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 31942]
  QtQA::App::TestRunner: [New LWP 31935]
  QtQA::App::TestRunner: [New LWP 31937]
  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/build/_artifacts/test-logs/tst_qquickca'.
  QtQA::App::TestRunner: Program terminated with signal 11, Segmentation fault.
  QtQA::App::TestRunner: #0  0x00007fbc7bd23dca in 
TestNamespace::QOpenGLContext::isValid (this=0x2815ea0) at 
kernel/qopenglcontext.cpp:564
  QtQA::App::TestRunner: 564        return d->platformGLContext && 
d->platformGLContext->isValid();
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 3 (Thread 0x7fbc7218c700 (LWP 31937)):
  QtQA::App::TestRunner: #0  0x00007fbc7ce44e23 in __GI___poll (fds=<optimized 
out>, nfds=<optimized out>, timeout=<optimized out>) at 
../sysdeps/unix/sysv/linux/poll.c:87
  QtQA::App::TestRunner: #1  0x00007fbc782bcf68 in ?? () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #2  0x00007fbc782bd429 in g_main_context_iteration () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #3  0x00007fbc7b747af9 in 
TestNamespace::QEventDispatcherGlib::processEvents (this=0x1abe5c0, flags=...) 
at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #4  0x00007fbc7b6cd8a4 in 
TestNamespace::QEventLoop::processEvents (this=0x7fbc7218bd80, flags=...) at 
kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #5  0x00007fbc7b6cdb7d in 
TestNamespace::QEventLoop::exec (this=0x7fbc7218bd80, flags=...) at 
kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #6  0x00007fbc7b48739c in TestNamespace::QThread::exec 
(this=0x1a55240) at thread/qthread.cpp:507
  QtQA::App::TestRunner: #7  0x00007fbc7a8777b9 in 
TestNamespace::QQmlThreadPrivate::run (this=0x1a55240) at 
qml/ftw/qqmlthread.cpp:148
  QtQA::App::TestRunner: #8  0x00007fbc7b48e215 in 
TestNamespace::QThreadPrivate::start (arg=0x1a55240) at 
thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #9  0x00007fbc79ba4efc in start_thread 
(arg=0x7fbc7218c700) at pthread_create.c:304
  QtQA::App::TestRunner: #10 0x00007fbc7ce50f4d 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 0x7fbc7d531760 (LWP 31935)):
  QtQA::App::TestRunner: #0  0x00007fbc7b460d30 in free@plt () from 
/work/build/qt/qtbase/lib/libQt5CoreTestInfix.so.5
  QtQA::App::TestRunner: #1  0x00007fbc7b51db83 in 
TestNamespace::QHashData::freeNode (this=0x2914e10, node=0x2848fa0) at 
tools/qhash.cpp:340
  QtQA::App::TestRunner: #2  0x00007fbc7b51deb2 in 
TestNamespace::QHashData::free_helper (this=0x2914e10, 
node_delete=0x7fbc7a68d1ba 
<TestNamespace::QHash<TestNamespace::QQmlJS::V4IR::BasicBlock*, 
int>::deleteNode2(TestNamespace::QHashData::Node*)>) at tools/qhash.cpp:424
  QtQA::App::TestRunner: #3  0x00007fbc7a687aa7 in 
TestNamespace::QHash<TestNamespace::QQmlJS::V4IR::BasicBlock*, int>::freeData 
(this=0x7ffff77a7288, x=0x2914e10) at 
/work/build/qt/qtbase/include/QtCore/../../src/corelib/tools/qhash.h:594
  QtQA::App::TestRunner: #4  0x00007fbc7a683598 in 
TestNamespace::QHash<TestNamespace::QQmlJS::V4IR::BasicBlock*, int>::~QHash 
