gdb /usr/bin/Xorg 19712 GNU gdb 6.8 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 "x86_64-pc-linux-gnu"... (no debugging symbols found) Attaching to program: /usr/bin/Xorg, process 19712 Reading symbols from /lib64/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/libdl.so.2 Reading symbols from /usr/lib64/libXfont.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXfont.so.1 Reading symbols from /usr/lib64/libXau.so.6... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libXau.so.6 Reading symbols from /usr/lib64/libfontenc.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libfontenc.so.1 Reading symbols from /usr/lib64/libpixman-1.so.0... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libpixman-1.so.0 Reading symbols from /usr/lib64/libXdmcp.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXdmcp.so.6 Reading symbols from /lib64/libm.so.6... (no debugging symbols found)...done. Loaded symbols for /lib/libm.so.6 Reading symbols from /lib64/librt.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/librt.so.1 Reading symbols from /lib64/libc.so.6... (no debugging symbols found)...done. Loaded symbols for /lib/libc.so.6 Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Reading symbols from /usr/lib64/libfreetype.so.6... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libfreetype.so.6 Reading symbols from /lib64/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libz.so.1 Reading symbols from /lib64/libpthread.so.0... (no debugging symbols found)...done. [Thread debugging using libthread_db enabled] [New Thread 0x7fcf2a5fc6f0 (LWP 19712)] Loaded symbols for /lib/libpthread.so.0 Reading symbols from /usr/lib64/xorg/modules/libpcidata.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/xorg/modules//libpcidata.so Reading symbols from /usr/lib64/xorg/modules/extensions/libglx.so... (no debugging symbols found)...done. Loaded symbols for /usr/lib64/xorg/modules/extensions//libglx.so Reading symbols from /usr/lib64/xorg/modules/extensions/libextmod.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/xorg/modules/extensions//libextmod.so Reading symbols from /usr/lib64/xorg/modules/extensions/libxtrap.so... (no debugging symbols found)...done. Loaded symbols for /usr/lib64/xorg/modules/extensions//libxtrap.so Reading symbols from /usr/lib64/xorg/modules/extensions/librecord.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/xorg/modules/extensions//librecord.so Reading symbols from /usr/lib64/xorg/modules/extensions/libdbe.so... (no debugging symbols found)...done. Loaded symbols for /usr/lib64/xorg/modules/extensions//libdbe.so Reading symbols from /usr/lib64/xorg/modules/extensions/libdri.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/xorg/modules/extensions//libdri.so Reading symbols from /usr/local/lib64/libdrm.so.2...done. Loaded symbols for /usr/local/lib/libdrm.so.2 Reading symbols from /usr/lib64/xorg/modules/fonts/libfreetype.so...done. Loaded symbols for /usr/lib64/xorg/modules/fonts//libfreetype.so Reading symbols from /usr/lib64/xorg/modules/fonts/libtype1.so...done. Loaded symbols for /usr/lib64/xorg/modules/fonts//libtype1.so Reading symbols from /usr/lib64/xorg/modules/drivers/intel_drv.so...done. Loaded symbols for /usr/lib64/xorg/modules/drivers//intel_drv.so Reading symbols from /usr/lib64/xorg/modules/input/mouse_drv.so...done. Loaded symbols for /usr/lib64/xorg/modules/input//mouse_drv.so Reading symbols from /usr/lib64/xorg/modules/input/kbd_drv.so...done. Loaded symbols for /usr/lib64/xorg/modules/input//kbd_drv.so Reading symbols from /usr/lib64/xorg/modules/libint10.so...done. Loaded symbols for /usr/lib64/xorg/modules//libint10.so Reading symbols from /usr/lib64/xorg/modules/libvbe.so...done. Loaded symbols for /usr/lib64/xorg/modules//libvbe.so Reading symbols from /usr/lib64/xorg/modules/libvgahw.so...done. Loaded symbols for /usr/lib64/xorg/modules//libvgahw.so Reading symbols from /usr/lib64/xorg/modules/libfb.so...done. Loaded symbols for /usr/lib64/xorg/modules//libfb.so Reading symbols from /usr/lib64/xorg/modules/libexa.so...done. Loaded symbols for /usr/lib64/xorg/modules//libexa.so Reading symbols from /usr/lib64/dri/i965_dri.so...done. Loaded symbols for /usr/lib64/dri/i965_dri.so Reading symbols from /usr/lib64/libexpat.so.1...done. Loaded symbols for /usr/lib/libexpat.so.1 0x00007fcf2903e8a3 in select () from /lib/libc.so.6 (gdb) cont Continuing. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fcf2a5fc6f0 (LWP 19712)] 0x000000000047cc35 in VidModeGetCurrentModeline () (gdb) bt f #0 0x000000000047cc35 in VidModeGetCurrentModeline () No symbol table info available. #1 0x00007fcf28184473 in ?? () from /usr/lib64/xorg/modules/extensions//libextmod.so No symbol table info available. #2 0x000000000044c58f in Dispatch () No symbol table info available. #3 0x0000000000435fce in main () No symbol table info available. (gdb) finish Run till exit from #0 0x000000000047cc35 in VidModeGetCurrentModeline () Program received signal SIGABRT, Aborted. 0x00007fcf28fb0185 in raise () from /lib/libc.so.6 (gdb)