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[Launchpad Bug Tracker <1539558@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package ubuntu-ui-toolkit -
1.3.1872+16.04.20160308-0ubuntu1

---------------
ubuntu-ui-toolkit (1.3.1872+16.04.20160308-0ubuntu1) xenial; urgency=medium

  [ Timo Jyrinki ]
  * Fix gles unit test skipping.
  * Add s390x to the unit test skipping architectures
  * UITK test plan - wily -> xenial. Fixes LP: #1544490

  [ Christian Dywan ]
  * Print errors when QuickUtils fails to create a component.
  * unit tests shouldn't use deprecated Dialog.callera
  * Correctly count only test case results. The result= value is used in suites
    and results.
  * Skip tst_pagehead_visible flakes on non-arm. Fixes LP: #1534651
  * Skip flaky tst_mousefilterTest::doubleClicked. Fixes LP: #1542215
  * Suppress click signal if releasing outside of ListItem. Fixes LP: #1541148.
  * Use gdb in runtest.sh to produce backtraces.
  * Arrow keys change value of a Slider. Fixes LP: #1523824.
  * Only use Maliit when enabled explicitly in the environment

  [ Oliver Tilloy ]
  * Do not try to assign to non-existent property "activeFocusOnPress".
    Fixes LP: #1532953
  * Bubble up ESC key press event if there is no popover to close.
    Fixes LP: #1546627

  [ Loïc Molinari ]
  * Added private items and nodes for the new component styles.
    Fixes LP: #1523836
  * Made use of new private Frame item for the focusing.
  * Fixed performance monitor crash because of a NULL timer pointer dereference.
    Fixes LP: #1546986
  * Fixed performance monitor dangling pointer crash. Fixes LP: #1546984
  * [ProportionalShape] Ensured width/height ratio is correct with default values.
    Fixes LP: #1546546
  * Added a workaround to prevent a crash while changing the QPA scale factor.

  [ Florian Boucault ]
  * Always on performance monitor that logs frames that too long to render.
  * MainView: proceed to selecting the theme automatically at startup too.
    Fixes LP: #1535819
  * MainView: when no gradient color is needed for the background, rely on
    QQuickWindow's GL clear color. Lessens overdraw considerably for most
    apps. Fixes LP: #1439133.
  * Panel: MathUtils used without import prefix was leading to undefined
    reference.
  * Label: use native rendering on low dpi screens (GRID_UNIT_PX <= 10) for
    sharper looking text.
  * Gallery: added palette browser to Colors page.

  [ Tim Peeters ]
  * Support scrolling in ListViews with horizontal orientation to the
    qquicklistview CPO.
  * Add background to AppHeader and remove contents clipping from MainView.
    Fixes LP: #1531016, LP: #1531457.
  * Hide AppHeader when using AdaptivePageLayout. Fixes bug 1531871.
    Fixes LP: #1531871.
  * Implement horizontal flicking in the flickable autopilot CPO.
  * Re-order to list of pages in the gallery to be alphabetical.
  * Fix the autopilot failures introduced with the horizontal scrolling in
    the Flickable CPO.
  * Update documentation for MainView, Page, AdaptivePageLayout to use the new
    PageHeader in all examples. Deprecate old properties. Fixes LP: #1540574
  * Add 'animate' property to new internal AppHeaderBase, and do not show a
    header animation when starting an app without header.
    Fixes LP: #1518002, LP: #1524901.
  * Use the correct string for skipping tests on x86_64 .
  * Sections scrolling and keyboard navigation. Fixes LP: #1465048, LP: #1489591
  * Fix autopilot color button failure.

  [ Zoltán Balogh ]
  * Create a click packaging project for the UITK Component Gallery.
  * Improve the test plan executor script.

