd=13, mask=1, data=0x737f20) at compositor-drm.c:1198 evctx = {version = 2, vblank_handler = 0x7f466d3e4105 , page_flip_handler = 0x7f466d3e41b0 } #9 0x00007f466dc72974 in wl_event_source_fd_dispatch (source=0x7eff60, ep=0x7fff967fb0a0) at event-loop.c:86 fd_source = 0x7eff60 mask = 1 #10 0x00007f466dc73325 in wl_event_loop_dispatch (loop=0x733c60, timeout=-1) at event-loop.c:421 ep = {{events = 1, data = {ptr = 0x7eff60, fd = 8322912, u32 = 8322912, u64 = 8322912}}, {events = 32582, data = { ptr = 0x8d8930, fd = 9275696, u32 = 9275696, u64 = 9275696}}, { events = 2524950792, data = {ptr = 0x967fb11000007fff, fd = 32767, u32 = 32767, u64 = 10844581110009069567}}, {events = 32767, data = {ptr = 0x8c1688, fd = 9180808, u32 = 9180808, u64 = 9180808}}, {events = 4, data = {ptr = 0x100000000, fd = 0, u32 = 0, u64 = 4294967296}}, {events = 1, data = { ptr = 0x7fff967fb200, fd = -1770016256, u32 = 2524951040, u64 = 140735718339072}}, {events = 1841773665, data = { ptr = 0x967fb12000007f46, fd = 32582, u32 = 32582, u64 = 10844581178728546118}}, {events = 32767, data = { ptr = 0x8be670, fd = 9168496, u32 = 9168496, u64 = 9168496}}, { events = 3051676113, data = {ptr = 0x1400000000, fd = 0, u32 = 0, u64 = 85899345920}}, {events = 1, data = {ptr = 0x14, fd = 20, u32 = 20, u64 = 20}}, {events = 1, data = {ptr = 0x2c00000001, fd = 1, u32 = 1, u64 = 188978561025}}, {events = 32582, data = { ptr = 0x7f466e08b510, fd = 1846064400, u32 = 1846064400, u64 = 139940470502672}}, {events = 4294967295, data = { ptr = 0x967fb18000000000, fd = 0, u32 = 0, u64 = 10844581591045373952}}, {events = 32767, data = { ptr = 0x7f466dc6add8, fd = 1841737176, u32 = 1841737176, u64 = 139940466175448}}, {events = 1846064400, data = { ptr = 0x1d00007f46, fd = 32582, u32 = 32582, u64 = 124554084166}}, {events = 0, data = {ptr = 0x7f466e08b510, fd = 1846064400, u32 = 1846064400, u64 = 139940470502672}}, { events = 7, data = {ptr = 0x6de7b20800000000, fd = 0, u32 = 0, u64 = 7919494217183789056}}, {events = 32582, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 2524951808, data = { ptr = 0x7fff, fd = 32767, u32 = 32767, u64 = 32767}}, { events = 0, data = {ptr = 0x7f466de7b318, fd = 1843901208, u32 = 1843901208, u64 = 139940468339480}}, {events = 0, data = { ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 32767, data = { ptr = 0x7fff967fb1d0, fd = -1770016304, u32 = 2524950992, u64 = 140735718339024}}, {events = 1, data = { ptr = 0x967fb11000000000, fd = 0, u32 = 0, u64 = 10844581110009036800}}, {events = 32767, data = { ptr = 0x14, fd = 20, u32 = 20, u64 = 20}}, {events = 0, data = { ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = { ptr = 0x8bffe4, fd = 9175012, u32 = 9175012, u64 = 9175012}}, { events = 100, data = {ptr = 0x8fd6a800000000, fd = 0, u32 = 0, u64 = 40486938712473600}}, {events = 0, data = {ptr = 0x8, fd = 8, u32 = 8, u64 = 8}}, {events = 4226752, data = { ptr = 0x96c00000000, fd = 0, u32 = 0, u64 = 10359461117952}}, { events = 0, data = {ptr = 0x7fff967fb240, fd = -1770016192, u32 = 2524951104, u64 = 140735718339136}}, {events = 1841763539, data = {ptr = 0x733c1800007f46, fd = 32582, u32 = 32582, u64 = 32435696098639686}}, {events = 0, data = {ptr = 0x733bd0, fd = 7551952, u32 = 7551952, u64 = 7551952}}} source = 0x7eff60 i = 0 count = 1 n = 0 #11 0x00007f466dc71479 in wl_display_run (display=0x733bd0) at wayland-server.c:869 No locals. #12 0x000000000040fe54 in main (argc=1, argv=0x7fff967fb508) at compositor.c:3542 ret = 0 display = 0x733bd0 ec = 0x737f20 signals = {0x733cf0, 0x734650, 0x7346a0, 0x7346f0} loop = 0x733c60 backend_init = 0x7f466d3e8feb i = 1 backend = 0x425aeb "drm-backend.so" shell = 0x73a4d0 "desktop-shell.so" modules = 0x735760 "" option_modules = 0x0 log = 0x7338b0 "foo" idle_time = 300 help = 0 socket_name = 0x42598b "wayland-0" version = 0 config = 0x734740 section = 0x733d40 core_options = {{type = WESTON_OPTION_STRING, name = 0x425995 "backend", short_name = 66, data = 0x7fff967fb3b8}, {type = WESTON_OPTION_STRING, name = 0x42599d "shell", short_name = 0, data = 0x7fff967fb3b0}, { type = WESTON_OPTION_STRING, name = 0x4259a3 "socket", short_name = 83, data = 0x7fff967fb388}, { type = WESTON_OPTION_INTEGER, name = 0x4259aa "idle-time", short_name = 105, data = 0x7fff967fb394}, { type = WESTON_OPTION_STRING, name = 0x4259b4 "modules", short_name = 0, data = 0x7fff967fb3a0}, { type = WESTON_OPTION_STRING, name = 0x4259bc "log", short_name = 0, data = 0x7fff967fb398}, { type = WESTON_OPTION_BOOLEAN, name = 0x4259c0 "help", short_name = 104, data = 0x7fff967fb390}, { type = WESTON_OPTION_BOOLEAN, name = 0x4259c5 "version", short_name = 0, data = 0x7fff967fb384}} (gdb)