[Ci-reports] fail on QtBase_stable_Integration #4010

Qt Continuous Integration System ci-noreply at qt-project.org
Fri Jun 20 16:48:51 CEST 2014


Autotest `tst_qquickcanvasitem' failed :(

  Testing qquickcanvasitem
  QtQA::App::TestRunner: Process exited due to signal 11; dumped core
  QtQA::App::TestRunner: ============================== backtrace follows: ==============================
  QtQA::App::TestRunner: gdb commands: thread apply all bt 100
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: warning: core file may not match specified executable file.
  QtQA::App::TestRunner: [New LWP 26941]
  QtQA::App::TestRunner: [New LWP 26939]
  QtQA::App::TestRunner: [New LWP 26940]
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: warning: Can't read pathname for load map: Input/output error.
  QtQA::App::TestRunner: [Thread debugging using libthread_db enabled]
  QtQA::App::TestRunner: Core was generated by `./tst_qquickcanvasitem -silent -o /work/ci/qt/qtbase/stable/_artifacts/test-log'.
  QtQA::App::TestRunner: Program terminated with signal 11, Segmentation fault.
  QtQA::App::TestRunner: #0  0x00007f11787f6128 in TestNamespace::QOpenGLContext::isValid (this=0x1675de0) at kernel/qopenglcontext.cpp:597
  QtQA::App::TestRunner: 597	    return d->platformGLContext && d->platformGLContext->isValid();
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 3 (Thread 0x7f116e775700 (LWP 26940)):
  QtQA::App::TestRunner: #0  0x00007f1179998e63 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
  QtQA::App::TestRunner: #1  0x00007f1174e61f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #2  0x00007f1174e62429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #3  0x00007f11781ee38d in TestNamespace::QEventDispatcherGlib::processEvents (this=0x115dce0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #4  0x00007f1178171cb0 in TestNamespace::QEventLoop::processEvents (this=0x7f116e774d80, flags=...) at kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #5  0x00007f1178171f89 in TestNamespace::QEventLoop::exec (this=0x7f116e774d80, flags=...) at kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #6  0x00007f1177ef96a4 in TestNamespace::QThread::exec (this=0x1171370) at thread/qthread.cpp:511
  QtQA::App::TestRunner: #7  0x00007f117726ed2d in TestNamespace::QQmlThreadPrivate::run (this=0x1171370) at qml/ftw/qqmlthread.cpp:149
  QtQA::App::TestRunner: #8  0x00007f1177f00bec in TestNamespace::QThreadPrivate::start (arg=0x1171370) at thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #9  0x00007f1176749efc in start_thread (arg=0x7f116e775700) at pthread_create.c:304
  QtQA::App::TestRunner: #10 0x00007f11799a4f8d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #11 0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 2 (Thread 0x7f117a07b760 (LWP 26939)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
  QtQA::App::TestRunner: #1  0x00007f1177f0232b in TestNamespace::QWaitConditionPrivate::wait (this=0x1329c60, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:136
  QtQA::App::TestRunner: #2  0x00007f1177f020f3 in TestNamespace::QWaitCondition::wait (this=0x16af778, mutex=0x16af770, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
  QtQA::App::TestRunner: #3  0x00007f1177ef8626 in TestNamespace::QSemaphore::acquire (this=0x7fff1b4cc750, n=1) at thread/qsemaphore.cpp:145
  QtQA::App::TestRunner: #4  0x00007f1178181ce8 in TestNamespace::QMetaMethod::invoke (this=0x7fff1b4cc930, object=0x16ad290, connectionType=TestNamespace::Qt::BlockingQueuedConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:2226
  QtQA::App::TestRunner: #5  0x00007f1178180d49 in TestNamespace::QMetaObject::invokeMethod (obj=0x16ad290, member=0x7f1177adcdfa "grabImage", type=TestNamespace::Qt::BlockingQueuedConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1464
  QtQA::App::TestRunner: #6  0x00007f11778734f3 in TestNamespace::QMetaObject::invokeMethod (obj=0x16ad290, member=0x7f1177adcdfa "grabImage", type=TestNamespace::Qt::BlockingQueuedConnection, val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at /work/build/qt/qtbase/include/QtCore/../../src/corelib/kernel/qobjectdefs.h:399
  QtQA::App::TestRunner: #7  0x00007f1177a45238 in TestNamespace::QQuickContext2D::toImage (this=0x16b6290, bounds=...) at items/context2d/qquickcontext2d.cpp:4200
  QtQA::App::TestRunner: #8  0x00007f1177a29aa3 in TestNamespace::QQuickCanvasItem::toImage (this=0x16bb850, rect=...) at items/context2d/qquickcanvasitem.cpp:999
  QtQA::App::TestRunner: #9  0x00007f1177a3fb47 in TestNamespace::QQuickJSContext2DPrototype::method_getImageData (ctx=0x7fff1b4cd120) at items/context2d/qquickcontext2d.cpp:3322
  QtQA::App::TestRunner: #10 0x00007f117712ee12 in TestNamespace::QV4::BuiltinFunction::call (that=0x7f1179f07080, callData=0x7f116d776d58) at jsruntime/qv4functionobject.cpp:583
  QtQA::App::TestRunner: #11 0x00007f11770813f8 in TestNamespace::QV4::Object::call (this=0x7f1179f07080, d=0x7f116d776d58) at /work/build/qt/qtbase/include/QtQml/5.3.1/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:270
  QtQA::App::TestRunner: #12 0x00007f1177197ef3 in TestNamespace::QV4::Runtime::callProperty (context=0x7f1179eda1c0, name=..., callData=...) at jsruntime/qv4runtime.cpp:938
  QtQA::App::TestRunner: #13 0x00007f1179f4c0cd in ?? ()
  QtQA::App::TestRunner: #14 0x00007f1179f7d270 in ?? ()
  QtQA::App::TestRunner: #15 0x00007fff1b4cd650 in ?? ()
  QtQA::App::TestRunner: #16 0x0000800000000000 in ?? ()
  QtQA::App::TestRunner: #17 0x00007f11770812b5 in TestNamespace::QV4::Object::get (this=0x1, name=..., hasProperty=0x133cd30) at /work/build/qt/qtbase/include/QtQml/5.3.1/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:244
  QtQA::App::TestRunner: #18 0x00007f117712df92 in TestNamespace::QV4::ScriptFunction::call (that=0x7f1179f7d270, callData=0x7f116d776a00) at jsruntime/qv4functionobject.cpp:421
