Program received signal SIGSEGV, Segmentation fault. 0x0000003a83c7bafc in _int_free () from /lib64/libc.so.6 Missing separate debuginfos, use: debuginfo-install expat-2.1.0-1.fc17.x86_64 fontconfig-2.8.0-8.fc17.x86_64 freetype-2.4.8-3.fc17.x86_64 glibc-2.15-57.fc17.x86_64 libX11-1.5.0-2.fc17.x86_64 libXau-1.0.6-3.fc17.x86_64 libXdamage-1.1.3-3.fc17.x86_64 libXext-1.3.1-1.fc17.x86_64 libXfixes-5.0-2.fc17.x86_64 libXrender-0.9.7-1.fc17.x86_64 libXxf86vm-1.1.2-1.fc17.x86_64 libffi-3.0.10-2.fc17.x86_64 libgcc-4.7.2-2.fc17.x86_64 libjpeg-turbo-1.2.1-1.fc17.x86_64 libpng-1.5.10-1.fc17.x86_64 libstdc++-4.7.2-2.fc17.x86_64 libudev-182-3.fc17.x86_64 libwebp-0.1.3-1.fc17.x86_64 libxcb-1.8.1-1.fc17.x86_64 zlib-1.2.5-7.fc17.x86_64 (gdb) bt full #0 0x0000003a83c7bafc in _int_free () from /lib64/libc.so.6 No symbol table info available. #1 0x00007ffff6b8669f in dispatch_event (display=0x6149e0, queue=) at wayland-client.c:753 closure = 0xc6e4d0 opcode = ret = 0 proxy = 0xa85400 id = #2 dispatch_queue (display=0x6149e0, queue=0x624b80, block=block@entry=1) at wayland-client.c:802 len = count = 3 ret = #3 0x00007ffff6b8720a in wl_display_dispatch_queue (display=, queue=) at wayland-client.c:838 No locals. #4 0x00007ffff6faba34 in dri2_swap_buffers (drv=0x623510, disp=, draw=0x8e0ae0) at platform_wayland.c:535 dri2_dpy = 0x623800 ret = ctx = #5 0x00007ffff6f9f995 in eglSwapBuffers (dpy=0x619b10, surface=0x8e0ae0) at eglapi.c:698 ctx = 0x62b5d0 surf = 0x0 drv = 0x0 ret = __FUNCTION__ = "eglSwapBuffers" #6 0x00007ffff74ffcba in cairo_gl_surface_swapbuffers ( abstract_surface=0x8e1c90) at cairo-gl-surface.c:708 ctx = 0x8c1570 surface = 0x8e1c90 #7 0x0000000000407c84 in window_attach_surface (window=0x8e05f0) at window.c:854 buffer = data = 0x8e0a80 y = display = 0x6148b0 x = #8 window_flush (window=0x8e05f0) at window.c:890 No locals. #9 0x000000000040b144 in display_run (display=display@entry=0x6148b0) at window.c:4124 task = 0x8e06a0 ep = {{events = 1, data = {ptr = 0x614920, fd = 6375712, u32 = 6375712, u64 = 6375712}}, {events = 0, data = { ptr = 0x8f5a60, fd = 9394784, u32 = 9394784, u64 = 9394784}}, { events = 9394784, data = {ptr = 0x8f619000000000, fd = 0, u32 = 0, u64 = 40358192772808704}}, {events = 0, data = { ptr = 0x7ffff74769f9, fd = -146314759, u32 = 4148652537, u64 = 140737342040569}}, {events = 9286032, data = { ptr = 0x40c9d300000000, fd = 0, u32 = 0, u64 = 18236306584764416}}, {events = 0, data = {ptr = 0x1, fd = 1, u32 = 1, u64 = 1}}, {events = 6362752, data = { ptr = 0x300000000, fd = 0, u32 = 0, u64 = 12884901888}}, { events = 0, data = {ptr = 0x40a76d, fd = 4237165, u32 = 4237165, u64 = 4237165}}, {events = 4294958960, data = { ptr = 0xffffdf5000007fff, fd = 32767, u32 = 32767, u64 = 18446708133423251455}}, {events = 1, data = { ptr = 0x100000004, fd = 4, u32 = 4, u64 = 4294967300}}, { events = 0, data = {ptr = 0x40da2900000000, fd = 0, u32 = 0, u64 = 18254268137996288}}, {events = 0, data = {ptr = 0x2, fd = 2, u32 = 2, u64 = 2}}, {events = 4294958904, data = { ptr = 0x7fff, fd = 32767, u32 = 32767, u64 = 32767}}, { events = 0, data = {ptr = 0x40da80, fd = 4250240, u32 = 4250240, u64 = 4250240}}, {events = 4294958912, data = { ptr = 0x100007fff, fd = 32767, u32 = 32767, u64 = 4295000063}}, { events = 58, data = {ptr = 0x7fffffffe0d8, fd = -7976, u32 = 4294959320, u64 = 140737488347352}}} i = count = ret = #10 0x0000000000404f79 in main (argc=, argv=0x7fffffffe0c8) at image.c:397 d = 0x6148b0 i = image_counter = 1 (gdb) q A debugging session is active. Inferior 1 [process 10798] will be killed.