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List:       amarok-bugs-dist
Subject:    [amarok] [Bug 422132] If you go from dynamic playlists to local collection amarok will crash
From:       "robert marshall" <bugzilla_noreply () kde ! org>
Date:       2020-05-30 18:00:35
Message-ID: bug-422132-71684-uZSyxrAowU () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=422132

--- Comment #2 from robert marshall <robert@capuchin.co.uk> ---
I've installed libqt5core5a-dbgsym using the instructions from here
https://askubuntu.com/questions/904451/what-happened-to-the-qtbase5-dbg-package-in-zesty
(instructions are hard to find for a current ubuntu release - or even
moderately current :( ) 
I'm getting (in gdb)
#0  tcache_get (tc_idx=<optimised out>) at malloc.c:2937
#1  __GI___libc_malloc (bytes=8) at malloc.c:3051
#2  0x00007ffff5f3ec29 in operator new(unsigned long) () at
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
#3  0x00007ffff2eb7627 in KStartupInfoId::KStartupInfoId() ()
    at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#4  0x00007ffff2eb7688 in KStartupInfo::currentStartupIdEnv() ()
    at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#5  0x00007ffff2eb77c3 in KStartupInfo::startupId() () at
/usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#6  0x00007ffff73d789a in KCrash::defaultCrashHandler(int) () at
/usr/lib/x86_64-linux-gnu/libKF5Crash.so.5
#7  0x00007ffff5ce6210 in <signal handler called> () at
/lib/x86_64-linux-gnu/libc.so.6
#8  tcache_get (tc_idx=<optimised out>) at malloc.c:2937
#9  __GI___libc_malloc (bytes=24) at malloc.c:3051
#10 0x00007ffff5f3ec29 in operator new(unsigned long) () at
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
#11 0x00007ffff6182cab in QEasingCurve::QEasingCurve(QEasingCurve::Type)
    (this=0x55555681c868, type=QEasingCurve::Linear) at
tools/qeasingcurve.cpp:1084
#12 0x00007ffff611c514 in QVariantAnimationPrivate::QVariantAnimationPrivate()
(this=0x55555681c780)
    at ../../include/QtCore/../../src/corelib/kernel/qvariant.h:394
#13 0x00007ffff611fde3 in
QPropertyAnimationPrivate::QPropertyAnimationPrivate() (this=0x55555681c780)
    at animation/qpropertyanimation_p.h:66
#14 QPropertyAnimation::QPropertyAnimation(QObject*) (this=0x555556eecd1f,
parent=0x555556f71d10)
    at animation/qpropertyanimation.cpp:143
#15 0x00007fffe069387b in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/styles/breeze.so
#16 0x00007fffe0699e6d in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/styles/breeze.so
#17 0x00007fffe068f0b4 in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/styles/breeze.so
#18 0x00007fffe06bcab8 in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/styles/breeze.so
#19 0x00007ffff6ee3a96 in QWidget::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007ffff6ea0a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
()
    at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007ffff6eaa0f0 in QApplication::notify(QObject*, QEvent*) ()
    at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007ffff62fb93a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
    (receiver=0x555556fa2dc0, event=0x7fffffffd380)
    at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#23 0x00007ffff6edf0a2 in QWidget::ensurePolished() const () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007ffff6ee2c6e in QWidgetPrivate::setVisible(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007ffff6ee20e4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007ffff6327d5a in QObject::event(QEvent*) (this=0x555556fa2dc0,
e=<optimised out>)
    at kernel/qobject.cpp:1261
#27 0x00007ffff6ee325d in QWidget::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007ffff6ea0a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
()
    at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007ffff6eaa0f0 in QApplication::notify(QObject*, QEvent*) ()
    at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007ffff62fb93a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
    (receiver=0x555556fa2dc0, event=0x55555612aba0)
    at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#31 0x00007ffff62fe5b8 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*)
    (receiver=0x0, event_type=0, data=0x5555555a4a90) at
kernel/qcoreapplication.cpp:1825
#32 0x00007ffff6353f67 in postEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (s=0x5555556a2690)
    at kernel/qeventdispatcher_glib.cpp:276
#33 0x00007fffea74afbd in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fffea74b240 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fffea74b2e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007ffff6353565 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
    (this=0x5555556ade90, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#37 0x00007ffff62fa4db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
    (this=this@entry=0x7fffffffdac0, flags=..., flags@entry=...)
    at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#38 0x00007ffff6302246 in QCoreApplication::exec() ()

is that sufficient debug info?

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