  QtQA::App::TestRunner: #19 0x00007f11770813f8 in TestNamespace::QV4::Object::call (this=0x7f1179f7d270, d=0x7f116d776a00) at /work/build/qt/qtbase/include/QtQml/5.3.1/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:270
  QtQA::App::TestRunner: #20 0x00007f11771979cc in TestNamespace::QV4::Runtime::callActivationProperty (context=0x7fff1b4cd650, name=..., callData=...) at jsruntime/qv4runtime.cpp:912
  QtQA::App::TestRunner: #21 0x00007f1179f4b869 in ?? ()
  QtQA::App::TestRunner: #22 0x00007fff1b4cd600 in ?? ()
  QtQA::App::TestRunner: #23 0x00007f1177101265 in TestNamespace::QV4::ExecutionContext::ExecutionContext (this=0x1, engine=0x7f116d776660, t=0) at jsruntime/qv4context_p.h:93
  QtQA::App::TestRunner: #24 0x00007f117712ea9e in TestNamespace::QV4::SimpleScriptFunction::call (that=0x7f1179f7d9f0, callData=0x7f116d776620) at jsruntime/qv4functionobject.cpp:529
  QtQA::App::TestRunner: #25 0x00007f11770813f8 in TestNamespace::QV4::Object::call (this=0x7f1179f7d9f0, d=0x7f116d776620) at /work/build/qt/qtbase/include/QtQml/5.3.1/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:270
  QtQA::App::TestRunner: #26 0x00007f117719814d in TestNamespace::QV4::Runtime::callElement (context=0x7f1179fd8540, index=..., callData=...) at jsruntime/qv4runtime.cpp:966
  QtQA::App::TestRunner: #27 0x00007f117a08c12e in ?? ()
  QtQA::App::TestRunner: #28 0x00007f1179f7d000 in ?? ()
  QtQA::App::TestRunner: #29 0x00007fff1b4cdb20 in ?? ()
  QtQA::App::TestRunner: #30 0x00007fff1b4cd860 in ?? ()
  QtQA::App::TestRunner: #31 0x00007f11770812b5 in TestNamespace::QV4::Object::get (this=0x1, name=..., hasProperty=0x133cd30) at /work/build/qt/qtbase/include/QtQml/5.3.1/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:244
  QtQA::App::TestRunner: #32 0x00007f117712df92 in TestNamespace::QV4::ScriptFunction::call (that=0x7f1179f7d000, callData=0x7f116d775d50) at jsruntime/qv4functionobject.cpp:421
  QtQA::App::TestRunner: #33 0x00007f11770813f8 in TestNamespace::QV4::Object::call (this=0x7f1179f7d000, d=0x7f116d775d50) at /work/build/qt/qtbase/include/QtQml/5.3.1/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:270
  QtQA::App::TestRunner: #34 0x00007f11771979cc in TestNamespace::QV4::Runtime::callActivationProperty (context=0x7fff1b4cdb20, name=..., callData=...) at jsruntime/qv4runtime.cpp:912
  QtQA::App::TestRunner: #35 0x00007f117a08ca01 in ?? ()
  QtQA::App::TestRunner: #36 0x00007fff1b4cdad0 in ?? ()
  QtQA::App::TestRunner: #37 0x00007f1177101265 in TestNamespace::QV4::ExecutionContext::ExecutionContext (this=0x2, engine=0x7f116d775a80, t=0) at jsruntime/qv4context_p.h:93
  QtQA::App::TestRunner: #38 0x00007f117712ea9e in TestNamespace::QV4::SimpleScriptFunction::call (that=0x7f1179f7d030, callData=0x7f116d775a40) at jsruntime/qv4functionobject.cpp:529
  QtQA::App::TestRunner: #39 0x00007f11770813f8 in TestNamespace::QV4::Object::call (this=0x7f1179f7d030, d=0x7f116d775a40) at /work/build/qt/qtbase/include/QtQml/5.3.1/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:270
  QtQA::App::TestRunner: #40 0x00007f11771979cc in TestNamespace::QV4::Runtime::callActivationProperty (context=0x7fff1b4cde10, name=..., callData=...) at jsruntime/qv4runtime.cpp:912
  QtQA::App::TestRunner: #41 0x00007f1179f5427f in ?? ()
  QtQA::App::TestRunner: #42 0x00007fff1b4cddc0 in ?? ()
  QtQA::App::TestRunner: #43 0x00007f1177101265 in TestNamespace::QV4::ExecutionContext::ExecutionContext (this=0x0, engine=0x7f116d775378, t=0) at jsruntime/qv4context_p.h:93
  QtQA::App::TestRunner: #44 0x00007f117712ea9e in TestNamespace::QV4::SimpleScriptFunction::call (that=0x7f1179f7d090, callData=0x7f116d775338) at jsruntime/qv4functionobject.cpp:529
  QtQA::App::TestRunner: #45 0x00007f11770813f8 in TestNamespace::QV4::Object::call (this=0x7f1179f7d090, d=0x7f116d775338) at /work/build/qt/qtbase/include/QtQml/5.3.1/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:270
  QtQA::App::TestRunner: #46 0x00007f11771979cc in TestNamespace::QV4::Runtime::callActivationProperty (context=0x7fff1b4ce100, name=..., callData=...) at jsruntime/qv4runtime.cpp:912
  QtQA::App::TestRunner: #47 0x00007f117a094f77 in ?? ()
  QtQA::App::TestRunner: #48 0x00007fff1b4ce0b0 in ?? ()
  QtQA::App::TestRunner: #49 0x00007f1177101265 in TestNamespace::QV4::ExecutionContext::ExecutionContext (this=0x0, engine=0x133cd68, t=0) at jsruntime/qv4context_p.h:93
  QtQA::App::TestRunner: #50 0x00007f117712ea9e in TestNamespace::QV4::SimpleScriptFunction::call (that=0x7f1179f7d180, callData=0x7f116d775028) at jsruntime/qv4functionobject.cpp:529
  QtQA::App::TestRunner: #51 0x00007f11770813f8 in TestNamespace::QV4::Object::call (this=0x7f1179f7d180, d=0x7f116d775028) at /work/build/qt/qtbase/include/QtQml/5.3.1/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:270
  QtQA::App::TestRunner: #52 0x00007f117724fe5c in TestNamespace::QQmlJavaScriptExpression::evaluate (this=0x138f9e0, context=0x136e760, function=..., callData=0x7f116d775028, isUndefined=0x0) at qml/qqmljavascriptexpression.cpp:166
  QtQA::App::TestRunner: #53 0x00007f11771e43b1 in TestNamespace::QQmlBoundSignalExpression::evaluate (this=0x138f9c0, a=0x0) at qml/qqmlboundsignal.cpp:289
  QtQA::App::TestRunner: #54 0x00007f11771e4ad8 in TestNamespace::QQmlBoundSignal_callback (e=0x138f488, a=0x0) at qml/qqmlboundsignal.cpp:416
  QtQA::App::TestRunner: #55 0x00007f1177230849 in TestNamespace::QQmlNotifier::emitNotify (endpoint=0x138f488, a=0x0) at qml/qqmlnotifier.cpp:81
  QtQA::App::TestRunner: #56 0x00007f11771b7532 in TestNamespace::QQmlData::signalEmitted (object=0x13cf750, index=30, a=0x0) at qml/qqmlengine.cpp:720
  QtQA::App::TestRunner: #57 0x00007f11781b7dfe in TestNamespace::QMetaObject::activate (sender=0x13cf750, signalOffset=29, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3567
