Bug 396384

Application: plasmashell (5.13.3)

Qt Version: 5.11.1
Frameworks Version: 5.47.0
Operating System: Linux 4.17.4-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

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

I had rebooted after updating to the latest Plasma versions from Pacman, the crash appeared upon logging into the desktop.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f85f6a93cc0 (LWP 710))]

Thread 11 (Thread 0x7f850f817700 (LWP 893)):
#0  0x00007f85efb9dea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f85d529e865 in  () at /usr/lib/libGLX_nvidia.so.0
#2  0x00007f854b2ea144 in  () at /usr/lib/libnvidia-glcore.so.396.24.02
#3  0x00007f854b20aa8e in  () at /usr/lib/libnvidia-glcore.so.396.24.02
#4  0x00007f85d5294c1e in  () at /usr/lib/libGLX_nvidia.so.0
#5  0x00007f85df3e9569 in  () at /usr/lib/qt/plugins/xcbglintegrations/libqxcb-glx-integration.so
#6  0x00007f85f0a48e10 in QOpenGLContext::swapBuffers(QSurface*) () at /usr/lib/libQt5Gui.so.5
#7  0x00007f85f42a18e8 in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007f85f42a5658 in  () at /usr/lib/libQt5Quick.so.5
#9  0x00007f85f02b8b45 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f85ef457075 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f85efba853f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f852affe700 (LWP 874)):
#0  0x00007f85efb9dea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f85e96ec523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f85e96ec63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f85f04ba054 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f85f046594c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f85f02aea99 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f85f422423b in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f85f02b8b45 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f85ef457075 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f85efba853f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f85317fd700 (LWP 869)):
[KCrash Handler]
#6  0x00007f85efb511e1 in __memmove_sse2_unaligned_erms () at /usr/lib/libc.so.6
#7  0x00007f854af11286 in  () at /usr/lib/libnvidia-glcore.so.396.24.02
#8  0x00007f854affa00f in  () at /usr/lib/libnvidia-glcore.so.396.24.02
#9  0x00007f854affa3a5 in  () at /usr/lib/libnvidia-glcore.so.396.24.02
#10 0x00007f854b01c3c4 in  () at /usr/lib/libnvidia-glcore.so.396.24.02
#11 0x00007f854afdc3b4 in  () at /usr/lib/libnvidia-glcore.so.396.24.02
#12 0x00007f85f0d658c0 in  () at /usr/lib/libQt5Gui.so.5
#13 0x00007f85f0d66909 in  () at /usr/lib/libQt5Gui.so.5
#14 0x00007f85f0d379fb in  () at /usr/lib/libQt5Gui.so.5
#15 0x00007f85f0d3809e in QOpenGLShaderProgram::link() () at /usr/lib/libQt5Gui.so.5
#16 0x00007f85f4299596 in QSGDefaultRenderContext::compileShader(QSGMaterialShader*, QSGMaterial*, char const*, char const*) () at /usr/lib/libQt5Quick.so.5
#17 0x00007f85f4266c96 in  () at /usr/lib/libQt5Quick.so.5
#18 0x00007f85f42676b1 in QSGBatchRenderer::Renderer::renderMergedBatch(QSGBatchRenderer::Batch const*) () at /usr/lib/libQt5Quick.so.5
#19 0x00007f85f42688b6 in QSGBatchRenderer::Renderer::renderBatches() () at /usr/lib/libQt5Quick.so.5
#20 0x00007f85f426e103 in QSGBatchRenderer::Renderer::render() () at /usr/lib/libQt5Quick.so.5
#21 0x00007f85f425e4ee in QSGRenderer::renderScene(QSGBindable const&) () at /usr/lib/libQt5Quick.so.5
#22 0x00007f85f425e9bc in QSGRenderer::renderScene(unsigned int) () at /usr/lib/libQt5Quick.so.5
#23 0x00007f85f4299030 in QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at /usr/lib/libQt5Quick.so.5
#24 0x00007f85f42fcdb5 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /usr/lib/libQt5Quick.so.5
#25 0x00007f85f42a18a0 in  () at /usr/lib/libQt5Quick.so.5
#26 0x00007f85f42a5658 in  () at /usr/lib/libQt5Quick.so.5
#27 0x00007f85f02b8b45 in  () at /usr/lib/libQt5Core.so.5
#28 0x00007f85ef457075 in start_thread () at /usr/lib/libpthread.so.0
#29 0x00007f85efba853f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f85337ff700 (LWP 868)):
#0  0x00007f85ef45cffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f85f02b92fc in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f85f42a542d in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f85f42a569c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f85f02b8b45 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f85ef457075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f85efba853f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f8539bfe700 (LWP 866)):
#0  0x00007f85ef45cffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f85f02b92fc in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f85f42a542d in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f85f42a569c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f85f02b8b45 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f85ef457075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f85efba853f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f8541bed700 (LWP 865)):
#0  0x00007f85ef45cffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f85f02b92fc in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f85f42a542d in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f85f42a569c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f85f02b8b45 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f85ef457075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f85efba853f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f85d5d28700 (LWP 852)):
#0  0x00007f85ef45cffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f85f6170aac in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f85f6170ac9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f85ef457075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f85efba853f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f85d7fff700 (LWP 837)):
#0  0x00007f85efb99934 in read () at /usr/lib/libc.so.6
#1  0x00007f85e9731ed1 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f85e96ebff8 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f85e96ec4c6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f85e96ec63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f85f04ba054 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f85f046594c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f85f02aea99 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f85f3da79c9 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f85f02b8b45 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f85ef457075 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f85efba853f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f85dde35700 (LWP 809)):
#0  0x00007f85f04b9f33 in  () at /usr/lib/libQt5Core.so.5
#1  0x00007f85e96eba49 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007f85e96ec44e in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f85e96ec63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f85f04ba054 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f85f046594c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f85f02aea99 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f85f27b9976 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007f85f02b8b45 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f85ef457075 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f85efba853f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f85e0202700 (LWP 738)):
#0  0x00007f85efb9dea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f85f4e74180 in  () at /usr/lib/libxcb.so.1
#2  0x00007f85f4e75e4b in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f85e236122a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f85f02b8b45 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f85ef457075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f85efba853f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f85f6a93cc0 (LWP 710)):
#0  0x00007f85efb99a07 in write () at /usr/lib/libc.so.6
#1  0x00007f85e9731f8b in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f85e96e87f0 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f85e96ec310 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#4  0x00007f85e96ec5b1 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f85e96ec63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#6  0x00007f85f04ba039 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f85e23f6722 in  () at /usr/lib/libQt5XcbQpa.so.5
#8  0x00007f85f046594c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#9  0x00007f85f046dc46 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#10 0x000055fd7b50964e in  ()
#11 0x00007f85efad306b in __libc_start_main () at /usr/lib/libc.so.6
#12 0x000055fd7b509aca in _start ()

Reported using DrKonqi