(gdb) bt
#0  0xb7fdd424 in __kernel_vsyscall ()
#1  0xb4c7b1df in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#2  0xb4c7e825 in __GI_abort () at abort.c:91
#3  0xb4cb839a in __libc_message (do_abort=2, fmt=0xb4db3888 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:201
#4  0xb4cc2ee2 in malloc_printerr (action=<optimized out>, str=<optimized out>, ptr=0x89ef640) at malloc.c:5039
#5  0xb3679ebd in g_free (mem=0x89ef640) at ./../../../../../Tools/glib/2.32.4/glib/gmem.c:252
#6  0xa3596d58 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#7  0xa359785c in g_content_type_get_description () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#8  0xa3796b7a in NP_GetMIMEDescription () from /usr/lib/mozilla/plugins/libtotem-narrowspace-plugin.so
#9  0xadecb2c4 in WebCore::PluginPackage::fetchInfo() () at ../WTF/wtf/Vector.h:300
#10 0xadd68645 in WebCore::PluginPackage::createPackage(WTF::String const&, long const&) () at platform/ScrollAnimator.h:100
#11 0xadd64bbd in WebCore::PluginDatabase::refresh (this=<error reading variable: Unknown argument list address for `this'.>) at plugins/PluginDatabase.cpp:145
#12 0xadd663e1 in WebCore::PluginDatabase::installedPlugins (populate=-1386986295) at plugins/PluginDatabase.cpp:75
#13 0xad5444c9 in PlatformStrategiesQt::getPluginInfo (this=0xad6f02bd, page=0xb10ceff4, outPlugins=0x89d5148) at qt/WebCoreSupport/PlatformStrategiesQt.cpp:169
#14 0xadc409da in WebCore::PluginData::initPlugins(WebCore::Page const*) () at plugins/PluginData.cpp:89
#15 0xadc40bb3 in WebCore::PluginData::PluginData (this=0x14, page=0xb10ceff4) at plugins/PluginData.cpp:34
#16 0xadc15d12 in WebCore::Page::pluginData() const () at platform/network/ResourceHandleClient.h:111
#17 0xadc40f6b in WebCore::DOMPluginArray::pluginData (this=0x89d7380) at plugins/DOMPluginArray.cpp:97
#18 0xadc40f8f in WebCore::DOMPluginArray::length (this=0xae8c2aa5) at plugins/DOMPluginArray.cpp:42
#19 0xae8c2aa5 in WebCore::jsDOMPluginArrayLength(JSC::ExecState*, JSC::JSValue, JSC::PropertyName) () at ../WTF/wtf/text/StringImpl.h:496
#20 0xaf877ec5 in JSC::JSValue::get(JSC::ExecState*, JSC::PropertyName, JSC::PropertySlot&) const [clone .constprop.279] (this=0x6, exec=0xa4dd6924, propertyName=..., slot=0xb10ceff4)
	at runtime/PropertySlot.h:76
#21 0xaf87e3fd in JSC::LLInt::getByVal(JSC::ExecState*, JSC::JSValue, JSC::JSValue) () at ../WTF/wtf/Vector.h:300
#22 0xaf87b3f4 in llint_slow_path_get_by_val () at llint/LLIntSlowPaths.cpp:1068
#23 0xaf880ff6 in llint_op_get_by_val () from ./libQt5WebKit.so.5
#24 0xa4e01000 in ?? ()
#25 0xaf7dced3 in JSC::Interpreter::executeCall (this=<error reading variable: Unknown argument list address for `this'.>,
	callFrame=<error reading variable: Unknown argument list address for `callFrame'.>, function=<error reading variable: Unknown argument list address for `function'.>,
	callType=<error reading variable: Unknown argument list address for `callType'.>, callData=<error reading variable: Unknown argument list address for `callData'.>,
	thisValue=<error reading variable: Unknown argument list address for `thisValue'.>, args=<error reading variable: Unknown argument list address for `args'.>) at jit/JITCode.h:135
#26 0xaf960afd in JSC::call (exec=0x2, functionObject=..., callType=4294967291, callData=0xbfffcc64, thisValue=..., args=0xad6f10ef) at runtime/CallData.cpp:40
