[Ci-reports] fail on QtBase_dev_Integration #6020

Qt Continuous Integration System ci-noreply at qt-project.org
Tue Mar 17 07:45:22 CET 2015


Autotest `tst_qquickwindow' failed :(

  Testing tst_qquickwindow
  *** Error in `./tst_qquickwindow': double free or corruption (out): 0x0000000001a60c10 ***
  QtQA::App::TestRunner: Process exited due to signal 6; 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 5325]
  QtQA::App::TestRunner: [New LWP 5340]
  QtQA::App::TestRunner: [New LWP 5330]
  QtQA::App::TestRunner: [New LWP 5329]
  QtQA::App::TestRunner: [New LWP 5328]
  QtQA::App::TestRunner: [New LWP 5327]
  QtQA::App::TestRunner: [New LWP 5326]
  QtQA::App::TestRunner: [Thread debugging using libthread_db enabled]
  QtQA::App::TestRunner: Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  QtQA::App::TestRunner: Core was generated by `./tst_qquickwindow -silent -o /work/ci/qt/qtbase/dev/_artifacts/test-logs/tst_q'.
  QtQA::App::TestRunner: Program terminated with signal SIGABRT, Aborted.
  QtQA::App::TestRunner: #0  0x00007fa32e7e5cc9 in __GI_raise (sig=sig at entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
  QtQA::App::TestRunner: 56	../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 7 (Thread 0x7fa325c3b700 (LWP 5326)):
  QtQA::App::TestRunner: #0  0x00007fa32e89ccbd in poll () at ../sysdeps/unix/syscall-template.S:81
  QtQA::App::TestRunner: #1  0x00007fa32ad55b72 in poll (__timeout=-1, __nfds=1, __fds=0x7fa325c3ad00) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
  QtQA::App::TestRunner: #2  _xcb_conn_wait (c=c at entry=0x11ef520, cond=cond at entry=0x11ef560, vector=vector at entry=0x0, count=count at entry=0x0) at ../../src/xcb_conn.c:447
  QtQA::App::TestRunner: #3  0x00007fa32ad5764f in xcb_wait_for_event (c=0x11ef520) at ../../src/xcb_in.c:622
  QtQA::App::TestRunner: #4  0x00007fa330a39487 in TestNamespace::QXcbEventReader::run (this=0x11fb4d0) at qxcbconnection.cpp:1048
  QtQA::App::TestRunner: #5  0x00007fa32f162b35 in TestNamespace::QThreadPrivate::start (arg=0x11fb4d0) at thread/qthread_unix.cpp:331
  QtQA::App::TestRunner: #6  0x00007fa32e0cb182 in start_thread (arg=0x7fa325c3b700) at pthread_create.c:312
  QtQA::App::TestRunner: #7  0x00007fa32e8aa00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 6 (Thread 0x7fa31ce2c700 (LWP 5327)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  QtQA::App::TestRunner: #1  0x00007fa3247a051b in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007fa32479fc69 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #3  0x00007fa32e0cb182 in start_thread (arg=0x7fa31ce2c700) at pthread_create.c:312
  QtQA::App::TestRunner: #4  0x00007fa32e8aa00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 5 (Thread 0x7fa31c62b700 (LWP 5328)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  QtQA::App::TestRunner: #1  0x00007fa3247a051b in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007fa32479fc69 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #3  0x00007fa32e0cb182 in start_thread (arg=0x7fa31c62b700) at pthread_create.c:312
  QtQA::App::TestRunner: #4  0x00007fa32e8aa00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 4 (Thread 0x7fa31be2a700 (LWP 5329)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  QtQA::App::TestRunner: #1  0x00007fa3247a051b in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007fa32479fc69 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #3  0x00007fa32e0cb182 in start_thread (arg=0x7fa31be2a700) at pthread_create.c:312
  QtQA::App::TestRunner: #4  0x00007fa32e8aa00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 3 (Thread 0x7fa31b629700 (LWP 5330)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  QtQA::App::TestRunner: #1  0x00007fa3247a051b in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007fa32479fc69 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #3  0x00007fa32e0cb182 in start_thread (arg=0x7fa31b629700) at pthread_create.c:312
  QtQA::App::TestRunner: #4  0x00007fa32e8aa00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 2 (Thread 0x7fa31a3b4700 (LWP 5340)):
