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 32543]
  QtQA::App::TestRunner: [New LWP 32544]
  QtQA::App::TestRunner: [New LWP 32545]
  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  0x00007f109cf49282 in 
TestNamespace::QV4::Managed::mark (this=0xf80470) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4managed_p.h:173
  QtQA::App::TestRunner: 173            if (vtbl->markObjects)
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 3 (Thread 0x7f10905e2700 (LWP 32545)):
  QtQA::App::TestRunner: #0  0x00007f109ee5fe23 in __GI___poll (fds=<optimized 
out>, nfds=<optimized out>, timeout=<optimized out>) at 
../sysdeps/unix/sysv/linux/poll.c:87
  QtQA::App::TestRunner: #1  0x00007f109a105f68 in ?? () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #2  0x00007f109a106429 in g_main_context_iteration () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #3  0x00007f109d6f6551 in 
TestNamespace::QEventDispatcherGlib::processEvents (this=0xea0b90, flags=...) 
at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #4  0x00007f109d67a51c in 
TestNamespace::QEventLoop::processEvents (this=0x7f10905e1d80, flags=...) at 
kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #5  0x00007f109d67a7f5 in 
TestNamespace::QEventLoop::exec (this=0x7f10905e1d80, flags=...) at 
kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #6  0x00007f109d40ec96 in TestNamespace::QThread::exec 
(this=0xf917b0) at thread/qthread.cpp:508
  QtQA::App::TestRunner: #7  0x00007f109d40ee34 in TestNamespace::QThread::run 
(this=0xf917b0) at thread/qthread.cpp:575
  QtQA::App::TestRunner: #8  0x00007f109d415f00 in 
TestNamespace::QThreadPrivate::start (arg=0xf917b0) at 
thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #9  0x00007f109b9edefc in start_thread 
(arg=0x7f10905e2700) at pthread_create.c:304
  QtQA::App::TestRunner: #10 0x00007f109ee6bf4d 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 0x7f1093bef700 (LWP 32544)):
  QtQA::App::TestRunner: #0  0x00007f109ee5fe23 in __GI___poll (fds=<optimized 
out>, nfds=<optimized out>, timeout=<optimized out>) at 
../sysdeps/unix/sysv/linux/poll.c:87
  QtQA::App::TestRunner: #1  0x00007f109a105f68 in ?? () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #2  0x00007f109a106429 in g_main_context_iteration () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #3  0x00007f109d6f6551 in 
TestNamespace::QEventDispatcherGlib::processEvents (this=0x76d6f0, flags=...) 
at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #4  0x00007f109d67a51c in 
TestNamespace::QEventLoop::processEvents (this=0x7f1093beed80, flags=...) at 
kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #5  0x00007f109d67a7f5 in 
TestNamespace::QEventLoop::exec (this=0x7f1093beed80, flags=...) at 
kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #6  0x00007f109d40ec96 in TestNamespace::QThread::exec 
(this=0x77acc0) at thread/qthread.cpp:508
  QtQA::App::TestRunner: #7  0x00007f109c758c5d in 
TestNamespace::QQmlThreadPrivate::run (this=0x77acc0) at 
qml/ftw/qqmlthread.cpp:148
  QtQA::App::TestRunner: #8  0x00007f109d415f00 in 
TestNamespace::QThreadPrivate::start (arg=0x77acc0) at 
thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #9  0x00007f109b9edefc in start_thread 
(arg=0x7f1093bef700) at pthread_create.c:304