  QtQA::App::TestRunner: #58 0x00007f11771b38f8 in TestNamespace::QQmlVMEMetaObject::activate (this=0x13cfae0, object=0x13cf750, index=42, args=0x0) at qml/qqmlvmemetaobject.cpp:1333
  QtQA::App::TestRunner: #59 0x00007f11771b1479 in TestNamespace::QQmlVMEMetaObject::metaCall (this=0x13cfae0, c=TestNamespace::QMetaObject::WriteProperty, _id=42, a=0x7fff1b4cf290) at qml/qqmlvmemetaobject.cpp:849
  QtQA::App::TestRunner: #60 0x00007f1176fb88aa in TestNamespace::QAbstractDynamicMetaObject::metaCall (this=0x13cfae0, c=TestNamespace::QMetaObject::WriteProperty, _id=42, a=0x7fff1b4cf290) at /work/build/qt/qtbase/include/QtCore/5.3.1/QtCore/private/../../../../../src/corelib/kernel/qobject_p.h:428
  QtQA::App::TestRunner: #61 0x00007f11771b1f1e in TestNamespace::QQmlVMEMetaObject::metaCall (this=0x12cd320, c=TestNamespace::QMetaObject::WriteProperty, _id=42, a=0x7fff1b4cf290) at qml/qqmlvmemetaobject.cpp:978
  QtQA::App::TestRunner: #62 0x00007f1176fb88aa in TestNamespace::QAbstractDynamicMetaObject::metaCall (this=0x12cd320, c=TestNamespace::QMetaObject::WriteProperty, _id=42, a=0x7fff1b4cf290) at /work/build/qt/qtbase/include/QtCore/5.3.1/QtCore/private/../../../../../src/corelib/kernel/qobject_p.h:428
  QtQA::App::TestRunner: #63 0x00007f11771b1f1e in TestNamespace::QQmlVMEMetaObject::metaCall (this=0x133cdb0, c=TestNamespace::QMetaObject::WriteProperty, _id=42, a=0x7fff1b4cf290) at qml/qqmlvmemetaobject.cpp:978
  QtQA::App::TestRunner: #64 0x00007f1176fb88aa in TestNamespace::QAbstractDynamicMetaObject::metaCall (this=0x133cdb0, c=TestNamespace::QMetaObject::WriteProperty, _id=42, a=0x7fff1b4cf290) at /work/build/qt/qtbase/include/QtCore/5.3.1/QtCore/private/../../../../../src/corelib/kernel/qobject_p.h:428
  QtQA::App::TestRunner: #65 0x00007f117817de1d in TestNamespace::QMetaObject::metacall (object=0x13cf750, cl=TestNamespace::QMetaObject::WriteProperty, idx=42, argv=0x7fff1b4cf290) at kernel/qmetaobject.cpp:306
  QtQA::App::TestRunner: #66 0x00007f11771d286e in TestNamespace::QQmlPropertyPrivate::write (object=0x13cf750, property=..., value=..., context=0x12ce680, flags=...) at qml/qqmlproperty.cpp:1317
  QtQA::App::TestRunner: #67 0x00007f11771d21e3 in TestNamespace::QQmlPropertyPrivate::writeValueProperty (object=0x13cf750, core=..., value=..., context=0x12ce680, flags=...) at qml/qqmlproperty.cpp:1246
  QtQA::App::TestRunner: #68 0x00007f11771d434a in TestNamespace::QQmlPropertyPrivate::writeBinding (object=0x13cf750, core=..., context=0x12ce680, expression=0x133cd30, result=..., isUndefined=false, flags=...) at qml/qqmlproperty.cpp:1578
  QtQA::App::TestRunner: #69 0x00007f117725a9a1 in TestNamespace::QQmlBinding::update (this=0x133cd10, flags=...) at qml/qqmlbinding.cpp:266
  QtQA::App::TestRunner: #70 0x00007f117725b4a2 in TestNamespace::QQmlBinding::update (this=0x133cd10) at qml/qqmlbinding_p.h:105
  QtQA::App::TestRunner: #71 0x00007f117725afb4 in TestNamespace::QQmlBinding::expressionChanged (e=0x133cd30) at qml/qqmlbinding.cpp:327
  QtQA::App::TestRunner: #72 0x00007f1177250ff4 in TestNamespace::QQmlJavaScriptExpressionGuard_callback (e=0x141ef20) at qml/qqmljavascriptexpression.cpp:371
  QtQA::App::TestRunner: #73 0x00007f1177230849 in TestNamespace::QQmlNotifier::emitNotify (endpoint=0x141ef20, a=0x0) at qml/qqmlnotifier.cpp:81
  QtQA::App::TestRunner: #74 0x00007f11771b7532 in TestNamespace::QQmlData::signalEmitted (object=0x13cf750, index=34, a=0x0) at qml/qqmlengine.cpp:720
  QtQA::App::TestRunner: #75 0x00007f11781b7dfe in TestNamespace::QMetaObject::activate (sender=0x13cf750, signalOffset=29, local_signal_index=5, argv=0x0) at kernel/qobject.cpp:3567
  QtQA::App::TestRunner: #76 0x00007f11771b38f8 in TestNamespace::QQmlVMEMetaObject::activate (this=0x13cfae0, object=0x13cf750, index=46, args=0x0) at qml/qqmlvmemetaobject.cpp:1333
  QtQA::App::TestRunner: #77 0x00007f11771b1479 in TestNamespace::QQmlVMEMetaObject::metaCall (this=0x13cfae0, c=TestNamespace::QMetaObject::WriteProperty, _id=46, a=0x7fff1b4d0730) at qml/qqmlvmemetaobject.cpp:849
  QtQA::App::TestRunner: #78 0x00007f1176fb88aa in TestNamespace::QAbstractDynamicMetaObject::metaCall (this=0x13cfae0, c=TestNamespace::QMetaObject::WriteProperty, _id=46, a=0x7fff1b4d0730) at /work/build/qt/qtbase/include/QtCore/5.3.1/QtCore/private/../../../../../src/corelib/kernel/qobject_p.h:428
  QtQA::App::TestRunner: #79 0x00007f11771b1f1e in TestNamespace::QQmlVMEMetaObject::metaCall (this=0x12cd320, c=TestNamespace::QMetaObject::WriteProperty, _id=46, a=0x7fff1b4d0730) at qml/qqmlvmemetaobject.cpp:978
  QtQA::App::TestRunner: #80 0x00007f1176fb88aa in TestNamespace::QAbstractDynamicMetaObject::metaCall (this=0x12cd320, c=TestNamespace::QMetaObject::WriteProperty, _id=46, a=0x7fff1b4d0730) at /work/build/qt/qtbase/include/QtCore/5.3.1/QtCore/private/../../../../../src/corelib/kernel/qobject_p.h:428
  QtQA::App::TestRunner: #81 0x00007f11771b1f1e in TestNamespace::QQmlVMEMetaObject::metaCall (this=0x133cdb0, c=TestNamespace::QMetaObject::WriteProperty, _id=46, a=0x7fff1b4d0730) at qml/qqmlvmemetaobject.cpp:978
  QtQA::App::TestRunner: #82 0x00007f1176fb88aa in TestNamespace::QAbstractDynamicMetaObject::metaCall (this=0x133cdb0, c=TestNamespace::QMetaObject::WriteProperty, _id=46, a=0x7fff1b4d0730) at /work/build/qt/qtbase/include/QtCore/5.3.1/QtCore/private/../../../../../src/corelib/kernel/qobject_p.h:428
  QtQA::App::TestRunner: #83 0x00007f117817de1d in TestNamespace::QMetaObject::metacall (object=0x13cf750, cl=TestNamespace::QMetaObject::WriteProperty, idx=46, argv=0x7fff1b4d0730) at kernel/qmetaobject.cpp:306
  QtQA::App::TestRunner: #84 0x00007f11771d286e in TestNamespace::QQmlPropertyPrivate::write (object=0x13cf750, property=..., value=..., context=0x136e760, flags=...) at qml/qqmlproperty.cpp:1317
