GNU gdb (GDB) Fedora (7.4.50.20120120-49.fc17) Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: . Attaching to process 23566 Reading symbols from /home/uartie/Work/intel/wayland/install/bin/weston...done. Reading symbols from /home/uartie/Work/intel/wayland/install/lib/libEGL.so.1...done. Loaded symbols for /home/uartie/Work/intel/wayland/install/lib/libEGL.so.1 Reading symbols from /home/uartie/Work/intel/wayland/install/lib/libX11-xcb.so.1...done. Loaded symbols for /home/uartie/Work/intel/wayland/install/lib/libX11-xcb.so.1 Reading symbols from /lib64/libxcb-dri2.so.0...(no debugging symbols found)...done. 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Loaded symbols for /home/uartie/Work/intel/wayland/install/lib/libcairo.so.2 Reading symbols from /lib64/libpthread.so.0...(no debugging symbols found)...done. [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". [New Thread 0x7f9a12b60700 (LWP 23567)] Loaded symbols for /lib64/libpthread.so.0 Reading symbols from /lib64/libfontconfig.so.1...(no debugging symbols found)...done. Loaded symbols for /lib64/libfontconfig.so.1 Reading symbols from /lib64/libfreetype.so.6...(no debugging symbols found)...done. Loaded symbols for /lib64/libfreetype.so.6 Reading symbols from /lib64/libxcb-shm.so.0...(no debugging symbols found)...done. Loaded symbols for /lib64/libxcb-shm.so.0 Reading symbols from /lib64/libxcb-render.so.0...(no debugging symbols found)...done. Loaded symbols for /lib64/libxcb-render.so.0 Reading symbols from /lib64/libXrender.so.1...(no debugging symbols found)...done. 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Loaded symbols for /lib64/libXau.so.6 Reading symbols from /home/uartie/Work/intel/wayland/install/lib/weston/drm-backend.so...done. Loaded symbols for /home/uartie/Work/intel/wayland/install/lib/weston/drm-backend.so Reading symbols from /lib64/libmtdev.so.1...(no debugging symbols found)...done. Loaded symbols for /lib64/libmtdev.so.1 Reading symbols from /lib64/libgcc_s.so.1...Reading symbols from /usr/lib/debug/lib64/libgcc_s-4.7.0-20120507.so.1.debug...done. done. Loaded symbols for /lib64/libgcc_s.so.1 Reading symbols from /home/uartie/Work/intel/wayland/install/lib/dri/i965_dri.so...done. Loaded symbols for /home/uartie/Work/intel/wayland/install/lib/dri/i965_dri.so Reading symbols from /home/uartie/Work/intel/wayland/install/lib/libdricore9.1.0.so.1...done. Loaded symbols for /home/uartie/Work/intel/wayland/install/lib/libdricore9.1.0.so.1 Reading symbols from /home/uartie/Work/intel/wayland/install/lib/libdrm_intel.so.1...done. Loaded symbols for /home/uartie/Work/intel/wayland/install/lib/libdrm_intel.so.1 Reading symbols from /lib64/libpciaccess.so.0...