  QtQA::App::TestRunner: #10 0x00007f109ee6bf4d 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 0x7f109f550760 (LWP 32543)):
  QtQA::App::TestRunner: #0  0x00007f109cf49282 in 
TestNamespace::QV4::Managed::mark (this=0xf80470) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4managed_p.h:173
  QtQA::App::TestRunner: #1  0x00007f109cf4930d in 
TestNamespace::QV4::Value::mark (this=0x7f109f4de950) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4value_p.h:90
  QtQA::App::TestRunner: #2  0x00007f109cf4c87d in 
TestNamespace::QQuickJSContext2DImageData::markObjects (that=0x7f109f4de8c0) at 
items/context2d/qquickcontext2d.cpp:911
  QtQA::App::TestRunner: #3  0x00007f109c498da0 in 
TestNamespace::QV4::Managed::mark (this=0x7f109f4de8c0) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4managed_p.h:174
  QtQA::App::TestRunner: #4  0x00007f109c59bffd in 
TestNamespace::QV4::MemoryManager::collectFromJSStack (this=0x784a10) at 
jsruntime/qv4mm.cpp:676
  QtQA::App::TestRunner: #5  0x00007f109c59b373 in 
TestNamespace::QV4::MemoryManager::mark (this=0x784a10) at 
jsruntime/qv4mm.cpp:366
  QtQA::App::TestRunner: #6  0x00007f109c59ba38 in 
TestNamespace::QV4::MemoryManager::runGC (this=0x784a10) at 
jsruntime/qv4mm.cpp:534
  QtQA::App::TestRunner: #7  0x00007f109c59af23 in 
TestNamespace::QV4::MemoryManager::alloc (this=0x784a10, size=208) at 
jsruntime/qv4mm.cpp:272
  QtQA::App::TestRunner: #8  0x00007f109c59ef83 in 
TestNamespace::QV4::MemoryManager::allocManaged (this=0x784a10, size=208) at 
jsruntime/qv4mm_p.h:105
  QtQA::App::TestRunner: #9  0x00007f109c59e9f5 in 
TestNamespace::QV4::Managed::operator new (size=200, mm=0x784a10) at 
jsruntime/qv4managed.cpp:76
  QtQA::App::TestRunner: #10 0x00007f109c57f829 in 
TestNamespace::QV4::ExecutionEngine::newBuiltinFunction (this=0x7846e0, 
scope=0x7816c0, name=..., code=0x7f109cf3fd16 
<TestNamespace::QQuickJSContext2DImageData::method_get_height(TestNamespace::QV4::SimpleCallContext*)>)
 at jsruntime/qv4engine.cpp:367
  QtQA::App::TestRunner: #11 0x00007f109c5ccc17 in 
TestNamespace::QV4::Object::defineAccessorProperty (this=0x7f109f4de8c0, 
name=..., getter=0x7f109cf3fd16 
<TestNamespace::QQuickJSContext2DImageData::method_get_height(TestNamespace::QV4::SimpleCallContext*)>,
 setter=0) at jsruntime/qv4object.cpp:221
  QtQA::App::TestRunner: #12 0x00007f109c5ccb4c in 
TestNamespace::QV4::Object::defineAccessorProperty (this=0x7f109f4de8c0, 
name=..., getter=0x7f109cf3fd16 
<TestNamespace::QQuickJSContext2DImageData::method_get_height(TestNamespace::QV4::SimpleCallContext*)>,
 setter=0) at jsruntime/qv4object.cpp:212
  QtQA::App::TestRunner: #13 0x00007f109cf4c7a5 in 
TestNamespace::QQuickJSContext2DImageData::QQuickJSContext2DImageData 
(this=0x7f109f4de8c0, engine=0x7846e0) at 
items/context2d/qquickcontext2d.cpp:902
  QtQA::App::TestRunner: #14 0x00007f109cf30e86 in 
TestNamespace::qt_create_image_data (w=1, h=1, engine=0x77fca0, image=...) at 
items/context2d/qquickcontext2d.cpp:938
  QtQA::App::TestRunner: #15 0x00007f109cf416e8 in 
TestNamespace::QQuickJSContext2DPrototype::method_getImageData 
(ctx=0x7fff387a0550) at items/context2d/qquickcontext2d.cpp:3298
  QtQA::App::TestRunner: #16 0x00007f109c5bbb40 in 
TestNamespace::QV4::BuiltinFunction::call (that=0x7f109f42fc70, 
callData=0x7f1092bf0cb0) at jsruntime/qv4functionobject.cpp:618
  QtQA::App::TestRunner: #17 0x00007f109c5792df in 