  QtQA::App::TestRunner: #0  0x00007fa32e89ccbd in poll () at ../sysdeps/unix/syscall-template.S:81
  QtQA::App::TestRunner: #1  0x00007fa32cdaafe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #2  0x00007fa32cdab0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #3  0x00007fa32f453cdd in TestNamespace::QEventDispatcherGlib::processEvents (this=0x7fa314036d20, flags=...) at kernel/qeventdispatcher_glib.cpp:418
  QtQA::App::TestRunner: #4  0x00007fa32f3dbdd2 in TestNamespace::QEventLoop::processEvents (this=0x7fa31a3b3e10, flags=...) at kernel/qeventloop.cpp:128
  QtQA::App::TestRunner: #5  0x00007fa32f3dc093 in TestNamespace::QEventLoop::exec (this=0x7fa31a3b3e10, flags=...) at kernel/qeventloop.cpp:204
  QtQA::App::TestRunner: #6  0x00007fa32f15b72a in TestNamespace::QThread::exec (this=0x121caf0) at thread/qthread.cpp:503
  QtQA::App::TestRunner: #7  0x00007fa32fab77fb in TestNamespace::QQmlThreadPrivate::run (this=0x121caf0) at qml/ftw/qqmlthread.cpp:141
  QtQA::App::TestRunner: #8  0x00007fa32f162b35 in TestNamespace::QThreadPrivate::start (arg=0x121caf0) at thread/qthread_unix.cpp:331
  QtQA::App::TestRunner: #9  0x00007fa32e0cb182 in start_thread (arg=0x7fa31a3b4700) at pthread_create.c:312
  QtQA::App::TestRunner: #10 0x00007fa32e8aa00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 1 (Thread 0x7fa330b7a780 (LWP 5325)):
  QtQA::App::TestRunner: #0  0x00007fa32e7e5cc9 in __GI_raise (sig=sig at entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
  QtQA::App::TestRunner: #1  0x00007fa32e7e90d8 in __GI_abort () at abort.c:89
  QtQA::App::TestRunner: #2  0x00007fa32e822f24 in __libc_message (do_abort=do_abort at entry=1, fmt=fmt at entry=0x7fa32e9316c8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
  QtQA::App::TestRunner: #3  0x00007fa32e82f1fe in malloc_printerr (ptr=<optimized out>, str=0x7fa32e9317f8 "double free or corruption (out)", action=1) at malloc.c:4996
  QtQA::App::TestRunner: #4  _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3840
  QtQA::App::TestRunner: #5  0x00007fa32fe62b6a in TestNamespace::QPlatformWindow::~QPlatformWindow (this=0x1a60c10, __in_chrg=<optimized out>) at kernel/qplatformwindow.cpp:64
  QtQA::App::TestRunner: #6  0x00007fa32fe7ce93 in TestNamespace::QWindow::destroy (this=0x13f2ca0) at kernel/qwindow.cpp:1606
  QtQA::App::TestRunner: #7  0x00007fa32fe7d748 in TestNamespace::QWindow::event (this=0x13f2ca0, ev=0x7fffae1b7e70) at kernel/qwindow.cpp:2019
  QtQA::App::TestRunner: #8  0x00007fa33067dd9e in TestNamespace::QQuickWindow::event (this=0x13f2ca0, e=0x7fffae1b7e70) at items/qquickwindow.cpp:1406
  QtQA::App::TestRunner: #9  0x00007fa32f3df556 in TestNamespace::QCoreApplicationPrivate::notify_helper (this=0x11e1a40, receiver=0x13f2ca0, event=0x7fffae1b7e70) at kernel/qcoreapplication.cpp:1080
  QtQA::App::TestRunner: #10 0x00007fa32f3df238 in TestNamespace::QCoreApplication::notify (this=0x7fffae1b9880, receiver=0x13f2ca0, event=0x7fffae1b7e70) at kernel/qcoreapplication.cpp:1025
  QtQA::App::TestRunner: #11 0x00007fa32fe6c93e in TestNamespace::QGuiApplication::notify (this=0x7fffae1b9880, object=0x13f2ca0, event=0x7fffae1b7e70) at kernel/qguiapplication.cpp:1531
  QtQA::App::TestRunner: #12 0x00007fa32f3df142 in TestNamespace::QCoreApplication::notifyInternal (this=0x7fffae1b9880, receiver=0x13f2ca0, event=0x7fffae1b7e70) at kernel/qcoreapplication.cpp:963
  QtQA::App::TestRunner: #13 0x00007fa32fe745ad in TestNamespace::QCoreApplication::sendSpontaneousEvent (receiver=0x13f2ca0, event=0x7fffae1b7e70) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
  QtQA::App::TestRunner: #14 0x00007fa32fe6e905 in TestNamespace::QGuiApplicationPrivate::processCloseEvent (e=0x1405420) at kernel/qguiapplication.cpp:2077
  QtQA::App::TestRunner: #15 0x00007fa32fe6cba7 in TestNamespace::QGuiApplicationPrivate::processWindowSystemEvent (e=0x1405420) at kernel/qguiapplication.cpp:1615
  QtQA::App::TestRunner: #16 0x00007fa32fe55869 in TestNamespace::QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:609
