Problem with KPDF

Hello, I have a problem with kpdf. It doesn't work : The Trinity ltdl loader was unable to dlopen() the shared library '/opt/trinity/lib/trinity/libkpdfpart.so' : '/opt/trinity/lib/trinity/libkpdfpart.so: undefined symbol: _ZN9KListView9selectAllEb' The Trinity ltdl loader was unable to dlopen() the shared library '/opt/trinity/lib/trinity/libkpdfpart.so' : '/opt/trinity/lib/trinity/libkpdfpart.so: undefined symbol: _ZN9KListView9selectAllEb' If it can help : GNU gdb (GDB) 7.3-debian Copyright (C) 2011 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> 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". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Attaching to process 19618 Reading symbols from /opt/trinity/bin/kpdf...(no debugging symbols found)...done. Reading symbols from /usr/lib/libnspr4.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libnspr4.so Reading symbols from /opt/trinity/lib/libkparts.so.2...(no debugging symbols found)...done. Loaded symbols for /opt/trinity/lib/libkparts.so.2 Reading symbols from /opt/trinity/lib/libkio.so.4...(no debugging symbols found)...done. Loaded symbols for /opt/trinity/lib/libkio.so.4 Reading symbols from /opt/trinity/lib/libkdeui.so.4...(no debugging symbols found)...done. Loaded symbols for /opt/trinity/lib/libkdeui.so.4 Reading symbols from /usr/lib/libfreetype.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libfreetype.so.6 Reading symbols from /usr/lib/libfontconfig.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libfontconfig.so.1 Reading symbols from /opt/trinity/lib/libkdesu.so.4...(no debugging symbols found)...done. Loaded symbols for /opt/trinity/lib/libkdesu.so.4 Reading symbols from /lib/libutil.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libutil.so.1 Reading symbols from /opt/trinity/lib/libkwalletclient.so.1...(no debugging symbols found)...done. Loaded symbols for /opt/trinity/lib/libkwalletclient.so.1 Reading symbols from /opt/trinity/lib/libkdecore.so.4...(no debugging symbols found)...done. Loaded symbols for /opt/trinity/lib/libkdecore.so.4 Reading symbols from /opt/trinity/lib/libDCOP.so.4...(no debugging symbols found)...done. Loaded symbols for /opt/trinity/lib/libDCOP.so.4 Reading symbols from /opt/trinity/lib/libkdefx.so.4...(no debugging symbols found)...done. Loaded symbols for /opt/trinity/lib/libkdefx.so.4 Reading symbols from /usr/lib/libtqt.so.4...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libtqt.so.4 Reading symbols from /usr/lib/libqt-mt.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libqt-mt.so.3 Reading symbols from /usr/lib/libXrender.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXrender.so.1 Reading symbols from /usr/lib/libX11.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libX11.so.6 Reading symbols from /usr/lib/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libz.so.1 Reading symbols from /usr/lib/libidn.so.11...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libidn.so.11 Reading symbols from /usr/lib/libXcomposite.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXcomposite.so.1 Reading symbols from /usr/lib/libXfixes.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXfixes.so.3 Reading symbols from /usr/lib/libICE.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libICE.so.6 Reading symbols from /usr/lib/libSM.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libSM.so.6 Reading symbols from /usr/lib/libstdc++.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libstdc++.so.6 Reading symbols from /lib/libm.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/libm.so.6 Reading symbols from /lib/libgcc_s.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libgcc_s.so.1 Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/libc.so.6 Reading symbols from /lib/libpthread.so.0...(no debugging symbols found)...done. [Thread debugging using libthread_db enabled] Loaded symbols for /lib/libpthread.so.0 Reading symbols from /lib/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/libdl.so.2 Reading symbols from /usr/lib/libexpat.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libexpat.so.1 Reading symbols from /usr/lib/libart_lgpl_2.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libart_lgpl_2.so.2 Reading symbols from /usr/lib/libaudio.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libaudio.so.2 Reading symbols from /usr/lib/libXt.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXt.so.6 Reading symbols from /usr/lib/libjpeg.so.62...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libjpeg.so.62 Reading symbols from /lib/libpng12.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/libpng12.so.0 Reading symbols from /usr/lib/libXi.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXi.so.6 Reading symbols from /usr/lib/libXrandr.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXrandr.so.2 Reading symbols from /usr/lib/libXcursor.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXcursor.so.1 Reading symbols from /usr/lib/libXinerama.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXinerama.so.1 Reading symbols from /usr/lib/libXft.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXft.so.2 Reading symbols from /usr/lib/libXext.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXext.so.6 Reading symbols from /usr/lib/libxcb.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb.so.1 Reading symbols from /lib/libuuid.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libuuid.so.1 Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Reading symbols from /usr/lib/libXau.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXau.so.6 Reading symbols from /usr/lib/libXdmcp.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXdmcp.so.6 Reading symbols from /opt/trinity/lib/trinity/plugins/styles/plastik.so...(no debugging symbols found)...done. Loaded symbols for /opt/trinity/lib/trinity/plugins/styles/plastik.so Reading symbols from /usr/lib/qt3/plugins/imageformats/libqmng.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/qt3/plugins/imageformats/libqmng.so Reading symbols from /usr/lib/libmng.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libmng.so.1 Reading symbols from /usr/lib/liblcms.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/liblcms.so.1 0x00007f386cad93c3 in select () from /lib/libc.so.6 (gdb) bt #0 0x00007f386cad93c3 in select () from /lib/libc.so.6 #1 0x00007f386e993509 in QEventLoop::processEvents(unsigned int) () from /usr/lib/libqt-mt.so.3 #2 0x00007f386e9f8cf1 in QEventLoop::enterLoop() () from /usr/lib/libqt-mt.so.3 #3 0x00007f386e9f8ba2 in QEventLoop::exec() () from /usr/lib/libqt-mt.so.3 #4 0x000000000040a182 in main () Thanks for your help. Jean