Bug 363380

Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-22-generic x86_64
Distribution: Ubuntu 16.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Closed a tab in a chrome browser. Went to task bar and right clicked and plasma instantly crashed

-- 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 0x7fce6fb528c0 (LWP 22605))]

Thread 12 (Thread 0x7fce5ae74700 (LWP 22607)):
#0  0x00007fce6a263e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fce6e328c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fce6e32a8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fce5cfc2629 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fce6a95984e in QThreadPrivate::start (arg=0xc078a0) at thread/qthread_unix.cpp:331
#5  0x00007fce69a466fa in start_thread (arg=0x7fce5ae74700) at pthread_create.c:333
#6  0x00007fce6a26fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fce53fff700 (LWP 22610)):
#0  0x00007fce6703da64 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fce66ff8cda in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fce66ff92c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fce66ff942c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fce6ab90a9b in QEventDispatcherGlib::processEvents (this=0x7fce4c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fce6ab37dea in QEventLoop::exec (this=this@entry=0x7fce53ffece0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fce6a9548a4 in QThread::exec (this=this@entry=0xce8770) at thread/qthread.cpp:503
#7  0x00007fce6d1fc3c5 in QQmlThreadPrivate::run (this=0xce8770) at qml/ftw/qqmlthread.cpp:141
#8  0x00007fce6a95984e in QThreadPrivate::start (arg=0xce8770) at thread/qthread_unix.cpp:331
#9  0x00007fce69a466fa in start_thread (arg=0x7fce53fff700) at pthread_create.c:333
#10 0x00007fce6a26fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fce4962c700 (LWP 22615)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fce51c08aa3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#2  0x00007fce51c08907 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#3  0x00007fce69a466fa in start_thread (arg=0x7fce4962c700) at pthread_create.c:333
#4  0x00007fce6a26fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fce48e2b700 (LWP 22616)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fce51c08aa3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#2  0x00007fce51c08907 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#3  0x00007fce69a466fa in start_thread (arg=0x7fce48e2b700) at pthread_create.c:333
#4  0x00007fce6a26fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fce4862a700 (LWP 22617)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fce51c08aa3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#2  0x00007fce51c08907 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#3  0x00007fce69a466fa in start_thread (arg=0x7fce4862a700) at pthread_create.c:333
#4  0x00007fce6a26fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fce47e29700 (LWP 22618)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fce51c08aa3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#2  0x00007fce51c08907 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#3  0x00007fce69a466fa in start_thread (arg=0x7fce47e29700) at pthread_create.c:333
#4  0x00007fce6a26fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fce43be8700 (LWP 22619)):
#0  0x00007fce6a25f9cd in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fce6703c6c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fce66ff8e04 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fce66ff92c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fce66ff942c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fce6ab90a9b in QEventDispatcherGlib::processEvents (this=0x7fce3c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fce6ab37dea in QEventLoop::exec (this=this@entry=0x7fce43be7ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fce6a9548a4 in QThread::exec (this=this@entry=0xf70e60) at thread/qthread.cpp:503
#8  0x00007fce6d1fc3c5 in QQmlThreadPrivate::run (this=0xf70e60) at qml/ftw/qqmlthread.cpp:141
#9  0x00007fce6a95984e in QThreadPrivate::start (arg=0xf70e60) at thread/qthread_unix.cpp:331
#10 0x00007fce69a466fa in start_thread (arg=0x7fce43be8700) at pthread_create.c:333
#11 0x00007fce6a26fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fce41cf4700 (LWP 22620)):
#0  0x00007fce66ff88c1 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fce66ff924b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fce66ff942c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fce6ab90a9b in QEventDispatcherGlib::processEvents (this=0x7fce340008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fce6ab37dea in QEventLoop::exec (this=this@entry=0x7fce41cf3ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fce6a9548a4 in QThread::exec (this=this@entry=0x1057820) at thread/qthread.cpp:503
#6  0x00007fce6d1fc3c5 in QQmlThreadPrivate::run (this=0x1057820) at qml/ftw/qqmlthread.cpp:141
#7  0x00007fce6a95984e in QThreadPrivate::start (arg=0x1057820) at thread/qthread_unix.cpp:331
#8  0x00007fce69a466fa in start_thread (arg=0x7fce41cf4700) at pthread_create.c:333
