Application: plasmashell (5.4.2) Qt Version: 5.4.2 Operating System: Linux 4.2.0-16-generic x86_64 Distribution: Ubuntu 15.10 -- Information about the crash: - What I was doing when the application crashed: tried to open Update icon in System tray. After plasma crashed. Muon update opened -- Backtrace: Application: Plasma (plasmashell), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f782c26a800 (LWP 1746))] Thread 8 (Thread 0x7f781788e700 (LWP 1747)): #0 0x00007f7826a1e8dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f782aa65bd2 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007f782aa6774f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007f7819bd8a39 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so #4 0x00007f78271112be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f78262006aa in start_thread (arg=0x7f781788e700) at pthread_create.c:333 #6 0x00007f7826a29eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 7 (Thread 0x7f781522f700 (LWP 1766)): #0 0x00007f7826a1a49d in read () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f782380e4e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f78237cacd4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f78237cb190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f78237cb2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f782734829b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f78272ee75a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f782710c3d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f7829934f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #9 0x00007f78271112be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f78262006aa in start_thread (arg=0x7f781522f700) at pthread_create.c:333 #11 0x00007f7826a29eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 6 (Thread 0x7f7805d74700 (LWP 1802)): #0 0x00007f7826a1e8dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f78237cb1ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f78237cb2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f782734829b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f78272ee75a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f782710c3d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f7829934f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f78271112be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f78262006aa in start_thread (arg=0x7f7805d74700) at pthread_create.c:333 #9 0x00007f7826a29eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7f77ff47b700 (LWP 1816)): #0 0x00007f7827348294 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #1 0x00007f78272ee75a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f782710c3d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007f7829934f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #4 0x00007f78271112be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f78262006aa in start_thread (arg=0x7f77ff47b700) at pthread_create.c:333 #6 0x00007f7826a29eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7f77fdbfb700 (LWP 1817)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f782bcc0114 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #2 0x00007f782bcc0159 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #3 0x00007f78262006aa in start_thread (arg=0x7f77fdbfb700) at pthread_create.c:333 #4 0x00007f7826a29eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7f77f67f2700 (LWP 1837)): #0 0x00007f78237cab9a in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f78237cb190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f78237cb2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f782734829b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f78272ee75a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f782710c3d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f782a2b0ef6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f78271112be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f78262006aa in start_thread (arg=0x7f77f67f2700) at pthread_create.c:333 #9 0x00007f7826a29eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7f7761e76700 (LWP 2298)): #0 0x00007f7826a1e8dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f78237cb1ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f78237cb2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f782734829b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f78272ee75a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f782710c3d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f77641108f7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so #7 0x00007f78271112be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f78262006aa in start_thread (arg=0x7f7761e76700) at pthread_create.c:333 #9 0x00007f7826a29eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7f782c26a800 (LWP 1746)): [KCrash Handler] #6 brw_meta_fast_clear (brw=brw@entry=0x30bac18, fb=fb@entry=0x6026330, buffers=buffers@entry=34, partial_clear=partial_clear@entry=false) at ../../../../../../../src/mesa/drivers/dri/i965/brw_meta_fast_clear.c:451 #7 0x00007f780e9a5dcc in brw_clear (ctx=0x30bac18, mask=34) at ../../../../../../../src/mesa/drivers/dri/i965/brw_clear.c:247 #8 0x00007f782a2e337a in QSGBatchRenderer::Renderer::renderBatches() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #9 0x00007f782a2e7b3a in QSGBatchRenderer::Renderer::render() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #10 0x00007f782a2f2a1c in QSGRenderer::renderScene(QSGBindable const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #11 0x00007f782a2f2e9b in QSGRenderer::renderScene(unsigned int) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #12 0x00007f782a3015be in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #13 0x00007f782a34b20c in QQuickWindowPrivate::renderSceneGraph(QSize const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #14 0x00007f782a31bbac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #15 0x00007f782a31c6d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #16 0x00007f7827dceb8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #17 0x00007f7827dd4230 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #18 0x00007f78272f0f1b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #19 0x00007f782734709d in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x00007f78273475d9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007f78237caff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #22 0x00007f78237cb250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #23 0x00007f78237cb2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #24 0x00007f782734827f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #25 0x00007f78272ee75a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #26 0x00007f78272f62cc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #27 0x00000000004322c3 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176 Possible duplicates by query: bug 354913, bug 354788, bug 354619, bug 354243, bug 354155. Reported using DrKonqi
This is crashing in your graphic driver which we can't do much about. Please upgrade/downgrade your version of mesa. See information (including a workaround) in the linked report. *** This bug has been marked as a duplicate of bug 349519 ***