  QtQA::App::TestRunner: #17 0x00007fa32fe557fe in TestNamespace::QWindowSystemInterface::flushWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:593
  QtQA::App::TestRunner: #18 0x00007fa32fe62b13 in TestNamespace::QPlatformWindow::~QPlatformWindow (this=0x1a60c10, __in_chrg=<optimized out>) at kernel/qplatformwindow.cpp:63
  QtQA::App::TestRunner: #19 0x00007fa32fe62b5e in TestNamespace::QPlatformWindow::~QPlatformWindow (this=0x1a60c10, __in_chrg=<optimized out>) at kernel/qplatformwindow.cpp:64
  QtQA::App::TestRunner: #20 0x00007fa32fe7ce93 in TestNamespace::QWindow::destroy (this=0x13f2ca0) at kernel/qwindow.cpp:1606
  QtQA::App::TestRunner: #21 0x00007fa32fe7d748 in TestNamespace::QWindow::event (this=0x13f2ca0, ev=0x7fffae1b8320) at kernel/qwindow.cpp:2019
  QtQA::App::TestRunner: #22 0x00007fa33067dd9e in TestNamespace::QQuickWindow::event (this=0x13f2ca0, e=0x7fffae1b8320) at items/qquickwindow.cpp:1406
  QtQA::App::TestRunner: #23 0x00007fa32f3df556 in TestNamespace::QCoreApplicationPrivate::notify_helper (this=0x11e1a40, receiver=0x13f2ca0, event=0x7fffae1b8320) at kernel/qcoreapplication.cpp:1080
  QtQA::App::TestRunner: #24 0x00007fa32f3df238 in TestNamespace::QCoreApplication::notify (this=0x7fffae1b9880, receiver=0x13f2ca0, event=0x7fffae1b8320) at kernel/qcoreapplication.cpp:1025
  QtQA::App::TestRunner: #25 0x00007fa32fe6c93e in TestNamespace::QGuiApplication::notify (this=0x7fffae1b9880, object=0x13f2ca0, event=0x7fffae1b8320) at kernel/qguiapplication.cpp:1531
  QtQA::App::TestRunner: #26 0x00007fa32f3df142 in TestNamespace::QCoreApplication::notifyInternal (this=0x7fffae1b9880, receiver=0x13f2ca0, event=0x7fffae1b8320) at kernel/qcoreapplication.cpp:963
  QtQA::App::TestRunner: #27 0x00007fa32fe745ad in TestNamespace::QCoreApplication::sendSpontaneousEvent (receiver=0x13f2ca0, event=0x7fffae1b8320) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
  QtQA::App::TestRunner: #28 0x00007fa32fe6e905 in TestNamespace::QGuiApplicationPrivate::processCloseEvent (e=0x18f09a0) at kernel/qguiapplication.cpp:2077
  QtQA::App::TestRunner: #29 0x00007fa32fe6cba7 in TestNamespace::QGuiApplicationPrivate::processWindowSystemEvent (e=0x18f09a0) at kernel/qguiapplication.cpp:1615
  QtQA::App::TestRunner: #30 0x00007fa32fe55869 in TestNamespace::QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:609
  QtQA::App::TestRunner: #31 0x00007fa32fe557fe in TestNamespace::QWindowSystemInterface::flushWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:593
  QtQA::App::TestRunner: #32 0x00007fa32fe62b13 in TestNamespace::QPlatformWindow::~QPlatformWindow (this=0x1a60c10, __in_chrg=<optimized out>) at kernel/qplatformwindow.cpp:63
  QtQA::App::TestRunner: #33 0x00007fa330a565e4 in TestNamespace::QXcbWindow::~QXcbWindow (this=0x1a60c00, __in_chrg=<optimized out>) at qxcbwindow.cpp:540
  QtQA::App::TestRunner: #34 0x00007fa328063be9 in TestNamespace::QXcbGlxWindow::~QXcbGlxWindow (this=0x1a60c00, __in_chrg=<optimized out>) at qxcbglxwindow.cpp:46
  QtQA::App::TestRunner: #35 0x00007fa328063c1e in TestNamespace::QXcbGlxWindow::~QXcbGlxWindow (this=0x1a60c00, __in_chrg=<optimized out>) at qxcbglxwindow.cpp:48
  QtQA::App::TestRunner: #36 0x00007fa32fe7ce93 in TestNamespace::QWindow::destroy (this=0x13f2ca0) at kernel/qwindow.cpp:1606
  QtQA::App::TestRunner: #37 0x00007fa32fe7d748 in TestNamespace::QWindow::event (this=0x13f2ca0, ev=0x7fffae1b8810) at kernel/qwindow.cpp:2019
  QtQA::App::TestRunner: #38 0x00007fa33067dd9e in TestNamespace::QQuickWindow::event (this=0x13f2ca0, e=0x7fffae1b8810) at items/qquickwindow.cpp:1406
  QtQA::App::TestRunner: #39 0x00007fa32f3df556 in TestNamespace::QCoreApplicationPrivate::notify_helper (this=0x11e1a40, receiver=0x13f2ca0, event=0x7fffae1b8810) at kernel/qcoreapplication.cpp:1080
  QtQA::App::TestRunner: #40 0x00007fa32f3df238 in TestNamespace::QCoreApplication::notify (this=0x7fffae1b9880, receiver=0x13f2ca0, event=0x7fffae1b8810) at kernel/qcoreapplication.cpp:1025
