Bug 412462

Application: plasmashell (5.16.90)

Qt Version: 5.13.1
Frameworks Version: 5.62.0
Operating System: Linux 4.12.14-lp150.12.73-default x86_64
Distribution: "openSUSE Leap 15.0"

-- Information about the crash:
- What I was doing when the application crashed:

I was running an OpenGL app. Plasmashell chrashed, then crashed twice more when I tried to restart it with "kstart5 plasmashell"

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 0x7fe3d405c540 (LWP 23724))]

Thread 5 (Thread 0x7fe39ff33700 (LWP 23737)):
#0  0x00007fe3cafec90d in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe3cde3b87b in QWaitConditionPrivate::wait (deadline=..., this=0x5583ea72b290) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x5583ea72a5c0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007fe3cde3bb89 in QWaitCondition::wait (this=0x5583ea72a5c8, mutex=0x5583ea72a5c0, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#4  0x00007fe3d1eb18b8 in ?? () from /usr/lib64/libQt5Quick.so.5
#5  0x00007fe3d1eb1cea in ?? () from /usr/lib64/libQt5Quick.so.5
#6  0x00007fe3cde348e2 in QThreadPrivate::start (arg=0x5583ea72a540) at thread/qthread_unix.cpp:360
#7  0x00007fe3cafe6569 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fe3cd732a2f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fe3b5ed5700 (LWP 23728)):
#0  0x00007fe3c7807768 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fe3c780814b in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fe3c780832c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fe3ce07770b in QEventDispatcherGlib::processEvents (this=0x7fe3ac000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe3ce017c6a in QEventLoop::exec (this=this@entry=0x7fe3b5ed4c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fe3cde3313a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fe3d194ced5 in ?? () from /usr/lib64/libQt5Qml.so.5
#7  0x00007fe3cde348e2 in QThreadPrivate::start (arg=0x5583e9ca8530) at thread/qthread_unix.cpp:360
#8  0x00007fe3cafe6569 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fe3cd732a2f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fe3bc952700 (LWP 23726)):
#0  0x00007fe3ce0774bd in socketNotifierSourceCheck (source=0x7fe3b0004c10) at kernel/qeventdispatcher_glib.cpp:75
#1  0x00007fe3c7807c31 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fe3c78081c0 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fe3c780832c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fe3ce07770b in QEventDispatcherGlib::processEvents (this=0x7fe3b0000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fe3ce017c6a in QEventLoop::exec (this=this@entry=0x7fe3bc951c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007fe3cde3313a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#7  0x00007fe3cf143e35 in ?? () from /usr/lib64/libQt5DBus.so.5
#8  0x00007fe3cde348e2 in QThreadPrivate::start (arg=0x7fe3cf3bbd80) at thread/qthread_unix.cpp:360
#9  0x00007fe3cafe6569 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe3cd732a2f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fe3be4cd700 (LWP 23725)):
#0  0x00007fe3cd7281db in poll () from /lib64/libc.so.6
#1  0x00007fe3d2a8b387 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007fe3d2a8cfba in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007fe3c0eac9c0 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fe3cde348e2 in QThreadPrivate::start (arg=0x5583e99f4440) at thread/qthread_unix.cpp:360
#5  0x00007fe3cafe6569 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fe3cd732a2f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fe3d405c540 (LWP 23724)):
[KCrash Handler]
#6  0x00007fe3cdfe0b80 in QSortFilterProxyModelPrivate::build_source_to_proxy_mapping (proxy_to_source=..., source_to_proxy=..., this=0x5583ea54c840) at itemmodels/qsortfilterproxymodel.cpp:1184
#7  0x00007fe3cdfe5441 in QSortFilterProxyModelPrivate::sort (this=0x5583ea54c840) at itemmodels/qsortfilterproxymodel.cpp:615
#8  0x00007fe3a12c4d10 in Image::backgroundsFound (this=0x5583ea56d120) at /usr/src/debug/plasma5-workspace-5.16.90-lp150.471.1.x86_64/wallpapers/image/image.cpp:641
#9  0x00007fe3ce04a55f in QtPrivate::QSlotObjectBase::call (a=0x7ffcb9158550, r=0x5583ea56d120, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#10 QMetaObject::activate (sender=0x5583ea556ce0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3789
#11 0x00007fe3ce04afa2 in QObject::event (this=0x5583ea556ce0, e=<optimized out>) at kernel/qobject.cpp:1260
#12 0x00007fe3cf9b50bc in QApplicationPrivate::notify_helper (this=this@entry=0x5583e99d1bf0, receiver=receiver@entry=0x5583ea556ce0, e=e@entry=0x7fe3900a2370) at kernel/qapplication.cpp:3703
#13 0x00007fe3cf9bc6c0 in QApplication::notify (this=0x7ffcb9158c70, receiver=0x5583ea556ce0, e=0x7fe3900a2370) at kernel/qapplication.cpp:3449
#14 0x00007fe3ce019af8 in QCoreApplication::notifyInternal2 (receiver=0x5583ea556ce0, event=0x7fe3900a2370) at kernel/qcoreapplication.cpp:1095
#15 0x00007fe3ce019cce in QCoreApplication::sendEvent (receiver=<optimized out>, event=event@entry=0x7fe3900a2370) at kernel/qcoreapplication.cpp:1490
#16 0x00007fe3ce01c417 in QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x5583e99addd0) at kernel/qcoreapplication.cpp:1840
#17 0x00007fe3ce01c9a8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1694
#18 0x00007fe3ce0780d3 in postEventSourceDispatch (s=0x5583e9a29cd0) at kernel/qeventdispatcher_glib.cpp:277
#19 0x00007fe3c7808067 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#20 0x00007fe3c78082a0 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#21 0x00007fe3c780832c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#22 0x00007fe3ce0776ef in QEventDispatcherGlib::processEvents (this=0x5583e9a3cde0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#23 0x00007fe3ce017c6a in QEventLoop::exec (this=this@entry=0x7ffcb9158b20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#24 0x00007fe3ce020fd0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1403
#25 0x00005583e8a48def in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/plasma5-workspace-5.16.90-lp150.471.1.x86_64/shell/main.cpp:219
[Inferior 1 (process 23724) detached]

Possible duplicates by query: bug 292489, bug 286360, bug 219800.

Reported using DrKonqi