  QtQA::App::TestRunner: #85 0x00007f11771d21e3 in TestNamespace::QQmlPropertyPrivate::writeValueProperty (object=0x13cf750, core=..., value=..., context=0x136e760, flags=...) at qml/qqmlproperty.cpp:1246
  QtQA::App::TestRunner: #86 0x00007f11771d434a in TestNamespace::QQmlPropertyPrivate::writeBinding (object=0x13cf750, core=..., context=0x136e760, expression=0x12ccba0, result=..., isUndefined=false, flags=...) at qml/qqmlproperty.cpp:1578
  QtQA::App::TestRunner: #87 0x00007f117725a9a1 in TestNamespace::QQmlBinding::update (this=0x12ccb80, flags=...) at qml/qqmlbinding.cpp:266
  QtQA::App::TestRunner: #88 0x00007f117725b4a2 in TestNamespace::QQmlBinding::update (this=0x12ccb80) at qml/qqmlbinding_p.h:105
  QtQA::App::TestRunner: #89 0x00007f117725afb4 in TestNamespace::QQmlBinding::expressionChanged (e=0x12ccba0) at qml/qqmlbinding.cpp:327
  QtQA::App::TestRunner: #90 0x00007f1177250ff4 in TestNamespace::QQmlJavaScriptExpressionGuard_callback (e=0x141ef58) at qml/qqmljavascriptexpression.cpp:371
  QtQA::App::TestRunner: #91 0x00007f1177230849 in TestNamespace::QQmlNotifier::emitNotify (endpoint=0x141ef58, a=0x0) at qml/qqmlnotifier.cpp:81
  QtQA::App::TestRunner: #92 0x00007f11771b7532 in TestNamespace::QQmlData::signalEmitted (object=0x1259a00, index=3, a=0x0) at qml/qqmlengine.cpp:720
  QtQA::App::TestRunner: #93 0x00007f11781b7dfe in TestNamespace::QMetaObject::activate (sender=0x1259a00, signalOffset=3, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3567
  QtQA::App::TestRunner: #94 0x00007f11781b7ce0 in TestNamespace::QMetaObject::activate (sender=0x1259a00, m=0x7f1179e8a880, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3546
  QtQA::App::TestRunner: #95 0x00007f1179c71ddf in TestNamespace::QTestRootObject::windowShownChanged (this=0x1259a00) at .moc/quicktest.moc:189
  QtQA::App::TestRunner: #96 0x00007f1179c73919 in TestNamespace::QTestRootObject::setWindowShown (this=0x1259a00, value=true) at quicktest.cpp:103
  QtQA::App::TestRunner: #97 0x00007f1179c71814 in TestNamespace::quick_test_main (argc=6, argv=0x7fff1b4d18b8, name=0x4007af "qquickcanvasitem", sourceDir=0x400770 "/work/build/qt/qtdeclarative/tests/auto/quick/qquickcanvasitem") at quicktest.cpp:375
  QtQA::App::TestRunner: #98 0x000000000040066f in main (argc=6, argv=0x7fff1b4d18b8) at tst_qquickcanvasitem.cpp:42
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 1 (Thread 0x7f116af5a700 (LWP 26941)):
  QtQA::App::TestRunner: #0  0x00007f11787f6128 in TestNamespace::QOpenGLContext::isValid (this=0x1675de0) at kernel/qopenglcontext.cpp:597
  QtQA::App::TestRunner: #1  0x00007f1177a55b20 in TestNamespace::GLAcquireContext::GLAcquireContext (this=0x7f116af59790, c=0x1675de0, s=0x1675e80) at items/context2d/qquickcontext2dtexture.cpp:75
  QtQA::App::TestRunner: #2  0x00007f1177a53426 in TestNamespace::QQuickContext2DTexture::paint (this=0x167cd70, ccb=0x16782c0) at items/context2d/qquickcontext2dtexture.cpp:247
  QtQA::App::TestRunner: #3  0x00007f1177a53efd in TestNamespace::QQuickContext2DTexture::event (this=0x167cd70, e=0x16be490) at items/context2d/qquickcontext2dtexture.cpp:366
  QtQA::App::TestRunner: #4  0x00007f1178175594 in TestNamespace::QCoreApplicationPrivate::notify_helper (this=0x113a340, receiver=0x167cd70, event=0x16be490) at kernel/qcoreapplication.cpp:1052
  QtQA::App::TestRunner: #5  0x00007f117817526e in TestNamespace::QCoreApplication::notify (this=0x1139850, receiver=0x167cd70, event=0x16be490) at kernel/qcoreapplication.cpp:997
  QtQA::App::TestRunner: #6  0x00007f11787b08fe in TestNamespace::QGuiApplication::notify (this=0x1139850, object=0x167cd70, event=0x16be490) at kernel/qguiapplication.cpp:1467
  QtQA::App::TestRunner: #7  0x00007f117817517a in TestNamespace::QCoreApplication::notifyInternal (this=0x1139850, receiver=0x167cd70, event=0x16be490) at kernel/qcoreapplication.cpp:935
  QtQA::App::TestRunner: #8  0x00007f1178178f27 in TestNamespace::QCoreApplication::sendEvent (receiver=0x167cd70, event=0x16be490) at kernel/qcoreapplication.h:237
  QtQA::App::TestRunner: #9  0x00007f1178176292 in TestNamespace::QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x167d000) at kernel/qcoreapplication.cpp:1539
  QtQA::App::TestRunner: #10 0x00007f1178175e54 in TestNamespace::QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1397
  QtQA::App::TestRunner: #11 0x00007f11781edb29 in TestNamespace::postEventSourceDispatch (s=0x1679800) at kernel/qeventdispatcher_glib.cpp:279
  QtQA::App::TestRunner: #12 0x00007f1174e61a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #13 0x00007f1174e62258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #14 0x00007f1174e62429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #15 0x00007f11781ee38d in TestNamespace::QEventDispatcherGlib::processEvents (this=0x1678440, flags=...) at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #16 0x00007f1178171cb0 in TestNamespace::QEventLoop::processEvents (this=0x7f116af59d80, flags=...) at kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #17 0x00007f1178171f89 in TestNamespace::QEventLoop::exec (this=0x7f116af59d80, flags=...) at kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #18 0x00007f1177ef96a4 in TestNamespace::QThread::exec (this=0x167aa50) at thread/qthread.cpp:511
  QtQA::App::TestRunner: #19 0x00007f1177ef9842 in TestNamespace::QThread::run (this=0x167aa50) at thread/qthread.cpp:578
  QtQA::App::TestRunner: #20 0x00007f1177f00bec in TestNamespace::QThreadPrivate::start (arg=0x167aa50) at thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #21 0x00007f1176749efc in start_thread (arg=0x7f116af5a700) at pthread_create.c:304
  QtQA::App::TestRunner: #22 0x00007f11799a4f8d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #23 0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: ================================================================================
  QtQA::App::TestRunner: test failed, running again to see if it is flaky...
