Application: plasmashell (5.4.1)

Qt Version: 5.5.0
Operating System: Linux 4.1.10-200.fc22.x86_64 x86_64
Distribution: "Fedora release 22 (Twenty Two)"

-- Information about the crash:
- What I was doing when the application crashed:
Login with different monitors plugged to laptop.

Possibly related to 349519, but couldn't mark it in Crash Reporting Assistant - marking was not working.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f8aea9d5900 (LWP 9176))]

Thread 8 (Thread 0x7f8acaa20700 (LWP 9192)):
#0  0x00007f8ae23ee2fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8ae8828182 in poll (__timeout=-1, __nfds=1, __fds=0x7f8acaa1fbc0) at /usr/include/bits/poll2.h:46
#2  _xcb_conn_wait (c=c@entry=0x1f6d660, cond=cond@entry=0x1f6d6a0, vector=vector@entry=0x0, count=count@entry=0x0) at xcb_conn.c:459
#3  0x00007f8ae8829c77 in xcb_wait_for_event (c=0x1f6d660) at xcb_in.c:648
#4  0x00007f8acc9a1999 in QXcbEventReader::run (this=0x1f77aa0) at qxcbconnection.cpp:1198
#5  0x00007f8ae2ffa54e in QThreadPrivate::start (arg=0x1f77aa0) at thread/qthread_unix.cpp:331
#6  0x00007f8ae109e555 in start_thread (arg=0x7f8acaa20700) at pthread_create.c:333
#7  0x00007f8ae23f9b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f8ac3dfa700 (LWP 9281)):
#0  0x00007f8ae23ee2fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8add5a5dbc in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f8abc003070, timeout=<optimized out>, context=0x7f8abc000990) at gmain.c:4103
#2  g_main_context_iterate (context=context@entry=0x7f8abc000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007f8add5a5ecc in g_main_context_iteration (context=0x7f8abc000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x00007f8ae3231dab in QEventDispatcherGlib::processEvents (this=0x7f8abc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f8ae31d8daa in QEventLoop::exec (this=this@entry=0x7f8ac3df9ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8ae2ff55a4 in QThread::exec (this=this@entry=0x204a7c0) at thread/qthread.cpp:503
#7  0x00007f8ae72bd245 in QQmlThreadPrivate::run (this=0x204a7c0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f8ae2ffa54e in QThreadPrivate::start (arg=0x204a7c0) at thread/qthread_unix.cpp:331
#9  0x00007f8ae109e555 in start_thread (arg=0x7f8ac3dfa700) at pthread_create.c:333
#10 0x00007f8ae23f9b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f8abafe6700 (LWP 9351)):
#0  0x00007f8ae23ee2fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8add5a5dbc in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f8ab4002e70, timeout=<optimized out>, context=0x7f8ab4000990) at gmain.c:4103
#2  g_main_context_iterate (context=context@entry=0x7f8ab4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007f8add5a5ecc in g_main_context_iteration (context=0x7f8ab4000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x00007f8ae3231dab in QEventDispatcherGlib::processEvents (this=0x7f8ab40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f8ae31d8daa in QEventLoop::exec (this=this@entry=0x7f8abafe5ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8ae2ff55a4 in QThread::exec (this=this@entry=0x2baa390) at thread/qthread.cpp:503
#7  0x00007f8ae72bd245 in QQmlThreadPrivate::run (this=0x2baa390) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f8ae2ffa54e in QThreadPrivate::start (arg=0x2baa390) at thread/qthread_unix.cpp:331
#9  0x00007f8ae109e555 in start_thread (arg=0x7f8abafe6700) at pthread_create.c:333
#10 0x00007f8ae23f9b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f8ab999a700 (LWP 9359)):
#0  0x00007f8add5a2e11 in g_source_iter_next (iter=iter@entry=0x7f8ab9999af0, source=source@entry=0x7f8ab9999ae8) at gmain.c:931