(this=0x7ffff77a7288, __in_chrg=<optimized out>) at 
/work/build/qt/qtbase/include/QtCore/../../src/corelib/tools/qhash.h:301
  QtQA::App::TestRunner: #5  0x00007fbc7a680005 in (anonymous 
namespace)::DominatorTree::~DominatorTree (this=0x7ffff77a7280, 
__in_chrg=<optimized out>) at compiler/qv4ssa.cpp:202
  QtQA::App::TestRunner: #6  0x00007fbc7a67fe9b in 
TestNamespace::QQmlJS::V4IR::Optimizer::run (this=0x7ffff77a7480) at 
compiler/qv4ssa.cpp:2078
  QtQA::App::TestRunner: #7  0x00007fbc7a6442f4 in 
TestNamespace::QQmlJS::MASM::InstructionSelection::run (this=0x28b2a30, 
vmFunction=0x26aa080, function=0x26a8c30) at compiler/qv4isel_masm.cpp:663
  QtQA::App::TestRunner: #8  0x00007fbc7a667e9e in 
TestNamespace::QQmlJS::EvalInstructionSelection::vmFunction (this=0x28b2a38, 
f=0x29163f0) at compiler/qv4isel_p.cpp:111
  QtQA::App::TestRunner: #9  0x00007fbc7a646060 in 
TestNamespace::QQmlJS::MASM::InstructionSelection::initClosure (this=0x28b2a30, 
closure=0x28161a0, target=0x28161b8) at compiler/qv4isel_masm.cpp:1061
  QtQA::App::TestRunner: #10 0x00007fbc7a668314 in 
TestNamespace::QQmlJS::V4IR::IRDecoder::visitMove (this=0x28b2a30, s=0x28161d0) 
at compiler/qv4isel_p.cpp:143
  QtQA::App::TestRunner: #11 0x00007fbc7a6704e8 in 
TestNamespace::QQmlJS::V4IR::Move::accept (this=0x28161d0, v=0x28b2a30) at 
compiler/qv4jsir_p.h:582
  QtQA::App::TestRunner: #12 0x00007fbc7a6445d8 in 
TestNamespace::QQmlJS::MASM::InstructionSelection::run (this=0x28b2a30, 
vmFunction=0x0, function=0x0) at compiler/qv4isel_masm.cpp:730
  QtQA::App::TestRunner: #13 0x00007fbc7a667e9e in 
TestNamespace::QQmlJS::EvalInstructionSelection::vmFunction (this=0x28b2a38, 
f=0x26a8c30) at compiler/qv4isel_p.cpp:111
  QtQA::App::TestRunner: #14 0x00007fbc7a73e42f in 
TestNamespace::QV4::Script::parse (this=0x7ffff77a7cf0) at 
jsruntime/qv4script.cpp:183
  QtQA::App::TestRunner: #15 0x00007fbc7a863df8 in 
TestNamespace::QQmlJavaScriptExpression::evalFunction (ctxt=0x284db50, 
scope=0x26b01e0, code=..., filename=..., line=97, qmlscope=0x0) at 
qml/qqmljavascriptexpression.cpp:336
  QtQA::App::TestRunner: #16 0x00007fbc7a7818bf in 
TestNamespace::QQmlVMEMetaObject::method (this=0x26a6610, index=2) at 
qml/qqmlvmemetaobject.cpp:981
  QtQA::App::TestRunner: #17 0x00007fbc7a782611 in 
TestNamespace::QQmlVMEMetaObject::vmeMethod (this=0x26a6610, index=54) at 
qml/qqmlvmemetaobject.cpp:1155
  QtQA::App::TestRunner: #18 0x00007fbc7a758724 in 
TestNamespace::QV4::QObjectWrapper::getQmlProperty (this=0x7fbc7d4e1040, 
ctx=0x7ffff77a83e0, qmlContext=0x284db50, name=0x7fbc7d4b6100, 
revisionMode=TestNamespace::QV4::QObjectWrapper::CheckRevision, 
hasProperty=0x7ffff77a816f, includeImports=false) at 
jsruntime/qv4qobjectwrapper.cpp:335
  QtQA::App::TestRunner: #19 0x00007fbc7a758deb in 
TestNamespace::QV4::QObjectWrapper::getQmlProperty (ctx=0x7ffff77a83e0, 
qmlContext=0x284db50, object=0x26b01e0, name=0x7fbc7d4b6100, 
revisionMode=TestNamespace::QV4::QObjectWrapper::CheckRevision, 
hasProperty=0x7ffff77a816f) at jsruntime/qv4qobjectwrapper.cpp:406
