Application: plasmashell (5.4.2)

Qt Version: 5.4.2
Operating System: Linux 4.2.0-34-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
- What I was doing when the application crashed: 
Update of Security Packages. There was a new Java Package too.
The crash happend when the package installation was finished and I was opening Firefox

-- 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 0x7f6fa5dc9800 (LWP 1475))]

Thread 8 (Thread 0x7f6f912a4700 (LWP 1479)):
#0  0x00007f6fa057388d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f6fa45babd2 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f6fa45bc74f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f6f935eea39 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#4  0x00007f6fa0c662be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6f9fd556aa in start_thread (arg=0x7f6f912a4700) at pthread_create.c:333
#6  0x00007f6fa057ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f6f8ab48700 (LWP 1516)):
#0  0x00007f6fa057388d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f6f9d3201ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6f9d3202fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6fa0e9d29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6fa0e4375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6fa0c613d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6fa3489f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f6fa0c662be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f6f9fd556aa in start_thread (arg=0x7f6f8ab48700) at pthread_create.c:333
#9  0x00007f6fa057ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f6f7f791700 (LWP 1523)):
#0  0x00007f6f9d31fc74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6f9d320190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6f9d3202fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6fa0e9d29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6fa0e4375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6fa0c613d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6fa3489f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f6fa0c662be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f6f9fd556aa in start_thread (arg=0x7f6f7f791700) at pthread_create.c:333
#9  0x00007f6fa057ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f6f7cef0700 (LWP 1527)):
#0  0x00007fff011b6c4f in clock_gettime ()
#1  0x00007f6fa058d33d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f6fa0d173a6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f6fa0e9ad29 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6fa0e9b295 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6fa0e9c67e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6f9d31f77d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f6f9d32011b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f6f9d3202fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f6fa0e9d29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f6fa0e4375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f6fa0c613d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f6fa3489f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f6fa0c662be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f6f9fd556aa in start_thread (arg=0x7f6f7cef0700) at pthread_create.c:333
#15 0x00007f6fa057ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f6f6f3d8700 (LWP 1533)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6fa5815114 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f6fa5815159 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f6f9fd556aa in start_thread (arg=0x7f6f6f3d8700) at pthread_create.c:333
#4  0x00007f6fa057ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f6eec96f700 (LWP 1563)):
#0  0x00007f6f9d364884 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6f9d31f770 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6f9d32011b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6f9d3202fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6fa0e9d29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6fa0e4375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6fa0c613d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f6fa3e05ef6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f6fa0c662be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f6f9fd556aa in start_thread (arg=0x7f6eec96f700) at pthread_create.c:333
#10 0x00007f6fa057ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f6ee0db9700 (LWP 1594)):
#0  0x00007fff011b6c4f in clock_gettime ()