#1  0x00007f8add5a572a in g_main_context_check (context=context@entry=0x7f8aac000990, max_priority=2147483647, fds=fds@entry=0x7f8aac003070, n_fds=n_fds@entry=1) at gmain.c:3629
#2  0x00007f8add5a5d60 in g_main_context_iterate (context=context@entry=0x7f8aac000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#3  0x00007f8add5a5ecc in g_main_context_iteration (context=0x7f8aac000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x00007f8ae3231dab in QEventDispatcherGlib::processEvents (this=0x7f8aac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f8ae31d8daa in QEventLoop::exec (this=this@entry=0x7f8ab9999ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8ae2ff55a4 in QThread::exec (this=this@entry=0x2c8a1c0) at thread/qthread.cpp:503
#7  0x00007f8ae72bd245 in QQmlThreadPrivate::run (this=0x2c8a1c0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f8ae2ffa54e in QThreadPrivate::start (arg=0x2c8a1c0) at thread/qthread_unix.cpp:331
#9  0x00007f8ae109e555 in start_thread (arg=0x7f8ab999a700) at pthread_create.c:333
#10 0x00007f8ae23f9b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f8ab3fff700 (LWP 9364)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8aea0f7494 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f8aea3dfe80 <QTWTF::pageheap_memory>) at /usr/src/debug/qtscript-opensource-src-5.5.0/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f8aea0f74d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at /usr/src/debug/qtscript-opensource-src-5.5.0/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f8ae109e555 in start_thread (arg=0x7f8ab3fff700) at pthread_create.c:333
#4  0x00007f8ae23f9b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f8ab1499700 (LWP 9389)):
#0  0x00007f8add57a29b in g_ptr_array_set_size (array=0x7f8aac002260, length=length@entry=0) at garray.c:1138
#1  0x00007f8add5a52b1 in g_main_context_prepare (context=context@entry=0x7f8a28000990, priority=priority@entry=0x7f8ab1498b20) at gmain.c:3381
#2  0x00007f8add5a5ceb in g_main_context_iterate (context=context@entry=0x7f8a28000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#3  0x00007f8add5a5ecc in g_main_context_iteration (context=0x7f8a28000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x00007f8ae3231dab in QEventDispatcherGlib::processEvents (this=0x7f8a280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f8ae31d8daa in QEventLoop::exec (this=this@entry=0x7f8ab1498c50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8ae2ff55a4 in QThread::exec (this=this@entry=0x2f488a0) at thread/qthread.cpp:503
#7  0x00007f8ae7e60616 in QQuickPixmapReader::run (this=0x2f488a0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/util/qquickpixmapcache.cpp:754
#8  0x00007f8ae2ffa54e in QThreadPrivate::start (arg=0x2f488a0) at thread/qthread_unix.cpp:331
#9  0x00007f8ae109e555 in start_thread (arg=0x7f8ab1499700) at pthread_create.c:333
#10 0x00007f8ae23f9b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f8a20b11700 (LWP 9396)):
#0  0x00007f8ae23ee2fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8add5a5dbc in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f8a1c0048c0, timeout=<optimized out>, context=0x7f8a1c000990) at gmain.c:4103
#2  g_main_context_iterate (context=context@entry=0x7f8a1c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007f8add5a5ecc in g_main_context_iteration (context=0x7f8a1c000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x00007f8ae3231dab in QEventDispatcherGlib::processEvents (this=0x7f8a1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f8ae31d8daa in QEventLoop::exec (this=this@entry=0x7f8a20b10c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8ae2ff55a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f8a22760397 in KCupsConnection::run() () from /lib64/libkcupslib.so
