Bug 383760

Summary: Alt tabbing when in wine lets kwin crash
Product: [Plasma] kwin Reporter: samurro
Component: generalAssignee: KWin default assignee <kwin-bugs-null>
Status: RESOLVED UPSTREAM    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: 5.10.4   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description samurro 2017-08-20 16:58:08 UTC 
Application: kwin_x11 (5.10.4)

Qt Version: 5.9.1
Frameworks Version: 5.36.0
Operating System: Linux 4.11.8-2-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:
I was running a steam game in wine and when trying to alt tab I got the crash report. It is reproduceable.

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f315e5c2900 (LWP 7206))]

Thread 11 (Thread 0x7f3114cce700 (LWP 7240)):
#0  0x00007f31571705dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f315a4c08e4 in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007f315a4c0929 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007f315716a4d7 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f315df4bb2f in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f31154cf700 (LWP 7239)):
#0  0x00007f31571705dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f311f52e1bb in cnd_wait (mtx=0x56111c9b6590, cond=0x56111c9b65b8) at ../../include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input@entry=0x56111c9b6ed0) at u_queue.c:158
#3  0x00007f311f52def7 in impl_thrd_routine (p=<optimized out>) at ../../include/c11/threads_posix.h:87
#4  0x00007f315716a4d7 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f315df4bb2f in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f3115cd0700 (LWP 7238)):
#0  0x00007f31571705dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f311f52e1bb in cnd_wait (mtx=0x56111c9b6590, cond=0x56111c9b65b8) at ../../include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input@entry=0x56111c9b6950) at u_queue.c:158
#3  0x00007f311f52def7 in impl_thrd_routine (p=<optimized out>) at ../../include/c11/threads_posix.h:87
#4  0x00007f315716a4d7 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f315df4bb2f in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f31164d1700 (LWP 7237)):
#0  0x00007f31571705dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f311f52e1bb in cnd_wait (mtx=0x56111c9b6590, cond=0x56111c9b65b8) at ../../include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input@entry=0x56111c9b6ed0) at u_queue.c:158
#3  0x00007f311f52def7 in impl_thrd_routine (p=<optimized out>) at ../../include/c11/threads_posix.h:87
#4  0x00007f315716a4d7 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f315df4bb2f in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f3116cd2700 (LWP 7236)):
#0  0x00007f31571705dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f311f52e1bb in cnd_wait (mtx=0x56111c9b6590, cond=0x56111c9b65b8) at ../../include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input@entry=0x56111c9b6ed0) at u_queue.c:158
#3  0x00007f311f52def7 in impl_thrd_routine (p=<optimized out>) at ../../include/c11/threads_posix.h:87
#4  0x00007f315716a4d7 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f315df4bb2f in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f31176d8700 (LWP 7235)):
#0  0x00007f31571705dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f311f52e1bb in cnd_wait (mtx=0x56111c9b23f0, cond=0x56111c9b2418) at ../../include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input@entry=0x56111c98ca00) at u_queue.c:158
#3  0x00007f311f52def7 in impl_thrd_routine (p=<optimized out>) at ../../include/c11/threads_posix.h:87
#4  0x00007f315716a4d7 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f315df4bb2f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f3117ed9700 (LWP 7234)):
#0  0x00007f31571705dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f311f52e1bb in cnd_wait (mtx=0x56111c9b1a00, cond=0x56111c9b1a28) at ../../include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input@entry=0x56111c9b0b90) at u_queue.c:158
#3  0x00007f311f52def7 in impl_thrd_routine (p=<optimized out>) at ../../include/c11/threads_posix.h:87
#4  0x00007f315716a4d7 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f315df4bb2f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f312ffff700 (LWP 7232)):
#0  0x00007f315df42266 in ppoll () from /lib64/libc.so.6
#1  0x00007f315b56a649 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /usr/lib64/libQt5Core.so.5
#2  0x00007f315b56bc26 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#3  0x00007f315b51735a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f315b34731a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#5  0x00007f3155c72705 in QQmlThreadPrivate::run() () from /usr/lib64/libQt5Qml.so.5
#6  0x00007f315b34bd2e in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f315716a4d7 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f315df4bb2f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f313f13a700 (LWP 7211)):
#0  0x00007f315df42266 in ppoll () from /lib64/libc.so.6
#1  0x00007f315b56a649 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /usr/lib64/libQt5Core.so.5
