GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1 Copyright (C) 2014 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". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/bin/gnome-shell...Reading symbols from /usr/lib/debug//usr/bin/gnome-shell...done. done. (gdb) attach 26472 Attaching to program: /usr/bin/gnome-shell, process 26472 Reading symbols from /usr/lib/gnome-shell/libgnome-shell.so...Reading symbols from /usr/lib/debug//usr/lib/gnome-shell/libgnome-shell.so...done. done. Loaded symbols for /usr/lib/gnome-shell/libgnome-shell.so Reading symbols from /usr/lib/gnome-shell/libgnome-shell-js.so...Reading symbols from /usr/lib/debug//usr/lib/gnome-shell/libgnome-shell-js.so...done. done. Loaded symbols for /usr/lib/gnome-shell/libgnome-shell-js.so Reading symbols from /usr/lib/x86_64-linux-gnu/libatk-bridge-2.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libatk-bridge-2.0.so.0 Reading symbols from /usr/lib/libgjs.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgjs.so.0 Reading symbols from /usr/lib/libgirepository-1.0.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgirepository-1.0.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libtelepathy-glib.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libtelepathy-glib.so.0 Reading symbols from /usr/lib/libmutter.so.0...Reading symbols from /usr/lib/debug//usr/lib/libmutter.so.0.0.0...done. done. Loaded symbols for /usr/lib/libmutter.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libcogl-pango.so.15...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcogl-pango.so.15 Reading symbols from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 Reading symbols from /lib/x86_64-linux-gnu/libglib-2.0.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libglib-2.0.so.0 Reading symbols from /lib/x86_64-linux-gnu/libpthread.so.0...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libpthread-2.19.so...done. done. [New LWP 26479] [New LWP 26477] [New LWP 26476] [New LWP 26475] [New LWP 26474] [New LWP 26473] [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 /lib/x86_64-linux-gnu/libc.so.6...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libc-2.19.so...done. done. Loaded symbols for /lib/x86_64-linux-gnu/libc.so.6 Reading symbols from /usr/lib/gnome-shell/libgnome-shell-menu.so...Reading symbols from /usr/lib/debug//usr/lib/gnome-shell/libgnome-shell-menu.so...done. done. Loaded symbols for /usr/lib/gnome-shell/libgnome-shell-menu.so Reading symbols from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libstartup-notification-1.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libstartup-notification-1.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libcanberra-gtk3.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcanberra-gtk3.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libcanberra.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcanberra.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libpolkit-agent-1.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpolkit-agent-1.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libpolkit-gobject-1.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpolkit-gobject-1.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgcr-base-3.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgcr-base-3.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libnm-util.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libnm-util.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libnm-glib.so.4...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libnm-glib.so.4 Reading symbols from /usr/lib/x86_64-linux-gnu/libdbus-glib-1.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libdbus-glib-1.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libsecret-1.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libsecret-1.so.0 Reading symbols from /lib/x86_64-linux-gnu/libm.so.6...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libm-2.19.so...done. done. Loaded symbols for /lib/x86_64-linux-gnu/libm.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libXi.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXi.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libcogl.so.15...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcogl.so.15 Reading symbols from /usr/lib/x86_64-linux-gnu/libXfixes.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXfixes.so.3 Reading symbols from /usr/lib/x86_64-linux-gnu/libcroco-0.6.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcroco-0.6.so.3 Reading symbols from /usr/lib/x86_64-linux-gnu/libX11.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libX11.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libatk-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libatk-1.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libcairo.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcairo.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libpulse.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpulse.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libmozjs-24.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libmozjs-24.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libatspi.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libatspi.so.0 Reading symbols from /lib/x86_64-linux-gnu/libdbus-1.so.3...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libdbus-1.so.3 Reading symbols from /lib/x86_64-linux-gnu/libreadline.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libreadline.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libffi.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libffi.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libcairo-gobject.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcairo-gobject.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libstdc++.so.6...(no debugging symbols found)...done. Traceback (most recent call last): File "/usr/share/gdb/auto-load/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.19-gdb.py", line 63, in from libstdcxx.v6.printers import register_libstdcxx_printers ImportError: No module named 'libstdcxx' Loaded symbols for /usr/lib/x86_64-linux-gnu/libstdc++.so.6 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/x86_64-linux-gnu/libgmodule-2.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgmodule-2.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libXrender.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXrender.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libXdamage.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXdamage.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libXcomposite.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXcomposite.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libupower-glib.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libupower-glib.so.3 Reading symbols from /usr/lib/libgnome-desktop-3.so.10...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgnome-desktop-3.so.10 Reading symbols from /usr/lib/x86_64-linux-gnu/libXcursor.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXcursor.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libXrandr.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXrandr.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libSM.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libSM.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libICE.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libICE.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libXext.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXext.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libXinerama.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXinerama.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libfontconfig.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libfontconfig.