#27 0xaf9c8fdf in JSC::functionProtoFuncApply (exec=0xa3a36938) at runtime/FunctionPrototype.cpp:154
#28 0xaa5010ef in ?? ()
#29 0xaf7dced3 in JSC::Interpreter::executeCall (this=<error reading variable: Unknown argument list address for `this'.>,
	callFrame=<error reading variable: Unknown argument list address for `callFrame'.>, function=<error reading variable: Unknown argument list address for `function'.>,
	callType=<error reading variable: Unknown argument list address for `callType'.>, callData=<error reading variable: Unknown argument list address for `callData'.>,
	thisValue=<error reading variable: Unknown argument list address for `thisValue'.>, args=<error reading variable: Unknown argument list address for `args'.>) at jit/JITCode.h:135
#30 0xaf960afd in JSC::call (exec=0x2, functionObject=..., callType=4294967291, callData=0xbfffcf74, thisValue=..., args=0xad6f02bd) at runtime/CallData.cpp:40
#31 0xaf9c8fdf in JSC::functionProtoFuncApply (exec=0xa3a35a18) at runtime/FunctionPrototype.cpp:154
#32 0xaa5010ef in ?? ()
#33 0xaf7dced3 in JSC::Interpreter::executeCall (this=<error reading variable: Unknown argument list address for `this'.>,
	callFrame=<error reading variable: Unknown argument list address for `callFrame'.>, function=<error reading variable: Unknown argument list address for `function'.>,
	callType=<error reading variable: Unknown argument list address for `callType'.>, callData=<error reading variable: Unknown argument list address for `callData'.>,
	thisValue=<error reading variable: Unknown argument list address for `thisValue'.>, args=<error reading variable: Unknown argument list address for `args'.>) at jit/JITCode.h:135
#34 0xaf960afd in JSC::call (exec=0x2, functionObject=..., callType=4294967291, callData=0xbfffd284, thisValue=..., args=0xb4df2ff4) at runtime/CallData.cpp:40
#35 0xaf9c8fdf in JSC::functionProtoFuncApply (exec=0xa3a36f98) at runtime/FunctionPrototype.cpp:154
#36 0xaa5010ef in ?? ()
#37 0xaf7dced3 in JSC::Interpreter::executeCall (this=<error reading variable: Unknown argument list address for `this'.>,
	callFrame=<error reading variable: Unknown argument list address for `callFrame'.>, function=<error reading variable: Unknown argument list address for `function'.>,
	callType=<error reading variable: Unknown argument list address for `callType'.>, callData=<error reading variable: Unknown argument list address for `callData'.>,
	thisValue=<error reading variable: Unknown argument list address for `thisValue'.>, args=<error reading variable: Unknown argument list address for `args'.>) at jit/JITCode.h:135
#38 0xaf960afd in JSC::call (exec=0x2, functionObject=..., callType=4294967291, callData=0xbfffd594, thisValue=..., args=0xad6f02bd) at runtime/CallData.cpp:40
#39 0xaf9c8fdf in JSC::functionProtoFuncApply (exec=0xa3a353b8) at runtime/FunctionPrototype.cpp:154
#40 0xaa5010ef in ?? ()
#41 0xaf7e46a8 in JSC::JITCode::execute(JSC::JSStack*, JSC::ExecState*, JSC::VM*) () at ../WTF/wtf/Vector.h:300
---Type <return> to continue, or q <return> to quit---
#42 0xaf7e3d17 in JSC::Interpreter::execute (this=0xa7ddffd8, program=0xafbcb956, callFrame=0xb10ceff4, thisObj=0x1) at interpreter/Interpreter.cpp:951