  QtQA::App::TestRunner: #20 0x00007fbc7a87324e in 
TestNamespace::QV4::QmlContextWrapper::get (m=0x7fbc6fdebff0, 
name=0x7fbc7d4b6100, hasProperty=0x7ffff77a824d) at 
qml/qqmlcontextwrapper.cpp:246
  QtQA::App::TestRunner: #21 0x00007fbc7a6e6a4f in 
TestNamespace::QV4::Object::get (this=0x7fbc6fdebff0, name=0x7fbc7d4b6100, 
hasProperty=0x7ffff77a824d) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:334
  QtQA::App::TestRunner: #22 0x00007fbc7a6f28b4 in 
TestNamespace::QV4::ExecutionContext::getPropertyAndBase (this=0x7ffff77a83e0, 
name=0x7fbc7d4b6100, base=0x7ffff77a8330) at jsruntime/qv4context.cpp:510
  QtQA::App::TestRunner: #23 0x00007fbc7a6f6e9d in 
TestNamespace::QV4::__qmljs_call_activation_property (context=0x7ffff77a83e0, 
result=0x0, name=0x7fbc7d4b6100, args=0x7ffff77a8390, argc=0) at 
jsruntime/qv4runtime.cpp:765
  QtQA::App::TestRunner: #24 0x00007fbc6f59f0e1 in ?? ()
  QtQA::App::TestRunner: #25 0x00007fbc7acb5980 in ?? () from 
/work/build/qt/qtbase/lib/libQt5QmlTestInfix.so.5
  QtQA::App::TestRunner: #26 0x7ffc800000000000 in ?? ()
  QtQA::App::TestRunner: #27 0x00007ffff77aa610 in ?? ()
  QtQA::App::TestRunner: #28 0x0000007000000000 in ?? ()
  QtQA::App::TestRunner: #29 0x00000000027a85a0 in ?? ()
  QtQA::App::TestRunner: #30 0x0000000000000056 in ?? ()
  QtQA::App::TestRunner: #31 0x00007ffff77a8590 in ?? ()
  QtQA::App::TestRunner: #32 0x00007fbc7a71b62d in 
TestNamespace::QV4::ScriptFunction::call (that=0x7fbc6fdec0c0, thisObject=..., 
args=0x7fbc7a729c85, argc=32767) at jsruntime/qv4functionobject.cpp:409
  QtQA::App::TestRunner: Backtrace stopped: frame did not save the PC
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 1 (Thread 0x7fbc6fda8700 (LWP 31942)):
  QtQA::App::TestRunner: #0  0x00007fbc7bd23dca in 
TestNamespace::QOpenGLContext::isValid (this=0x2815ea0) at 
kernel/qopenglcontext.cpp:564
  QtQA::App::TestRunner: #1  0x00007fbc7b000c12 in 
TestNamespace::GLAcquireContext::GLAcquireContext (this=0x7fbc6fda7540, 
c=0x2815ea0, s=0x80000000) at items/context2d/qquickcontext2dtexture.cpp:74
  QtQA::App::TestRunner: #2  0x00007fbc7affe441 in 
TestNamespace::QQuickContext2DTexture::paint (this=0x2752d00, ccb=0x28afe40) at 
items/context2d/qquickcontext2dtexture.cpp:252
  QtQA::App::TestRunner: #3  0x00007fbc7b0485cf in 
TestNamespace::QQuickContext2DTexture::qt_static_metacall (_o=0x2752d00, 
_c=TestNamespace::QMetaObject::InvokeMetaMethod, _id=4, _a=0x26af940) at 
.moc/debug-shared/moc_qquickcontext2dtexture_p.cpp:108
  QtQA::App::TestRunner: #4  0x00007fbc7b70c539 in 
TestNamespace::QMetaCallEvent::placeMetaCall (this=0x287b9d0, object=0x2752d00) 
at kernel/qobject.cpp:479
  QtQA::App::TestRunner: #5  0x00007fbc7b70d496 in 
TestNamespace::QObject::event (this=0x2752d00, e=0x287b9d0) at 
kernel/qobject.cpp:1078
  QtQA::App::TestRunner: #6  0x00007fbc7b6d10fe in 
TestNamespace::QCoreApplicationPrivate::notify_helper (this=0x1a15290, 
receiver=0x2752d00, event=0x287b9d0) at kernel/qcoreapplication.cpp:984
  QtQA::App::TestRunner: #7  0x00007fbc7b6d0dd8 in 
