Discussion:
GNS3 crashes after right clicking on Ethernet (edge) link
(too old to reply)
bijan
2017-12-28 18:12:34 UTC
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Hello, I don't know if anybody else experienced the crash but
reproducing it is easy. Just place two Ethernet switch and connect them
together. by right clicking on the link, it crashes receiving segfault
signal.

P.S: I experienced receiving the same signal on FreeBSD 11-1 and
FreeBSD-Head, don't know about any other O.S

$ uname -a
OpenBSD lenovo.localhost 6.2 GENERIC.MP#0 amd64

$ gdb --args python2.7 /usr/local/bin/gns3
GNU gdb 6.3
(gdb) run
Starting program: /usr/local/bin/python2.7 /usr/local/bin/gns3
WARNING: Your host file miss an entry for lenovo.localhost
warning: Lowest section in /usr/local/lib/libicudata.so.13.0 is .hash at
0000000000100238
libpng warning: iCCP: known incorrect sRGB profile
[New process 13220]

Program received signal SIGSEGV, Segmentation fault.
0x000010b62e2cb83c in QObject::thread () from
/usr/local/lib/libQtCore.so.9.0
Current language: auto; currently minimal
(gdb) bt
#0 0x000010b62e2cb83c in QObject::thread () from
/usr/local/lib/libQtCore.so.9.0
#1 0x000010b5f28144a3 in qpycore_create_universal_slot () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtCore.so
#2 0x000010b5f28131d0 in qpycore_qobject_connect () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtCore.so
#3 0x000010b5f27f70b4 in _ZL20meth_QObject_connectP7_objectS0_ () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtCore.so
#4 0x000010b6664a52ee in PyEval_EvalFrameEx () from
/usr/local/lib/libpython2.7.so.0.0
#5 0x000010b6664a95b3 in fast_function () from
/usr/local/lib/libpython2.7.so.0.0
#6 0x000010b6664a4ca5 in PyEval_EvalFrameEx () from
/usr/local/lib/libpython2.7.so.0.0
#7 0x000010b66649ecc4 in PyEval_EvalCodeEx () from
/usr/local/lib/libpython2.7.so.0.0
#8 0x000010b66642bbd3 in function_call () from
/usr/local/lib/libpython2.7.so.0.0
#9 0x000010b666404755 in PyObject_Call () from
/usr/local/lib/libpython2.7.so.0.0
#10 0x000010b666411d52 in instancemethod_call () from
/usr/local/lib/libpython2.7.so.0.0
#11 0x000010b666404755 in PyObject_Call () from
/usr/local/lib/libpython2.7.so.0.0
#12 0x000010b6664a8edf in PyEval_CallObjectWithKeywords () from
/usr/local/lib/libpython2.7.so.0.0
#13 0x000010b670df2d2d in sip_api_call_procedure_method () from
/usr/local/lib/python2.7/site-packages/sip.so
#14 0x000010b58e56b72e in sipVH_QtGui_166 () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#15 0x000010b58e922580 in sipQGraphicsPathItem::mousePressEvent () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#16 0x000010b6499b70a1 in QGraphicsItem::sceneEvent () from
/usr/local/lib/libQtGui.so.10.1
#17 0x000010b58e92246d in sipQGraphicsPathItem::sceneEvent () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#18 0x000010b6499dc3a7 in QGraphicsScenePrivate::sendMouseEvent () from
/usr/local/lib/libQtGui.so.10.1
#19 0x000010b6499dcccb in QGraphicsScenePrivate::mousePressEventHandler
() from /usr/local/lib/libQtGui.so.10.1
#20 0x000010b6499e87b7 in QGraphicsScene::mousePressEvent () from
/usr/local/lib/libQtGui.so.10.1
#21 0x000010b58e8d46fe in
_ZL35meth_QGraphicsScene_mousePressEventP7_objectS0_S0_ () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#22 0x000010b6664a52ee in PyEval_EvalFrameEx () from
/usr/local/lib/libpython2.7.so.0.0
#23 0x000010b66649ecc4 in PyEval_EvalCodeEx () from
/usr/local/lib/libpython2.7.so.0.0
#24 0x000010b66642bbd3 in function_call () from
/usr/local/lib/libpython2.7.so.0.0
#25 0x000010b666404755 in PyObject_Call () from
/usr/local/lib/libpython2.7.so.0.0
#26 0x000010b666411d52 in instancemethod_call () from
/usr/local/lib/libpython2.7.so.0.0
#27 0x000010b666404755 in PyObject_Call () from
/usr/local/lib/libpython2.7.so.0.0
