backtrace: #0 __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:44 No locals. #1 0xb5cc55ce in raise (sig=8) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:37 _a1 = 0 _a3tmp = 8 _a1tmp = 0 _a3 = 8 _a2tmp = 358 _a2 = 358 _name = 268 _sys_result = pid = 0 #2 0xb5b73b9a in __aeabi_ldiv0 () from /lib/arm-linux-gnueabihf/libgcc_s.so.1 No symbol table info available. #3 0xb6e4ba7c in Qt3DRender::Render::GraphicsContext::applyUniformHelper<(Qt3DRender::Render::UniformType)21> (this=this@entry=0xbe270, description=..., value=...) at graphicshelpers/graphicscontext.cpp:2023 count = #4 0xb6e4bdf2 in Qt3DRender::Render::GraphicsContext::applyUniform (this=this@entry=0xbe270, description=..., v=...) at graphicshelpers/graphicscontext.cpp:1412 type = #5 0xb6e5034a in Qt3DRender::Render::GraphicsContext::setParameters (this=, parameterPack=...) at graphicshelpers/graphicscontext.cpp:1284 v = @0xb16be568: {m_data = {a = 9, s = 9, ptr = 0x3f25a0, {array = "\b\200\243\263\b\200\243\263\210\345k\261\275C\240\265", q_for_alignment_1 = -5502413544854683640, q_for_alignment_2 = -6.0674812097699381e-60}}, m_valueType = Qt3DRender::Render::UniformValue::ScalarValue, m_storedType = Qt3DRender::Render::Unknown} uniform = @0x3edc40: {m_name = {static null = {}, d = 0x3fc6d0}, m_nameId = 22, m_type = 35675, m_size = 1, m_offset = -1, m_location = 1, m_blockIndex = -1, m_arrayStride = -1, m_matrixStride = -1, m_rawByteSize = 0} __for_range = @0xb16be560: {d = 0x3edc30} __for_begin = 0x3edc40 manager = ssboIndex = shader = 0x3c2ec8 blockToUBOs = {d = 0xb5fbca24 } uboIndex = values = {{d = 0xb4323970, e = 0xb4323970}} activeUniforms = {d = 0x3edc30} allValid = blockToSSBOs = {d = 0xb5fbca24 } #6 0xb6dc6338 in Qt3DRender::Render::Renderer::executeCommandsSubmission (this=this@entry=0xbc748, rv=rv@entry=0xb4323d58) at backend/renderer.cpp:1819 localState = command = 0xb4331a50 __for_begin = 0xb4334088 allCommandsIssued = true commands = {d = 0xb4334078} globalState = 0xbd110 vao = #7 0xb6dcab40 in Qt3DRender::Render::Renderer::submitRenderViews (this=this@entry=0xbc748, renderViews=...) at backend/renderer.cpp:1375 renderView = 0xb4323d58 surfaceLock = {m_surface = 0xbefffc3c} surfaceHasChanged = i = 0 frameElapsed = __PRETTY_FUNCTION__ = "Qt3DRender::Render::Renderer::ViewSubmissionResultData Qt3DRender::Render::Renderer::submitRenderViews(const QVector&)" previousSurface = 0xbefffc3c timer = {t1 = 1553, t2 = 105376851} queueElapsed = 0 surface = lastBoundFBOId = lastUsedSurface = 0xbefffc3c resultData = {lastBoundFBOId = 2976639056, surface = 0xb5299d4f <_mesa_BindFramebuffer+42>} #8 0xb6dcb2f2 in Qt3DRender::Render::Renderer::doRender (this=0xbc748, scene3dBlocking=) at backend/renderer.cpp:660 renderViews = {d = 0x3d9e38} submissionData = {lastBoundFBOId = 0, surface = 0x0} hasCleanedQueueAndProceeded = true preprocessingComplete = true locker = {val = 772352} queueIsEmpty = false __PRETTY_FUNCTION__ = "virtual void Qt3DRender::Render::Renderer::doRender(bool)" beganDrawing = true canSubmit = queueIsComplete = true #9 0xb6e77b02 in Qt3DRender::QRenderAspectPrivate::renderSynchronous (this=, blocking=) at frontend/qrenderaspect.cpp:410 No locals. #10 0xb4434f28 in Qt3DRender::Scene3DRenderer::render (this=0xc48f0) at scene3drenderer.cpp:314 saver = {m_context = 0x949c8, m_surface = 0xbefffc3c} multisampleHasChanged = l = {val = 805149} boundingRectSize = {wd = 680, ht = 360} currentSize = {wd = 680, ht = 360} forceRecreate = #11 0xb443519c in call (arg=, o=, f=(void (Qt3DRender::Scene3DRenderer::*)(Qt3DRender::Scene3DRenderer * const)) 0xb443499d ) at qt5/qtbase/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:136 No locals. #12 call, void> (arg=, o=, f=(void (Qt3DRender::Scene3DRenderer::*)(Qt3DRender::Scene3DRenderer * const)) 0xb443499d ) at qt5/qtbase/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:169 No locals. #13 QtPrivate::QSlotObject, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (which=, this_=, r=, a=, ret=0x0) at qt5/qtbase/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398 No locals. #14 0xb5ef903e in call (a=, r=, this=0xbe058) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:378 No locals. #15 QMetaObject::activate (sender=sender@entry=0xbefffc34, signalOffset=, local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x0) at kernel/qobject.cpp:3750 obj = {d = 0xbe058} receiver = receiverInSameThread = sw = {receiver = 0xc48f0, previousSender = 0x0, currentSender = {sender = 0xbefffc34, signal = 27, ref = 1}, switched = true} c = 0xbd140 last = 0xbd140 locker = {val = 3054971336} connectionLists = {connectionLists = 0x292e0} list = 0x293e0 currentThreadId = 0xb16bf440 signal_index = 27 empty_argv = {0x0} __PRETTY_FUNCTION__ = "static void QMetaObject::activate(QObject*, int, int, void**)" #16 0xb5ef932e in QMetaObject::activate (sender=sender@entry=0xbefffc34, m=m@entry=0xb6c6ca08 , local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x0) at kernel/qobject.cpp:3629 No locals. #17 0xb6aef064 in QQuickWindow::beforeRendering (this=this@entry=0xbefffc34) at .moc/moc_qquickwindow.cpp:506 No locals. #18 0xb6af21bc in QQuickWindowPrivate::renderSceneGraph (this=this@entry=0x287c8, size=...) at items/qquickwindow.cpp:456 _qml_memory_scope = {static state = QQmlMemoryScope::Failed, pushed = false} #19 0xb6aa9910 in QSGRenderThread::syncAndRender (this=this@entry=0x94ce8) at scenegraph/qsgthreadedrenderloop.cpp:645 __PRETTY_FUNCTION__ = "void QSGRenderThread::syncAndRender()" syncRequested = current = true waitTimer = {t1 = 1553, t2 = 99322518} repaintRequested = exposeRequested = false #20 0xb6aad076 in QSGRenderThread::run (this=0x94ce8) at scenegraph/qsgthreadedrenderloop.cpp:729 __PRETTY_FUNCTION__ = "virtual void QSGRenderThread::run()" #21 0xb5d8c7bc in QThreadPrivate::start (arg=0x94ce8) at thread/qthread_unix.cpp:376 thr = 0x94ce8 __clframe = {__cancel_routine = 0xb5d8ba01 , __cancel_arg = 0x94ce8, __do_it = 1, __cancel_type = -1318324652} #22 0xb5cbef88 in start_thread (arg=0xb16bf440) at pthread_create.c:311 pd = 