TestNamespace::QCoreApplication::notify (this=0x1a13e70, receiver=0x2752d00, 
event=0x287b9d0) at kernel/qcoreapplication.cpp:929
  QtQA::App::TestRunner: #8  0x00007fbc7bce0c6a in 
TestNamespace::QGuiApplication::notify (this=0x1a13e70, object=0x2752d00, 
event=0x287b9d0) at kernel/qguiapplication.cpp:1346
  QtQA::App::TestRunner: #9  0x00007fbc7b6d0ce4 in 
TestNamespace::QCoreApplication::notifyInternal (this=0x1a13e70, 
receiver=0x2752d00, event=0x287b9d0) at kernel/qcoreapplication.cpp:867
  QtQA::App::TestRunner: #10 0x00007fbc7b6d49af in 
TestNamespace::QCoreApplication::sendEvent (receiver=0x2752d00, 
event=0x287b9d0) at kernel/qcoreapplication.h:232
  QtQA::App::TestRunner: #11 0x00007fbc7b6d1de4 in 
TestNamespace::QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, 
event_type=0, data=0x27f9010) at kernel/qcoreapplication.cpp:1471
  QtQA::App::TestRunner: #12 0x00007fbc7b6d19a5 in 
TestNamespace::QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) 
at kernel/qcoreapplication.cpp:1329
  QtQA::App::TestRunner: #13 0x00007fbc7b747294 in 
TestNamespace::postEventSourceDispatch (s=0x27504f0) at 
kernel/qeventdispatcher_glib.cpp:279
  QtQA::App::TestRunner: #14 0x00007fbc782bca5d in g_main_context_dispatch () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #15 0x00007fbc782bd258 in ?? () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #16 0x00007fbc782bd429 in g_main_context_iteration () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #17 0x00007fbc7b747af9 in 
TestNamespace::QEventDispatcherGlib::processEvents (this=0x27f82d0, flags=...) 
at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #18 0x00007fbc7b6cd8a4 in 
TestNamespace::QEventLoop::processEvents (this=0x7fbc6fda7d80, flags=...) at 
kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #19 0x00007fbc7b6cdb7d in 
TestNamespace::QEventLoop::exec (this=0x7fbc6fda7d80, flags=...) at 
kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #20 0x00007fbc7b48739c in TestNamespace::QThread::exec 
(this=0x2753060) at thread/qthread.cpp:507
  QtQA::App::TestRunner: #21 0x00007fbc7b487532 in TestNamespace::QThread::run 
(this=0x2753060) at thread/qthread.cpp:574
  QtQA::App::TestRunner: #22 0x00007fbc7b48e215 in 
TestNamespace::QThreadPrivate::start (arg=0x2753060) at 
thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #23 0x00007fbc79ba4efc in start_thread 
(arg=0x7fbc6fda8700) at pthread_create.c:304
  QtQA::App::TestRunner: #24 0x00007fbc7ce50f4d in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #25 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 5.2.0, Qt 5.2.0
  PASS   : qquickcanvasitem::arc::initTestCase()
  PASS   : qquickcanvasitem::arc::test_angle_1(image threaded)
  PASS   : qquickcanvasitem::arc::test_angle_1(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 32075]
  QtQA::App::TestRunner: [New LWP 32074]
  QtQA::App::TestRunner: [New LWP 32073]
  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/build/_artifacts/test-logs/tst_qquickcanvasitem'.
  QtQA::App::TestRunner: Program terminated with signal 11, Segmentation fault.
