bop@hal:~$ (which evince) /usr/bin/evince bop@hal:~$ $(which evince) (evince:20065): EvinceDocument-WARNING **: /usr/lib/evince/1/backends/libpdfdocument.so: undefined symbol: poppler_page_get_thumbnail_pixbuf (evince:20065): EvinceDocument-WARNING **: Cannot load backend 'pdfdocument' since file '/usr/lib/evince/1/backends/libpdfdocument.so' cannot be read. (evince:20065): EvinceDocument-WARNING **: /usr/lib/evince/1/backends/libpdfdocument.so: undefined symbol: poppler_page_get_thumbnail_pixbuf (evince:20065): EvinceDocument-WARNING **: Cannot load backend 'pdfdocument' since file '/usr/lib/evince/1/backends/libpdfdocument.so' cannot be read. (evince:20065): GLib-GObject-CRITICAL **: g_object_ref: assertion `object->ref_count > 0' failed (evince:20065): GLib-GObject-CRITICAL **: g_object_ref: assertion `object->ref_count > 0' failed (evince:20065): GLib-GObject-CRITICAL **: g_object_ref: assertion `object->ref_count > 0' failed (evince:20065): GLib-GObject-CRITICAL **: g_object_ref: assertion `object->ref_count > 0' failed bop@hal:~$ ldd $(which evince) linux-gate.so.1 => (0xb7fc6000) libSM.so.6 => /usr/lib/libSM.so.6 (0xb7fa4000) libevdocument.so.1 => /usr/lib/libevdocument.so.1 (0xb7f8c000) libevview.so.1 => /usr/lib/libevview.so.1 (0xb7f66000) libxml2.so.2 => /usr/lib/libxml2.so.2 (0xb7e2a000) liblaunchpad-integration.so.1 => /usr/lib/liblaunchpad-integration.so.1 (0xb7e25000) libgtk-x11-2.0.so.0 => /usr/lib/libgtk-x11-2.0.so.0 (0xb7a74000) libatk-1.0.so.0 => /usr/lib/libatk-1.0.so.0 (0xb7a59000) libpangoft2-1.0.so.0 => /usr/lib/libpangoft2-1.0.so.0 (0xb7a2f000) libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0xb79b8000) libfontconfig.so.1 => /usr/lib/libfontconfig.so.1 (0xb798b000) libgthread-2.0.so.0 => /usr/lib/libgthread-2.0.so.0 (0xb7985000) librt.so.1 => /lib/tls/i686/cmov/librt.so.1 (0xb797c000) libdbus-glib-1.so.2 => /usr/lib/libdbus-glib-1.so.2 (0xb795d000) libdbus-1.so.3 => /lib/libdbus-1.so.3 (0xb7925000) libgnome-keyring.so.0 => /usr/lib/libgnome-keyring.so.0 (0xb7912000) libgconf-2.so.4 => /usr/lib/libgconf-2.so.4 (0xb78e0000) libz.so.1 => /lib/libz.so.1 (0xb78ca000) libpoppler-glib.so.4 => /usr/local/lib/libpoppler-glib.so.4 (0xb78b0000) libgdk-x11-2.0.so.0 => /usr/lib/libgdk-x11-2.0.so.0 (0xb7823000) libgdk_pixbuf-2.0.so.0 => /usr/lib/libgdk_pixbuf-2.0.so.0 (0xb7809000) libm.so.6 => /lib/tls/i686/cmov/libm.so.6 (0xb77e3000) libpangocairo-1.0.so.0 => /usr/lib/libpangocairo-1.0.so.0 (0xb77d7000) libgio-2.0.so.0 => /usr/lib/libgio-2.0.so.0 (0xb7769000) libpango-1.0.so.0 => /usr/lib/libpango-1.0.so.0 (0xb7725000) libcairo.so.2 => /usr/lib/libcairo.so.2 (0xb76ab000) libgobject-2.0.so.0 => /usr/lib/libgobject-2.0.so.0 (0xb766d000) libgmodule-2.0.so.0 => /usr/lib/libgmodule-2.0.so.0 (0xb7668000) libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0 (0xb75b0000) libpthread.so.0 => /lib/tls/i686/cmov/libpthread.so.0 (0xb7596000) libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb7433000) libICE.so.6 => /usr/lib/libICE.so.6 (0xb741b000) libX11.so.6 => /usr/lib/libX11.so.6 (0xb732c000) libuuid.so.1 => /lib/libuuid.so.1 (0xb7327000) libdl.so.2 => /lib/tls/i686/cmov/libdl.so.2 (0xb7322000) libXext.so.6 => /usr/lib/libXext.so.6 (0xb7312000) libXrender.so.1 => /usr/lib/libXrender.so.1 (0xb7308000) libXinerama.so.1 => /usr/lib/libXinerama.so.1 (0xb7305000) libXi.so.6 => /usr/lib/libXi.so.6 (0xb72fb000) libXrandr.so.2 => /usr/lib/libXrandr.so.2 (0xb72f2000) libXcursor.so.1 => /usr/lib/libXcursor.so.1 (0xb72e9000) libXcomposite.so.1 => /usr/lib/libXcomposite.so.1 (0xb72e5000) libXdamage.so.1 => /usr/lib/libXdamage.so.1 (0xb72e2000) libXfixes.so.3 => /usr/lib/libXfixes.so.3 (0xb72dd000) libexpat.so.1 => /usr/lib/libexpat.so.1 (0xb72b5000) libpcre.so.3 => /lib/libpcre.so.3 (0xb7283000) /lib/ld-linux.so.2 (0xb7fc7000) libORBit-2.so.0 => /usr/lib/libORBit-2.so.0 (0xb7230000) libpoppler.so.4 => /usr/local/lib/libpoppler.so.4 (0xb707d000) libjpeg.so.62 => /usr/lib/libjpeg.so.62 (0xb705d000) libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb6f6d000) libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb6f5e000) libselinux.so.1 => /lib/libselinux.so.1 (0xb6f44000) libpixman-1.so.0 => /usr/lib/libpixman-1.so.0 (0xb6f01000) libdirectfb-1.0.so.0 => /usr/lib/libdirectfb-1.0.so.0 (0xb6e9b000) libfusion-1.0.so.0 => /usr/lib/libfusion-1.0.so.0 (0xb6e91000) libdirect-1.0.so.0 => /usr/lib/libdirect-1.0.so.0 (0xb6e7c000) libpng12.so.0 => /usr/lib/libpng12.so.0 (0xb6e56000) libxcb-render-util.so.0 => /usr/lib/libxcb-render-util.so.0 (0xb6e51000) libxcb-render.so.0 => /usr/lib/libxcb-render.so.0 (0xb6e49000) libxcb.so.1 => /usr/lib/libxcb.so.1 (0xb6e2e000) libXau.so.6 => /usr/lib/libXau.so.6 (0xb6e2a000) libXdmcp.so.6 => /usr/lib/libXdmcp.so.6 (0xb6e25000)