TestNamespace::QV4::FunctionObject::call (this=0x7f109f42fc70, 
callData=0x7f1092bf0cb0) at jsruntime/qv4functionobject_p.h:130
  QtQA::App::TestRunner: #18 0x00007f109c58d4a6 in 
TestNamespace::QV4::__qmljs_call_property (context=0x13b7fb0, name=..., 
callData=...) at jsruntime/qv4runtime.cpp:812
  QtQA::App::TestRunner: #19 0x00007f109f46b0c8 in ?? ()
  QtQA::App::TestRunner: #20 0x00000000013b8080 in ?? ()
  QtQA::App::TestRunner: #21 0x00000000013b8078 in ?? ()
  QtQA::App::TestRunner: #22 0x00007f109f4d78f0 in ?? ()
  QtQA::App::TestRunner: #23 0x00007fff387a07cc in ?? ()
  QtQA::App::TestRunner: #24 0x00007fff387a07e0 in ?? ()
  QtQA::App::TestRunner: #25 0x00007f109c585be1 in 
TestNamespace::QV4::ExecutionContext::newCallContext (this=0x7f109f46b0c8, 
function=0x7fff387a0790, callData=0x0) at jsruntime/qv4context.cpp:133
  QtQA::App::TestRunner: #26 0x00007f109c5bc7c3 in 
TestNamespace::QV4::Function::code (this=0xf8a780, ctx=0x13b7fb0, data=0x0) at 
jsruntime/qv4function_p.h:91
  QtQA::App::TestRunner: #27 0x00007f109c5baf42 in 
TestNamespace::QV4::ScriptFunction::call (that=0x7f109f4d7840, 
callData=0x7f1092bf0910) at jsruntime/qv4functionobject.cpp:480
  QtQA::App::TestRunner: #28 0x00007f109c5792df in 
TestNamespace::QV4::FunctionObject::call (this=0x7f109f4d7840, 
callData=0x7f1092bf0910) at jsruntime/qv4functionobject_p.h:130
  QtQA::App::TestRunner: #29 0x00007f109c58cf97 in 
TestNamespace::QV4::__qmljs_call_activation_property (context=0x7fff387a0a60, 
name=..., callData=...) at jsruntime/qv4runtime.cpp:788
  QtQA::App::TestRunner: #30 0x00007f109f3e5db7 in ?? ()
  QtQA::App::TestRunner: #31 0x00007fff387a1100 in ?? ()
  QtQA::App::TestRunner: #32 0x0003000000000032 in ?? ()
  QtQA::App::TestRunner: #33 0x00007f1092bf0590 in ?? ()
  QtQA::App::TestRunner: #34 0x00007f1092bf0578 in ?? ()
  QtQA::App::TestRunner: #35 0x0000800000000000 in ?? ()
  QtQA::App::TestRunner: #36 0x00007f109f4d7180 in ?? ()
  QtQA::App::TestRunner: #37 0x00007fff387a0de0 in ?? ()
  QtQA::App::TestRunner: #38 0x00007f1092bf0558 in ?? ()
  QtQA::App::TestRunner: #39 0x00007fff387a0a50 in ?? ()
  QtQA::App::TestRunner: #40 0x00007f109c5bc7c3 in 
TestNamespace::QV4::Function::code (this=0x7f1092bf0578, ctx=0x7f1092bf0590, 
data=0x3000000000032 <Address 0x3000000000032 out of bounds>) at 
jsruntime/qv4function_p.h:91
  QtQA::App::TestRunner: Backtrace stopped: frame did not save the PC
  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)
  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)
  PASS   : qquickcanvasitem::arc::test_angle_4(image threaded)
  PASS   : qquickcanvasitem::arc::test_angle_4(image immediate)
  PASS   : qquickcanvasitem::arc::test_angle_5(image threaded)
  PASS   : qquickcanvasitem::arc::test_angle_5(image immediate)
  PASS   : qquickcanvasitem::arc::test_angle_6(image threaded)
  PASS   : qquickcanvasitem::arc::test_angle_6(image immediate)
  PASS   : qquickcanvasitem::arc::test_empty(image threaded)
  PASS   : qquickcanvasitem::arc::test_empty(image immediate)
  PASS   : qquickcanvasitem::arc::test_end(image threaded)
  PASS   : qquickcanvasitem::arc::test_end(image immediate)
  PASS   : qquickcanvasitem::arc::test_negative(image threaded)
  PASS   : qquickcanvasitem::arc::test_negative(image immediate)
  PASS   : qquickcanvasitem::arc::test_nonempty(image threaded)