#28 0x000010b6664a8edf in PyEval_CallObjectWithKeywords () from
/usr/local/lib/libpython2.7.so.0.0
#29 0x000010b670df2d2d in sip_api_call_procedure_method () from
/usr/local/lib/python2.7/site-packages/sip.so
#30 0x000010b58e56b72e in sipVH_QtGui_166 () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#31 0x000010b58e8cd190 in sipQGraphicsScene::mousePressEvent () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#32 0x000010b6499e2e12 in QGraphicsScene::event () from
/usr/local/lib/libQtGui.so.10.1
#33 0x000010b58e8cd86d in sipQGraphicsScene::event () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#34 0x000010b649366203 in QApplicationPrivate::notify_helper () from
/usr/local/lib/libQtGui.so.10.1
#35 0x000010b6493678d3 in QApplication::notify () from
/usr/local/lib/libQtGui.so.10.1
#36 0x000010b58ea7b898 in sipQApplication::notify () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#37 0x000010b62e2b724e in QCoreApplication::notifyInternal () from
/usr/local/lib/libQtCore.so.9.0
#38 0x000010b649a0a121 in QGraphicsView::mousePressEvent () from
/usr/local/lib/libQtGui.so.10.1
#39 0x000010b58e8bed5e in
_ZL34meth_QGraphicsView_mousePressEventP7_objectS0_S0_ () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#40 0x000010b6664a52ee in PyEval_EvalFrameEx () from
/usr/local/lib/libpython2.7.so.0.0
#41 0x000010b66649ecc4 in PyEval_EvalCodeEx () from
/usr/local/lib/libpython2.7.so.0.0
#42 0x000010b66642bbd3 in function_call () from
/usr/local/lib/libpython2.7.so.0.0
#43 0x000010b666404755 in PyObject_Call () from
/usr/local/lib/libpython2.7.so.0.0
#44 0x000010b666411d52 in instancemethod_call () from
/usr/local/lib/libpython2.7.so.0.0
#45 0x000010b666404755 in PyObject_Call () from
/usr/local/lib/libpython2.7.so.0.0
#46 0x000010b6664a8edf in PyEval_CallObjectWithKeywords () from
/usr/local/lib/libpython2.7.so.0.0
#47 0x000010b670df2d2d in sip_api_call_procedure_method () from
/usr/local/lib/python2.7/site-packages/sip.so
#48 0x000010b58e572a2e in sipVH_QtGui_12 () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#49 0x000010b58e8b78f0 in sipQGraphicsView::mousePressEvent () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#50 0x000010b6493b9a82 in QWidget::event () from
/usr/local/lib/libQtGui.so.10.1
#51 0x000010b6497c186d in QFrame::event () from
/usr/local/lib/libQtGui.so.10.1
#52 0x000010b649a091b1 in QGraphicsView::viewportEvent () from
/usr/local/lib/libQtGui.so.10.1
#53 0x000010b58e8b8bcd in sipQGraphicsView::viewportEvent () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#54 0x000010b62e2b75fc in
QCoreApplicationPrivate::sendThroughObjectEventFilters () from
/usr/local/lib/libQtCore.so.9.0
#55 0x000010b6493661ef in QApplicationPrivate::notify_helper () from
/usr/local/lib/libQtGui.so.10.1
#56 0x000010b649368c3c in QApplication::notify () from
/usr/local/lib/libQtGui.so.10.1
#57 0x000010b58ea7b898 in sipQApplication::notify () from
/usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#58 0x000010b62e2b724e in QCoreApplication::notifyInternal () from
/usr/local/lib/libQtCore.so.9.0
#59 0x000010b649366c8e in QApplicationPrivate::sendMouseEvent () from
/usr/local/lib/libQtGui.so.10.1
#60 0x000010b6493e519e in QETWidget::translateMouseEvent () from
/usr/local/lib/libQtGui.so.10.1
#61 0x000010b6493e3583 in QApplication::x11ProcessEvent () from
/usr/local/lib/libQtGui.so.10.1
#62 0x000010b649411291 in QGuiEventDispatcherGlib::flush () from
/usr/local/lib/libQtGui.so.10.1
#63 0x000010b611c6918b in g_main_context_dispatch (context=Variable
"context" is not available.
) at gmain.c:3234
#64 0x000010b611c694ee in g_main_context_iterate () at gmain.c:3972
#65 0x000010b611c69594 in g_main_context_iteration
(context=0x10b62a8b7d00, may_block=The value of variable 'may_block' is
distributed across several
locations, and GDB cannot access its value.

