GNU gdb (Ubuntu/Linaro 7.4-2012.02-0ubuntu2) 7.4-2012.02 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-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /usr/bin/Xorg...(no debugging symbols found)...done. (gdb) sattach 1089 Attaching to program: /usr/bin/Xorg, process 1089 Reading symbols from /lib/x86_64-linux-gnu/libudev.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libudev.so.0 Reading symbols from /lib/x86_64-linux-gnu/libgcrypt.so.11...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libgcrypt.so.11 Reading symbols from /lib/x86_64-linux-gnu/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libdl.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libpciaccess.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpciaccess.so.0 Reading symbols from /lib/x86_64-linux-gnu/libpthread.so.0...(no debugging symbols found)...done. [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Loaded symbols for /lib/x86_64-linux-gnu/libpthread.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpixman-1.so.0 Reading symbols from /usr/lib/libXfont.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXfont.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libXau.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXau.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libXdmcp.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 Reading symbols from /lib/x86_64-linux-gnu/libm.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libm.so.6 Reading symbols from /lib/x86_64-linux-gnu/librt.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/librt.so.1 Reading symbols from /lib/x86_64-linux-gnu/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libc.so.6 Reading symbols from /lib/x86_64-linux-gnu/libgpg-error.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libgpg-error.so.0 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 /lib/x86_64-linux-gnu/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libz.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libfreetype.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libfreetype.so.6 Reading symbols from /lib/x86_64-linux-gnu/libbz2.so.1.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libbz2.so.1.0 Reading symbols from /usr/lib/libfontenc.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libfontenc.so.1 Reading symbols from /lib/x86_64-linux-gnu/libgcc_s.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libgcc_s.so.1 Reading symbols from /usr/lib/xorg/modules/extensions/libextmod.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions/libextmod.so Reading symbols from /usr/lib/xorg/modules/extensions/libdbe.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions/libdbe.so Reading symbols from /usr/lib/x86_64-linux-gnu/xorg/extra-modules/libglx.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/xorg/extra-modules/libglx.so Reading symbols from /usr/lib/nvidia-current/tls/libnvidia-tls.so.295.33...(no debugging symbols found)...done. Loaded symbols for /usr/lib/nvidia-current/tls/libnvidia-tls.so.295.33 Reading symbols from /usr/lib/nvidia-current/libnvidia-glcore.so.295.33...(no debugging symbols found)...done. Loaded symbols for /usr/lib/nvidia-current/libnvidia-glcore.so.295.33 Reading symbols from /usr/lib/xorg/modules/extensions/librecord.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions/librecord.so Reading symbols from /usr/lib/xorg/modules/extensions/libdri.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions/libdri.so Reading symbols from /usr/lib/x86_64-linux-gnu/libdrm.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libdrm.so.2 Reading symbols from /usr/lib/xorg/modules/extensions/libdri2.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions/libdri2.so Reading symbols from /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so Reading symbols from /usr/lib/xorg/modules/drivers/nouveau_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/drivers/nouveau_drv.so Reading symbols from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.1 Reading symbols from /usr/lib/xorg/modules/drivers/vesa_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/drivers/vesa_drv.so Reading symbols from /usr/lib/xorg/modules/drivers/fbdev_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/drivers/fbdev_drv.so Reading symbols from /usr/lib/xorg/modules/libfb.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/libfb.so Reading symbols from /usr/lib/xorg/modules/libwfb.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/libwfb.so Reading symbols from /usr/lib/xorg/modules/libfbdevhw.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/libfbdevhw.so Reading symbols from /usr/lib/xorg/modules/input/evdev_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/input/evdev_drv.so Reading symbols from /usr/lib/libmtdev.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libmtdev.so.1 Reading symbols from /lib/x86_64-linux-gnu/libnss_compat.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnss_compat.so.2 Reading symbols from /lib/x86_64-linux-gnu/libnsl.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnsl.so.1 Reading symbols from /lib/x86_64-linux-gnu/libnss_nis.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnss_nis.so.2 Reading symbols from /lib/x86_64-linux-gnu/libnss_files.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnss_files.so.2 0x00007f3c64d3d803 in select () from /lib/x86_64-linux-gnu/libc.so.6 (gdb) cont Continuing. Program received signal SIGSEGV, Segmentation fault. 0x00007f3c5fb2c194 in ?? () from /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (gdb) backtrace full #0 0x00007f3c5fb2c194 in ?? () from /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so No symbol table info available. #1 0x00007f3c5ff10159 in ?? () from /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so No symbol table info available. #2 0x00007f3c66bce49f in ?? () No symbol table info available. #3 0x00007f3c66bc7ff7 in ?? () No symbol table info available. #4 0x00007f3c66b06761 in ?? () No symbol table info available. #5 0x00007f3c66af568a in ?? () No symbol table info available. #6 0x00007f3c64c7376d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f3c66af597d in _start () No symbol table info available. (gdb) cont Continuing. Program received signal SIGSEGV, Segmentation fault. 0x00007f3c5fee103a in ?? () from /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (gdb) cont Continuing. Program terminated with signal SIGSEGV, Segmentation fault. The program no longer exists. (gdb) cont The program is not being run. (gdb) quit