  PASS   : qquickcanvasitem::arc::test_nonempty(image immediate)
  PASS   : qquickcanvasitem::arc::test_nonfinite(image threaded)
  PASS   : qquickcanvasitem::arc::test_nonfinite(image immediate)
  PASS   : qquickcanvasitem::arc::test_scale_1(image threaded)
  PASS   : qquickcanvasitem::arc::test_scale_1(image immediate)
  PASS   : qquickcanvasitem::arc::test_scale_2(image threaded)
  PASS   : qquickcanvasitem::arc::test_scale_2(image immediate)
  PASS   : qquickcanvasitem::arc::test_selfintersect_1(image threaded)
  PASS   : qquickcanvasitem::arc::test_selfintersect_1(image immediate)
  PASS   : qquickcanvasitem::arc::test_selfintersect_2(image threaded)
  PASS   : qquickcanvasitem::arc::test_selfintersect_2(image immediate)
  PASS   : qquickcanvasitem::arc::test_shape_1(image threaded)
  PASS   : qquickcanvasitem::arc::test_shape_1(image immediate)
  PASS   : qquickcanvasitem::arc::test_shape_2(image threaded)
  PASS   : qquickcanvasitem::arc::test_shape_2(image immediate)
  PASS   : qquickcanvasitem::arc::test_shape_3(image threaded)
  PASS   : qquickcanvasitem::arc::test_shape_3(image immediate)
  PASS   : qquickcanvasitem::arc::test_shape_4(image threaded)
  PASS   : qquickcanvasitem::arc::test_shape_4(image immediate)
  PASS   : qquickcanvasitem::arc::test_shape_5(image threaded)
  PASS   : qquickcanvasitem::arc::test_shape_5(image immediate)
  PASS   : qquickcanvasitem::arc::test_twopie(image threaded)
  PASS   : qquickcanvasitem::arc::test_twopie(image immediate)
  PASS   : qquickcanvasitem::arc::test_zero(image threaded)
  PASS   : qquickcanvasitem::arc::test_zero(image immediate)
  PASS   : qquickcanvasitem::arc::cleanupTestCase()
  PASS   : qquickcanvasitem::arcTo::initTestCase()
  PASS   : qquickcanvasitem::arcTo::test_coincide(image threaded)
  PASS   : qquickcanvasitem::arcTo::test_coincide(image immediate)
  PASS   : qquickcanvasitem::arcTo::test_collinear(image threaded)
  PASS   : qquickcanvasitem::arcTo::test_collinear(image immediate)
  PASS   : qquickcanvasitem::arcTo::test_negative(image threaded)
  PASS   : qquickcanvasitem::arcTo::test_negative(image immediate)
  PASS   : qquickcanvasitem::arcTo::test_nonfinite(image threaded)
  PASS   : qquickcanvasitem::arcTo::test_nonfinite(image immediate)
  PASS   : qquickcanvasitem::arcTo::test_scale(image threaded)
  PASS   : qquickcanvasitem::arcTo::test_scale(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 32548]
  QtQA::App::TestRunner: [New LWP 32549]
  QtQA::App::TestRunner: [New LWP 32550]
  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  0x00007f50cf284282 in 
TestNamespace::QV4::Managed::mark (this=0x7f50bc030670) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4managed_p.h:173
  QtQA::App::TestRunner: 173            if (vtbl->markObjects)
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 3 (Thread 0x7f50c291d700 (LWP 32550)):
  QtQA::App::TestRunner: #0  0x00007f50d119ae23 in __GI___poll (fds=<optimized 
out>, nfds=<optimized out>, timeout=<optimized out>) at 
../sysdeps/unix/sysv/linux/poll.c:87
  QtQA::App::TestRunner: #1  0x00007f50cc440f68 in ?? () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #2  0x00007f50cc441429 in g_main_context_iteration () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #3  0x00007f50cfa31551 in 
TestNamespace::QEventDispatcherGlib::processEvents (this=0x2e7d1d0, flags=...) 
