Thank you for your report! However, processing it in order to get sufficient information for the developers failed (it does not generate an useful symbolic stack trace). This might be caused by some outdated packages which were installed on your system at the time of the report:
libgcc1 version 1:4.6.1-6ubuntu6 required, but 1:4.6.1-7ubuntu2 is available outdated debug symbol package for libavahi-common3: package version 0.6.30-4ubuntu1 dbgsym version 0.6.30-0ubuntu2 libdecoration0 version 1:0.9.5.0-0ubuntu5 required, but 1:0.9.5.92+bzr2791-0ubuntu1 is available outdated debug symbol package for libtiff4: package version 3.9.5-1ubuntu1 dbgsym version 3.9.4-5ubuntu6 libpam0g version 1.1.3-1ubuntu3 required, but 1.1.3-2ubuntu1 is available compiz-gnome version 1:0.9.5.0-0ubuntu5 required, but 1:0.9.5.92+bzr2791-0ubuntu1 is available python2.7 version 2.7.2-4 required, but 2.7.2-5 is available compizconfig-backend-gconf version 0.9.5.0-0ubuntu1 required, but 0.9.5.92-0ubuntu2 is available compiz-core version 1:0.9.5.0-0ubuntu5 required, but 1:0.9.5.92+bzr2791-0ubuntu1 is available outdated debug symbol package for libnih1: package version 1.0.3-4ubuntu2 dbgsym version 1.0.3-1ubuntu1 outdated debug symbol package for libgssapi-krb5-2: package version 1.9.1+dfsg-1ubuntu1 dbgsym version 1.8.3+dfsg-5ubuntu2.1 libnux-1.0-0 version 1.2.0-0ubuntu2 required, but 1.2.2-0ubuntu2 is available outdated debug symbol package for libsigc++-2.0-0c2a: package version 2.2.9-1 dbgsym version 2.2.4.2-1ubuntu1 libpam-modules version 1.1.3-1ubuntu3 required, but 1.1.3-2ubuntu1 is available libgtk-3-common version 3.1.10-0ubuntu3 required, but 3.1.12-0ubuntu1 is available libgtk2.0-0 version 2.24.5-0ubuntu6 required, but 2.24.5-0ubuntu7 is available outdated debug symbol package for libgpg-error0: package version 1.10-0.3ubuntu1 dbgsym version 1.10-0.2ubuntu1 outdated debug symbol package for dbus: package version 1.4.12-4ubuntu2 dbgsym version 1.4.6-1ubuntu6.1 libpam-modules-bin version 1.1.3-1ubuntu3 required, but 1.1.3-2ubuntu1 is available outdated debug symbol package for busybox-initramfs: package version 1:1.18.4-2ubuntu1 dbgsym version 1:1.17.1-10ubuntu1 outdated debug symbol package for psmisc: package version 22.14-1 dbgsym version 22.13-1 outdated debug symbol package for libslang2: package version 2.2.4-2ubuntu1 dbgsym version 2.2.2-4ubuntu2 libunity-core-4.0-4 version 4.8.0-0ubuntu1 required, but 4.8.2-0ubuntu4 is available libglib2.0-bin version 2.29.14-0ubuntu1 required, but 2.29.16-0ubuntu2 is available libfontconfig1 version 2.8.0-3ubuntu1 required, but 2.8.0-3ubuntu2 is available libssl1.0.0 version 1.0.0d-2ubuntu1 required, but 1.0.0d-2ubuntu2 is available outdated debug symbol package for libk5crypto3: package version 1.9.1+dfsg-1ubuntu1 dbgsym version 1.8.3+dfsg-5ubuntu2.1 libudev0 version 172-0ubuntu5 required, but 173-0ubuntu3 is available udev version 172-0ubuntu5 required, but 173-0ubuntu3 is available outdated debug symbol package for libavahi-client3: package version 0.6.30-4ubuntu1 dbgsym version 0.6.30-0ubuntu2 libwnck-3-0 version 3.0.2-1ubuntu1 required, but 3.1.5-0ubuntu1 is available compiz version 1:0.9.5.0-0ubuntu5 required, but 1:0.9.5.92+bzr2791-0ubuntu1 is available libnotify4 version 0.7.3-1 required, but 0.7.3-2 is available metacity-common version 1:2.34.0-0ubuntu2 required, but 1:2.34.1-1ubuntu1 is available libwnck-3-common version 3.0.2-1ubuntu1 required, but 3.1.5-0ubuntu1 is available outdated debug symbol package for passwd: package version 1:4.1.4.2+svn3283-3ubuntu2 dbgsym version 1:4.1.4.2+svn3283-3ubuntu1 outdated debug symbol package for libkrb5-3: package version 1.9.1+dfsg-1ubuntu1 dbgsym version 1.8.3+dfsg-5ubuntu2.1 unity-common version 4.8.0-0ubuntu1 required, but 4.8.2-0ubuntu4 is available compiz-plugins-default version 1:0.9.5.0-0ubuntu5 required, but 1:0.9.5.92+bzr2791-0ubuntu1 is available outdated debug symbol package for libdatrie1: package version 0.2.4-3 dbgsym version 0.2.4-1 fontconfig-config version 2.8.0-3ubuntu1 required, but 2.8.0-3ubuntu2 is available libcompizconfig0 version 0.9.5.0-0ubuntu2 required, but 0.9.5.92-0ubuntu2 is available libklibc version 1.5.22-1ubuntu1 required, but 1.5.22-1ubuntu2 is available libglib2.0-0 version 2.29.14-0ubuntu1 required, but 2.29.16-0ubuntu2 is available libglib2.0-data version 2.29.14-0ubuntu1 required, but 2.29.16-0ubuntu2 is available outdated debug symbol package for libdbus-1-3: package version 1.4.12-4ubuntu2 