  QtQA::App::TestRunner: #41 0x00007fa32fe6c93e in TestNamespace::QGuiApplication::notify (this=0x7fffae1b9880, object=0x13f2ca0, event=0x7fffae1b8810) at kernel/qguiapplication.cpp:1531
  QtQA::App::TestRunner: #42 0x00007fa32f3df142 in TestNamespace::QCoreApplication::notifyInternal (this=0x7fffae1b9880, receiver=0x13f2ca0, event=0x7fffae1b8810) at kernel/qcoreapplication.cpp:963
  QtQA::App::TestRunner: #43 0x00007fa32fe745ad in TestNamespace::QCoreApplication::sendSpontaneousEvent (receiver=0x13f2ca0, event=0x7fffae1b8810) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
  QtQA::App::TestRunner: #44 0x00007fa32fe6e905 in TestNamespace::QGuiApplicationPrivate::processCloseEvent (e=0x1404100) at kernel/qguiapplication.cpp:2077
  QtQA::App::TestRunner: #45 0x00007fa32fe6cba7 in TestNamespace::QGuiApplicationPrivate::processWindowSystemEvent (e=0x1404100) at kernel/qguiapplication.cpp:1615
  QtQA::App::TestRunner: #46 0x00007fa32fe55869 in TestNamespace::QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:609
  QtQA::App::TestRunner: #47 0x00007fa330aa0dac in TestNamespace::userEventSourceDispatch (source=0x1217480) at eventdispatchers/qeventdispatcher_glib.cpp:70
  QtQA::App::TestRunner: #48 0x00007fa32cdaae04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #49 0x00007fa32cdab048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #50 0x00007fa32cdab0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #51 0x00007fa32f453cdd in TestNamespace::QEventDispatcherGlib::processEvents (this=0x1215a30, flags=...) at kernel/qeventdispatcher_glib.cpp:418
  QtQA::App::TestRunner: #52 0x00007fa330aa0fbe in TestNamespace::QPAEventDispatcherGlib::processEvents (this=0x1215a30, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:115
  QtQA::App::TestRunner: #53 0x00007fa32f3df685 in TestNamespace::QCoreApplication::processEvents (flags=..., maxtime=0) at kernel/qcoreapplication.cpp:1161
  QtQA::App::TestRunner: #54 0x000000000040eda1 in TestNamespace::QTest::qWait (ms=0) at /work/build/qt/qtbase/include/QtTest/../../src/testlib/qtestsystem.h:58
  QtQA::App::TestRunner: #55 0x0000000000433384 in tst_qquickwindow::blockClosing (this=0x7fffae1b9890) at tst_qquickwindow.cpp:1746
  QtQA::App::TestRunner: #56 0x000000000043a8ad in tst_qquickwindow::qt_static_metacall (_o=0x7fffae1b9890, _c=TestNamespace::QMetaObject::InvokeMetaMethod, _id=34, _a=0x7fffae1b8da0) at .moc/tst_qquickwindow.moc:501
  QtQA::App::TestRunner: #57 0x00007fa32f3eb6d1 in TestNamespace::QMetaMethod::invoke (this=0x7fffae1b8f10, object=0x7fffae1b9890, connectionType=TestNamespace::Qt::DirectConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:2184
  QtQA::App::TestRunner: #58 0x00007fa32f3eab99 in TestNamespace::QMetaObject::invokeMethod (obj=0x7fffae1b9890, member=0x12a79d0 "blockClosing", type=TestNamespace::Qt::DirectConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1479
  QtQA::App::TestRunner: #59 0x00007fa330bbe7d3 in TestNamespace::QMetaObject::invokeMethod (obj=0x7fffae1b9890, member=0x12a79d0 "blockClosing", type=TestNamespace::Qt::DirectConnection, val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs.h:408
  QtQA::App::TestRunner: #60 0x00007fa330bb95e4 in TestNamespace::QTest::qInvokeTestMethodDataEntry (slot=0x12a79d0 "blockClosing") at qtestcase.cpp:1939
  QtQA::App::TestRunner: #61 0x00007fa330bb9eb9 in TestNamespace::QTest::qInvokeTestMethod (slotName=0x16e5a18 "blockClosing()", data=0x0) at qtestcase.cpp:2067
  QtQA::App::TestRunner: #62 0x00007fa330bbac2c in TestNamespace::QTest::qInvokeTestMethods (testObject=0x7fffae1b9890) at qtestcase.cpp:2356
  QtQA::App::TestRunner: #63 0x00007fa330bbb2b1 in TestNamespace::QTest::qExec (testObject=0x7fffae1b9890, argc=6, argv=0x7fffae1b99c8) at qtestcase.cpp:2598
  QtQA::App::TestRunner: #64 0x000000000043a24b in main (argc=6, argv=0x7fffae1b99c8) at tst_qquickwindow.cpp:2157
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: ================================================================================
  QtQA::App::TestRunner: test failed, running again to see if it is flaky...