  ********* Start testing of qquickcanvasitem *********
  Config: Using QtTest library 5.3.1, Qt 5.3.1
  PASS   : qquickcanvasitem::arc::initTestCase()
  PASS   : qquickcanvasitem::arc::test_angle_1(image threaded)
  PASS   : qquickcanvasitem::arc::test_angle_1(image immediate)
  PASS   : qquickcanvasitem::arc::test_angle_2(image threaded)
  PASS   : qquickcanvasitem::arc::test_angle_2(image immediate)
  PASS   : qquickcanvasitem::arc::test_angle_3(image threaded)
  PASS   : qquickcanvasitem::arc::test_angle_3(image immediate)
  QtQA::App::TestRunner: Process exited due to signal 11; dumped core
  QtQA::App::TestRunner: ============================== backtrace follows: ==============================
  QtQA::App::TestRunner: gdb commands: thread apply all bt 100
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: warning: core file may not match specified executable file.
  QtQA::App::TestRunner: [New LWP 27042]
  QtQA::App::TestRunner: [New LWP 27036]
  QtQA::App::TestRunner: [New LWP 27037]
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: warning: Can't read pathname for load map: Input/output error.
  QtQA::App::TestRunner: [Thread debugging using libthread_db enabled]
  QtQA::App::TestRunner: Core was generated by `./tst_qquickcanvasitem -o /work/ci/qt/qtbase/stable/_artifacts/test-logs/tst_qq'.
  QtQA::App::TestRunner: Program terminated with signal 11, Segmentation fault.
  QtQA::App::TestRunner: #0  0x00007ff4f92fe128 in TestNamespace::QOpenGLContext::isValid (this=0x1f13260) at kernel/qopenglcontext.cpp:597
  QtQA::App::TestRunner: 597	    return d->platformGLContext && d->platformGLContext->isValid();
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 3 (Thread 0x7ff4ef27d700 (LWP 27037)):
  QtQA::App::TestRunner: #0  0x00007ff4fa4a0e63 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
  QtQA::App::TestRunner: #1  0x00007ff4f5969f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #2  0x00007ff4f596a429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #3  0x00007ff4f8cf638d in TestNamespace::QEventDispatcherGlib::processEvents (this=0x1ea7ce0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #4  0x00007ff4f8c79cb0 in TestNamespace::QEventLoop::processEvents (this=0x7ff4ef27cd80, flags=...) at kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #5  0x00007ff4f8c79f89 in TestNamespace::QEventLoop::exec (this=0x7ff4ef27cd80, flags=...) at kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #6  0x00007ff4f8a016a4 in TestNamespace::QThread::exec (this=0x1ebb370) at thread/qthread.cpp:511
  QtQA::App::TestRunner: #7  0x00007ff4f7d76d2d in TestNamespace::QQmlThreadPrivate::run (this=0x1ebb370) at qml/ftw/qqmlthread.cpp:149
  QtQA::App::TestRunner: #8  0x00007ff4f8a08bec in TestNamespace::QThreadPrivate::start (arg=0x1ebb370) at thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #9  0x00007ff4f7251efc in start_thread (arg=0x7ff4ef27d700) at pthread_create.c:304
  QtQA::App::TestRunner: #10 0x00007ff4fa4acf8d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #11 0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 2 (Thread 0x7ff4fab83760 (LWP 27036)):
  QtQA::App::TestRunner: #0  0x00007ff4fa478c0d in nanosleep () at ../sysdeps/unix/syscall-template.S:82
  QtQA::App::TestRunner: #1  0x00007ff4f777fbae in TestNamespace::QTest::qSleep (ms=10) at qtestcase.cpp:2886
  QtQA::App::TestRunner: #2  0x00007ff4fa781c2b in TestNamespace::QTest::qWait (ms=0) at /work/build/qt/qtbase/include/QtTest/../../src/testlib/qtestsystem.h:68
  QtQA::App::TestRunner: #3  0x00007ff4fa78348f in TestNamespace::QuickTestResult::wait (this=0x202ec80, ms=0) at quicktestresult.cpp:570
  QtQA::App::TestRunner: #4  0x00007ff4fa78884b in TestNamespace::QuickTestResult::qt_static_metacall (_o=0x202ec80, _c=TestNamespace::QMetaObject::InvokeMetaMethod, _id=23, _a=0x7fff164d0c10) at .moc/moc_quicktestresult_p.cpp:286
  QtQA::App::TestRunner: #5  0x00007ff4fa788d7b in TestNamespace::QuickTestResult::qt_metacall (this=0x202ec80, _c=TestNamespace::QMetaObject::InvokeMetaMethod, _id=23, _a=0x7fff164d0c10) at .moc/moc_quicktestresult_p.cpp:395
  QtQA::App::TestRunner: #6  0x00007ff4f8c85e41 in TestNamespace::QMetaObject::metacall (object=0x202ec80, cl=TestNamespace::QMetaObject::InvokeMetaMethod, idx=28, argv=0x7fff164d0c10) at kernel/qmetaobject.cpp:308
  QtQA::App::TestRunner: #7  0x00007ff4f7c8ac67 in TestNamespace::CallMethod (object=0x202ec80, index=28, returnType=43, argCount=1, argTypes=0x20cce54, engine=0x1ecaf70, callArgs=0x7ff4ee27dd10) at jsruntime/qv4qobjectwrapper.cpp:1131
  QtQA::App::TestRunner: #8  0x00007ff4f7c8b81d in TestNamespace::CallPrecise (object=0x202ec80, data=..., engine=0x1ecaf70, callArgs=0x7ff4ee27dd10) at jsruntime/qv4qobjectwrapper.cpp:1383
  QtQA::App::TestRunner: #9  0x00007ff4f7c8dedf in TestNamespace::QV4::QObjectMethod::callInternal (this=0x7ff4faaf1210, callData=0x7ff4ee27dd10) at jsruntime/qv4qobjectwrapper.cpp:1872
  QtQA::App::TestRunner: #10 0x00007ff4f7c8d96d in TestNamespace::QV4::QObjectMethod::call (m=0x7ff4faaf1210, callData=0x7ff4ee27dd10) at jsruntime/qv4qobjectwrapper.cpp:1801
  QtQA::App::TestRunner: #11 0x00007ff4f7b893f8 in TestNamespace::QV4::Object::call (this=0x7ff4faaf1210, d=0x7ff4ee27dd10) at /work/build/qt/qtbase/include/QtQml/5.3.1/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:270