  [ Andrea Bernabei ]
  * Refer to SlotsLayout.Last instead of SlotsLayout.End in SlotsLayout
    documentation. Fixes LP: #1536170.
  * Update "Import Statement:" in docs of Ubuntu.Components. Currently
    Developer's website shows "import Ubuntu.Components 1.2" and "since
    Ubuntu.Components 1.3" and that is confusing for all app developers.
    Fixes LP: #1531817.
  * Fix ListItemLayout multiline labels positioning and add docs about
    aliasing labels properties
  * UbuntuTestCase flick(): default events delay to 1. Fixes LP: #1549256.
  * Add Scrollbar and ScrollView tests plus implementation fixes.

  [ Benjamin Zeller ]
  * Fix Bug lp:1535241 "AdaptivePageLayout first example is badly broken".
    Fixes LP: #1535241.
  * The click project file is should not be part of the UITK project.
  * Move MainViewBase to C++.
  * Move tree.js to C++.
  * Do not leak the incubator pointer in case a QML engine never took care of
    it. Delete the object directly.
  * Move PageWrapper.qml to C++ for 1.3.
  * Add Ubuntu toolkit shared library
  * Move ColorUtils to UbuntuToolkit.
  * Fixes LP: #1540642
  * Make sure objects are initialized with extra properties before they are
    instantiated in the QML engine.
  * Use QQmlProperty::write() instead of QObject::writeProperty()

  [ Zsombor Egri ]
  * Update Palette values for Ubuntu.Components 1.3 and apply the palette on
    components. First set of visual updates including ListItem, Text inputs,
    CheckBox, Switch, Slider, PageHeader, ActionBar and BottomEdge.
    Fixes LP: #1350915.
  * Contextual Actions - shortcut (and mnemonics) handling must obey
    active/inactive contexts, such as Page activation as well as Popups and
    Dialogs. Fixes LP: #1514856.
  * Attach default theme to the QML Engine it creates. Fixes LP: #1527546
  * Palette fix. Update components to use the palette. Fixes LP: #1495477
  * Disable rendering performance logs for the unit tests.
  * Specify message severity for the performance logging category.
  * Link singletons used as context properties in root context of the QML
    Engine to the engine instance. Fixes LP: #1539558.
  * Specify message severity for the performance logging category.
  * Expose Icon.asynchronous property to drive image loading of the icon.
    Fixes LP: #1535480.
  * Redo InverseMosueArea tests to not to use shared view for all the tests.
    Fixes LP: #1544455
  * Get singletons report fatal error in case the parent is null upon first
    creation. Adjust failing test cases. Fixes LP: #1542309
  * Deprecated Theme forces palette to be loaded from 1.2 themes.
    Fixes LP: #1549830
  * Introduce AdaptivePageLayout.asynchronous to the API. Fixes LP: #1540449
  * AbstractButton handles 4x4GU minimal sensing area, exposes sensingMargins
    to extend sensing area even further. Fixes LP:#1468645, LP: #1508114

  [ Albert Astals Cid ]
  * Have a default pixelsPerInch value. Otherwise when running unity8 tests
    under xvfb we get the wrong parameters warning and tests fail.

  [ Robert Ancell ]
  * Fix documentation typo - Ubunut -> Ubuntu.
  * Use new QML package name for qml-module-qtfeedback, drop old QML
    package names.
  * Fix examples using OptionSelectorDelegate that place it in the Toolkit
    namespace but don't have the import to match.

  [ Colin Watson ]
  * Make src/Ubuntu/Test depend on src/Ubuntu/Components, to fix build with
    high parallelisation.

  [ Pierre Bertet on 2016-02-17
  * ComboButton: not based on Button anymore + style update.

  [ CI Train Bot ]
  * No-change rebuild.