  ********* Start testing of tst_qquickwindow *********
  Config: Using QtTest library 5.6.0, Qt 5.6.0 (x86_64-little_endian-lp64 shared (dynamic) debug build; by GCC 4.8.2)
  PASS   : tst_qquickwindow::initTestCase()
  PASS   : tst_qquickwindow::openglContextCreatedSignal()
  PASS   : tst_qquickwindow::aboutToStopSignal()
  PASS   : tst_qquickwindow::constantUpdates()
  PASS   : tst_qquickwindow::constantUpdatesOnWindow(unblocked, beforeRender)
  PASS   : tst_qquickwindow::constantUpdatesOnWindow(unblocked, afterRender)
  PASS   : tst_qquickwindow::constantUpdatesOnWindow(unblocked, swapped)
  PASS   : tst_qquickwindow::mouseFiltering()
  PASS   : tst_qquickwindow::headless()
  SKIP   : tst_qquickwindow::noUpdateWhenNothingChanges() Only threaded renderloop implements this feature
     Loc: [tst_qquickwindow.cpp(1250)]
  PASS   : tst_qquickwindow::touchEvent_basic()
  PASS   : tst_qquickwindow::touchEvent_propagation(disable events)
  PASS   : tst_qquickwindow::touchEvent_propagation(disable item)
  PASS   : tst_qquickwindow::touchEvent_propagation(hide item)
  PASS   : tst_qquickwindow::touchEvent_cancel()
  PASS   : tst_qquickwindow::touchEvent_reentrant()
  PASS   : tst_qquickwindow::touchEvent_velocity()
  PASS   : tst_qquickwindow::mouseFromTouch_basic()
  PASS   : tst_qquickwindow::clearWindow()
  PASS   : tst_qquickwindow::qmlCreation()
  PASS   : tst_qquickwindow::clearColor()
  PASS   : tst_qquickwindow::defaultState()
  PASS   : tst_qquickwindow::grab(visible)
  PASS   : tst_qquickwindow::grab(invisible)
  PASS   : tst_qquickwindow::multipleWindows()
  PASS   : tst_qquickwindow::animationsWhileHidden()
  PASS   : tst_qquickwindow::focusObject()
  PASS   : tst_qquickwindow::focusReason()
  PASS   : tst_qquickwindow::ignoreUnhandledMouseEvents()
  PASS   : tst_qquickwindow::ownershipRootItem()
  PASS   : tst_qquickwindow::hideThenDelete(persistent:SG=false,GL=false)
  PASS   : tst_qquickwindow::hideThenDelete(persistent:SG=true,GL=false)
  PASS   : tst_qquickwindow::hideThenDelete(persistent:SG=false,GL=true)
  PASS   : tst_qquickwindow::hideThenDelete(persistent:SG=true,GL=true)
  PASS   : tst_qquickwindow::showHideAnimate()
  PASS   : tst_qquickwindow::testExpose()
  PASS   : tst_qquickwindow::requestActivate()
  PASS   : tst_qquickwindow::testWindowVisibilityOrder()
  *** Error in `./tst_qquickwindow': double free or corruption (out): 0x0000000001e974d0 ***
  QtQA::App::TestRunner: Process exited due to signal 6; 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 5344]
  QtQA::App::TestRunner: [New LWP 5345]
  QtQA::App::TestRunner: [New LWP 5349]
  QtQA::App::TestRunner: [New LWP 5347]
  QtQA::App::TestRunner: [New LWP 5348]
  QtQA::App::TestRunner: [New LWP 5360]
  QtQA::App::TestRunner: [New LWP 5350]
  QtQA::App::TestRunner: [Thread debugging using libthread_db enabled]
  QtQA::App::TestRunner: Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  QtQA::App::TestRunner: Core was generated by `./tst_qquickwindow -o /work/ci/qt/qtbase/dev/_artifacts/test-logs/tst_qquickwin'.
  QtQA::App::TestRunner: Program terminated with signal SIGABRT, Aborted.
  QtQA::App::TestRunner: #0  0x00007f7b029c4cc9 in __GI_raise (sig=sig at entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
  QtQA::App::TestRunner: 56	../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 7 (Thread 0x7f7aef858700 (LWP 5350)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  QtQA::App::TestRunner: #1  0x00007f7af897f51b in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007f7af897ec69 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #3  0x00007f7b022aa182 in start_thread (arg=0x7f7aef858700) at pthread_create.c:312
  QtQA::App::TestRunner: #4  0x00007f7b02a8900d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 6 (Thread 0x7f7aee5e3700 (LWP 5360)):
  QtQA::App::TestRunner: #0  0x00007f7b02a7bcbd in poll () at ../sysdeps/unix/syscall-template.S:81
  QtQA::App::TestRunner: #1  0x00007f7b00f89fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #2  0x00007f7b00f8a0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #3  0x00007f7b03632cdd in TestNamespace::QEventDispatcherGlib::processEvents (this=0x7f7ae803b770, flags=...) at kernel/qeventdispatcher_glib.cpp:418
  QtQA::App::TestRunner: #4  0x00007f7b035badd2 in TestNamespace::QEventLoop::processEvents (this=0x7f7aee5e2e10, flags=...) at kernel/qeventloop.cpp:128
  QtQA::App::TestRunner: #5  0x00007f7b035bb093 in TestNamespace::QEventLoop::exec (this=0x7f7aee5e2e10, flags=...) at kernel/qeventloop.cpp:204
  QtQA::App::TestRunner: #6  0x00007f7b0333a72a in TestNamespace::QThread::exec (this=0x1de1370) at thread/qthread.cpp:503