  QtQA::App::TestRunner: #12 0x00007ff4f7c9fef3 in TestNamespace::QV4::Runtime::callProperty (context=0x7fff164d1180, name=..., callData=...) at jsruntime/qv4runtime.cpp:938
  QtQA::App::TestRunner: #13 0x00007ff4fab9ae8c in ?? ()
  QtQA::App::TestRunner: #14 0x00007fff164d1130 in ?? ()
  QtQA::App::TestRunner: #15 0x00007ff4f7c09265 in TestNamespace::QV4::ExecutionContext::ExecutionContext (this=0x1, engine=0x7ff4ee27da80, t=0) at jsruntime/qv4context_p.h:93
  QtQA::App::TestRunner: #16 0x00007ff4f7c36a9e in TestNamespace::QV4::SimpleScriptFunction::call (that=0x7ff4faa84cd0, callData=0x7ff4ee27da40) at jsruntime/qv4functionobject.cpp:529
  QtQA::App::TestRunner: #17 0x00007ff4f7b893f8 in TestNamespace::QV4::Object::call (this=0x7ff4faa84cd0, d=0x7ff4ee27da40) at /work/build/qt/qtbase/include/QtQml/5.3.1/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:270
  QtQA::App::TestRunner: #18 0x00007ff4f7c9f9cc in TestNamespace::QV4::Runtime::callActivationProperty (context=0x7fff164d1470, name=..., callData=...) at jsruntime/qv4runtime.cpp:912
  QtQA::App::TestRunner: #19 0x00007ff4faa57a8a in ?? ()
  QtQA::App::TestRunner: #20 0x00007fff164d1420 in ?? ()
  QtQA::App::TestRunner: #21 0x00007ff4f7c09265 in TestNamespace::QV4::ExecutionContext::ExecutionContext (this=0x0, engine=0x7ff4ee27d378, t=0) at jsruntime/qv4context_p.h:93
  QtQA::App::TestRunner: #22 0x00007ff4f7c36a9e in TestNamespace::QV4::SimpleScriptFunction::call (that=0x7ff4faa85090, callData=0x7ff4ee27d338) at jsruntime/qv4functionobject.cpp:529
  QtQA::App::TestRunner: #23 0x00007ff4f7b893f8 in TestNamespace::QV4::Object::call (this=0x7ff4faa85090, d=0x7ff4ee27d338) at /work/build/qt/qtbase/include/QtQml/5.3.1/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:270
  QtQA::App::TestRunner: #24 0x00007ff4f7c9f9cc in TestNamespace::QV4::Runtime::callActivationProperty (context=0x7fff164d1760, name=..., callData=...) at jsruntime/qv4runtime.cpp:912
  QtQA::App::TestRunner: #25 0x00007ff4fab96f47 in ?? ()
  QtQA::App::TestRunner: #26 0x00007fff164d1710 in ?? ()
  QtQA::App::TestRunner: #27 0x00007ff4f7c09265 in TestNamespace::QV4::ExecutionContext::ExecutionContext (this=0x0, engine=0x21351d8, t=0) at jsruntime/qv4context_p.h:93
  QtQA::App::TestRunner: #28 0x00007ff4f7c36a9e in TestNamespace::QV4::SimpleScriptFunction::call (that=0x7ff4faa85180, callData=0x7ff4ee27d028) at jsruntime/qv4functionobject.cpp:529
  QtQA::App::TestRunner: #29 0x00007ff4f7b893f8 in TestNamespace::QV4::Object::call (this=0x7ff4faa85180, d=0x7ff4ee27d028) at /work/build/qt/qtbase/include/QtQml/5.3.1/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:270
  QtQA::App::TestRunner: #30 0x00007ff4f7d57e5c in TestNamespace::QQmlJavaScriptExpression::evaluate (this=0x202f270, context=0x20b8600, function=..., callData=0x7ff4ee27d028, isUndefined=0x0) at qml/qqmljavascriptexpression.cpp:166
  QtQA::App::TestRunner: #31 0x00007ff4f7cec3b1 in TestNamespace::QQmlBoundSignalExpression::evaluate (this=0x202f250, a=0x0) at qml/qqmlboundsignal.cpp:289
  QtQA::App::TestRunner: #32 0x00007ff4f7cecad8 in TestNamespace::QQmlBoundSignal_callback (e=0x202ed18, a=0x0) at qml/qqmlboundsignal.cpp:416
  QtQA::App::TestRunner: #33 0x00007ff4f7d38849 in TestNamespace::QQmlNotifier::emitNotify (endpoint=0x202ed18, a=0x0) at qml/qqmlnotifier.cpp:81
  QtQA::App::TestRunner: #34 0x00007ff4f7cbf532 in TestNamespace::QQmlData::signalEmitted (object=0x20d8ea0, index=30, a=0x0) at qml/qqmlengine.cpp:720
  QtQA::App::TestRunner: #35 0x00007ff4f8cbfdfe in TestNamespace::QMetaObject::activate (sender=0x20d8ea0, signalOffset=29, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3567
  QtQA::App::TestRunner: #36 0x00007ff4f7cbb8f8 in TestNamespace::QQmlVMEMetaObject::activate (this=0x20d9210, object=0x20d8ea0, index=42, args=0x0) at qml/qqmlvmemetaobject.cpp:1333
  QtQA::App::TestRunner: #37 0x00007ff4f7cb9479 in TestNamespace::QQmlVMEMetaObject::metaCall (this=0x20d9210, c=TestNamespace::QMetaObject::WriteProperty, _id=42, a=0x7fff164d28f0) at qml/qqmlvmemetaobject.cpp:849
  QtQA::App::TestRunner: #38 0x00007ff4f7ac08aa in TestNamespace::QAbstractDynamicMetaObject::metaCall (this=0x20d9210, c=TestNamespace::QMetaObject::WriteProperty, _id=42, a=0x7fff164d28f0) at /work/build/qt/qtbase/include/QtCore/5.3.1/QtCore/private/../../../../../src/corelib/kernel/qobject_p.h:428
  QtQA::App::TestRunner: #39 0x00007ff4f7cb9f1e in TestNamespace::QQmlVMEMetaObject::metaCall (this=0x20eb270, c=TestNamespace::QMetaObject::WriteProperty, _id=42, a=0x7fff164d28f0) at qml/qqmlvmemetaobject.cpp:978
  QtQA::App::TestRunner: #40 0x00007ff4f7ac08aa in TestNamespace::QAbstractDynamicMetaObject::metaCall (this=0x20eb270, c=TestNamespace::QMetaObject::WriteProperty, _id=42, a=0x7fff164d28f0) at /work/build/qt/qtbase/include/QtCore/5.3.1/QtCore/private/../../../../../src/corelib/kernel/qobject_p.h:428
  QtQA::App::TestRunner: #41 0x00007ff4f7cb9f1e in TestNamespace::QQmlVMEMetaObject::metaCall (this=0x2135220, c=TestNamespace::QMetaObject::WriteProperty, _id=42, a=0x7fff164d28f0) at qml/qqmlvmemetaobject.cpp:978
  QtQA::App::TestRunner: #42 0x00007ff4f7ac08aa in TestNamespace::QAbstractDynamicMetaObject::metaCall (this=0x2135220, c=TestNamespace::QMetaObject::WriteProperty, _id=42, a=0x7fff164d28f0) at /work/build/qt/qtbase/include/QtCore/5.3.1/QtCore/private/../../../../../src/corelib/kernel/qobject_p.h:428