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libjson-glib-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libjson-glib-1.0.so.0 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 /lib/x86_64-linux-gnu/libselinux.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libselinux.so.1 Reading symbols from /lib/x86_64-linux-gnu/libresolv.so.2...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libresolv-2.19.so...done. done. Loaded symbols for /lib/x86_64-linux-gnu/libresolv.so.2 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/libpcre.so.3...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libpcre.so.3 Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/ld-2.19.so...done. done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Reading symbols from /lib/x86_64-linux-gnu/libdl.so.2...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libdl-2.19.so...done. done. Loaded symbols for /lib/x86_64-linux-gnu/libdl.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-util.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb-util.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libX11-xcb.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libX11-xcb.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libvorbisfile.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libvorbisfile.so.3 Reading symbols from /usr/lib/x86_64-linux-gnu/libtdb.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libtdb.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libltdl.so.7...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libltdl.so.7 Reading symbols from /lib/x86_64-linux-gnu/libsystemd-login.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libsystemd-login.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgck-1.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgck-1.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 /usr/lib/x86_64-linux-gnu/libp11-kit.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libp11-kit.so.0 Reading symbols from /lib/x86_64-linux-gnu/libuuid.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libuuid.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libnss3.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libnss3.so Reading symbols from /usr/lib/x86_64-linux-gnu/libsmime3.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libsmime3.so Reading symbols from /usr/lib/x86_64-linux-gnu/libnspr4.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libnspr4.so Reading symbols from /usr/lib/x86_64-linux-gnu/libgudev-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgudev-1.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libwayland-egl.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libwayland-egl.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libwayland-client.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libwayland-client.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgbm.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgbm.so.1 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/x86_64-linux-gnu/libwayland-server.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libwayland-server.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libxml2.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxml2.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libxkbcommon.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxkbcommon.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libwayland-cursor.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libwayland-cursor.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libthai.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libthai.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 /lib/x86_64-linux-gnu/libpng12.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libpng12.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-shm.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb-shm.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-render.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb-render.so.0 Reading symbols from /lib/x86_64-linux-gnu/librt.so.1...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/librt-2.19.so...done. done. Loaded symbols for /lib/x86_64-linux-gnu/librt.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so Reading symbols from /lib/x86_64-linux-gnu/libjson-c.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libjson-c.so.2 Reading symbols from /lib/x86_64-linux-gnu/libtinfo.so.5...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libtinfo.so.5 Reading symbols from /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0 Reading symbols from /lib/x86_64-linux-gnu/libexpat.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libexpat.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 /usr/lib/x86_64-linux-gnu/libvorbis.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libvorbis.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libogg.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libogg.so.0 Reading symbols from /lib/x86_64-linux-gnu/libcgmanager.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libcgmanager.so.0 Reading symbols from /lib/x86_64-linux-gnu/libnih.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnih.so.1 Reading symbols from /lib/x86_64-linux-gnu/libnih-dbus.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnih-dbus.so.1 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 /usr/lib/x86_64-linux-gnu/libnssutil3.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libnssutil3.so Reading symbols from /usr/lib/x86_64-linux-gnu/libplc4.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libplc4.so Reading symbols from /usr/lib/x86_64-linux-gnu/libplds4.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libplds4.so Reading symbols from /lib/x86_64-linux-gnu/libudev.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libudev.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-dri2.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb-dri2.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-xfixes.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb-xfixes.so.0 Reading symbols from /lib/x86_64-linux-gnu/liblzma.so.5...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/liblzma.so.5 Reading symbols from /usr/lib/x86_64-linux-gnu/libdatrie.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libdatrie.so.1 Reading symbols from /lib/x86_64-linux-gnu/libwrap.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libwrap.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libsndfile.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libsndfile.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libasyncns.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libasyncns.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgraphite2.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgraphite2.so.3 Reading symbols from /lib/x86_64-linux-gnu/libnsl.so.1...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libnsl-2.19.so...done. done. Loaded symbols for /lib/x86_64-linux-gnu/libnsl.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libFLAC.so.8...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libFLAC.so.8 Reading symbols from /usr/lib/x86_64-linux-gnu/libvorbisenc.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libvorbisenc.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/gtk-3.0/modules/liboverlay-scrollbar.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gtk-3.0/modules/liboverlay-scrollbar.so Reading symbols from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so Reading symbols from /usr/lib/x86_64-linux-gnu/gio/modules/libgvfsdbus.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gio/modules/libgvfsdbus.so Reading symbols from /usr/lib/x86_64-linux-gnu/gvfs/libgvfscommon.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gvfs/libgvfscommon.so Reading symbols from /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/theming-engines/libunico.