  QtQA::App::TestRunner: #7  0x00007f7b03c967fb in TestNamespace::QQmlThreadPrivate::run (this=0x1de1370) at qml/ftw/qqmlthread.cpp:141
  QtQA::App::TestRunner: #8  0x00007f7b03341b35 in TestNamespace::QThreadPrivate::start (arg=0x1de1370) at thread/qthread_unix.cpp:331
  QtQA::App::TestRunner: #9  0x00007f7b022aa182 in start_thread (arg=0x7f7aee5e3700) at pthread_create.c:312
  QtQA::App::TestRunner: #10 0x00007f7b02a8900d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 5 (Thread 0x7f7af085a700 (LWP 5348)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  QtQA::App::TestRunner: #1  0x00007f7af897f51b in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007f7af897ec69 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #3  0x00007f7b022aa182 in start_thread (arg=0x7f7af085a700) at pthread_create.c:312
  QtQA::App::TestRunner: #4  0x00007f7b02a8900d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 4 (Thread 0x7f7af105b700 (LWP 5347)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  QtQA::App::TestRunner: #1  0x00007f7af897f51b in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007f7af897ec69 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #3  0x00007f7b022aa182 in start_thread (arg=0x7f7af105b700) at pthread_create.c:312
  QtQA::App::TestRunner: #4  0x00007f7b02a8900d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 3 (Thread 0x7f7af0059700 (LWP 5349)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  QtQA::App::TestRunner: #1  0x00007f7af897f51b in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007f7af897ec69 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #3  0x00007f7b022aa182 in start_thread (arg=0x7f7af0059700) at pthread_create.c:312
  QtQA::App::TestRunner: #4  0x00007f7b02a8900d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 2 (Thread 0x7f7af9e1a700 (LWP 5345)):
  QtQA::App::TestRunner: #0  0x00007f7b02a7bcbd in poll () at ../sysdeps/unix/syscall-template.S:81
  QtQA::App::TestRunner: #1  0x00007f7afef34b72 in poll (__timeout=-1, __nfds=1, __fds=0x7f7af9e19d00) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
  QtQA::App::TestRunner: #2  _xcb_conn_wait (c=c at entry=0x1c51520, cond=cond at entry=0x1c51560, vector=vector at entry=0x0, count=count at entry=0x0) at ../../src/xcb_conn.c:447
  QtQA::App::TestRunner: #3  0x00007f7afef3664f in xcb_wait_for_event (c=0x1c51520) at ../../src/xcb_in.c:622
  QtQA::App::TestRunner: #4  0x00007f7b04c18487 in TestNamespace::QXcbEventReader::run (this=0x1c5d4d0) at qxcbconnection.cpp:1048
  QtQA::App::TestRunner: #5  0x00007f7b03341b35 in TestNamespace::QThreadPrivate::start (arg=0x1c5d4d0) at thread/qthread_unix.cpp:331
  QtQA::App::TestRunner: #6  0x00007f7b022aa182 in start_thread (arg=0x7f7af9e1a700) at pthread_create.c:312
  QtQA::App::TestRunner: #7  0x00007f7b02a8900d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 1 (Thread 0x7f7b04d59780 (LWP 5344)):
  QtQA::App::TestRunner: #0  0x00007f7b029c4cc9 in __GI_raise (sig=sig at entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
  QtQA::App::TestRunner: #1  0x00007f7b029c80d8 in __GI_abort () at abort.c:89
  QtQA::App::TestRunner: #2  0x00007f7b02a01f24 in __libc_message (do_abort=do_abort at entry=1, fmt=fmt at entry=0x7f7b02b106c8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
  QtQA::App::TestRunner: #3  0x00007f7b02a0e1fe in malloc_printerr (ptr=<optimized out>, str=0x7f7b02b107f8 "double free or corruption (out)", action=1) at malloc.c:4996
  QtQA::App::TestRunner: #4  _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3840
  QtQA::App::TestRunner: #5  0x00007f7b04041b6a in TestNamespace::QPlatformWindow::~QPlatformWindow (this=0x1e974d0, __in_chrg=<optimized out>) at kernel/qplatformwindow.cpp:64
  QtQA::App::TestRunner: #6  0x00007f7b0405be93 in TestNamespace::QWindow::destroy (this=0x1cf4420) at kernel/qwindow.cpp:1606
  QtQA::App::TestRunner: #7  0x00007f7b0405c748 in TestNamespace::QWindow::event (this=0x1cf4420, ev=0x7fff562581b0) at kernel/qwindow.cpp:2019
  QtQA::App::TestRunner: #8  0x00007f7b0485cd9e in TestNamespace::QQuickWindow::event (this=0x1cf4420, e=0x7fff562581b0) at items/qquickwindow.cpp:1406
  QtQA::App::TestRunner: #9  0x00007f7b035be556 in TestNamespace::QCoreApplicationPrivate::notify_helper (this=0x1c43a40, receiver=0x1cf4420, event=0x7fff562581b0) at kernel/qcoreapplication.cpp:1080
  QtQA::App::TestRunner: #10 0x00007f7b035be238 in TestNamespace::QCoreApplication::notify (this=0x7fff56259bc0, receiver=0x1cf4420, event=0x7fff562581b0) at kernel/qcoreapplication.cpp:1025
  QtQA::App::TestRunner: #11 0x00007f7b0404b93e in TestNamespace::QGuiApplication::notify (this=0x7fff56259bc0, object=0x1cf4420, event=0x7fff562581b0) at kernel/qguiapplication.cpp:1531