  QtQA::App::TestRunner: #43 0x00007ff4f8c85e1d in TestNamespace::QMetaObject::metacall (object=0x20d8ea0, cl=TestNamespace::QMetaObject::WriteProperty, idx=42, argv=0x7fff164d28f0) at kernel/qmetaobject.cpp:306
  QtQA::App::TestRunner: #44 0x00007ff4f7cda86e in TestNamespace::QQmlPropertyPrivate::write (object=0x20d8ea0, property=..., value=..., context=0x1f9f230, flags=...) at qml/qqmlproperty.cpp:1317
  QtQA::App::TestRunner: #45 0x00007ff4f7cda1e3 in TestNamespace::QQmlPropertyPrivate::writeValueProperty (object=0x20d8ea0, core=..., value=..., context=0x1f9f230, flags=...) at qml/qqmlproperty.cpp:1246
  QtQA::App::TestRunner: #46 0x00007ff4f7cdc34a in TestNamespace::QQmlPropertyPrivate::writeBinding (object=0x20d8ea0, core=..., context=0x1f9f230, expression=0x21351a0, result=..., isUndefined=false, flags=...) at qml/qqmlproperty.cpp:1578
  QtQA::App::TestRunner: #47 0x00007ff4f7d629a1 in TestNamespace::QQmlBinding::update (this=0x2135180, flags=...) at qml/qqmlbinding.cpp:266
  QtQA::App::TestRunner: #48 0x00007ff4f7d634a2 in TestNamespace::QQmlBinding::update (this=0x2135180) at qml/qqmlbinding_p.h:105
  QtQA::App::TestRunner: #49 0x00007ff4f7d62fb4 in TestNamespace::QQmlBinding::expressionChanged (e=0x21351a0) at qml/qqmlbinding.cpp:327
  QtQA::App::TestRunner: #50 0x00007ff4f7d58ff4 in TestNamespace::QQmlJavaScriptExpressionGuard_callback (e=0x216b780) at qml/qqmljavascriptexpression.cpp:371
  QtQA::App::TestRunner: #51 0x00007ff4f7d38849 in TestNamespace::QQmlNotifier::emitNotify (endpoint=0x216b780, a=0x0) at qml/qqmlnotifier.cpp:81
  QtQA::App::TestRunner: #52 0x00007ff4f7cbf532 in TestNamespace::QQmlData::signalEmitted (object=0x20d8ea0, index=34, a=0x0) at qml/qqmlengine.cpp:720
  QtQA::App::TestRunner: #53 0x00007ff4f8cbfdfe in TestNamespace::QMetaObject::activate (sender=0x20d8ea0, signalOffset=29, local_signal_index=5, argv=0x0) at kernel/qobject.cpp:3567
  QtQA::App::TestRunner: #54 0x00007ff4f7cbb8f8 in TestNamespace::QQmlVMEMetaObject::activate (this=0x20d9210, object=0x20d8ea0, index=46, args=0x0) at qml/qqmlvmemetaobject.cpp:1333
  QtQA::App::TestRunner: #55 0x00007ff4f7cb9479 in TestNamespace::QQmlVMEMetaObject::metaCall (this=0x20d9210, c=TestNamespace::QMetaObject::WriteProperty, _id=46, a=0x7fff164d3d90) at qml/qqmlvmemetaobject.cpp:849
  QtQA::App::TestRunner: #56 0x00007ff4f7ac08aa in TestNamespace::QAbstractDynamicMetaObject::metaCall (this=0x20d9210, c=TestNamespace::QMetaObject::WriteProperty, _id=46, a=0x7fff164d3d90) at /work/build/qt/qtbase/include/QtCore/5.3.1/QtCore/private/../../../../../src/corelib/kernel/qobject_p.h:428
  QtQA::App::TestRunner: #57 0x00007ff4f7cb9f1e in TestNamespace::QQmlVMEMetaObject::metaCall (this=0x20eb270, c=TestNamespace::QMetaObject::WriteProperty, _id=46, a=0x7fff164d3d90) at qml/qqmlvmemetaobject.cpp:978
  QtQA::App::TestRunner: #58 0x00007ff4f7ac08aa in TestNamespace::QAbstractDynamicMetaObject::metaCall (this=0x20eb270, c=TestNamespace::QMetaObject::WriteProperty, _id=46, a=0x7fff164d3d90) at /work/build/qt/qtbase/include/QtCore/5.3.1/QtCore/private/../../../../../src/corelib/kernel/qobject_p.h:428
  QtQA::App::TestRunner: #59 0x00007ff4f7cb9f1e in TestNamespace::QQmlVMEMetaObject::metaCall (this=0x2135220, c=TestNamespace::QMetaObject::WriteProperty, _id=46, a=0x7fff164d3d90) at qml/qqmlvmemetaobject.cpp:978
  QtQA::App::TestRunner: #60 0x00007ff4f7ac08aa in TestNamespace::QAbstractDynamicMetaObject::metaCall (this=0x2135220, c=TestNamespace::QMetaObject::WriteProperty, _id=46, a=0x7fff164d3d90) at /work/build/qt/qtbase/include/QtCore/5.3.1/QtCore/private/../../../../../src/corelib/kernel/qobject_p.h:428
  QtQA::App::TestRunner: #61 0x00007ff4f8c85e1d in TestNamespace::QMetaObject::metacall (object=0x20d8ea0, cl=TestNamespace::QMetaObject::WriteProperty, idx=46, argv=0x7fff164d3d90) at kernel/qmetaobject.cpp:306
  QtQA::App::TestRunner: #62 0x00007ff4f7cda86e in TestNamespace::QQmlPropertyPrivate::write (object=0x20d8ea0, property=..., value=..., context=0x20b8600, flags=...) at qml/qqmlproperty.cpp:1317
  QtQA::App::TestRunner: #63 0x00007ff4f7cda1e3 in TestNamespace::QQmlPropertyPrivate::writeValueProperty (object=0x20d8ea0, core=..., value=..., context=0x20b8600, flags=...) at qml/qqmlproperty.cpp:1246
  QtQA::App::TestRunner: #64 0x00007ff4f7cdc34a in TestNamespace::QQmlPropertyPrivate::writeBinding (object=0x20d8ea0, core=..., context=0x20b8600, expression=0x20bc2b0, result=..., isUndefined=false, flags=...) at qml/qqmlproperty.cpp:1578
  QtQA::App::TestRunner: #65 0x00007ff4f7d629a1 in TestNamespace::QQmlBinding::update (this=0x20bc290, flags=...) at qml/qqmlbinding.cpp:266
  QtQA::App::TestRunner: #66 0x00007ff4f7d634a2 in TestNamespace::QQmlBinding::update (this=0x20bc290) at qml/qqmlbinding_p.h:105
  QtQA::App::TestRunner: #67 0x00007ff4f7d62fb4 in TestNamespace::QQmlBinding::expressionChanged (e=0x20bc2b0) at qml/qqmlbinding.cpp:327
  QtQA::App::TestRunner: #68 0x00007ff4f7d58ff4 in TestNamespace::QQmlJavaScriptExpressionGuard_callback (e=0x216b7b8) at qml/qqmljavascriptexpression.cpp:371
  QtQA::App::TestRunner: #69 0x00007ff4f7d38849 in TestNamespace::QQmlNotifier::emitNotify (endpoint=0x216b7b8, a=0x0) at qml/qqmlnotifier.cpp:81
