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Wim De Winter
December 6th, 2010, 10:36 PM
Hi

I'm running Ubuntu 10.10 and was looking for software to mix mp3's. I want to try mixxx (found here (http://www.mixxx.org/)) I installed the most recent package by using the ppa of the project (as described here (http://www.mixxx.org/download.php)) Install seems to be ok (no error messages)

But when I try to run mixxx from the menu nothing happens. Nothing. Running it from the terminal with the command
mixxxI get this error message:
mixxx: symbol lookup error: /usr/lib/libQtNetwork.so.4: undefined symbol: _ZN16QIODevicePrivate4peekEPcxCan anyone explain to me what seems to be the problem? How can this problem be solved? What more information do you need to solve it? Can you help?

I've also posted on the mixxx bug tracker in launchpad (here) (https://answers.launchpad.net/mixxx/+question/136031)

Thanks!

Wim De Winter
December 16th, 2010, 06:11 PM
Some more information after a couple of hours googleing and filtering forums:


ldd /usr/bin/mixxx results in:


linux-gate.so.1 => (0x00945000)
libid3tag.so.0 => /usr/lib/libid3tag.so.0 (0x009e7000)
libmad.so.0 => /usr/lib/libmad.so.0 (0x00f32000)
libsndfile.so.1 => /usr/lib/libsndfile.so.1 (0x00e20000)
libvorbisfile.so.3 => /usr/lib/libvorbisfile.so.3 (0x00250000)
libvorbis.so.0 => /usr/lib/libvorbis.so.0 (0x004df000)
libogg.so.0 => /usr/lib/libogg.so.0 (0x00d50000)
libGL.so.1 => /usr/lib/mesa/libGL.so.1 (0x00110000)
libGLU.so.1 => /usr/lib/libGLU.so.1 (0x00163000)
libporttime.so.0 => /usr/lib/libporttime.so.0 (0x00dfb000)
libportmidi.so.0 => /usr/lib/libportmidi.so.0 (0x0045b000)
libQtOpenGL.so.4 => /usr/lib/libQtOpenGL.so.4 (0x00259000)
libQt3Support.so.4 => /usr/lib/libQt3Support.so.4 (0x00507000)
libQtXml.so.4 => /usr/lib/libQtXml.so.4 (0x001d3000)
libQtSvg.so.4 => /usr/lib/libQtSvg.so.4 (0x0033d000)
libQtSql.so.4 => /usr/lib/libQtSql.so.4 (0x00db7000)
libQtScript.so.4 => /usr/lib/libQtScript.so.4 (0x009f7000)
libQtXmlPatterns.so.4 => /usr/lib/libQtXmlPatterns.so.4 (0x00f49000)
libQtWebKit.so.4 => /usr/lib/libQtWebKit.so.4 (0x19ab4000)
libQtGui.so.4 => /usr/local/lib/beidqt/libQtGui.so.4 (0x0f66a000)
libQtNetwork.so.4 => /usr/lib/libQtNetwork.so.4 (0x00806000)
libQtCore.so.4 => /usr/local/lib/beidqt/libQtCore.so.4 (0x0da63000)
libportaudio.so.2 => /usr/lib/libportaudio.so.2 (0x00216000)
libasound.so.2 => /usr/lib/libasound.so.2 (0x00395000)
libpthread.so.0 => /lib/libpthread.so.0 (0x00464000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x0159d000)
libm.so.6 => /lib/libm.so.6 (0x0047e000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x004a4000)
libc.so.6 => /lib/libc.so.6 (0x19416000)
libz.so.1 => /lib/libz.so.1 (0x004c0000)
libFLAC.so.8 => /usr/lib/libFLAC.so.8 (0x0097a000)
libvorbisenc.so.2 => /usr/lib/libvorbisenc.so.2 (0x1f89b000)
libX11.so.6 => /usr/lib/libX11.so.6 (0x0f094000)
libXext.so.6 => /usr/lib/libXext.so.6 (0x0023f000)
libXdamage.so.1 => /usr/lib/libXdamage.so.1 (0x004d5000)
libXfixes.so.3 => /usr/lib/libXfixes.so.3 (0x004d9000)
libXxf86vm.so.1 => /usr/lib/libXxf86vm.so.1 (0x007e4000)
libdrm.so.2 => /lib/libdrm.so.2 (0x007ea000)
libdl.so.2 => /lib/libdl.so.2 (0x007f4000)
libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0x00c82000)
libXrender.so.1 => /usr/lib/libXrender.so.1 (0x007f8000)
libsqlite3.so.0 => /usr/lib/libsqlite3.so.0 (0x00e88000)
libphonon.so.4 => /usr/lib/libphonon.so.4 (0x00d57000)
libaudio.so.2 => /usr/lib/libaudio.so.2 (0x0092e000)
libpng12.so.0 => /lib/libpng12.so.0 (0x00cf9000)
libgobject-2.0.so.0 => /usr/lib/libgobject-2.0.so.0 (0x15736000)
libSM.so.6 => /usr/lib/libSM.so.6 (0x00946000)
libICE.so.6 => /usr/lib/libICE.so.6 (0x009c6000)
libglib-2.0.so.0 => /lib/libglib-2.0.so.0 (0x10d14000)
libfontconfig.so.1 => /usr/lib/libfontconfig.so.1 (0x00d1e000)
libgthread-2.0.so.0 => /usr/lib/libgthread-2.0.so.0 (0x0094f000)
librt.so.1 => /lib/librt.so.1 (0x00dfe000)
libjack.so.0 => /usr/lib/libjack.so.0 (0x04332000)
/lib/ld-linux.so.2 (0x0095c000)
libxcb.so.1 => /usr/lib/libxcb.so.1 (0x00f12000)
libpulse.so.0 => /usr/lib/libpulse.so.0 (0x14c2a000)
libpulse-mainloop-glib.so.0 => /usr/lib/libpulse-mainloop-glib.so.0 (0x00954000)
libQtDBus.so.4 => /usr/lib/libQtDBus.so.4 (0x0aa3c000)
libXt.so.6 => /usr/lib/libXt.so.6 (0x020b7000)
libXau.so.6 => /usr/lib/libXau.so.6 (0x00802000)
libpcre.so.3 => /lib/libpcre.so.3 (0x1ca7e000)
libuuid.so.1 => /lib/libuuid.so.1 (0x009df000)
libexpat.so.1 => /lib/libexpat.so.1 (0x06998000)
libXdmcp.so.6 => /usr/lib/libXdmcp.so.6 (0x00e07000)
libX11-xcb.so.1 => /usr/lib/libX11-xcb.so.1 (0x00959000)
libXtst.so.6 => /usr/lib/libXtst.so.6 (0x00e0d000)
libxcb-atom.so.1 => /usr/lib/libxcb-atom.so.1 (0x00df6000)
libpulsecommon-0.9.21.so => /usr/lib/libpulsecommon-0.9.21.so (0x0b3f5000)
libXi.so.6 => /usr/lib/libXi.so.6 (0x0137a000)
libwrap.so.0 => /lib/libwrap.so.0 (0x00e13000)
libdbus-1.so.3 => /lib/libdbus-1.so.3 (0x1d0cd000)
libnsl.so.1 => /lib/libnsl.so.1 (0x01388000)