#1  0x00007f6fa058d33d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f6fa0d173a6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f6fa0e9ad29 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6fa0e9b295 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6fa0e9c67e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6f9d31f77d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f6f9d32011b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f6f9d3202fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f6fa0e9d29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f6fa0e4375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f6fa0c613d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f6ee30508f7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#13 0x00007f6fa0c662be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f6f9fd556aa in start_thread (arg=0x7f6ee0db9700) at pthread_create.c:333
#15 0x00007f6fa057ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f6fa5dc9800 (LWP 1475)):
[KCrash Handler]
#6  intel_miptree_used_for_rendering (mt=0x0) at ../../../../../../../src/mesa/drivers/dri/i965/intel_mipmap_tree.h:734
#7  brw_update_renderbuffer_surface (brw=0x33224d8, rb=0x5dc8dd0, layered=<optimized out>, unit=0, surf_index=<optimized out>) at ../../../../../../../src/mesa/drivers/dri/i965/brw_wm_surface_state.c:664
#8  0x00007f6f884b3309 in brw_update_renderbuffer_surfaces (brw=0x33224d8, fb=0x5a18d00, render_target_start=0, surf_offset=0x33471b4) at ../../../../../../../src/mesa/drivers/dri/i965/brw_wm_surface_state.c:753
#9  0x00007f6f884b33a1 in update_renderbuffer_surfaces (brw=0x33224d8) at ../../../../../../../src/mesa/drivers/dri/i965/brw_wm_surface_state.c:775
#10 0x00007f6f88488f69 in check_and_emit_atom (atom=0x33477a8, state=<synthetic pointer>, brw=0x33224d8) at ../../../../../../../src/mesa/drivers/dri/i965/brw_state_upload.c:667
#11 brw_upload_pipeline_state (pipeline=BRW_RENDER_PIPELINE, brw=0x33224d8) at ../../../../../../../src/mesa/drivers/dri/i965/brw_state_upload.c:768
#12 brw_upload_render_state (brw=brw@entry=0x33224d8) at ../../../../../../../src/mesa/drivers/dri/i965/brw_state_upload.c:790
#13 0x00007f6f88412252 in brw_try_draw_prims (indirect=<optimized out>, max_index=<optimized out>, min_index=<optimized out>, ib=<optimized out>, nr_prims=<optimized out>, prims=<optimized out>, arrays=<optimized out>, ctx=0x33224d8) at ../../../../../../../src/mesa/drivers/dri/i965/brw_draw.c:516
#14 brw_draw_prims (ctx=0x33224d8, prims=<optimized out>, nr_prims=<optimized out>, ib=<optimized out>, index_bounds_valid=<optimized out>, min_index=0, max_index=3, unused_tfb_object=0x0, stream=0, indirect=0x0) at ../../../../../../../src/mesa/drivers/dri/i965/brw_draw.c:606
#15 0x00007f6f8824e33a in vbo_draw_arrays (ctx=0x33224d8, mode=mode@entry=6, start=start@entry=0, count=count@entry=4, numInstances=numInstances@entry=1, baseInstance=baseInstance@entry=0) at ../../../../src/mesa/vbo/vbo_exec_array.c:645
#16 0x00007f6f8824e5a3 in vbo_exec_DrawArrays (mode=mode@entry=6, start=start@entry=0, count=count@entry=4) at ../../../../src/mesa/vbo/vbo_exec_array.c:797
#17 0x00007f6f8824fa65 in _mesa_DrawArrays (mode=mode@entry=6, first=first@entry=0, count=count@entry=4) at ../../../../src/mesa/vbo/vbo_exec_array.c:1854
#18 0x00007f6f882c8440 in meta_clear (ctx=ctx@entry=0x33224d8, buffers=buffers@entry=50, glsl=glsl@entry=true) at ../../../../src/mesa/drivers/common/meta.c:1814
#19 0x00007f6f882c891a in _mesa_meta_glsl_Clear (ctx=ctx@entry=0x33224d8, buffers=buffers@entry=50) at ../../../../src/mesa/drivers/common/meta.c:1502
#20 0x00007f6f883ffe4b in brw_clear (ctx=0x33224d8, mask=0) at ../../../../../../../src/mesa/drivers/dri/i965/brw_clear.c:264
#21 0x00007f6fa3e3837a in QSGBatchRenderer::Renderer::renderBatches() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f6fa3e3cb3a in QSGBatchRenderer::Renderer::render() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007f6fa3e47a1c in QSGRenderer::renderScene(QSGBindable const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#24 0x00007f6fa3e47e9b in QSGRenderer::renderScene(unsigned int) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007f6fa3e565be in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#26 0x00007f6fa3ea020c in QQuickWindowPrivate::renderSceneGraph(QSize const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#27 0x00007f6fa3e70bac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#28 0x00007f6fa3e716d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#29 0x00007f6fa1923b8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f6fa1929230 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f6fa0e45f1b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f6fa0e9c09d in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f6fa0e9c5d9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f6f9d31fff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f6f9d320250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f6f9d3202fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f6fa0e9d27f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f6fa0e4375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007f6fa0e4b2cc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00000000004322c3 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176

Possible duplicates by query: bug 360222, bug 354593, bug 354577, bug 353109, bug 353007.

Reported using DrKonqi