Hi there,

my plasmashell crashes really often:

Code: Select all

Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1967dba800 (LWP 23223))]

Thread 18 (Thread 0x7f1951142700 (LWP 23225)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f196670a9f2 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f196670c56f in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007f195285bca9 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 17 (Thread 0x7f194a732700 (LWP 23230)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203523f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 16 (Thread 0x7f1940e7d700 (LWP 23231)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203523f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 15 (Thread 0x7f193b3ba700 (LWP 23234)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203523f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 14 (Thread 0x7f193a3a9700 (LWP 23235)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203523f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 13 (Thread 0x7f19392a8700 (LWP 23236)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203523f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 12 (Thread 0x7f192bfff700 (LWP 23237)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203523f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 11 (Thread 0x7f192a9bf700 (LWP 23238)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203525b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 10 (Thread 0x7f192995e700 (LWP 23239)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203523f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 9 (Thread 0x7f192884d700 (LWP 23240)):
#0  0x00007f1960cf696f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007f196753c564 in ?? () from /usr/lib/libQt5Script.so.5
#2  0x00007f196753c5a9 in ?? () from /usr/lib/libQt5Script.so.5
#3  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 8 (Thread 0x7f189beff700 (LWP 23241)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203523f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 7 (Thread 0x7f1898aed700 (LWP 23242)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203525b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f196580d1f6 in ?? () from /usr/lib/libQt5Quick.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 6 (Thread 0x7f1891fff700 (LWP 23243)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203523f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 5 (Thread 0x7f1884e30700 (LWP 23246)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203525b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7f187f7ff700 (LWP 23247)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203523f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f187cc7f700 (LWP 23249)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203525b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f18777ff700 (LWP 23250)):
#0  0x00007f19616fde8d in poll () from /usr/lib/libc.so.6
#1  0x00007f195d99cc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f196203523f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f1961df8af4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f1965185345 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f1961dfda9e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f1960cf1354 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f1961706bfd in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f1967dba800 (LWP 23223)):
[KCrash Handler]
#5  0x00007f19436f032c in ?? () from /usr/lib/xorg/modules/dri/i965_dri.so
#6  0x00007f194367b75c in ?? () from /usr/lib/xorg/modules/dri/i965_dri.so
#7  0x00007f196583cfba in QSGBatchRenderer::Renderer::renderBatches() () from /usr/lib/libQt5Quick.so.5
#8  0x00007f19658429a2 in QSGBatchRenderer::Renderer::render() () from /usr/lib/libQt5Quick.so.5
#9  0x00007f196584e69f in QSGRenderer::renderScene(QSGBindable const&) () from /usr/lib/libQt5Quick.so.5
#10 0x00007f196584eeeb in QSGRenderer::renderScene(unsigned int) () from /usr/lib/libQt5Quick.so.5
#11 0x00007f196585f2de in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from /usr/lib/libQt5Quick.so.5
#12 0x00007f19658a920b in QQuickWindowPrivate::renderSceneGraph(QSize const&) () from /usr/lib/libQt5Quick.so.5
#13 0x00007f1965879bcb in ?? () from /usr/lib/libQt5Quick.so.5
#14 0x00007f196587acd1 in ?? () from /usr/lib/libQt5Quick.so.5
#15 0x00007f19633ad00c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#16 0x00007f19633b24e6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#17 0x00007f1961fde89b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#18 0x00007f196203405d in QTimerInfoList::activateTimers() () from /usr/lib/libQt5Core.so.5
#19 0x00007f1962034561 in ?? () from /usr/lib/libQt5Core.so.5
#20 0x00007f195d99c9fd in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#21 0x00007f195d99cce0 in ?? () from /usr/lib/libglib-2.0.so.0
#22 0x00007f195d99cd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#23 0x00007f196203523f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#24 0x00007f1961fdc26a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#25 0x00007f1961fe420c in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#26 0x000000000042ed66 in main ()


Could anyone give me some hints how to debug this?
Thanks!

> #5 0x00007f19436f032c in ?? () from /usr/lib/xorg/modules/dri/i965_dri.so
> #6 0x00007f194367b75c in ?? () from /usr/lib/xorg/modules/dri/i965_dri.so

Bug in the intel driver - check /var/log/Xorg.0.log for the used acceleration.
Move from glamor => sna => uxa, see

https://wiki.archlinux.org/index.php/In ... SNA_issues

luebking seems that solved the issue!
THANK YOU !!