0xb16bf440 unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1318324648, -1318325184, 1, -1318326720, -1318326400, -1244810852, -1318324620, -1090521316, 281773910, 342591091, 0 }, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #23 0xb5b0a0fc in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6 No locals. Backtrace stopped: previous frame identical to this frame (corrupt stack?) registers: r0 0x0 0 r1 0x166 358 r2 0x8 8 r3 0xb16bf440 2976642112 r4 0xb16bf900 2976643328 r5 0x3edc4c 4119628 r6 0xb16be568 2976638312 r7 0x10c 268 r8 0x0 0 r9 0x3c2ec8 3944136 r10 0xb5fbca34 3053177396 r11 0xb5fbca34 3053177396 r12 0x10c 268 sp 0xb16be4b8 0xb16be4b8 lr 0xb5cc55cf -1244899889 pc 0xb5cc6546 0xb5cc6546 <__libc_do_syscall+6> cpsr 0x20060030 537264176 current instructions: => 0xb5cc6546 <__libc_do_syscall+6>: pop {r7, pc} 0xb5cc6548: nop.w 0xb5cc654c: nop.w 0xb5cc6550 <__fork>: b.w 0xb5cbce18 0xb5cc6554 <__pthread_mutex_cond_lock>: push {r4, r5, r6, lr} 0xb5cc6556 <__pthread_mutex_cond_lock+2>: movw r2, #383 ; 0x17f 0xb5cc655a <__pthread_mutex_cond_lock+6>: ldr r3, [r0, #12] 0xb5cc655c <__pthread_mutex_cond_lock+8>: sub sp, #8 0xb5cc655e <__pthread_mutex_cond_lock+10>: mov r4, r0 0xb5cc6560 <__pthread_mutex_cond_lock+12>: ands r2, r3 0xb5cc6562 <__pthread_mutex_cond_lock+14>: and.w r1, r3, #127 ; 0x7f 0xb5cc6566 <__pthread_mutex_cond_lock+18>: ands.w r3, r3, #124 ; 0x7c 0xb5cc656a <__pthread_mutex_cond_lock+22>: bne.n 0xb5cc6598 <__pthread_mutex_cond_lock+68> 0xb5cc656c <__pthread_mutex_cond_lock+24>: cbnz r2, 0xb5cc65be <__pthread_mutex_cond_lock+106> 0xb5cc656e <__pthread_mutex_cond_lock+26>: movs r2, #2 0xb5cc6570 <__pthread_mutex_cond_lock+28>: ldrex r3, [r4] threads backtrace: Thread 8 (Thread 0xb0e9e440 (LWP 360)): #0 __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43 #1 0xb5cc23bc in __pthread_cond_timedwait (cond=0xb4323be8, mutex=0xb4323bd0, abstime=0xb0e9dda4) at pthread_cond_timedwait.c:199 #2 0xb5d8ccb6 in wait_relative (time=30000, this=0xb4323bd0) at thread/qwaitcondition_unix.cpp:133 #3 wait (time=30000, this=0xb4323bd0) at thread/qwaitcondition_unix.cpp:141 #4 QWaitCondition::wait (this=this@entry=0xb4323ab8, mutex=mutex@entry=0x742a0, time=30000) at thread/qwaitcondition_unix.cpp:215 #5 0xb5d88c24 in QThreadPoolThread::run (this=0xb4323ab0) at thread/qthreadpool.cpp:146 #6 0xb5d8c7bc in QThreadPrivate::start (arg=0xb4323ab0) at thread/qthread_unix.cpp:376 #7 0xb5cbef88 in start_thread (arg=0xb0e9e440) at pthread_create.c:311 #8 0xb5b0a0fc in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6 Backtrace stopped: previous frame identical to this frame (corrupt stack?) Thread 7 (Thread 0xb16bf440 (LWP 358)): #0 __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:44 #1 0xb5cc55ce in raise (sig=8) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:37 #2 0xb5b73b9a in __aeabi_ldiv0 () from /lib/arm-linux-gnueabihf/libgcc_s.so.1 #3 0xb6e4ba7c in Qt3DRender::Render::GraphicsContext::applyUniformHelper<(Qt3DRender::Render::UniformType)21> (this=this@entry=0xbe270, description=..., value=...) at