at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #4  0x00007f50cf9b551c in 
TestNamespace::QEventLoop::processEvents (this=0x7f50c291cd80, flags=...) at 
kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #5  0x00007f50cf9b57f5 in 
TestNamespace::QEventLoop::exec (this=0x7f50c291cd80, flags=...) at 
kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #6  0x00007f50cf749c96 in TestNamespace::QThread::exec 
(this=0x2e7afd0) at thread/qthread.cpp:508
  QtQA::App::TestRunner: #7  0x00007f50cf749e34 in TestNamespace::QThread::run 
(this=0x2e7afd0) at thread/qthread.cpp:575
  QtQA::App::TestRunner: #8  0x00007f50cf750f00 in 
TestNamespace::QThreadPrivate::start (arg=0x2e7afd0) at 
thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #9  0x00007f50cdd28efc in start_thread 
(arg=0x7f50c291d700) at pthread_create.c:304
  QtQA::App::TestRunner: #10 0x00007f50d11a6f4d 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 0x7f50c5f2a700 (LWP 32549)):
  QtQA::App::TestRunner: #0  0x00007f50d119ae23 in __GI___poll (fds=<optimized 
out>, nfds=<optimized out>, timeout=<optimized out>) at 
../sysdeps/unix/sysv/linux/poll.c:87
  QtQA::App::TestRunner: #1  0x00007f50cc440f68 in ?? () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #2  0x00007f50cc441429 in g_main_context_iteration () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #3  0x00007f50cfa31551 in 
TestNamespace::QEventDispatcherGlib::processEvents (this=0x25ee6b0, flags=...) 
at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #4  0x00007f50cf9b551c in 
TestNamespace::QEventLoop::processEvents (this=0x7f50c5f29d80, flags=...) at 
kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #5  0x00007f50cf9b57f5 in 
TestNamespace::QEventLoop::exec (this=0x7f50c5f29d80, flags=...) at 
kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #6  0x00007f50cf749c96 in TestNamespace::QThread::exec 
(this=0x25f7cc0) at thread/qthread.cpp:508
  QtQA::App::TestRunner: #7  0x00007f50cea93c5d in 
TestNamespace::QQmlThreadPrivate::run (this=0x25f7cc0) at 
qml/ftw/qqmlthread.cpp:148
  QtQA::App::TestRunner: #8  0x00007f50cf750f00 in 
TestNamespace::QThreadPrivate::start (arg=0x25f7cc0) at 
thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #9  0x00007f50cdd28efc in start_thread 
(arg=0x7f50c5f2a700) at pthread_create.c:304
  QtQA::App::TestRunner: #10 0x00007f50d11a6f4d 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 0x7f50d188b760 (LWP 32548)):
  QtQA::App::TestRunner: #0  0x00007f50cf284282 in 
TestNamespace::QV4::Managed::mark (this=0x7f50bc030670) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4managed_p.h:173
  QtQA::App::TestRunner: #1  0x00007f50cf28430d in 
TestNamespace::QV4::Value::mark (this=0x7f50d18199f0) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4value_p.h:90
  QtQA::App::TestRunner: #2  0x00007f50cf28787d in 