#8  0x00007f8ae2ffa54e in QThreadPrivate::start (arg=0x4d50180) at thread/qthread_unix.cpp:331
#9  0x00007f8ae109e555 in start_thread (arg=0x7f8a20b11700) at pthread_create.c:333
#10 0x00007f8ae23f9b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f8aea9d5900 (LWP 9176)):
[KCrash Handler]
#6  0x00007f8ac1c7337f in get_stencil_miptree (irb=0x5002d40) at brw_misc_state.c:215
#7  brw_workaround_depthstencil_alignment (brw=brw@entry=0x2fcaad8, clear_mask=clear_mask@entry=50) at brw_misc_state.c:231
#8  0x00007f8ac1bfb453 in brw_clear (ctx=0x2fcaad8, mask=50) at brw_clear.c:235
#9  0x00007f8ae7e903fa in QSGBatchRenderer::Renderer::renderBatches (this=this@entry=0x4ff8dc0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp:2471
#10 0x00007f8ae7e95de2 in QSGBatchRenderer::Renderer::render (this=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp:2674
#11 0x00007f8ae7ea1adf in QSGRenderer::renderScene (this=0x4ff8dc0, bindable=...) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/coreapi/qsgrenderer.cpp:208
#12 0x00007f8ae7ea232b in QSGRenderer::renderScene (this=<optimized out>, fboId=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/coreapi/qsgrenderer.cpp:168
#13 0x00007f8ae7eb271e in QSGRenderContext::renderNextFrame (this=0x29ecce0, renderer=0x4ff8dc0, fboId=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgcontext.cpp:558
#14 0x00007f8ae7efc65b in QQuickWindowPrivate::renderSceneGraph (this=this@entry=0x2df5040, size=...) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/items/qquickwindow.cpp:383
#15 0x00007f8ae7ecd01b in QSGGuiThreadRenderLoop::renderWindow (this=this@entry=0x28f1da0, window=0x2e9c210) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgrenderloop.cpp:375
#16 0x00007f8ae7ece121 in QSGGuiThreadRenderLoop::event (this=0x28f1da0, e=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgrenderloop.cpp:471
#17 0x00007f8ae47914ac in QApplicationPrivate::notify_helper (this=this@entry=0x1f600b0, receiver=receiver@entry=0x28f1da0, e=e@entry=0x7fff6069b020) at kernel/qapplication.cpp:3717
#18 0x00007f8ae4796976 in QApplication::notify (this=0x7fff6069b3e0, receiver=0x28f1da0, e=0x7fff6069b020) at kernel/qapplication.cpp:3500
#19 0x00007f8ae31db61b in QCoreApplication::notifyInternal (this=0x7fff6069b3e0, receiver=0x28f1da0, event=event@entry=0x7fff6069b020) at kernel/qcoreapplication.cpp:965
#20 0x00007f8ae3230bad in sendEvent (event=0x7fff6069b020, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:224
#21 QTimerInfoList::activateTimers (this=0x1fa7db0) at kernel/qtimerinfo_unix.cpp:637
#22 0x00007f8ae32310b1 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#23 0x00007f8add5a5a8a in g_main_dispatch (context=0x7f8ac40016f0) at gmain.c:3122
#24 g_main_context_dispatch (context=context@entry=0x7f8ac40016f0) at gmain.c:3737
#25 0x00007f8add5a5e20 in g_main_context_iterate (context=context@entry=0x7f8ac40016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3808
#26 0x00007f8add5a5ecc in g_main_context_iteration (context=0x7f8ac40016f0, may_block=may_block@entry=1) at gmain.c:3869
#27 0x00007f8ae3231d8f in QEventDispatcherGlib::processEvents (this=0x1f55d30, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#28 0x00007f8ae31d8daa in QEventLoop::exec (this=this@entry=0x7fff6069b260, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#29 0x00007f8ae31e0e6c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#30 0x00007f8ae370f24c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1528
#31 0x00007f8ae478d8e5 in QApplication::exec () at kernel/qapplication.cpp:2977
#32 0x00000000004302c3 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176

Possible duplicates by query: bug 353791, bug 351509, bug 343756.

Reported using DrKonqi