graphicshelpers/graphicscontext.cpp:2023 #4 0xb6e4bdf2 in Qt3DRender::Render::GraphicsContext::applyUniform (this=this@entry=0xbe270, description=..., v=...) at graphicshelpers/graphicscontext.cpp:1412 #5 0xb6e5034a in Qt3DRender::Render::GraphicsContext::setParameters (this=, parameterPack=...) at graphicshelpers/graphicscontext.cpp:1284 #6 0xb6dc6338 in Qt3DRender::Render::Renderer::executeCommandsSubmission (this=this@entry=0xbc748, rv=rv@entry=0xb4323d58) at backend/renderer.cpp:1819 #7 0xb6dcab40 in Qt3DRender::Render::Renderer::submitRenderViews (this=this@entry=0xbc748, renderViews=...) at backend/renderer.cpp:1375 #8 0xb6dcb2f2 in Qt3DRender::Render::Renderer::doRender (this=0xbc748, scene3dBlocking=) at backend/renderer.cpp:660 #9 0xb6e77b02 in Qt3DRender::QRenderAspectPrivate::renderSynchronous (this=, blocking=) at frontend/qrenderaspect.cpp:410 #10 0xb4434f28 in Qt3DRender::Scene3DRenderer::render (this=0xc48f0) at scene3drenderer.cpp:314 #11 0xb443519c in call (arg=, o=, f=(void (Qt3DRender::Scene3DRenderer::*)(Qt3DRender::Scene3DRenderer * const)) 0xb443499d ) at qt5/qtbase/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:136 #12 call, void> (arg=, o=, f=(void (Qt3DRender::Scene3DRenderer::*)(Qt3DRender::Scene3DRenderer * const)) 0xb443499d ) at qt5/qtbase/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:169 #13 QtPrivate::QSlotObject, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (which=, this_=, r=, a=, ret=0x0) at qt5/qtbase/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398 #14 0xb5ef903e in call (a=, r=, this=0xbe058) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:378 #15 QMetaObject::activate (sender=sender@entry=0xbefffc34, signalOffset=, local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x0) at kernel/qobject.cpp:3750 #16 0xb5ef932e in QMetaObject::activate (sender=sender@entry=0xbefffc34, m=m@entry=0xb6c6ca08 , local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x0) at kernel/qobject.cpp:3629 #17 0xb6aef064 in QQuickWindow::beforeRendering (this=this@entry=0xbefffc34) at .moc/moc_qquickwindow.cpp:506 #18 0xb6af21bc in QQuickWindowPrivate::renderSceneGraph (this=this@entry=0x287c8, size=...) at items/qquickwindow.cpp:456 #19 0xb6aa9910 in QSGRenderThread::syncAndRender (this=this@entry=0x94ce8) at scenegraph/qsgthreadedrenderloop.cpp:645 #20 0xb6aad076 in QSGRenderThread::run (this=0x94ce8) at scenegraph/qsgthreadedrenderloop.cpp:729 #21 0xb5d8c7bc in QThreadPrivate::start (arg=0x94ce8) at thread/qthread_unix.cpp:376 #22 0xb5cbef88 in start_thread (arg=0xb16bf440) at pthread_create.c:311 #23 0xb5b0a0fc in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6 Backtrace stopped: previous frame identical to this frame (corrupt stack?) Thread 6 (Thread 0xb1ebf440 (LWP 357)): #0 __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43 #1 0xb5cc2144 in __pthread_cond_wait (cond=0x74148, mutex=0x74130) at pthread_cond_wait.c:187 #2 0xb5d8ccc4 in wait (time=4294967295, this=0x74130) at