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 2125 Attaching to program: /usr/bin/gnome-shell, process 2125 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 2133] [New LWP 2131] [New LWP 2130] [New LWP 2129] [New LWP 2128] [New LWP 2127] [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. 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/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/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/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 0x00007f1b2a6f8337 in ioctl () at ../sysdeps/unix/syscall-template.S:81 81 ../sysdeps/unix/syscall-template.S: No such file or directory. (gdb) backtrace full #0 0x00007f1b2a6f8337 in ioctl () at ../sysdeps/unix/syscall-template.S:81 No locals. #1 0x00007f1b1fba2804 in drmIoctl () from /usr/lib/x86_64-linux-gnu/libdrm.so.2 No symbol table info available. #2 0x00007f1b128389ef in drm_intel_gem_bo_start_gtt_access () from /usr/lib/x86_64-linux-gnu/libdrm_intel.so.1 No symbol table info available. #3 0x00007f1b12d24e8d in intel_prepare_render (brw=brw@entry=0x101f828) at ../../../../../../../src/mesa/drivers/dri/i965/brw_context.c:1131 driContext = 0xf1daa0 drawable = 0x2610b90 #4 0x00007f1b12d198f5 in brw_clear (ctx=0x101f828, mask=16) at ../../../../../../../src/mesa/drivers/dri/i965/brw_clear.c:230 fb = 0x26c8a00 partial_clear = true tri_mask = #5 0x00007f1b281552c2 in cogl_framebuffer_clear4f () from /usr/lib/x86_64-linux-gnu/libcogl.so.15 No symbol table info available. #6 0x00007f1b2b957794 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 No symbol table info available. #7 0x00007f1b2b959de4 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 No symbol table info available. #8 0x00007f1b2b959e00 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 No symbol table info available. #9 0x00007f1b2b91070d in clutter_actor_continue_paint () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 No symbol table info available. #10 0x00007f1b2b9168cf in clutter_actor_paint () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 No symbol table info available. #11 0x00007f1b2b96cf24 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 No symbol table info available. #12 0x00007f1b2b907506 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 No symbol table info available. #13 0x00007f1b2b96b887 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 No symbol table info available. #14 0x00007f1b2b952028 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 No symbol table info available. #15 0x00007f1b2ac32e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #16 0x00007f1b2ac33048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #17 0x00007f1b2ac3330a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #18 0x00007f1b2c397291 in meta_run () at core/main.c:566 log_domains = {0x0, 0x7f1b2c3e9e21 "mutter", 0x7f1b2c3e7ee3 "Gtk", 0x7f1b2c3e7ee7 "Gdk", 0x7f1b2c3e7eeb "GLib", 0x7f1b2c3e7ef0 "Pango", 0x7f1b2c3e7ef6 "GLib-GObject", 0x7f1b2c3e7f03 "GThread"} i = #19 0x0000000000401d01 in main (argc=1, argv=0x7ffdbc0b7eb8) at main.c:437 ctx = error = 0x0 ecode = sender = 0x7f1b0c00be40 (gdb) quuit A debugging session is active. Inferior 1 [process 2125] will be detached. Quit anyway? (y or n) Detaching from program: /usr/bin/gnome-shell, process 2125