dbgsym version 1.4.6-1ubuntu6.1 libcups2 version 1.5.0-1ubuntu3 required, but 1.5.0-5 is available fontconfig version 2.8.0-3ubuntu1 required, but 2.8.0-3ubuntu2 is available libc-bin version 2.13-16ubuntu3 required, but 2.13-17ubuntu2 is available libgtk-3-0 version 3.1.10-0ubuntu3 required, but 3.1.12-0ubuntu1 is available libffi6 version 3.0.10~rc8-6 required, but 3.0.11~rc1-1 is available libnux-1.0-common version 1.2.0-0ubuntu2 required, but 1.2.2-0ubuntu2 is available nux-tools version 1.2.0-0ubuntu2 required, but 1.2.2-0ubuntu2 is available gcc-4.6-base version 4.6.1-6ubuntu6 required, but 4.6.1-7ubuntu2 is available gconf2 version 3.1.4-0ubuntu1 required, but 3.1.6-0ubuntu1 is available python2.7-minimal version 2.7.2-4 required, but 2.7.2-5 is available outdated debug symbol package for dpkg: package version 1.16.0.3ubuntu3 dbgsym version 1.16.0~ubuntu7.1 ttf-dejavu-core version 2.33-1 required, but 2.33-1ubuntu1 is available gnome-desktop3-data version 3.1.4-0ubuntu1 required, but 3.1.5-0ubuntu1 is available unity-services version 4.8.0-0ubuntu1 required, but 4.8.2-0ubuntu4 is available lsb-base version 4.0-0ubuntu13 required, but 4.0-0ubuntu14 is available libgnome-desktop-3-2 version 3.1.4-0ubuntu1 required, but 3.1.5-0ubuntu1 is available outdated debug symbol package for libstartup-notification0: package version 0.12-1 dbgsym version 0.10-1build1 libgtk-3-bin version 3.1.10-0ubuntu3 required, but 3.1.12-0ubuntu1 is available outdated debug symbol package for procps: package version 1:3.2.8-10ubuntu5 dbgsym version 1:3.2.8-10ubuntu3 libatk1.0-0 version 2.1.0-0ubuntu1 required, but 2.1.5-0ubuntu1 is available ifupdown version 0.7~alpha5.1ubuntu2 required, but 0.7~alpha5.1ubuntu3 is available gconf2-common version 3.1.4-0ubuntu1 required, but 3.1.6-0ubuntu1 is available outdated debug symbol package for libwnck22: package version 1:2.30.6-0ubuntu4 dbgsym version 1:2.30.6-0ubuntu3 outdated debug symbol package for libgtop2-7: package version 2.28.3-2 dbgsym version 2.28.3-0ubuntu1 outdated debug symbol package for libkrb5support0: package version 1.9.1+dfsg-1ubuntu1 dbgsym version 1.8.3+dfsg-5ubuntu2.1 libsasl2-2 version 2.1.24~rc1.dfsg1+cvs2011-05-23-4ubuntu1 required, but 2.1.24~rc1.dfsg1+cvs2011-05-23-4ubuntu2 is available libldap-2.4-2 version 2.4.25-1.1ubuntu2 required, but 2.4.25-1.1ubuntu4 is available outdated debug symbol package for libnih-dbus1: package version 1.0.3-4ubuntu2 dbgsym version 1.0.3-1ubuntu1 dconf-gsettings-backend version 0.7.5-3 required, but 0.9.0-0ubuntu1 is available unity version 4.8.0-0ubuntu1 required, but 4.8.2-0ubuntu4 is available libstdc++6 version 4.6.1-6ubuntu6 required, but 4.6.1-7ubuntu2 is available libgtk2.0-common version 2.24.5-0ubuntu6 required, but 2.24.5-0ubuntu7 is available outdated debug symbol package for dbus-x11: package version 1.4.12-4ubuntu2 dbgsym version 1.4.6-1ubuntu6.1 libatk1.0-data version 2.1.0-0ubuntu1 required, but 2.1.5-0ubuntu1 is available outdated debug symbol package for ncurses-bin: package version 5.9-1 dbgsym version 5.7+20101128-1 multiarch-support version 2.13-16ubuntu3 required, but 2.13-17ubuntu2 is available libgconf2-4 version 3.1.4-0ubuntu1 required, but 3.1.6-0ubuntu1 is available libc6 version 2.13-16ubuntu3 required, but 2.13-17ubuntu2 is available klibc-utils version 1.5.22-1ubuntu1 required, but 1.5.22-1ubuntu2 is available outdated debug symbol package for libthai0: package version 0.1.15-2 dbgsym version 0.1.14-2ubuntu1 libmetacity-private0 version 1:2.34.0-0ubuntu2 required, but 1:2.34.1-1ubuntu1 is available outdated debug symbol package for module-init-tools: package version 3.16-1ubuntu1 dbgsym version 3.12-1ubuntu6 outdated debug symbol package for libltdl7: package version 2.4-2ubuntu1 dbgsym version 2.2.6b-2ubuntu3 Please upgrade your system to the latest package versions. If you still encounter the crash, please file a new report. Thank you for your understanding, and sorry for the inconvenience! ** Attachment removed: "CoreDump.gz" https://bugs.launchpad.net/bugs/826629/+attachment/2279352/+files/CoreDump.gz ** Tags removed: need-i386-retrace -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/826629 Title: compiz assert failure: compiz: /usr/include/boost/smart_ptr/shared_ptr.hpp:418: T* boost::shared_ptr<T>::operator->() const [with T = UnityFBO]: Assertion ”px != 0” failed. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/826629/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
