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Message #07655
[Bug 1222988] Re: Shell crashes when closing apps with Qt 5.1.1
** No longer affects: unity8
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https://bugs.launchpad.net/bugs/1222988
Title:
Shell crashes when closing apps with Qt 5.1.1
Status in qtbase-opensource-src package in Ubuntu:
Fix Released
Status in unity8 package in Ubuntu:
Invalid
Bug description:
Using unity8 from https://launchpad.net/~canonical-
qt5-edgers/+archive/qt5-beta-proper together with Qt 5.1.1, which
following packages:
unity8 1:7.81.3+13.10.20130905.2 -0+201309091433~302~ubuntu13.10.1
libqt5core5:armhf 5.1.1+dfsg-2ubuntu1~saucy1~test5
libqt5opengl5:armhf 5.1.1+dfsg-2ubuntu1~saucy1~test5
Qt5.1.1 based build:
http://s-jenkins:8080/job/ubuntu-touch-image-saucy-qt51/5/artifact/saucy-preinstalled-phablet-armhf.zip
Steps to reproduce:
1 - Boot the phone
2 - Open an app (e.g. browser)
3 - Get back to the shell
4 - Close the app
Stacktrace:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x4c44d460 (LWP 1575)]
0x00000000 in ?? ()
(gdb) bt full
#0 0x00000000 in ?? ()
No symbol table info available.
#1 0x40ba007c in QMetaObject::cast (this=0x40664c24 <QSGDynamicTexture::staticMetaObject>, obj=0x4f65ab60) at kernel/qmetaobject.cpp:338
m = <optimized out>
#2 0x40544460 in qobject_cast<QSGDynamicTexture*> (object=<optimized out>) at /usr/include/qt5/QtCore/qobject.h:483
No locals.
#3 QSGDefaultImageNode::preprocess (this=0x4f6696f8) at scenegraph/qsgdefaultimagenode.cpp:353
doDirty = false
alpha = <optimized out>
#4 0x405348ce in QSGRenderer::preprocess (this=0x476c2b58) at scenegraph/coreapi/qsgrenderer.cpp:391
n = 0x4f6696f8
it = {i = {i = 0x4ed81830}}
items = {q_hash = {{d = 0x47641f70, e = 0x47641f70}}}
profileFrames = <optimized out>
#5 0x405341ca in QSGRenderer::renderScene (this=this@entry=0x476c2b58, bindable=...) at scenegraph/coreapi/qsgrenderer.cpp:251
profileFrames = false
bindTime = 0
renderTime = 0
#6 0x405342e8 in QSGRenderer::renderScene (this=this@entry=0x476c2b58) at scenegraph/coreapi/qsgrenderer.cpp:231
b = warning: RTTI symbol not found for class 'QSGRenderer::renderScene()::B'
{<QSGBindable> = {_vptr.QSGBindable = 0x4065dad8 <vtable for QSGRenderer::renderScene()::B+8>}, <No data fields>}
#7 0x4053ae56 in QSGContext::renderNextFrame (this=<optimized out>, renderer=0x476c2b58, fboId=<optimized out>) at scenegraph/qsgcontext.cpp:313
No locals.
#8 0x4055e52e in QQuickWindowPrivate::renderSceneGraph (this=this@entry=0x228000, size=...) at items/qquickwindow.cpp:336
_qml_memory_scope = {pushed = false}
fboId = <optimized out>
devicePixelRatio = <optimized out>
#9 0x4054bace in QSGRenderThread::syncAndRender (this=this@entry=0x228738) at scenegraph/qsgthreadedrenderloop.cpp:595
i = 0
profileFrames = <optimized out>
syncRequested = <optimized out>
__PRETTY_FUNCTION__ = "void QSGRenderThread::syncAndRender()"
waitTimer = {t1 = 333, t2 = 574734734}
repaintRequested = <optimized out>
#10 0x4054c996 in QSGRenderThread::run (this=0x228738) at scenegraph/qsgthreadedrenderloop.cpp:666
No locals.
#11 0x40a8c86c in QThreadPrivate::start (arg=0x228738) at thread/qthread_unix.cpp:345
__clframe = {__cancel_routine = 0x40a8bff1 <QThreadPrivate::finish(void*)>, __cancel_arg = 0x228738, __do_it = 1, __cancel_type = <optimized out>}
thr = 0x228738
data = <optimized out>
objectName = {static null = {<No data fields>}, d = 0x40bfee94 <QArrayData::shared_null>}
#12 0x41a30e64 in start_thread (arg=0x4c44d460) at pthread_create.c:313
pd = 0x4c44d460
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {1279579768, 1279579232, 0, 1279577576, -1095887600, 1084803025, -1095887600, 2263032, 1279577576, 1101205059, 0 <repeats 16 times>, 536870931,
0 <repeats 37 times>}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
not_first_call = <optimized out>
pagesize_m1 = <optimized out>
sp = <optimized out>
freesize = <optimized out>
__PRETTY_FUNCTION__ = "start_thread"
#13 0x4115e758 in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96 from /lib/arm-linux-gnueabihf/libc.so.6
No locals.
#14 0x4115e758 in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96 from /lib/arm-linux-gnueabihf/libc.so.6
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