(no debugging symbols found)...done. Loaded symbols for /lib64/libpciaccess.so.0 Reading symbols from /lib64/libstdc++.so.6...Reading symbols from /usr/lib/debug/usr/lib64/libstdc++.so.6.0.17.debug...done. done. Loaded symbols for /lib64/libstdc++.so.6 Reading symbols from /home/uartie/Work/intel/wayland/install/lib/weston/desktop-shell.so...done. Loaded symbols for /home/uartie/Work/intel/wayland/install/lib/weston/desktop-shell.so 0x0000003d7d6f1f63 in epoll_wait () from /lib64/libc.so.6 Missing separate debuginfos, use: debuginfo-install expat-2.1.0-1.fc17.x86_64 fontconfig-2.8.0-7.fc17.x86_64 freetype-2.4.8-3.fc17.x86_64 glibc-2.15-51.fc17.x86_64 libXau-1.0.6-3.fc17.x86_64 libXext-1.3.1-1.fc17.x86_64 libXrender-0.9.7-1.fc17.x86_64 libffi-3.0.10-2.fc17.x86_64 libjpeg-turbo-1.2.1-1.fc17.x86_64 libpciaccess-0.13.1-1.fc17.x86_64 libpng-1.5.10-1.fc17.x86_64 libudev-182-3.fc17.x86_64 libxcb-1.9-1.fc17.x86_64 mtdev-1.1.0-3.20110105.fc17.x86_64 zlib-1.2.5-6.fc17.x86_64 (gdb) r The program being debugged has been started already. Start it from the beginning? (y or n) n Program not restarted. (gdb) c Continuing. starting recorder, file capture.wcap stopping recorder, total file size 1M, 0 frames starting recorder, file capture.wcap Program received signal SIGSEGV, Segmentation fault. 0x0000003d7d67c2dc in _int_free () from /lib64/libc.so.6 (gdb) bt #0 0x0000003d7d67c2dc in _int_free () from /lib64/libc.so.6 #1 0x00007f9a113945b8 in drm_intel_gem_bo_unreference_final (bo=0x1eafef0, time=102509) at intel_bufmgr_gem.c:1068 #2 0x00007f9a11394871 in drm_intel_gem_bo_unreference (bo=0x1eafef0) at intel_bufmgr_gem.c:1125 #3 0x00007f9a1138eec2 in drm_intel_bo_unreference (bo=0x1eafef0) at intel_bufmgr.c:82 #4 0x00007f9a11c61ac1 in intel_batchbuffer_reset (intel=0x1ed0250) at intel_batchbuffer.c:77 #5 0x00007f9a11c6219b in _intel_batchbuffer_flush (intel=0x1ed0250, file=0x7f9a11d0d192 "intel_screen.c", line=181) at intel_batchbuffer.c:260 #6 0x00007f9a11c6eb2f in intelDRI2Flush (drawable=0x1ebbcf0) at intel_screen.c:181 #7 0x00007f9a150f3321 in dri2_swap_buffers (drv=0x1ebb300, disp=0x1eba650, draw=0x1ec7930) at platform_drm.c:335 #8 0x00007f9a150dea11 in eglSwapBuffers (dpy=0x1eba650, surface=0x1ec7930) at eglapi.c:698 #9 0x000000000041a6a3 in gles2_renderer_repaint_output (output=0x1ec5e60, output_damage=0x7fff29ea3470) at gles2-renderer.c:752 #10 0x00007f9a12145818 in drm_output_render (output=0x1ec5e60, damage=0x7fff29ea3470) at compositor-drm.c:331 #11 0x00007f9a1214593d in drm_output_repaint (output_base=0x1ec5e60, damage=0x7fff29ea3470) at compositor-drm.c:359 #12 0x000000000040a1c5 in weston_output_repaint (output=0x1ec5e60, msecs=3271011677) at compositor.c:993 #13 0x000000000040a3ea in weston_output_finish_frame (output=0x1ec5e60, msecs=3271011677) at compositor.c:1033 #14 0x00007f9a12145eb5 in vblank_handler (fd=12, frame=250454, sec=1351890742, usec=621569, data=0x1ebce50) at compositor-drm.c:466 #15 0x00007f9a14063096 in drmHandleEvent (fd=12, evctx=0x7fff29ea39f0) at xf86drmMode.c:800 #16 0x00007f9a12147e9a in on_drm_input (fd=12, mask=1, data=0x1eadcc0) at compositor-drm.c:1054 #17 0x00007f9a14686c25 in wl_event_source_fd_dispatch (source=0x21bf240, ep=0x7fff29ea3a60) at event-loop.c:84 #18 0x00007f9a14687879 in wl_event_loop_dispatch (loop=0x1eabb00, timeout=-1) at event-loop.c:415 #19 0x00007f9a14683cc0 in wl_display_run (display=0x1eabaa0) at wayland-server.c:1207 #20 0x0000000000410afa in main (argc=1, argv=0x7fff29ea3f48) at compositor.c:3195