#9  0x00007fce6a26fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fce3bfff700 (LWP 22621)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fce6f5a1bd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fce6f5a1c19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fce69a466fa in start_thread (arg=0x7fce3bfff700) at pthread_create.c:333
#4  0x00007fce6a26fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fcdb3fff700 (LWP 22622)):
#0  0x00007fce6703da49 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fce66ff9418 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fce6ab90a9b in QEventDispatcherGlib::processEvents (this=0x7fcdac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#3  0x00007fce6ab37dea in QEventLoop::exec (this=this@entry=0x7fcdb3ffec90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007fce6a9548a4 in QThread::exec (this=this@entry=0x1899c10) at thread/qthread.cpp:503
#5  0x00007fce6db82ed6 in QQuickPixmapReader::run (this=0x1899c10) at util/qquickpixmapcache.cpp:817
#6  0x00007fce6a95984e in QThreadPrivate::start (arg=0x1899c10) at thread/qthread_unix.cpp:331
#7  0x00007fce69a466fa in start_thread (arg=0x7fcdb3fff700) at pthread_create.c:333
#8  0x00007fce6a26fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fcda122e700 (LWP 22624)):
#0  0x00007fce6703da49 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fce66ff92de in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fce66ff942c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fce6ab90a9b in QEventDispatcherGlib::processEvents (this=0x7fcd9c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fce6ab37dea in QEventLoop::exec (this=this@entry=0x7fcda122dcc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fce6a9548a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fcda370e7d7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007fce6a95984e in QThreadPrivate::start (arg=0x285f6a0) at thread/qthread_unix.cpp:331
#8  0x00007fce69a466fa in start_thread (arg=0x7fcda122e700) at pthread_create.c:333
#9  0x00007fce6a26fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fce6fb528c0 (LWP 22605)):
[KCrash Handler]
#6  __memmove_ssse3_back () at ../sysdeps/x86_64/multiarch/memcpy-ssse3-back.S:1574
#7  0x00007fce518984ad in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#8  0x00007fce51896d95 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#9  0x00007fce5838bc1f in Plasma::WindowThumbnail::bindGLXTexture (this=this@entry=0x755d4cf0) at ../../../../src/declarativeimports/core/windowthumbnail.cpp:447
#10 0x00007fce5838ce44 in Plasma::WindowThumbnail::windowToTextureGLX (this=this@entry=0x755d4cf0, textureNode=textureNode@entry=0x629a460) at ../../../../src/declarativeimports/core/windowthumbnail.cpp:282
#11 0x00007fce5838d803 in Plasma::WindowThumbnail::windowToTexture (this=0x755d4cf0, textureNode=0x629a460) at ../../../../src/declarativeimports/core/windowthumbnail.cpp:394
#12 0x00007fce5838dd24 in Plasma::WindowThumbnail::updatePaintNode (this=0x755d4cf0, oldNode=<optimized out>, updatePaintNodeData=<optimized out>) at ../../../../src/declarativeimports/core/windowthumbnail.cpp:199
#13 0x00007fce6dc212d8 in QQuickWindowPrivate::updateDirtyNode (this=this@entry=0x28c0f00, item=item@entry=0x755d4cf0) at items/qquickwindow.cpp:2984
#14 0x00007fce6dc21b4b in QQuickWindowPrivate::updateDirtyNodes (this=this@entry=0x28c0f00) at items/qquickwindow.cpp:2722
#15 0x00007fce6dc21cc0 in QQuickWindowPrivate::syncSceneGraph (this=this@entry=0x28c0f00) at items/qquickwindow.cpp:341
#16 0x00007fce6dbf012c in QSGGuiThreadRenderLoop::renderWindow (this=this@entry=0xe42780, window=0x24e9cb0) at scenegraph/qsgrenderloop.cpp:372
#17 0x00007fce6dbf12a1 in QSGGuiThreadRenderLoop::event (this=0xe42780, e=<optimized out>) at scenegraph/qsgrenderloop.cpp:474
#18 0x00007fce6b63d05c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fce6b642516 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fce6ab3a62b in QCoreApplication::notifyInternal (this=0x7ffc0746b8c0, receiver=0xe42780, event=event@entry=0x7ffc0746b520) at kernel/qcoreapplication.cpp:965
#21 0x00007fce6ab8f89d in QCoreApplication::sendEvent (event=0x7ffc0746b520, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#22 QTimerInfoList::activateTimers (this=0xc45ad0) at kernel/qtimerinfo_unix.cpp:637
#23 0x00007fce6ab8fda1 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#24 0x00007fce66ff9127 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fce66ff9380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007fce66ff942c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007fce6ab90a7f in QEventDispatcherGlib::processEvents (this=0xc4a8d0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#28 0x00007fce6ab37dea in QEventLoop::exec (this=this@entry=0x7ffc0746b760, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#29 0x00007fce6ab3fe8c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#30 0x0000000000432d4a in main (argc=4, argv=<optimized out>) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/main.cpp:181

Possible duplicates by query: bug 363371, bug 363359, bug 362526, bug 362509, bug 362461.

Reported using DrKonqi