) at gmain.c:4033
#66 0x000010b62e2e7ddf in QEventDispatcherGlib::processEvents () from
/usr/local/lib/libQtCore.so.9.0
#67 0x000010b649410fb8 in QGuiEventDispatcherGlib::processEvents () from
/usr/local/lib/libQtGui.so.10.1
#68 0x000010b62e2b447e in QEventLoop::exec () from
/usr/local/lib/libQtCore.so.9.0
#69 0x000010b62e2b7900 in QCoreApplication::exec () from
/usr/local/lib/libQtCore.so.9.0
#70 0x000010b58ea7d6de in _ZL23meth_QApplication_exec_P7_objectS0_ ()
from /usr/local/lib/python2.7/site-packages/PyQt4/QtGui.so
#71 0x000010b6664a52ee in PyEval_EvalFrameEx () from
/usr/local/lib/libpython2.7.so.0.0
#72 0x000010b6664a95b3 in fast_function () from
/usr/local/lib/libpython2.7.so.0.0
#73 0x000010b6664a4ca5 in PyEval_EvalFrameEx () from
/usr/local/lib/libpython2.7.so.0.0
#74 0x000010b66649ecc4 in PyEval_EvalCodeEx () from
/usr/local/lib/libpython2.7.so.0.0
#75 0x000010b66649e662 in PyEval_EvalCode () from
/usr/local/lib/libpython2.7.so.0.0
#76 0x000010b6664bc364 in PyImport_ExecCodeModuleEx () from
/usr/local/lib/libpython2.7.so.0.0
#77 0x000010b6664bf370 in load_source_module () from
/usr/local/lib/libpython2.7.so.0.0
#78 0x000010b6664bee29 in import_submodule () from
/usr/local/lib/libpython2.7.so.0.0
#79 0x000010b6664be990 in load_next () from
/usr/local/lib/libpython2.7.so.0.0
#80 0x000010b6664bd84b in PyImport_ImportModuleLevel () from
/usr/local/lib/libpython2.7.so.0.0
#81 0x000010b6664999c6 in builtin___import__ () from
/usr/local/lib/libpython2.7.so.0.0
#82 0x000010b666404755 in PyObject_Call () from
/usr/local/lib/libpython2.7.so.0.0
#83 0x000010b6664a399c in PyEval_EvalFrameEx () from
/usr/local/lib/libpython2.7.so.0.0
#84 0x000010b66649ecc4 in PyEval_EvalCodeEx () from
/usr/local/lib/libpython2.7.so.0.0
#85 0x000010b66649e662 in PyEval_EvalCode () from
/usr/local/lib/libpython2.7.so.0.0
#86 0x000010b6664c9e7d in PyRun_FileExFlags () from
/usr/local/lib/libpython2.7.so.0.0
#87 0x000010b6664c99bf in PyRun_SimpleFileExFlags () from
/usr/local/lib/libpython2.7.so.0.0
#88 0x000010b6664ddf6e in Py_Main () from /usr/local/lib/libpython2.7.so.0.0
#89 0x000010b37e500454 in _start () from /usr/local/bin/python2.7
#90 0x0000000000000000 in ?? ()
(gdb)

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