GNU gdb 6.8-debian Copyright (C) 2008 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 "i486-linux-gnu"... (gdb) handle SIG33 pass nostop noprint Signal Stop Print Pass to program Description SIG33 No No Yes Real-time event 33 (gdb) set pagination 0 (gdb) run Starting program: /usr/bin/glxinfo Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Error: couldn't find RGB GLX visual or fbconfig Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Program received signal SIGSEGV, Segmentation fault. 0x0804ad56 in main (argc=0, argv=0xbff965c4) at glxinfo.c:978 978 glxinfo.c: No such file or directory. in glxinfo.c (gdb) backtrace full #0 0x0804ad56 in main (argc=0, argv=0xbff965c4) at glxinfo.c:978 displayName = 0x0 dpy = (Display *) 0x88633b8 numScreens = 1 scrnum = 0 mode = Normal findBest = 0 '\0' limits = 0 '\0' allowDirect = 1 i = 0 (gdb) info registers eax 0x0 0 ecx 0x0 0 edx 0xbff963f0 -1074174992 ebx 0x804dff4 134537204 esp 0xbff962b0 0xbff962b0 ebp 0xbff96528 0xbff96528 esi 0xbff96470 -1074174864 edi 0x0 0 eip 0x804ad56 0x804ad56 eflags 0x210246 [ PF ZF IF RF ID ] cs 0x73 115 ss 0x7b 123 ds 0x7b 123 es 0x7b 123 fs 0x0 0 gs 0x33 51 (gdb) thread apply all backtrace (gdb) quit The program is running. Exit anyway? (y or n)