 -- Zoltan Balogh <zoltan.balogh@xxxxxxxxxxxxx>  Tue, 08 Mar 2016
06:45:42 +0000

** Changed in: ubuntu-ui-toolkit (Ubuntu)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1539558

Title:
  segfault in tst_subtheming on xenial

Status in ubuntu-ui-toolkit package in Ubuntu:
  Fix Released

Bug description:
  Program received signal SIGSEGV, Segmentation fault.  
  0x00007fdef2592280 in QV4::Value::operator= (v=<optimized out>, this=0x7fded67ff0) at jsruntime/qv4value_p.h:390
  390     jsruntime/qv4value_p.h: No such file or directory.
  (gdb) bt
  #0  0x00007fdef2592280 in QV4::Value::operator= (v=<optimized out>, this=0x7fded67ff0) at jsruntime/qv4value_p.h:390
  #1  QV4::ScopedProperty::ScopedProperty (scope=<synthetic pointer>, this=<synthetic pointer>) at jsruntime/qv4scopedvalue_p.h:436
  #2  QV4::Object::insertMember (attributes=..., v=..., s=0x2061440, this=0x7fded67ff0d0) at jsruntime/qv4object_p.h:202
  #3  QV4::Object::defineReadonlyProperty (this=0x7fded67ff0d0, name=0x2061440, value=...) at jsruntime/qv4object.cpp:184
  #4  0x00007fdef25a1fed in QV4::Heap::StringObject::StringObject (this=<optimized out>, engine=0x2061140, val=...)
      at jsruntime/qv4stringobject.cpp:91
  #5  0x00007fdef2548e25 in QV4::MemoryManager::alloc<QV4::StringObject, QV4::ExecutionEngine*, QV4::Value> (arg2=..., 
      arg1=0x2061140, this=<optimized out>) at jsruntime/qv4mm_p.h:126
  #6  QV4::ExecutionEngine::newStringObject (this=0x2061140, value=...) at jsruntime/qv4engine.cpp:557
  #7  0x00007fdef25e474e in QV4::Runtime::callProperty (engine=0x2061140, nameIndex=<optimized out>, callData=0x7fded67ff078)
      at jsruntime/qv4runtime.cpp:969
  #8  0x00007fdee891347b in ?? ()
  #9  0x00007fded67ff070 in ?? ()
  #10 0x00007fded67ff070 in ?? ()
  #11 0x000000000284d930 in ?? ()
  #12 0x00007fded67ff068 in ?? ()
  #13 0x0000000002061140 in ?? ()
  #14 0x00007fded67ff060 in ?? ()
  #15 0x00007fded67ff058 in ?? ()
  #16 0x00007fded67ff060 in ?? ()
  #17 0x0000000002061140 in ?? ()
  #18 0x00007fdef2584fba in QV4::SimpleScriptFunction::call (that=<optimized out>, callData=<optimized out>)
      at jsruntime/qv4functionobject.cpp:565
  #19 0x00007fdef266e07f in QV4::Object::call (d=0x7fded67ff008, this=<optimized out>)
      at ../../include/QtQml/5.5.1/QtQml/private/../../../../../src/qml/jsruntime/qv4object_p.h:305
  #20 QQmlJavaScriptExpression::evaluate (this=this@entry=0x229f5c0, context=<optimized out>, function=..., 
      callData=callData@entry=0x7fded67ff008, isUndefined=isUndefined@entry=0x7ffd919818ec) at qml/qqmljavascriptexpression.cpp:158
  #21 0x00007fdef266e5ad in QQmlJavaScriptExpression::evaluate (this=this@entry=0x229f5c0, context=<optimized out>, function=..., 
      isUndefined=isUndefined@entry=0x7ffd919818ec) at qml/qqmljavascriptexpression.cpp:116
  #22 0x00007fdef267510c in QQmlBinding::update (this=0x229f5a0, flags=...) at qml/qqmlbinding.cpp:194
  #23 0x00007fdef267e6f6 in QQmlAbstractBinding::setEnabled (f=..., e=true, this=0x229f5d8)
      at ../../include/QtQml/5.5.1/QtQml/private/../../../../../src/qml/qml/qqmlabstractbinding_p.h:110
  #24 QQmlObjectCreator::finalize (this=0x228dbd0, interrupt=...) at qml/qqmlobjectcreator.cpp:1194
  #25 0x00007fdef260911e in QQmlComponentPrivate::complete (enginePriv=0x27f2b40, state=0x26a2060) at qml/qqmlcomponent.cpp:928
