[Qgis-user] Error running QGis on Ubuntu 14.04

[Luís de Sousa]

I have installed QGis on Ubuntu 14.04 from the QGis stable repository [1];
it went fine with no errors reported. But when I launch QGis I get a huge
window with the following message:

    Couldn't load PyQGIS.
    Python support will be disabled.

    Traceback (most recent call last):
    File "", line 1, in
    File "/usr/lib/python2.7/dist-packages/qgis/init.py", line 35, in
    from qgis.core import QgsFeature, QgsGeometry
    ImportError: /usr/lib/python2.7/dist-packages/qgis/core.so: undefined
symbol: _ZN16QgsComposerShape12setSceneRectERK6QRectF

    Python version:
    2.7.6 (default, Mar 22 2014, 23:03:41) [GCC 4.8.2]

    QGIS version:
    2.2.0-Valmiera 'Valmiera', exported

    Python path:
    ['/usr/share/qgis/python', u'/home/desousa/.qgis2/python',
u'/home/desousa/.qgis2/python/plugins', '/usr/share/qgis/python/plugins',
'/usr/local/lib/python2.7/dist-packages/MapScript-6.0.1-py2.7-linux-x86_64.egg',
'/usr/local/lib/python2.7/dist-packages/virtualenv-1.8.4-py2.7.egg',
'/usr/local/lib/python2.7/dist-packages/pip-1.2.1-py2.7.egg',
'/usr/local/lib/python2.7/dist-packages/pytz-2012j-py2.7.egg',
'/usr/local/lib/python2.7/dist-packages/python_dateutil-2.1-py2.7.egg',
'/usr/local/lib/python2.7/dist-packages/six-1.3.0-py2.7.egg',
'/usr/lib/grass64/etc/python/grass/script', '/usr/lib/grass64/etc',
'/usr/lib/grass64/etc/python', '/usr/lib/grass64/lib',
'/usr/lib/grass64/bin', '/usr/lib/grass64/scripts', '/usr/lib/python2.6',
'/home/desousa/Eclipse/Workspace.Tudor/OWSLib', '/usr/lib/python2.7',
'/usr/lib/python2.7/plat-x86_64-linux-gnu', '/usr/lib/python2.7/lib-tk',
'/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload',
'/usr/local/lib/python2.7/dist-packages',
'/usr/lib/python2.7/dist-packages',
'/usr/lib/python2.7/dist-packages/PILcompat',
'/usr/lib/python2.7/dist-packages/gst-0.10',
'/usr/lib/python2.7/dist-packages/gtk-2.0', '/usr/lib/pymodules/python2.7',
'/usr/lib/python2.7/dist-packages/ubuntu-sso-client',
'/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode']

The packages I have installed:

$ dpkg -l | grep qgis
ii  libqgis2.2.0
2.2.0-1~precise1                                    amd64        QGIS -
shared libraries
ii  python-qgis
2.2.0-3+trusty1                                     amd64        Python
bindings to QGIS
ii  python-qgis-common
2.2.0-3+trusty1                                     all          Python
bindings to QGIS - architecture-independent files
ii  qgis
2.2.0-3+trusty1                                     amd64        Geographic
Information System (GIS)
ii  qgis-common
2.2.0-3+trusty1                                     all          QGIS -
architecture-independent data
ii  qgis-plugin-globe
2.2.0-3+trusty1                                     amd64        OSG globe
plugin for QGIS
ii  qgis-plugin-globe-common
2.2.0-3+trusty1                                     all          OSG GLOBE
plugin for QGIS - architecture-independent data
ii  qgis-plugin-grass
2.2.0-3+trusty1                                     amd64        GRASS
plugin for QGIS
ii  qgis-plugin-grass-common
2.2.0-3+trusty1                                     all          GRASS
plugin for QGIS - architecture-independent data
ii  qgis-providers
2.2.0-3+trusty1                                     amd64        collection
of data providers to QGIS
ii  qgis-providers-common
2.2.0-3+trusty1                                     all          collection
of data providers to QGIS - architecture-independent files

Thank you.

[1] http://qgis.org/en/site/forusers/alldownloads.html#ubuntu
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