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/theming-engines/libunico.so Reading symbols from /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libglapi.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libglapi.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-glx.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb-glx.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-dri3.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb-dri3.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-present.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb-present.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-sync.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb-sync.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libxshmfence.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxshmfence.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libXxf86vm.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXxf86vm.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/dri/radeon_dri.so...done. done. Loaded symbols for /usr/lib/x86_64-linux-gnu/dri/i965_dri.so Reading symbols from /usr/lib/x86_64-linux-gnu/libdrm_intel.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libdrm_intel.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libdrm_radeon.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libdrm_radeon.so.1 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 /usr/lib/x86_64-linux-gnu/libtxc_dxtn.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libtxc_dxtn.so Reading symbols from /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so Reading symbols from /usr/lib/x86_64-linux-gnu/libcanberra-0.30/libcanberra-pulse.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcanberra-0.30/libcanberra-pulse.so Reading symbols from /usr/lib/x86_64-linux-gnu/libibus-1.0.so.5...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libibus-1.0.so.5 Reading symbols from /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-jpeg.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-jpeg.so Reading symbols from /usr/lib/x86_64-linux-gnu/libjpeg.so.8...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libjpeg.so.8 Reading symbols from /usr/lib/x86_64-linux-gnu/nss/libsoftokn3.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/nss/libsoftokn3.so Reading symbols from /usr/lib/x86_64-linux-gnu/libsqlite3.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libsqlite3.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/nss/libfreebl3.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/nss/libfreebl3.so Reading symbols from /usr/lib/libgnome-bluetooth.so.11...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgnome-bluetooth.so.11 Reading symbols from /usr/lib/x86_64-linux-gnu/libaccountsservice.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libaccountsservice.so.0 Reading symbols from /lib/x86_64-linux-gnu/libnss_compat.so.2...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libnss_compat-2.19.so...done. done. Loaded symbols for /lib/x86_64-linux-gnu/libnss_compat.so.2 Reading symbols from /lib/x86_64-linux-gnu/libnss_nis.so.2...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libnss_nis-2.19.so...done. 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...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libnss_files-2.19.so...done. done. Loaded symbols for /lib/x86_64-linux-gnu/libnss_files.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libgdm.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgdm.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/gio/modules/libgioremote-volume-monitor.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gio/modules/libgioremote-volume-monitor.so Reading symbols from /usr/lib/x86_64-linux-gnu/libsoup-2.4.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libsoup-2.4.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/gio/modules/libgiognutls.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gio/modules/libgiognutls.so Reading symbols from /usr/lib/x86_64-linux-gnu/libgnutls.so.26...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgnutls.so.26 Reading symbols from /usr/lib/x86_64-linux-gnu/libtasn1.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libtasn1.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/pkcs11/p11-kit-trust.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/pkcs11/p11-kit-trust.so Reading symbols from /usr/lib/x86_64-linux-gnu/pkcs11/gnome-keyring-pkcs11.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/pkcs11/gnome-keyring-pkcs11.so Reading symbols from /usr/lib/x86_64-linux-gnu/gio/modules/libgiognomeproxy.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gio/modules/libgiognomeproxy.so Reading symbols from /usr/lib/x86_64-linux-gnu/gconv/ISO8859-1.so...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/gconv/ISO8859-1.so...done. done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gconv/ISO8859-1.so Reading symbols from /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so Reading symbols from /usr/lib/x86_64-linux-gnu/librsvg-2.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/librsvg-2.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/gtk-3.0/modules/libcanberra-gtk-module.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gtk-3.0/modules/libcanberra-gtk-module.so Reading symbols from /usr/lib/libnm-gtk.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libnm-gtk.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-xpm.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-xpm.so Reading symbols from /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules/im-ibus.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules/im-ibus.so 0x00007fa0910e012d in poll () at ../sysdeps/unix/syscall-template.S:81 81 ../sysdeps/unix/syscall-template.S: No such file or directory. (gdb) backtrace full #0 0x00007fa0910e012d in poll () at ../sysdeps/unix/syscall-template.S:81 No locals. #1 0x00007fa088891b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 No symbol table info available. #2 0x00007fa0888933ff in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 No symbol table info available. #3 0x00007fa088893512 in xcb_wait_for_reply () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 No symbol table info available. #4 0x00007fa07eb624ce in ?? () from /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1 No symbol table info available. #5 0x00007fa08eb4d8f6 in ?? () from /usr/lib/x86_64-linux-gnu/libcogl.so.15 No symbol table info available. #6 0x00007fa08eb4e016 in ?? () from /usr/lib/x86_64-linux-gnu/libcogl.so.15 No symbol table info available. #7 0x00007fa08eb43341 in cogl_onscreen_swap_region () from /usr/lib/x86_64-linux-gnu/libcogl.so.15 No symbol table info available. #8 0x00007fa0922f3662 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 No symbol table info available. #9 0x00007fa092357887 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 No symbol table info available. #10 0x00007fa09233e028 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 No symbol table info available. #11 0x00007fa09161ee04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #12 0x00007fa09161f048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #13 0x00007fa09161f30a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #14 0x00007fa092d83291 in meta_run () at core/main.c:566 log_domains = {0x0, 0x7fa092dd5e21 "mutter", 0x7fa092dd3ee3 "Gtk", 0x7fa092dd3ee7 "Gdk", 0x7fa092dd3eeb "GLib", 0x7fa092dd3ef0 "Pango", 0x7fa092dd3ef6 "GLib-GObject", 0x7fa092dd3f03 "GThread"} i = #15 0x0000000000401d01 in main (argc=1, argv=0x7ffe537af838) at main.c:437 ctx = error = 0x0 ecode = sender = 0x3ad91a0 (gdb) quit A debugging session is active. Inferior 1 [process 26472] will be detached. Quit anyway? (y or n) Detaching from program: /usr/bin/gnome-shell, process 26472