TestNamespace::QQuickJSContext2DImageData::markObjects (that=0x7f50d1819960) at 
items/context2d/qquickcontext2d.cpp:911
  QtQA::App::TestRunner: #3  0x00007f50ce7d3da0 in 
TestNamespace::QV4::Managed::mark (this=0x7f50d1819960) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/jsruntime/qv4managed_p.h:174
  QtQA::App::TestRunner: #4  0x00007f50ce8d6ffd in 
TestNamespace::QV4::MemoryManager::collectFromJSStack (this=0x2601b10) at 
jsruntime/qv4mm.cpp:676
  QtQA::App::TestRunner: #5  0x00007f50ce8d6373 in 
TestNamespace::QV4::MemoryManager::mark (this=0x2601b10) at 
jsruntime/qv4mm.cpp:366
  QtQA::App::TestRunner: #6  0x00007f50ce8d6a38 in 
TestNamespace::QV4::MemoryManager::runGC (this=0x2601b10) at 
jsruntime/qv4mm.cpp:534
  QtQA::App::TestRunner: #7  0x00007f50ce8d5f23 in 
TestNamespace::QV4::MemoryManager::alloc (this=0x2601b10, size=208) at 
jsruntime/qv4mm.cpp:272
  QtQA::App::TestRunner: #8  0x00007f50ce8d9f83 in 
TestNamespace::QV4::MemoryManager::allocManaged (this=0x2601b10, size=208) at 
jsruntime/qv4mm_p.h:105
  QtQA::App::TestRunner: #9  0x00007f50ce8d99f5 in 
TestNamespace::QV4::Managed::operator new (size=200, mm=0x2601b10) at 
jsruntime/qv4managed.cpp:76
  QtQA::App::TestRunner: #10 0x00007f50ce8ba829 in 
TestNamespace::QV4::ExecutionEngine::newBuiltinFunction (this=0x26017e0, 
scope=0x25fe940, name=..., code=0x7f50cf27ad16 
<TestNamespace::QQuickJSContext2DImageData::method_get_height(TestNamespace::QV4::SimpleCallContext*)>)
 at jsruntime/qv4engine.cpp:367
  QtQA::App::TestRunner: #11 0x00007f50ce907c17 in 
TestNamespace::QV4::Object::defineAccessorProperty (this=0x7f50d1819960, 
name=..., getter=0x7f50cf27ad16 
<TestNamespace::QQuickJSContext2DImageData::method_get_height(TestNamespace::QV4::SimpleCallContext*)>,
 setter=0) at jsruntime/qv4object.cpp:221
  QtQA::App::TestRunner: #12 0x00007f50ce907b4c in 
TestNamespace::QV4::Object::defineAccessorProperty (this=0x7f50d1819960, 
name=..., getter=0x7f50cf27ad16 
<TestNamespace::QQuickJSContext2DImageData::method_get_height(TestNamespace::QV4::SimpleCallContext*)>,
 setter=0) at jsruntime/qv4object.cpp:212
  QtQA::App::TestRunner: #13 0x00007f50cf2877a5 in 
TestNamespace::QQuickJSContext2DImageData::QQuickJSContext2DImageData 
(this=0x7f50d1819960, engine=0x26017e0) at 
items/context2d/qquickcontext2d.cpp:902
  QtQA::App::TestRunner: #14 0x00007f50cf26be86 in 
TestNamespace::qt_create_image_data (w=1, h=1, engine=0x25fc660, image=...) at 
items/context2d/qquickcontext2d.cpp:938
  QtQA::App::TestRunner: #15 0x00007f50cf27c6e8 in 
TestNamespace::QQuickJSContext2DPrototype::method_getImageData 
(ctx=0x7fff3838a680) at items/context2d/qquickcontext2d.cpp:3298
  QtQA::App::TestRunner: #16 0x00007f50ce8f6b40 in 
TestNamespace::QV4::BuiltinFunction::call (that=0x7f50d176ac70, 
callData=0x7f50c4f2bcb0) at jsruntime/qv4functionobject.cpp:618
