$ gdb firefox GNU gdb (Gentoo 7.1 p1) 7.1 Copyright (C) 2010 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-pc-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /usr/bin/firefox...(no debugging symbols found)...done. (gdb) run Starting program: /usr/bin/firefox [Thread debugging using libthread_db enabled] [New Thread 0x7fffec151710 (LWP 20246)] [New Thread 0x7fffeab31710 (LWP 20247)] [New Thread 0x7fffea1ff710 (LWP 20248)] [New Thread 0x7fffe99fe710 (LWP 20249)] (firefox:20243): Gtk-WARNING **: gtkwidget.c:9888: widget class `GtkMenuBar' has no property named `window-dragging' [New Thread 0x7fffe7bcd710 (LWP 20250)] [New Thread 0x7fffe6aff710 (LWP 20251)] [New Thread 0x7fffe1881710 (LWP 20254)] [Thread 0x7fffe1881710 (LWP 20254) exited] [New Thread 0x7fffe1881710 (LWP 20255)] [New Thread 0x7fffe26e2710 (LWP 20256)] [New Thread 0x7fffe1080710 (LWP 20257)] [Thread 0x7fffe1080710 (LWP 20257) exited] [New Thread 0x7fffe067b710 (LWP 20258)] [New Thread 0x7fffe1080710 (LWP 20259)] [New Thread 0x7fffdeb1b710 (LWP 20260)] [New Thread 0x7fffde31a710 (LWP 20261)] [New Thread 0x7fffddb19710 (LWP 20262)] [New Thread 0x7fffdcdff710 (LWP 20263)] [New Thread 0x7fffdc5fe710 (LWP 20264)] [Thread 0x7fffdc5fe710 (LWP 20264) exited] [New Thread 0x7fffdbbf7710 (LWP 20265)] [New Thread 0x7fffdc5fe710 (LWP 20266)] [New Thread 0x7fffd88ff710 (LWP 20267)] [New Thread 0x7fffd80fe710 (LWP 20268)] warning: no loadable sections found in added symbol-file /usr/lib64/debug/usr/lib64/nsbrowser/plugins/liblightsparkplugin.so.debug warning: no loadable sections found in added symbol-file /usr/lib64/debug/usr/lib64/lightspark/liblightspark.so.0.4.3.debug warning: no loadable sections found in added symbol-file /usr/lib64/debug/usr/lib64/libGLU.so.1.3.070900.debug [New Thread 0x7fffd28ff710 (LWP 20269)] [New Thread 0x7fffd20fe710 (LWP 20270)] [New Thread 0x7fffd18fd710 (LWP 20271)] [New Thread 0x7fffd10fc710 (LWP 20272)] [New Thread 0x7fffd08fb710 (LWP 20273)] [New Thread 0x7fffd00fa710 (LWP 20274)] X Window 1c02f42 INFO: Newstream for http://s.ytimg.com/yt/swf/watch_as3-vfl180154.swf INFO: Compressed SWF file: Version 10 Length 258084 INFO: FrameRate 12 INFO: Creating VM INFO: Global is 0x7fffce928d40 [New Thread 0x7fffce8ff710 (LWP 20275)] INFO: MetaData: application/x-shockwave-flashAdobe Flex 3 Applicationhttp://www.adobe.com/products/flexunknownunknownENJul 28, 2010 INFO: MaxRecusionDepth: 1000, ScriptTimeoutSeconds: 60 INFO: SWF Info: ProductId: 3 Edition: 6 Version: 3.2.0.3958 CompileTime: 0 INFO: ExportAssetsTag Tag INFO: RenderThread this=0x7fffd73b7c00 INFO: Font File is /usr/share/fonts/ttf-bitstream-vera/VeraSe.ttf [New Thread 0x7fffcdeff710 (LWP 20276)] INFO: Creating input thread radeon: Successfully grabbed chipset info from kernel! radeon: DRM version: 2.5.0 ID: 0x791f GB: 1 Z: 1 radeon: GART size: 509 MB VRAM size: 128 MB debug_get_flags_option: RADEON_DEBUG = 0x0 debug_get_bool_option: RADEON_NO_TCL = FALSE couldn't open libtxc_dxtn.so, software DXTn compression/decompression unavailable debug_get_bool_option: GALLIUM_RBUG = FALSE debug_get_option: GALLIUM_TRACE = (null) debug_get_bool_option: GALLIUM_GALAHAD = FALSE Chosen config 0x7fffcf5f5440 debug_get_bool_option: DRAW_FSE = FALSE debug_get_bool_option: DRAW_NO_FSE = FALSE debug_get_bool_option: GALLIUM_DUMP_VS = FALSE Mesa: Mesa 7.9-devel DEBUG build Jul 29 2010 16:18:59 Mesa warning: couldn't open libtxc_dxtn.so, software DXTn compression/decompression unavailable debug_get_bool_option: MESA_MVP_DP4 = FALSE debug_get_flags_option: ST_DEBUG = 0x0 INFO: Fragment shader compilation INFO: Vertex shader compilation INFO: Faking 4 renderings Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fffcdeff710 (LWP 20276)] 0x00007fffcd3e26a3 in ?? () from /usr/lib64/dri/r300_dri.so (gdb) bt full #0 0x00007fffcd3e26a3 in ?? () from /usr/lib64/dri/r300_dri.so No symbol table info available. #1 0x00007fffcd242999 in ?? () from /usr/lib64/dri/r300_dri.so No symbol table info available. #2 0x00007fffcd34559b in ?? () from /usr/lib64/dri/r300_dri.so No symbol table info available. #3 0x00007fffcd36d644 in ?? () from /usr/lib64/dri/r300_dri.so No symbol table info available. #4 0x00007fffcd3689fc in ?? () from /usr/lib64/dri/r300_dri.so No symbol table info available. #5 0x00007fffcd36a6e2 in ?? () from /usr/lib64/dri/r300_dri.so No symbol table info available. #6 0x00007fffcd2777e6 in ?? () from /usr/lib64/dri/r300_dri.so No symbol table info available. #7 0x00007fffd5fb375e in lightspark::RenderThread::gtkplug_worker (th=0x7fffd73b7c00) at /var/tmp/portage/www-plugins/lightspark-9999/work/lightspark-9999/swf.cpp:1533 curBuf = 0x7fffd73b7d88 chronometer = {start = 345595} fakeRenderCount = a = 256 fb = 0x7fffcdefee30 i = profile = 0x7fffd756b1b0 size = {Xmin = 0, Xmax = 9600, Ymin = 0, Ymax = 7700} window_height = b = 4 glxWin = 29372682 glx_present = attrib = {2, 24, 5, 1, 0, 0, 0, 0, 0, 0} p = window_width = -140857792 d = font = #8 0x00007ffff7bc98e4 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #9 0x00007ffff6f8e27d in clone () from /lib/libc.so.6 No symbol table info available.