  QtQA::App::TestRunner: #0  0x00007f0baf7df92e in 
TestNamespace::QScopedPointer<TestNamespace::QObjectData, 
TestNamespace::QScopedPointerDeleter<TestNamespace::QObjectData> >::data 
(this=0x49) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:156
  QtQA::App::TestRunner: 156            return d;
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 3 (Thread 0x7f0bb1041760 (LWP 32073)):
  QtQA::App::TestRunner: #0  0x00007f0bae0fd28e in 
TestNamespace::QArrayData::data (this=0x3037550) at 
/work/build/qt/qtbase/include/QtCore/../../src/corelib/tools/qarraydata.h:61
  QtQA::App::TestRunner: #1  0x00007f0bae1a0966 in 
TestNamespace::QTypedArrayData<unsigned int>::data (this=0x3037550) at 
/work/build/qt/qtbase/include/QtCore/../../src/corelib/tools/qarraydata.h:207
  QtQA::App::TestRunner: #2  0x00007f0bae19e2d2 in 
TestNamespace::QTypedArrayData<unsigned int>::end (this=0x3037550) at 
/work/build/qt/qtbase/include/QtCore/../../src/corelib/tools/qarraydata.h:211
  QtQA::App::TestRunner: #3  0x00007f0bae198a38 in 
TestNamespace::QVector<unsigned int>::append (this=0x3037538, 
t=@0x7fff29991ccc) at 
/work/build/qt/qtbase/include/QtCore/../../src/corelib/tools/qvector.h:562
  QtQA::App::TestRunner: #4  0x00007f0bae193e93 in 
TestNamespace::QStack<unsigned int>::push (this=0x3037538, t=@0x7fff29991ccc) 
at /work/build/qt/qtbase/include/QtCore/../../src/corelib/tools/qstack.h:57
  QtQA::App::TestRunner: #5  0x00007f0bae187e9b in (anonymous 
namespace)::VariableRenamer::VariableRenamer (this=0x7fff29991d60, f=0x2ffeec0) 
at compiler/qv4ssa.cpp:623
  QtQA::App::TestRunner: #6  0x00007f0bae1891b9 in (anonymous 
namespace)::convertToSSA (function=0x2ffeec0, df=...) at compiler/qv4ssa.cpp:786
  QtQA::App::TestRunner: #7  0x00007f0bae18fd16 in 
TestNamespace::QQmlJS::V4IR::Optimizer::run (this=0x7fff299920c0) at 
compiler/qv4ssa.cpp:2081
  QtQA::App::TestRunner: #8  0x00007f0bae1542f4 in 
TestNamespace::QQmlJS::MASM::InstructionSelection::run (this=0x2ddb350, 
vmFunction=0x3097f40, function=0x3000c10) at compiler/qv4isel_masm.cpp:663
  QtQA::App::TestRunner: #9  0x00007f0bae177e9e in 
TestNamespace::QQmlJS::EvalInstructionSelection::vmFunction (this=0x2ddb358, 
f=0x2ffeec0) at compiler/qv4isel_p.cpp:111
  QtQA::App::TestRunner: #10 0x00007f0bae156060 in 
TestNamespace::QQmlJS::MASM::InstructionSelection::initClosure (this=0x2ddb350, 
closure=0x2f982e0, target=0x2f982f8) at compiler/qv4isel_masm.cpp:1061
  QtQA::App::TestRunner: #11 0x00007f0bae178314 in 
TestNamespace::QQmlJS::V4IR::IRDecoder::visitMove (this=0x2ddb350, s=0x2f98310) 
at compiler/qv4isel_p.cpp:143
  QtQA::App::TestRunner: #12 0x00007f0bae1804e8 in 
TestNamespace::QQmlJS::V4IR::Move::accept (this=0x2f98310, v=0x2ddb350) at 
compiler/qv4jsir_p.h:582
  QtQA::App::TestRunner: #13 0x00007f0bae1545d8 in 
TestNamespace::QQmlJS::MASM::InstructionSelection::run (this=0x2ddb350, 
vmFunction=0x0, function=0x0) at compiler/qv4isel_masm.cpp:730
  QtQA::App::TestRunner: #14 0x00007f0bae177e9e in 
TestNamespace::QQmlJS::EvalInstructionSelection::vmFunction (this=0x2ddb358, 
f=0x3000c10) at compiler/qv4isel_p.cpp:111
  QtQA::App::TestRunner: #15 0x00007f0bae24e42f in 
TestNamespace::QV4::Script::parse (this=0x7fff29992930) at 
jsruntime/qv4script.cpp:183
  QtQA::App::TestRunner: #16 0x00007f0bae373df8 in 