thread/qwaitcondition_unix.cpp:143 #3 QWaitCondition::wait (this=this@entry=0x73b40, mutex=mutex@entry=0x73730, time=4294967295) at thread/qwaitcondition_unix.cpp:215 #4 0xb5d88c24 in QThreadPoolThread::run (this=0x73b38) at thread/qthreadpool.cpp:146 #5 0xb5d8c7bc in QThreadPrivate::start (arg=0x73b38) at thread/qthread_unix.cpp:376 #6 0xb5cbef88 in start_thread (arg=0xb1ebf440) at pthread_create.c:311 #7 0xb5b0a0fc in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6 Backtrace stopped: previous frame identical to this frame (corrupt stack?) Thread 5 (Thread 0xb26bf440 (LWP 356)): #0 __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43 #1 0xb5b03956 in __GI_ppoll (fds=0xb396a200, nfds=1, timeout=, sigmask=) at ../sysdeps/unix/sysv/linux/ppoll.c:56 #2 0xb5f14c32 in qt_ppoll (timeout_ts=0x0, nfds=1, fds=0xb396a200) at kernel/qcore_unix.cpp:112 #3 qt_safe_poll (fds=0xb396a200, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:133 #4 0xb5f15ea4 in QEventDispatcherUNIX::processEvents (this=, flags=...) at kernel/qeventdispatcher_unix.cpp:500 #5 0xb5ed31e8 in QEventLoop::processEvents (this=this@entry=0xb26bedf8, flags=..., flags@entry=...) at kernel/qeventloop.cpp:134 #6 0xb5ed350a in QEventLoop::exec (this=this@entry=0xb26bedf8, flags=flags@entry=...) at kernel/qeventloop.cpp:212 #7 0xb5d87882 in QThread::exec (this=) at thread/qthread.cpp:522 #8 0xb5d878fa in QThread::run (this=) at thread/qthread.cpp:589 #9 0xb5d8c7bc in QThreadPrivate::start (arg=0x72880) at thread/qthread_unix.cpp:376 #10 0xb5cbef88 in start_thread (arg=0xb26bf440) at pthread_create.c:311 #11 0xb5b0a0fc in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6 Backtrace stopped: previous frame identical to this frame (corrupt stack?) Thread 4 (Thread 0xb2ebf440 (LWP 355)): #0 __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43 #1 0xb5cc2144 in __pthread_cond_wait (cond=0xbc9d0, mutex=0xbc9b8) at pthread_cond_wait.c:187 #2 0xb5d8ccc4 in wait (time=4294967295, this=0xbc9b8) at thread/qwaitcondition_unix.cpp:143 #3 QWaitCondition::wait (this=, mutex=mutex@entry=0xbc9a8, time=time@entry=4294967295) at thread/qwaitcondition_unix.cpp:215 #4 0xb5d86748 in QSemaphore::acquire (this=this@entry=0xbc978, n=1) at thread/qsemaphore.cpp:143 #5 0xb6efb014 in Qt3DRender::Render::VSyncFrameAdvanceService::waitForNextFrame (this=) at services/vsyncframeadvanceservice.cpp:92 #6 0xb6cc3042 in Qt3DCore::QAspectManager::exec (this=0x72598) at aspects/qaspectmanager.cpp:282 #7 0xb6cc3ea8 in Qt3DCore::QAspectThread::run (this=0x72988) at aspects/qaspectthread.cpp:86 #8 0xb5d8c7bc in QThreadPrivate::start (arg=0x72988) at thread/qthread_unix.cpp:376 #9 0xb5cbef88 in start_thread (arg=0xb2ebf440) at pthread_create.c:311 #10 0xb5b0a0fc in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6 Backtrace stopped: previous frame identical to this frame (corrupt stack?) Thread 3 (Thread 0xb42ff440 (LWP 354)): #0 __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43 #1 0xb5b03956 in __GI_ppoll (fds=0xb3900510, nfds=1, timeout=, sigmask=) at ../sysdeps/unix/sysv/linux/ppoll.c:56 #2 0xb5f14c32 in qt_ppoll (timeout_ts=0x0, nfds=1, fds=0xb3900510) at kernel/qcore_unix.cpp:112 #3 qt_safe_poll (fds=0xb3900510, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:133 #4 0xb5f15ea4 in QEventDispatcherUNIX::processEvents (this=, flags=...) at kernel/qeventdispatcher_unix.cpp:500 #5 0xb5ed31e8 in QEventLoop::processEvents (this=this@entry=0xb42fedf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:134 #6 0xb5ed350a in QEventLoop::exec (this=this@entry=0xb42fedf0, flags=flags@entry=...) at kernel/qeventloop.cpp:212 #7 0xb5d87882 in QThread::exec (this=this@entry=0x29710) at thread/qthread.cpp:522 #8 0xb6517e32 in QQmlThreadPrivate::run (this=0x29710) at qml/ftw/qqmlthread.cpp:147 #9 0xb5d8c7bc in QThreadPrivate::start (arg=0x29710) at thread/qthread_unix.cpp:376 #10 0xb5cbef88 in start_thread (arg=0xb42ff440) at pthread_create.c:311 #11 0xb5b0a0fc in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6 Backtrace stopped: previous frame identical to this frame (corrupt stack?) Thread 2 (Thread 0xb4c40440 (LWP 353)): #0 __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43 #1 0xb5b03956 in __GI_ppoll (fds=0xb4300a50, nfds=2, timeout=, sigmask=) at ../sysdeps/unix/sysv/linux/ppoll.c:56 #2 0xb5f14c32 in qt_ppoll (timeout_ts=0x0, nfds=2, fds=0xb4300a50) at kernel/qcore_unix.cpp:112 #3 qt_safe_poll (fds=0xb4300a50, nfds=2, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:133 #4 0xb5f15ea4 in QEventDispatcherUNIX::processEvents (this=, flags=...) at kernel/qeventdispatcher_unix.cpp:500 #5 0xb5ed31e8 in QEventLoop::processEvents (this=this@entry=0xb4c3fca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:134 #6 0xb5ed350a in QEventLoop::exec (this=this@entry=0xb4c3fca0, flags=flags@entry=...) at kernel/qeventloop.cpp:212 #7 0xb5d87882 in QThread::exec (this=this@entry=0x377c8) at thread/qthread.cpp:522 #8 0xb59b034e in QEvdevTouchScreenHandlerThread::run (this=0x377c8) at evdevtouch/qevdevtouchhandler.cpp:812 #9 0xb5d8c7bc in QThreadPrivate::start (arg=0x377c8) at thread/qthread_unix.cpp:376 #10 0xb5cbef88 in start_thread (arg=0xb4c40440) at pthread_create.c:311 #11 0xb5b0a0fc in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6 Backtrace stopped: previous frame identical to this frame (corrupt stack?) Thread 1 (Thread 0xb59f3000 (LWP 350)): #0 __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43 #1 0xb5cc2144 in __pthread_cond_wait (cond=0x94e28, mutex=0x94e10) at pthread_cond_wait.c:187 #2 0xb5d8ccc4 in wait (time=4294967295, this=0x94e10) at thread/qwaitcondition_unix.cpp:143 #3 QWaitCondition::wait (this=, mutex=0x94d0c, time=time@entry=4294967295) at thread/qwaitcondition_unix.cpp:215 #4 0xb6aaad8a in QSGThreadedRenderLoop::polishAndSync (this=this@entry=0x218a0, w=0x94250, inExpose=inExpose@entry=false) at scenegraph/qsgthreadedrenderloop.cpp:1210 #5 0xb6aab60e in QSGThreadedRenderLoop::handleUpdateRequest (this=0x218a0, window=0xbefffc34) at scenegraph/qsgthreadedrenderloop.cpp:1035 #6 0xb6afaea4 in QQuickWindow::event (this=0xbefffc34, e=0xbefff9ac) at items/qquickwindow.cpp:1601 #7 0xb5ed499a in QCoreApplicationPrivate::notify_helper (receiver=receiver@entry=0xbefffc34, event=event@entry=0xbefff9ac) at kernel/qcoreapplication.cpp:1199 #8 0xb5ed49f4 in doNotify (receiver=receiver@entry=0xbefffc34, event=event@entry=0xbefff9ac) at kernel/qcoreapplication.cpp:1140 #9 0xb5ed4ade in QCoreApplication::notify (this=this@entry=0xbefffc2c, receiver=receiver@entry=0xbefffc34, event=event@entry=0xbefff9ac) at kernel/qcoreapplication.cpp:1126 #10 0xb669a244 in QGuiApplication::notify (this=0xbefffc2c, object=0xbefffc34, event=0xbefff9ac) at kernel/qguiapplication.cpp:1696 #11 0xb5ed4a72 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0xbefffc34, event=event@entry=0xbefff9ac) at kernel/qcoreapplication.cpp:1050 #12 0xb66a5ca6 in sendEvent (event=0xbefff9ac, receiver=0xbefffc34) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234 #13 QWindowPrivate::deliverUpdateRequest (this=this@entry=0x287c8) at kernel/qwindow.cpp:2366 #14 0xb66a60ec in QWindow::event (this=this@entry=0xbefffc34, ev=ev@entry=0xbefffad4) at kernel/qwindow.cpp:2337 #15 0xb6afaee6 in QQuickWindow::event (this=0xbefffc34, e=0xbefffad4) at items/qquickwindow.cpp:1620 #16 0xb5ed499a in QCoreApplicationPrivate::notify_helper (receiver=receiver@entry=0xbefffc34, event=event@entry=0xbefffad4) at kernel/qcoreapplication.cpp:1199 #17 0xb5ed49f4 in doNotify (receiver=receiver@entry=0xbefffc34, event=event@entry=0xbefffad4) at kernel/qcoreapplication.cpp:1140 #18 0xb5ed4ade in QCoreApplication::notify (this=this@entry=0xbefffc2c, receiver=receiver@entry=0xbefffc34, event=event@entry=0xbefffad4) at kernel/qcoreapplication.cpp:1126 #19 0xb669a244 in QGuiApplication::notify (this=0xbefffc2c, object=0xbefffc34, event=0xbefffad4) at kernel/qguiapplication.cpp:1696 #20 0xb5ed4a72 in QCoreApplication::notifyInternal2 (receiver=0xbefffc34, event=event@entry=0xbefffad4) at kernel/qcoreapplication.cpp:1050 #21 0xb5f18188 in sendEvent (event=0xbefffad4, receiver=) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234 #22 QTimerInfoList::activateTimers (this=this@entry=0x10e04) at kernel/qtimerinfo_unix.cpp:643 #23 0xb5f152c8 in QEventDispatcherUNIXPrivate::activateTimers (this=this@entry=0x10da8) at kernel/qeventdispatcher_unix.cpp:249 #24 0xb5f15fd4 in QEventDispatcherUNIX::processEvents (this=, flags=..., flags@entry=...) at kernel/qeventdispatcher_unix.cpp:514 #25 0xb5949d14 in QUnixEventDispatcherQPA::processEvents (this=, flags=...) at qunixeventdispatcher.cpp:68 #26 0xb5ed31e8 in QEventLoop::processEvents (this=this@entry=0xbefffbd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:134 #27 0xb5ed350a in QEventLoop::exec (this=this@entry=0xbefffbd0, flags=flags@entry=...) at kernel/qeventloop.cpp:212 #28 0xb5edab42 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1338 #29 0xb66968cc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1687 #30 0x00008b5c in main (argc=1, argv=) at main.cpp:65