  QtQA::App::TestRunner: #12 0x00007f7b035be142 in TestNamespace::QCoreApplication::notifyInternal (this=0x7fff56259bc0, receiver=0x1cf4420, event=0x7fff562581b0) at kernel/qcoreapplication.cpp:963
  QtQA::App::TestRunner: #13 0x00007f7b040535ad in TestNamespace::QCoreApplication::sendSpontaneousEvent (receiver=0x1cf4420, event=0x7fff562581b0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
  QtQA::App::TestRunner: #14 0x00007f7b0404d905 in TestNamespace::QGuiApplicationPrivate::processCloseEvent (e=0x2413750) at kernel/qguiapplication.cpp:2077
  QtQA::App::TestRunner: #15 0x00007f7b0404bba7 in TestNamespace::QGuiApplicationPrivate::processWindowSystemEvent (e=0x2413750) at kernel/qguiapplication.cpp:1615
  QtQA::App::TestRunner: #16 0x00007f7b04034869 in TestNamespace::QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:609
  QtQA::App::TestRunner: #17 0x00007f7b040347fe in TestNamespace::QWindowSystemInterface::flushWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:593
  QtQA::App::TestRunner: #18 0x00007f7b04041b13 in TestNamespace::QPlatformWindow::~QPlatformWindow (this=0x1e974d0, __in_chrg=<optimized out>) at kernel/qplatformwindow.cpp:63
  QtQA::App::TestRunner: #19 0x00007f7b04041b5e in TestNamespace::QPlatformWindow::~QPlatformWindow (this=0x1e974d0, __in_chrg=<optimized out>) at kernel/qplatformwindow.cpp:64
  QtQA::App::TestRunner: #20 0x00007f7b0405be93 in TestNamespace::QWindow::destroy (this=0x1cf4420) at kernel/qwindow.cpp:1606
  QtQA::App::TestRunner: #21 0x00007f7b0405c748 in TestNamespace::QWindow::event (this=0x1cf4420, ev=0x7fff56258660) at kernel/qwindow.cpp:2019
  QtQA::App::TestRunner: #22 0x00007f7b0485cd9e in TestNamespace::QQuickWindow::event (this=0x1cf4420, e=0x7fff56258660) at items/qquickwindow.cpp:1406
  QtQA::App::TestRunner: #23 0x00007f7b035be556 in TestNamespace::QCoreApplicationPrivate::notify_helper (this=0x1c43a40, receiver=0x1cf4420, event=0x7fff56258660) at kernel/qcoreapplication.cpp:1080
  QtQA::App::TestRunner: #24 0x00007f7b035be238 in TestNamespace::QCoreApplication::notify (this=0x7fff56259bc0, receiver=0x1cf4420, event=0x7fff56258660) at kernel/qcoreapplication.cpp:1025
  QtQA::App::TestRunner: #25 0x00007f7b0404b93e in TestNamespace::QGuiApplication::notify (this=0x7fff56259bc0, object=0x1cf4420, event=0x7fff56258660) at kernel/qguiapplication.cpp:1531
  QtQA::App::TestRunner: #26 0x00007f7b035be142 in TestNamespace::QCoreApplication::notifyInternal (this=0x7fff56259bc0, receiver=0x1cf4420, event=0x7fff56258660) at kernel/qcoreapplication.cpp:963
  QtQA::App::TestRunner: #27 0x00007f7b040535ad in TestNamespace::QCoreApplication::sendSpontaneousEvent (receiver=0x1cf4420, event=0x7fff56258660) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
  QtQA::App::TestRunner: #28 0x00007f7b0404d905 in TestNamespace::QGuiApplicationPrivate::processCloseEvent (e=0x237e920) at kernel/qguiapplication.cpp:2077
  QtQA::App::TestRunner: #29 0x00007f7b0404bba7 in TestNamespace::QGuiApplicationPrivate::processWindowSystemEvent (e=0x237e920) at kernel/qguiapplication.cpp:1615
  QtQA::App::TestRunner: #30 0x00007f7b04034869 in TestNamespace::QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:609
  QtQA::App::TestRunner: #31 0x00007f7b040347fe in TestNamespace::QWindowSystemInterface::flushWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:593
  QtQA::App::TestRunner: #32 0x00007f7b04041b13 in TestNamespace::QPlatformWindow::~QPlatformWindow (this=0x1e974d0, __in_chrg=<optimized out>) at kernel/qplatformwindow.cpp:63
  QtQA::App::TestRunner: #33 0x00007f7b04c355e4 in TestNamespace::QXcbWindow::~QXcbWindow (this=0x1e974c0, __in_chrg=<optimized out>) at qxcbwindow.cpp:540
  QtQA::App::TestRunner: #34 0x00007f7afc242be9 in TestNamespace::QXcbGlxWindow::~QXcbGlxWindow (this=0x1e974c0, __in_chrg=<optimized out>) at qxcbglxwindow.cpp:46
  QtQA::App::TestRunner: #35 0x00007f7afc242c1e in TestNamespace::QXcbGlxWindow::~QXcbGlxWindow (this=0x1e974c0, __in_chrg=<optimized out>) at qxcbglxwindow.cpp:48
  QtQA::App::TestRunner: #36 0x00007f7b0405be93 in TestNamespace::QWindow::destroy (this=0x1cf4420) at kernel/qwindow.cpp:1606
  QtQA::App::TestRunner: #37 0x00007f7b0405c748 in TestNamespace::QWindow::event (this=0x1cf4420, ev=0x7fff56258b50) at kernel/qwindow.cpp:2019
  QtQA::App::TestRunner: #38 0x00007f7b0485cd9e in TestNamespace::QQuickWindow::event (this=0x1cf4420, e=0x7fff56258b50) at items/qquickwindow.cpp:1406
  QtQA::App::TestRunner: #39 0x00007f7b035be556 in TestNamespace::QCoreApplicationPrivate::notify_helper (this=0x1c43a40, receiver=0x1cf4420, event=0x7fff56258b50) at kernel/qcoreapplication.cpp:1080