TestNamespace::QQmlJavaScriptExpression::evalFunction (ctxt=0x2f79dc0, 
scope=0x2e2eb10, code=..., filename=..., line=97, qmlscope=0x0) at 
qml/qqmljavascriptexpression.cpp:336
  QtQA::App::TestRunner: #17 0x00007f0bae2918bf in 
TestNamespace::QQmlVMEMetaObject::method (this=0x2ed0580, index=2) at 
qml/qqmlvmemetaobject.cpp:981
  QtQA::App::TestRunner: #18 0x00007f0bae292611 in 
TestNamespace::QQmlVMEMetaObject::vmeMethod (this=0x2ed0580, index=54) at 
qml/qqmlvmemetaobject.cpp:1155
  QtQA::App::TestRunner: #19 0x00007f0bae268724 in 
TestNamespace::QV4::QObjectWrapper::getQmlProperty (this=0x7f0bb0ff1040, 
ctx=0x7fff29993020, qmlContext=0x2f79dc0, name=0x7f0bb0fc6100, 
revisionMode=TestNamespace::QV4::QObjectWrapper::CheckRevision, 
hasProperty=0x7fff29992daf, includeImports=false) at 
jsruntime/qv4qobjectwrapper.cpp:335
  QtQA::App::TestRunner: #20 0x00007f0bae268deb in 
TestNamespace::QV4::QObjectWrapper::getQmlProperty (ctx=0x7fff29993020, 
qmlContext=0x2f79dc0, object=0x2e2eb10, name=0x7f0bb0fc6100, 
revisionMode=TestNamespace::QV4::QObjectWrapper::CheckRevision, 
hasProperty=0x7fff29992daf) at jsruntime/qv4qobjectwrapper.cpp:406
  QtQA::App::TestRunner: #21 0x00007f0bae38324e in 
TestNamespace::QV4::QmlContextWrapper::get (m=0x7f0ba38fbff0, 
name=0x7f0bb0fc6100, hasProperty=0x7fff29992e8d) at 
qml/qqmlcontextwrapper.cpp:246
  QtQA::App::TestRunner: #22 0x00007f0bae1f6a4f in 
TestNamespace::QV4::Object::get (this=0x7f0ba38fbff0, name=0x7f0bb0fc6100, 
hasProperty=0x7fff29992e8d) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4object_p.h:334
  QtQA::App::TestRunner: #23 0x00007f0bae2028b4 in 
TestNamespace::QV4::ExecutionContext::getPropertyAndBase (this=0x7fff29993020, 
name=0x7f0bb0fc6100, base=0x7fff29992f70) at jsruntime/qv4context.cpp:510
  QtQA::App::TestRunner: #24 0x00007f0bae206e9d in 
TestNamespace::QV4::__qmljs_call_activation_property (context=0x7fff29993020, 
result=0x0, name=0x7f0bb0fc6100, args=0x7fff29992fd0, argc=0) at 
jsruntime/qv4runtime.cpp:765
  QtQA::App::TestRunner: #25 0x00007f0ba30af0e1 in ?? ()
  QtQA::App::TestRunner: #26 0x00007f0bae7c5980 in ?? () from 
/work/build/qt/qtbase/lib/libQt5QmlTestInfix.so.5
  QtQA::App::TestRunner: #27 0x7ffc800000000000 in ?? ()
  QtQA::App::TestRunner: #28 0x00007fff29995250 in ?? ()
  QtQA::App::TestRunner: #29 0x0000007000000000 in ?? ()
  QtQA::App::TestRunner: #30 0x0000000003107ed0 in ?? ()
  QtQA::App::TestRunner: #31 0x0000000000000056 in ?? ()
  QtQA::App::TestRunner: #32 0x00007fff299931d0 in ?? ()
  QtQA::App::TestRunner: #33 0x00007f0bae22b62d in 
TestNamespace::QV4::ScriptFunction::call (that=0x7f0ba38fc0c0, thisObject=..., 
args=0x7f0bae239c85, argc=32767) at jsruntime/qv4functionobject.cpp:409
  QtQA::App::TestRunner: Backtrace stopped: frame did not save the PC
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 2 (Thread 0x7f0ba5c9c700 (LWP 32074)):
  QtQA::App::TestRunner: #0  0x00007f0bb0954e23 in __GI___poll (fds=<optimized 
out>, nfds=<optimized out>, timeout=<optimized out>) at 
../sysdeps/unix/sysv/linux/poll.c:87
  QtQA::App::TestRunner: #1  0x00007f0babdccf68 in ?? () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #2  0x00007f0babdcd429 in g_main_context_iteration () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #3  0x00007f0baf257af9 in 
TestNamespace::QEventDispatcherGlib::processEvents (this=0x22405c0, flags=...) 