  #26 0x00007fdef26091e7 in QQmlComponentPrivate::completeCreate (this=0x26a1fc0) at qml/qqmlcomponent.cpp:964
  #27 0x00007fdef31cc1e6 in UCStyledItemBasePrivate::loadStyleItem(bool) ()
     from /usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/libUbuntuComponents.so
  #28 0x00007fdef31f15d6 in UCAbstractButtonPrivate::completeComponentInitialization() ()
     from /usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/libUbuntuComponents.so
  #29 0x00007fdef267e7c2 in QQmlObjectCreator::finalize (this=0x272c540, interrupt=...) at qml/qqmlobjectcreator.cpp:1207
  #30 0x00007fdef260911e in QQmlComponentPrivate::complete (enginePriv=0x27f2b40, state=0x2058f00) at qml/qqmlcomponent.cpp:928
  #31 0x00007fdef26091e7 in QQmlComponentPrivate::completeCreate (this=0x2058e60) at qml/qqmlcomponent.cpp:964
  #32 0x00007fdef2609050 in QQmlComponent::create (this=0x26d7f20, context=0x1ff2490) at qml/qqmlcomponent.cpp:791
  #33 0x00007fdef2f66c3d in QQuickView::continueExecute (this=this@entry=0x1eceed0) at items/qquickview.cpp:476
  #34 0x00007fdef2f6737d in QQuickViewPrivate::execute (this=0x22a0990) at items/qquickview.cpp:124
  #35 0x00007fdef353c5d2 in UbuntuTestCase::UbuntuTestCase(QString const&, QQuickView::ResizeMode, bool, QWindow*) ()
     from /usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Test/libUbuntuTest.so
  #36 0x000000000040efca in ThemeTestCase::ThemeTestCase (parent=0x0, assertOnFailure=true, file=..., this=0x1eceed0)
      at tst_subtheming.cpp:36
  #37 tst_Subtheming::test_default_theme_cleared_with_engine_bug1527546 (this=<optimized out>) at tst_subtheming.cpp:146
  #38 0x00000000004086d5 in tst_Subtheming::qt_static_metacall (_o=0x7ffd91982eb0, _id=<optimized out>, _a=<optimized out>, 
      _c=<optimized out>) at .moc/tst_subtheming.moc:350
  #39 0x00007fdef21690aa in QMetaMethod::invoke (this=this@entry=0x7ffd919825c8, object=object@entry=0x7ffd91982eb0, 
      connectionType=Qt::DirectConnection, connectionType@entry=2442667600, returnValue=..., val0=..., val1=..., val2=..., val3=..., 
      val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:2212
  #40 0x00007fdef216e7fd in QMetaObject::invokeMethod (obj=0x7ffd91982eb0, 
      member=member@entry=0x1ecf040 "test_default_theme_cleared_with_engine_bug1527546", type=2442667600, 
      type@entry=Qt::DirectConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., 
      val8=..., val9=...) at kernel/qmetaobject.cpp:1479
  #41 0x00007fdef34f508c in QMetaObject::invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., 
      val2=..., val1=..., val0=..., type=Qt::DirectConnection, member=0x1ecf040 "test_default_theme_cleared_with_engine_bug1527546", 
      obj=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs.h:409
  #42 QTest::qInvokeTestMethodDataEntry (slot=0x1ecf040 "test_default_theme_cleared_with_engine_bug1527546") at qtestcase.cpp:1953
  #43 QTest::qInvokeTestMethod (slotName=0x1ec9998 "test_default_theme_cleared_with_engine_bug1527546()", data=data@entry=0x0)
      at qtestcase.cpp:2082
  #44 0x00007fdef34f5bb8 in QTest::qInvokeTestMethods (testObject=0x7ffd91982eb0) at qtestcase.cpp:2390
  #45 QTest::qExec (testObject=testObject@entry=0x7ffd91982eb0, argc=<optimized out>, argv=argv@entry=0x7ffd91982fd8)
      at qtestcase.cpp:2652
  #46 0x000000000040744b in main (argc=1, argv=0x7ffd91982fd8) at tst_subtheming.cpp:887

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