#43 0xaf9722ce in JSC::evaluate (exec=0xfffffffb, source=0xbfffe108, thisValue=..., returnedException=0x8) at runtime/Completion.cpp:83
#44 0xad889c9e in WebCore::ScriptController::evaluateInWorld (this=0xb10ceff4, sourceCode=0xb10ceff4, world=0x8694b08) at bindings/js/JSMainThreadExecState.h:77
#45 0xad88ab5b in WebCore::ScriptController::evaluate (this=0xbfffe1c4, sourceCode=0x81b3370) at bindings/js/ScriptController.cpp:158
#46 0xaf400da1 in WebCore::ScriptElement::executeScript(WebCore::ScriptSourceCode const&) () at ./wtf/StdLibExtras.h:294
#47 0xaf4012a4 in WebCore::ScriptElement::execute(WebCore::CachedScript*) () at ./wtf/StdLibExtras.h:294
#48 0xaf42fc8f in WebCore::ScriptRunner::timerFired(WebCore::Timer<WebCore::ScriptRunner>*) () at ./wtf/StdLibExtras.h:294
#49 0xaf386295 in WebCore::Timer<WebCore::ScriptRunner>::fired() () at ./wtf/StdLibExtras.h:294
#50 0xadd4ee9a in WebCore::ThreadTimers::sharedTimerFiredInternal() () at platform/ScrollAnimator.h:100
#51 0xadd4ef21 in WebCore::ThreadTimers::sharedTimerFired() () at platform/ScrollAnimator.h:100
#52 0xadeb720e in WebCore::SharedTimerQt::timerEvent (this=0xb51c6a4e, ev=0x81b2338) at platform/qt/SharedTimerQt.cpp:113
#53 0xb51c6a4e in QObject::event (this=0x81b2338, e=0xbfffe978) at kernel/qobject.cpp:1122
#54 0xb5d2a364 in QApplicationPrivate::notify_helper (this=0x8122f08, receiver=0x81b2338, e=0xbfffe978) at kernel/qapplication.cpp:3467
#55 0xb5d27b29 in QApplication::notify (this=0xbfffecac, receiver=0x81b2338, e=0xbfffe978) at kernel/qapplication.cpp:2888
#56 0xb518f56f in QCoreApplication::notifyInternal (this=0xbfffecac, receiver=0x81b2338, event=0xbfffe978) at kernel/qcoreapplication.cpp:878
#57 0xb5192f43 in QCoreApplication::sendEvent (receiver=0x81b2338, event=0xbfffe978) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:232
#58 0xb51fc587 in QTimerInfoList::activateTimers (this=0x813f8ac) at kernel/qtimerinfo_unix.cpp:643
#59 0xb51fd6a3 in timerSourceDispatch (source=0x813f878) at kernel/qeventdispatcher_glib.cpp:185
#60 0xb36b464d in g_main_dispatch (context=0xaa410dc0) at ./../../../../../Tools/glib/2.32.4/glib/gmain.c:2539
#61 0xb36b5161 in g_main_context_dispatch (context=0xaa410dc0) at ./../../../../../Tools/glib/2.32.4/glib/gmain.c:3075
#62 0xb36b533c in g_main_context_iterate (context=0xaa410dc0, block=1, dispatch=1, self=0xaa404320) at ./../../../../../Tools/glib/2.32.4/glib/gmain.c:3146
#63 0xb36b53ef in g_main_context_iteration (context=0xaa410dc0, may_block=1) at ./../../../../../Tools/glib/2.32.4/glib/gmain.c:3207
#64 0xb51fdf3e in QEventDispatcherGlib::processEvents (this=0x8136648, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#65 0xaaf9ed88 in QPAEventDispatcherGlib::processEvents (this=0x8136648, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:123
#66 0xb518c29b in QEventLoop::processEvents (this=0xbfffec0c, flags=...) at kernel/qeventloop.cpp:136
#67 0xb518c562 in QEventLoop::exec (this=0xbfffec0c, flags=...) at kernel/qeventloop.cpp:212
#68 0xb518fc3e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1131
#69 0xb55598f2 in QGuiApplication::exec () at kernel/qguiapplication.cpp:1332
#70 0xb5d2745f in QApplication::exec () at kernel/qapplication.cpp:2692
#71 0x0809ff84 in main (argc=1, argv=0xbfffed64) at /home/dongyangz/dongyangz_dongyangz-MAXIMUS-IV_9994/sw/gcomp/dev/src/GridClients/uic/qtclient/main.cpp:226