at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #4  0x00007f0baf1dd8a4 in 
TestNamespace::QEventLoop::processEvents (this=0x7f0ba5c9bd80, flags=...) at 
kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #5  0x00007f0baf1ddb7d in 
TestNamespace::QEventLoop::exec (this=0x7f0ba5c9bd80, flags=...) at 
kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #6  0x00007f0baef9739c in TestNamespace::QThread::exec 
(this=0x21f0610) at thread/qthread.cpp:507
  QtQA::App::TestRunner: #7  0x00007f0bae3877b9 in 
TestNamespace::QQmlThreadPrivate::run (this=0x21f0610) at 
qml/ftw/qqmlthread.cpp:148
  QtQA::App::TestRunner: #8  0x00007f0baef9e215 in 
TestNamespace::QThreadPrivate::start (arg=0x21f0610) at 
thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #9  0x00007f0bad6b4efc in start_thread 
(arg=0x7f0ba5c9c700) at pthread_create.c:304
  QtQA::App::TestRunner: #10 0x00007f0bb0960f4d 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 1 (Thread 0x7f0ba38b8700 (LWP 32075)):
  QtQA::App::TestRunner: #0  0x00007f0baf7df92e in 
TestNamespace::QScopedPointer<TestNamespace::QObjectData, 
TestNamespace::QScopedPointerDeleter<TestNamespace::QObjectData> >::data 
(this=0x49) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:156
  QtQA::App::TestRunner: #1  0x00007f0baf8357e5 in 
TestNamespace::qGetPtrHelper<TestNamespace::QScopedPointer<TestNamespace::QObjectData>
 > (p=...) at ../../include/QtCore/../../src/corelib/global/qglobal.h:889
  QtQA::App::TestRunner: #2  0x00007f0baf835a98 in 
TestNamespace::QOpenGLContext::d_func (this=0x41) at kernel/qopenglcontext.h:145
  QtQA::App::TestRunner: #3  0x00007f0baf833dc2 in 
TestNamespace::QOpenGLContext::isValid (this=0x41) at 
kernel/qopenglcontext.cpp:563
  QtQA::App::TestRunner: #4  0x00007f0baeb10c12 in 
TestNamespace::GLAcquireContext::GLAcquireContext (this=0x7f0ba38b7540, c=0x41, 
s=0x80000000) at items/context2d/qquickcontext2dtexture.cpp:74
  QtQA::App::TestRunner: #5  0x00007f0baeb0e441 in 
TestNamespace::QQuickContext2DTexture::paint (this=0x2f80660, ccb=0x30943c0) at 
items/context2d/qquickcontext2dtexture.cpp:252
  QtQA::App::TestRunner: #6  0x00007f0baeb585cf in 
TestNamespace::QQuickContext2DTexture::qt_static_metacall (_o=0x2f80660, 
_c=TestNamespace::QMetaObject::InvokeMetaMethod, _id=4, _a=0x2dd88f0) at 
.moc/debug-shared/moc_qquickcontext2dtexture_p.cpp:108
  QtQA::App::TestRunner: #7  0x00007f0baf21c539 in 
TestNamespace::QMetaCallEvent::placeMetaCall (this=0x2e2b960, object=0x2f80660) 
at kernel/qobject.cpp:479
  QtQA::App::TestRunner: #8  0x00007f0baf21d496 in 
TestNamespace::QObject::event (this=0x2f80660, e=0x2e2b960) at 
kernel/qobject.cpp:1078
  QtQA::App::TestRunner: #9  0x00007f0baf1e10fe in 
TestNamespace::QCoreApplicationPrivate::notify_helper (this=0x2197290, 
receiver=0x2f80660, event=0x2e2b960) at kernel/qcoreapplication.cpp:984
  QtQA::App::TestRunner: #10 0x00007f0baf1e0dd8 in 
TestNamespace::QCoreApplication::notify (this=0x2195e70, receiver=0x2f80660, 
event=0x2e2b960) at kernel/qcoreapplication.cpp:929
