. Thread 1 (Thread 0x7f16120ee700 (LWP 11872)): #0 0x00007f15f4f98110 in ?? () No symbol table info available. #1 0x00007f1609fefa21 in QFactoryLoader::instance(QString const&) const () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #2 0x00007f160815d8f2 in QIcon::addFile(QString const&, QSize const&, QIcon::Mode, QIcon::State) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #3 0x00007f160815dc1a in QIcon::QIcon(QString const&) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #4 0x00007f1608fbee9f in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so No symbol table info available. #5 0x00007f160974c01c in ?? () from /usr/lib/python2.7/dist-packages/sip.so No symbol table info available. #6 0x000000000045b952 in ?? () No symbol table info available. #7 0x0000000000489780 in PyEval_EvalFrameEx () No symbol table info available. #8 0x0000000000490a98 in PyEval_EvalCodeEx () No symbol table info available. #9 0x00000000004896a8 in PyEval_EvalFrameEx () No symbol table info available. #10 0x0000000000490a98 in PyEval_EvalCodeEx () No symbol table info available. #11 0x000000000049a21c in ?? () No symbol table info available. #12 0x0000000000499cb4 in ?? () No symbol table info available. #13 0x00000000004661a4 in ?? () No symbol table info available. #14 0x000000000045b952 in ?? () No symbol table info available. #15 0x0000000000489780 in PyEval_EvalFrameEx () No symbol table info available. #16 0x0000000000489920 in PyEval_EvalFrameEx () No symbol table info available. #17 0x0000000000489920 in PyEval_EvalFrameEx () No symbol table info available. #18 0x0000000000490a98 in PyEval_EvalCodeEx () No symbol table info available. #19 0x0000000000528ea3 in ?? () No symbol table info available. #20 0x000000000043cd70 in PyRun_FileExFlags () No symbol table info available. #21 0x000000000043afad in PyRun_SimpleFileExFlags () No symbol table info available. #22 0x000000000044b761 in Py_Main () No symbol table info available. #23 0x00007f161232776d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #24 0x00000000004c6a29 in _start () No symbol table info available.