  QtQA::App::TestRunner: #17 0x00007f50ce8b42df in 
TestNamespace::QV4::FunctionObject::call (this=0x7f50d176ac70, 
callData=0x7f50c4f2bcb0) at jsruntime/qv4functionobject_p.h:130
  QtQA::App::TestRunner: #18 0x00007f50ce8c84a6 in 
TestNamespace::QV4::__qmljs_call_property (context=0x7f50bc0f50d0, name=..., 
callData=...) at jsruntime/qv4runtime.cpp:812
  QtQA::App::TestRunner: #19 0x00007f50d17a60c8 in ?? ()
  QtQA::App::TestRunner: #20 0x00007f50bc0f51a0 in ?? ()
  QtQA::App::TestRunner: #21 0x00007f50bc0f5198 in ?? ()
  QtQA::App::TestRunner: #22 0x00007f50d18128f0 in ?? ()
  QtQA::App::TestRunner: #23 0x00007fff3838a8fc in ?? ()
  QtQA::App::TestRunner: #24 0x00007fff3838a910 in ?? ()
  QtQA::App::TestRunner: #25 0x00007f50ce8c0be1 in 
TestNamespace::QV4::ExecutionContext::newCallContext (this=0x7f50d17a60c8, 
function=0x7fff3838a8c0, callData=0x0) at jsruntime/qv4context.cpp:133
  QtQA::App::TestRunner: #26 0x00007f50ce8f77c3 in 
TestNamespace::QV4::Function::code (this=0x2dda2d0, ctx=0x7f50bc0f50d0, 
data=0x0) at jsruntime/qv4function_p.h:91
  QtQA::App::TestRunner: #27 0x00007f50ce8f5f42 in 
TestNamespace::QV4::ScriptFunction::call (that=0x7f50d1812840, 
callData=0x7f50c4f2b910) at jsruntime/qv4functionobject.cpp:480
  QtQA::App::TestRunner: #28 0x00007f50ce8b42df in 
TestNamespace::QV4::FunctionObject::call (this=0x7f50d1812840, 
callData=0x7f50c4f2b910) at jsruntime/qv4functionobject_p.h:130
  QtQA::App::TestRunner: #29 0x00007f50ce8c7f97 in 
TestNamespace::QV4::__qmljs_call_activation_property (context=0x7fff3838ab90, 
name=..., callData=...) at jsruntime/qv4runtime.cpp:788
  QtQA::App::TestRunner: #30 0x00007f50d1720db7 in ?? ()
  QtQA::App::TestRunner: #31 0x00007fff3838b230 in ?? ()
  QtQA::App::TestRunner: #32 0x0003000000000032 in ?? ()
  QtQA::App::TestRunner: #33 0x00007f50c4f2b590 in ?? ()
  QtQA::App::TestRunner: #34 0x00007f50c4f2b578 in ?? ()
  QtQA::App::TestRunner: #35 0x0000800000000000 in ?? ()
  QtQA::App::TestRunner: #36 0x00007f50d1812180 in ?? ()
  QtQA::App::TestRunner: #37 0x00007fff3838af10 in ?? ()
  QtQA::App::TestRunner: #38 0x00007f50c4f2b558 in ?? ()
  QtQA::App::TestRunner: #39 0x00007fff3838ab80 in ?? ()
  QtQA::App::TestRunner: #40 0x00007f50ce8f77c3 in 
TestNamespace::QV4::Function::code (this=0x7f50c4f2b578, ctx=0x7f50c4f2b590, 
data=0x3000000000032 <Address 0x3000000000032 out of bounds>) at 
jsruntime/qv4function_p.h:91
  QtQA::App::TestRunner: Backtrace stopped: frame did not save the PC
  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/QtBase_stable_Integration/build_02307/revdep-qtdeclarative_linux-g++_developer-build_qtnamespace_qtlibinfix_Ubuntu_11.10_x64/log.txt.gz

  Tested changes (refs/builds/stable_1381852246):
    http://codereview.qt-project.org/68206 [PS1] - Clean up support library 
linkage on Android
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