and
ldd -r /usr/lib/libQtNetwork.so.4 results in


linux-gate.so.1 => (0x00cb7000)
libQtCore.so.4 => /usr/local/lib/beidqt/libQtCore.so.4 (0x00110000)
libpthread.so.0 => /lib/libpthread.so.0 (0x004cb000)
libz.so.1 => /lib/libz.so.1 (0x0081c000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00343000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00c0f000)
libc.so.6 => /lib/libc.so.6 (0x004e5000)
libgthread-2.0.so.0 => /usr/lib/libgthread-2.0.so.0 (0x006fd000)
librt.so.1 => /lib/librt.so.1 (0x00bfe000)
libglib-2.0.so.0 => /lib/libglib-2.0.so.0 (0x00702000)
libdl.so.2 => /lib/libdl.so.2 (0x0085a000)
libm.so.6 => /lib/libm.so.6 (0x0042e000)
/lib/ld-linux.so.2 (0x00e65000)
libpcre.so.3 => /lib/libpcre.so.3 (0x00454000)
undefined symbol: _ZN16QIODevicePrivate4peekEPcx (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN16QIODevicePrivate4peekEx (/usr/lib/libQtNetwork.so.4)
undefined symbol: _Z14qDecodeDataUrlRK4QUrl (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZNK13QElapsedTimer7elapsedEv (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZNK13QElapsedTimer10hasExpiredEx (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN9QHashData14detach_helper2EPFvPNS_4NodeEPvEPFvS 1_Eii (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN9QListData7append2ERKS_ (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN9QHashData12allocateNodeEi (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN9QListData6detachEi (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN8QMapData10createDataEi (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN13QElapsedTimer5startEv (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN24QNonContiguousByteDevice12disableResetEv (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN31QNonContiguousByteDeviceFactory6createEP9QIOD evice (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN31QNonContiguousByteDeviceFactory6createEP11QRi ngBuffer (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN11QVectorData4freeEPS_i (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN7QStringC1EiN2Qt14InitializationE (/usr/lib/libQtNetwork.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN8QVariantC1EiPKvj (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN8QMapData11node_createEPPNS_4NodeEii (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN9QHashData11free_helperEPFvPNS_4NodeEE (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN11QVectorData8allocateEii (/usr/lib/libQtNetwork.so.4)
undefined symbol: _Z14qt_safe_selectiP6fd_setS0_S0_PK7timeval (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN31QNonContiguousByteDeviceFactory4wrapEP24QNonC ontiguousByteDevice (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN9QListData11detach_growEPii (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN15QtSharedPointer20ExternalRefCountData9getAndR efEPK7QObject (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN11QVectorData10reallocateEPS_iii (/usr/lib/libQtNetwork.so.4)

Hope this helps.

Wim De Winter
December 17th, 2010, 08:37 AM
problem solved: http://ubuntuforums.org/showthread.php?t=1469364