  QtQA::App::TestRunner: #40 0x00007f7b035be238 in TestNamespace::QCoreApplication::notify (this=0x7fff56259bc0, receiver=0x1cf4420, event=0x7fff56258b50) at kernel/qcoreapplication.cpp:1025
  QtQA::App::TestRunner: #41 0x00007f7b0404b93e in TestNamespace::QGuiApplication::notify (this=0x7fff56259bc0, object=0x1cf4420, event=0x7fff56258b50) at kernel/qguiapplication.cpp:1531
  QtQA::App::TestRunner: #42 0x00007f7b035be142 in TestNamespace::QCoreApplication::notifyInternal (this=0x7fff56259bc0, receiver=0x1cf4420, event=0x7fff56258b50) at kernel/qcoreapplication.cpp:963
  QtQA::App::TestRunner: #43 0x00007f7b040535ad in TestNamespace::QCoreApplication::sendSpontaneousEvent (receiver=0x1cf4420, event=0x7fff56258b50) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
  QtQA::App::TestRunner: #44 0x00007f7b0404d905 in TestNamespace::QGuiApplicationPrivate::processCloseEvent (e=0x1e973f0) at kernel/qguiapplication.cpp:2077
  QtQA::App::TestRunner: #45 0x00007f7b0404bba7 in TestNamespace::QGuiApplicationPrivate::processWindowSystemEvent (e=0x1e973f0) at kernel/qguiapplication.cpp:1615
  QtQA::App::TestRunner: #46 0x00007f7b04034869 in TestNamespace::QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:609
  QtQA::App::TestRunner: #47 0x00007f7b04c7fdac in TestNamespace::userEventSourceDispatch (source=0x1c792c0) at eventdispatchers/qeventdispatcher_glib.cpp:70
  QtQA::App::TestRunner: #48 0x00007f7b00f89e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #49 0x00007f7b00f8a048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #50 0x00007f7b00f8a0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #51 0x00007f7b03632cdd in TestNamespace::QEventDispatcherGlib::processEvents (this=0x1c77870, flags=...) at kernel/qeventdispatcher_glib.cpp:418
  QtQA::App::TestRunner: #52 0x00007f7b04c7ffbe in TestNamespace::QPAEventDispatcherGlib::processEvents (this=0x1c77870, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:115
  QtQA::App::TestRunner: #53 0x00007f7b035be685 in TestNamespace::QCoreApplication::processEvents (flags=..., maxtime=0) at kernel/qcoreapplication.cpp:1161
  QtQA::App::TestRunner: #54 0x000000000040eda1 in TestNamespace::QTest::qWait (ms=0) at /work/build/qt/qtbase/include/QtTest/../../src/testlib/qtestsystem.h:58
  QtQA::App::TestRunner: #55 0x0000000000433384 in tst_qquickwindow::blockClosing (this=0x7fff56259bd0) at tst_qquickwindow.cpp:1746
  QtQA::App::TestRunner: #56 0x000000000043a8ad in tst_qquickwindow::qt_static_metacall (_o=0x7fff56259bd0, _c=TestNamespace::QMetaObject::InvokeMetaMethod, _id=34, _a=0x7fff562590e0) at .moc/tst_qquickwindow.moc:501
  QtQA::App::TestRunner: #57 0x00007f7b035ca6d1 in TestNamespace::QMetaMethod::invoke (this=0x7fff56259250, object=0x7fff56259bd0, connectionType=TestNamespace::Qt::DirectConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:2184
  QtQA::App::TestRunner: #58 0x00007f7b035c9b99 in TestNamespace::QMetaObject::invokeMethod (obj=0x7fff56259bd0, member=0x1cf6660 "blockClosing", type=TestNamespace::Qt::DirectConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1479
  QtQA::App::TestRunner: #59 0x00007f7b04d9d7d3 in TestNamespace::QMetaObject::invokeMethod (obj=0x7fff56259bd0, member=0x1cf6660 "blockClosing", type=TestNamespace::Qt::DirectConnection, val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs.h:408
  QtQA::App::TestRunner: #60 0x00007f7b04d985e4 in TestNamespace::QTest::qInvokeTestMethodDataEntry (slot=0x1cf6660 "blockClosing") at qtestcase.cpp:1939
  QtQA::App::TestRunner: #61 0x00007f7b04d98eb9 in TestNamespace::QTest::qInvokeTestMethod (slotName=0x1d5f008 "blockClosing()", data=0x0) at qtestcase.cpp:2067
  QtQA::App::TestRunner: #62 0x00007f7b04d99c2c in TestNamespace::QTest::qInvokeTestMethods (testObject=0x7fff56259bd0) at qtestcase.cpp:2356
  QtQA::App::TestRunner: #63 0x00007f7b04d9a2b1 in TestNamespace::QTest::qExec (testObject=0x7fff56259bd0, argc=5, argv=0x7fff56259d08) at qtestcase.cpp:2598
  QtQA::App::TestRunner: #64 0x000000000043a24b in main (argc=5, argv=0x7fff56259d08) at tst_qquickwindow.cpp:2157
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: ================================================================================
  QtQA::App::TestRunner: test failure could be reproduced twice consecutively
  QtQA::App::TestRunner: end tst_qquickwindow: 33 seconds, signal 6

  Build log: http://testresults.qt.io/ci/QtBase_dev_Integration/build_06020/revdep-qtdeclarative_linux-g++_developer-build_qtnamespace_qtlibinfix_Ubuntu_14.04_x64/log.txt.gz

  Tested changes (refs/builds/dev_1426571469):
    http://codereview.qt-project.org/108517 [PS2] - QWindow::destroy(): only reset QGuiApp::focus_window and friends as a last resort



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