  QtQA::App::TestRunner: #70 0x00007ff4f7cbf532 in TestNamespace::QQmlData::signalEmitted (object=0x1fa3cd0, index=3, a=0x0) at qml/qqmlengine.cpp:720
  QtQA::App::TestRunner: #71 0x00007ff4f8cbfdfe in TestNamespace::QMetaObject::activate (sender=0x1fa3cd0, signalOffset=3, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3567
  QtQA::App::TestRunner: #72 0x00007ff4f8cbfce0 in TestNamespace::QMetaObject::activate (sender=0x1fa3cd0, m=0x7ff4fa992880, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3546
  QtQA::App::TestRunner: #73 0x00007ff4fa779ddf in TestNamespace::QTestRootObject::windowShownChanged (this=0x1fa3cd0) at .moc/quicktest.moc:189
  QtQA::App::TestRunner: #74 0x00007ff4fa77b919 in TestNamespace::QTestRootObject::setWindowShown (this=0x1fa3cd0, value=true) at quicktest.cpp:103
  QtQA::App::TestRunner: #75 0x00007ff4fa779814 in TestNamespace::quick_test_main (argc=5, argv=0x7fff164d4f18, name=0x4007af "qquickcanvasitem", sourceDir=0x400770 "/work/build/qt/qtdeclarative/tests/auto/quick/qquickcanvasitem") at quicktest.cpp:375
  QtQA::App::TestRunner: #76 0x000000000040066f in main (argc=5, argv=0x7fff164d4f18) at tst_qquickcanvasitem.cpp:42
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 1 (Thread 0x7ff4eba62700 (LWP 27042)):
  QtQA::App::TestRunner: #0  0x00007ff4f92fe128 in TestNamespace::QOpenGLContext::isValid (this=0x1f13260) at kernel/qopenglcontext.cpp:597
  QtQA::App::TestRunner: #1  0x00007ff4f855db20 in TestNamespace::GLAcquireContext::GLAcquireContext (this=0x7ff4eba61790, c=0x1f13260, s=0x400000010) at items/context2d/qquickcontext2dtexture.cpp:75
  QtQA::App::TestRunner: #2  0x00007ff4f855b426 in TestNamespace::QQuickContext2DTexture::paint (this=0x20a62e0, ccb=0x20f5dd0) at items/context2d/qquickcontext2dtexture.cpp:247
  QtQA::App::TestRunner: #3  0x00007ff4f855befd in TestNamespace::QQuickContext2DTexture::event (this=0x20a62e0, e=0x2408930) at items/context2d/qquickcontext2dtexture.cpp:366
  QtQA::App::TestRunner: #4  0x00007ff4f8c7d594 in TestNamespace::QCoreApplicationPrivate::notify_helper (this=0x1e84340, receiver=0x20a62e0, event=0x2408930) at kernel/qcoreapplication.cpp:1052
  QtQA::App::TestRunner: #5  0x00007ff4f8c7d26e in TestNamespace::QCoreApplication::notify (this=0x1e83850, receiver=0x20a62e0, event=0x2408930) at kernel/qcoreapplication.cpp:997
  QtQA::App::TestRunner: #6  0x00007ff4f92b88fe in TestNamespace::QGuiApplication::notify (this=0x1e83850, object=0x20a62e0, event=0x2408930) at kernel/qguiapplication.cpp:1467
  QtQA::App::TestRunner: #7  0x00007ff4f8c7d17a in TestNamespace::QCoreApplication::notifyInternal (this=0x1e83850, receiver=0x20a62e0, event=0x2408930) at kernel/qcoreapplication.cpp:935
  QtQA::App::TestRunner: #8  0x00007ff4f8c80f27 in TestNamespace::QCoreApplication::sendEvent (receiver=0x20a62e0, event=0x2408930) at kernel/qcoreapplication.h:237
  QtQA::App::TestRunner: #9  0x00007ff4f8c7e292 in TestNamespace::QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x2123850) at kernel/qcoreapplication.cpp:1539
  QtQA::App::TestRunner: #10 0x00007ff4f8c7de54 in TestNamespace::QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1397
  QtQA::App::TestRunner: #11 0x00007ff4f8cf5b29 in TestNamespace::postEventSourceDispatch (s=0x211d840) at kernel/qeventdispatcher_glib.cpp:279
  QtQA::App::TestRunner: #12 0x00007ff4f5969a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #13 0x00007ff4f596a258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #14 0x00007ff4f596a429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #15 0x00007ff4f8cf638d in TestNamespace::QEventDispatcherGlib::processEvents (this=0x211bcc0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #16 0x00007ff4f8c79cb0 in TestNamespace::QEventLoop::processEvents (this=0x7ff4eba61d80, flags=...) at kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #17 0x00007ff4f8c79f89 in TestNamespace::QEventLoop::exec (this=0x7ff4eba61d80, flags=...) at kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #18 0x00007ff4f8a016a4 in TestNamespace::QThread::exec (this=0x23ef3c0) at thread/qthread.cpp:511
  QtQA::App::TestRunner: #19 0x00007ff4f8a01842 in TestNamespace::QThread::run (this=0x23ef3c0) at thread/qthread.cpp:578
  QtQA::App::TestRunner: #20 0x00007ff4f8a08bec in TestNamespace::QThreadPrivate::start (arg=0x23ef3c0) at thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #21 0x00007ff4f7251efc in start_thread (arg=0x7ff4eba62700) at pthread_create.c:304
  QtQA::App::TestRunner: #22 0x00007ff4fa4acf8d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #23 0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: ================================================================================
  QtQA::App::TestRunner: test failure could be reproduced twice consecutively
  QtQA::App::TestRunner: end tst_qquickcanvasitem: 54 seconds, signal 11

  Build log: http://testresults.qt-project.org/ci/QtBase_stable_Integration/build_04010/revdep-qtdeclarative_linux-g++_developer-build_qtnamespace_qtlibinfix_Ubuntu_11.10_x64/log.txt.gz

  Tested changes (refs/builds/stable_1403273350):
    http://codereview.qt-project.org/87223 [PS1] - Initialize member variable



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