  QtQA::App::TestRunner: #11 0x00007f0baf7f0c6a in 
TestNamespace::QGuiApplication::notify (this=0x2195e70, object=0x2f80660, 
event=0x2e2b960) at kernel/qguiapplication.cpp:1346
  QtQA::App::TestRunner: #12 0x00007f0baf1e0ce4 in 
TestNamespace::QCoreApplication::notifyInternal (this=0x2195e70, 
receiver=0x2f80660, event=0x2e2b960) at kernel/qcoreapplication.cpp:867
  QtQA::App::TestRunner: #13 0x00007f0baf1e49af in 
TestNamespace::QCoreApplication::sendEvent (receiver=0x2f80660, 
event=0x2e2b960) at kernel/qcoreapplication.h:232
  QtQA::App::TestRunner: #14 0x00007f0baf1e1de4 in 
TestNamespace::QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, 
event_type=0, data=0x3031cf0) at kernel/qcoreapplication.cpp:1471
  QtQA::App::TestRunner: #15 0x00007f0baf1e19a5 in 
TestNamespace::QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) 
at kernel/qcoreapplication.cpp:1329
  QtQA::App::TestRunner: #16 0x00007f0baf257294 in 
TestNamespace::postEventSourceDispatch (s=0x2f79590) at 
kernel/qeventdispatcher_glib.cpp:279
  QtQA::App::TestRunner: #17 0x00007f0babdcca5d in g_main_context_dispatch () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #18 0x00007f0babdcd258 in ?? () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #19 0x00007f0babdcd429 in g_main_context_iteration () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #20 0x00007f0baf257af9 in 
TestNamespace::QEventDispatcherGlib::processEvents (this=0x31062f0, flags=...) 
at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #21 0x00007f0baf1dd8a4 in 
TestNamespace::QEventLoop::processEvents (this=0x7f0ba38b7d80, flags=...) at 
kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #22 0x00007f0baf1ddb7d in 
TestNamespace::QEventLoop::exec (this=0x7f0ba38b7d80, flags=...) at 
kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #23 0x00007f0baef9739c in TestNamespace::QThread::exec 
(this=0x3031ae0) at thread/qthread.cpp:507
  QtQA::App::TestRunner: #24 0x00007f0baef97532 in TestNamespace::QThread::run 
(this=0x3031ae0) at thread/qthread.cpp:574
  QtQA::App::TestRunner: #25 0x00007f0baef9e215 in 
TestNamespace::QThreadPrivate::start (arg=0x3031ae0) at 
thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #26 0x00007f0bad6b4efc in start_thread 
(arg=0x7f0ba38b8700) at pthread_create.c:304
  QtQA::App::TestRunner: #27 0x00007f0bb0960f4d in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #28 0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: 
================================================================================
  QtQA::App::TestRunner: test failure could be reproduced twice consecutively
  QtQA::App::TestRunner: end tst_qquickcanvasitem: 44 seconds, signal 11

  Build log: 
http://testresults.qt-project.org/ci/QtDeclarative_dev_Integration/build_00650/linux-g++_developer-build_qtnamespace_qtlibinfix_Ubuntu_11.10_x64/log.txt.gz

  Tested changes (refs/builds/dev_1376921624):
    http://codereview.qt-project.org/62900 [PS10] - Add linear scan register 
allocation.
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