#2  0x00007f315b56bc26 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#3  0x00007f315b51735a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f315b34731a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#5  0x00007f3154e39a45 in ?? () from /usr/lib64/libQt5DBus.so.5
#6  0x00007f315b34bd2e in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f315716a4d7 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f315df4bb2f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f31453fa700 (LWP 7209)):
#0  0x00007f315df4218d in poll () from /lib64/libc.so.6
#1  0x00007f315d067387 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f315d06916a in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f31464ef4b9 in QXcbEventReader::run() () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f315b34bd2e in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f315716a4d7 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f315df4bb2f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f315e5c2900 (LWP 7206)):
[KCrash Handler]
#6  0x00007f311f8be72e in si_emit_draw_packets (ib=0x56111c8dc518, info=0x7ffe9c6f1640, sctx=0x56111c8d9920) at si_state_draw.c:667
#7  si_draw_vbo (ctx=0x56111c8d9920, info=<optimized out>) at si_state_draw.c:1340
#8  0x00007f311f642a52 in u_vbuf_draw_vbo (mgr=0x56111cdb28e0, info=<optimized out>) at util/u_vbuf.c:1174
#9  0x00007f311f43b2e0 in st_draw_vbo (ctx=0x7f3124019010, prims=<optimized out>, nr_prims=<optimized out>, ib=0x7ffe9c6f1710, index_bounds_valid=<optimized out>, min_index=<optimized out>, max_index=<optimized out>, tfb_vertcount=0x0, stream=0, indirect=0x0) at state_tracker/st_draw.c:262
#10 0x00007f311f4005b0 in vbo_validated_drawrangeelements (ctx=ctx@entry=0x7f3124019010, mode=mode@entry=5, index_bounds_valid=index_bounds_valid@entry=0 '\000', start=start@entry=4294967295, end=end@entry=4294967295, count=count@entry=4, type=5123, indices=0x2, basevertex=0, numInstances=1, baseInstance=0) at vbo/vbo_exec_array.c:812
#11 0x00007f311f400a29 in vbo_exec_DrawElements (mode=5, count=4, type=5123, indices=0x2) at vbo/vbo_exec_array.c:943
#12 0x00007f3156325d47 in QSGBatchRenderer::Renderer::renderMergedBatch(QSGBatchRenderer::Batch const*) () from /usr/lib64/libQt5Quick.so.5
#13 0x00007f3156326f45 in QSGBatchRenderer::Renderer::renderBatches() () from /usr/lib64/libQt5Quick.so.5
#14 0x00007f315632c3ec in QSGBatchRenderer::Renderer::render() () from /usr/lib64/libQt5Quick.so.5
#15 0x00007f315631d41a in QSGRenderer::renderScene(QSGBindable const&) () from /usr/lib64/libQt5Quick.so.5
#16 0x00007f315631d8ab in QSGRenderer::renderScene(unsigned int) () from /usr/lib64/libQt5Quick.so.5
#17 0x00007f31563563f0 in QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from /usr/lib64/libQt5Quick.so.5
#18 0x00007f31563af098 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () from /usr/lib64/libQt5Quick.so.5
#19 0x00007f3156348f94 in QSGGuiThreadRenderLoop::renderWindow(QQuickWindow*) () from /usr/lib64/libQt5Quick.so.5
#20 0x00007f31563b8bee in QQuickWindow::event(QEvent*) () from /usr/lib64/libQt5Quick.so.5
#21 0x00007f307be91ecb in PlasmaQuick::Dialog::event (this=0x56111cc23960, event=0x7ffe9c6f20a0) at /usr/src/debug/plasma-framework-5.36.0/src/plasmaquick/dialog.cpp:1281
#22 0x00007f315c29d93c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#23 0x00007f315c2a4cb4 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#24 0x00007f315b518d48 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#25 0x00007f315baeee91 in QWindowPrivate::deliverUpdateRequest() () from /usr/lib64/libQt5Gui.so.5
#26 0x00007f315baef349 in QWindow::event(QEvent*) () from /usr/lib64/libQt5Gui.so.5
#27 0x00007f31563b8ba5 in QQuickWindow::event(QEvent*) () from /usr/lib64/libQt5Quick.so.5
#28 0x00007f307be91ecb in PlasmaQuick::Dialog::event (this=0x56111cc23960, event=0x7ffe9c6f24e0) at /usr/src/debug/plasma-framework-5.36.0/src/plasmaquick/dialog.cpp:1281
#29 0x00007f315c29d93c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#30 0x00007f315c2a4cb4 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#31 0x00007f315b518d48 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#32 0x00007f315b56dc3e in QTimerInfoList::activateTimers() () from /usr/lib64/libQt5Core.so.5
#33 0x00007f315b56be92 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#34 0x00007f314654f0ed in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5XcbQpa.so.5
#35 0x00007f315b51735a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#36 0x00007f315b51fbe4 in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5
#37 0x00007f315e20d5a6 in kdemain (argc=<optimized out>, argv=0x7ffe9c6f28f8) at /usr/src/debug/kwin-5.10.4/main_x11.cpp:466
#38 0x00007f315de7e46a in __libc_start_main () from /lib64/libc.so.6
#39 0x000056111b08086a in _start () at ../sysdeps/x86_64/start.S:120

Reported using DrKonqi
Comment 1 Martin Flöser 2017-08-20 17:25:08 UTC 
Unfortunately the crash is in the OpenGL driver triggered from somewhere in Qt. This is not our code, we are a victim and there is nothing we can do.

Your backtrace is really good, so please create a bug report against your OpenGL driver vendor, they are the only one who can fix this problem.