'[plasmashell] [Bug 361250] New: Plasma randomly freezes and eventually crashes and restarts'

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List:       kde-bugs-dist
Subject:    [plasmashell] [Bug 361250] New: Plasma randomly freezes and eventually crashes and restarts
From:       Santiago de Leon via KDE Bugzilla <bugzilla_noreply () kde ! org>
Date:       2016-03-31 20:18:46
Message-ID: bug-361250-17878 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=361250

            Bug ID: 361250
           Summary: Plasma randomly freezes and eventually crashes and
                    restarts
           Product: plasmashell
           Version: 5.5.5
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kde@davidedmundson.co.uk
          Reporter: sdeleon28@gmail.com
                CC: bhush94@gmail.com, plasma-bugs@kde.org

Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.1.15-8-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- Unusual behavior I noticed:

This happens to me every day without any particular triggers that I can
identify. The taskbar freezes. I can't click or get mouseover feedback from:
the Pager widget; any of the task widgets at the bottom right of my task
manager; the Application Menu (launcher). Sometimes, actions on the folder
views in my desktop are also disabled.

When the plasma environment is frozen I can still use yakuake or krunner to
fire up programs. I can also switch between windows and Virtual Desktops with
my usual hotkeys.

The programs I have up most of the time are PyCharm, VirtualBox/Vagrant,
Firefox, Chrome, Thunderbird, Slack, the hangouts taskbar widget and Amarok.

This all started when I installed a fresh copy of Leap (I kept my home folder
but overwrote previous OS, which was OpenSUSE 13.2). This random bug is really
wrecking my experience with Leap.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc805ef37c0 (LWP 2018))]

Thread 6 (Thread 0x7fc7ecd05700 (LWP 2049)):
#0  0x00007fc7ff402bbd in poll () at /lib64/libc.so.6
#1  0x00007fc7fbae3e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fc7fbae3f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007fc7ffd2dd8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007fc7ffcd4d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007fc7ffaf661a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fc802e08df8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fc7ffafb32f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fc7fec0c0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fc7ff40afed in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fc7db8f7700 (LWP 2051)):
#0  0x00007fc7ff402bbd in poll () at /lib64/libc.so.6
#1  0x00007fc7fbae3e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fc7fbae3f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007fc7ffd2dd8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007fc7ffcd4d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007fc7ffaf661a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fc802e08df8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fc7ffafb32f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fc7fec0c0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fc7ff40afed in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fc7da092700 (LWP 2053)):
#0  0x00007fc7fbae1254 in  () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fc7fbae344b in g_main_context_prepare () at
/usr/lib64/libglib-2.0.so.0
#2  0x00007fc7fbae3d80 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fc7fbae3f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007fc7ffd2dd8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007fc7ffcd4d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007fc7ffaf661a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fc802e08df8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007fc7ffafb32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fc7fec0c0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fc7ff40afed in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fc7d3fff700 (LWP 2064)):
#0  0x00007fc7fec1003f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fc8055d086b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007fc8055d0899 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fc7fec0c0a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fc7ff40afed in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fc7d0ebd700 (LWP 2110)):
#0  0x00007fc7fec10e8b in pthread_getspecific () at /lib64/libpthread.so.0
#1  0x00007fc7fbb09400 in g_thread_self () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fc7fbae2ecc in g_main_context_acquire () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007fc7fbae3d25 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fc7fbae3f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#5  0x00007fc7ffd2dd8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#6  0x00007fc7ffcd4d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#7  0x00007fc7ffaf661a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007fc8039a2282 in  () at /usr/lib64/libQt5Quick.so.5
#9  0x00007fc7ffafb32f in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007fc7fec0c0a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007fc7ff40afed in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fc805ef37c0 (LWP 2018)):
[KCrash Handler]
#6  0x00007fc7d22634df in  () at
/usr/lib64/qt5/qml/org/kde/private/desktopcontainment/folder/libfolderplugin.so
#7  0x00007fc7d22859eb in  () at
/usr/lib64/qt5/qml/org/kde/private/desktopcontainment/folder/libfolderplugin.so
#8  0x00007fc7ffd07ac6 in QObject::event(QEvent*) () at
/usr/lib64/libQt5Core.so.5
#9  0x00007fc80104fe7c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#10 0x00007fc801054cc8 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#11 0x00007fc7ffcd6e95 in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#12 0x00007fc7ffcd9057 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#13 0x00007fc7ffd2e8f3 in  () at /usr/lib64/libQt5Core.so.5
#14 0x00007fc7fbae3c84 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#15 0x00007fc7fbae3ed8 in  () at /usr/lib64/libglib-2.0.so.0
#16 0x00007fc7fbae3f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#17 0x00007fc7ffd2dd6c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#18 0x00007fc7ffcd4d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#19 0x00007fc7ffcdc8f6 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#20 0x0000000000436b3d in main ()

Reported using DrKonqi

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