https://bugs.kde.org/show_bug.cgi?id=361018
Bug ID: 361018
Summary: kwin crashes
Product: kwin
Version: 5.6.0
Platform: Compiled Sources
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: endymion+...@thetys-retz.net
Application: kwin_x11 (5.6.0)
(Compiled from sources)
Qt Version: 5.5.1
Frameworks Version: 5.20.0
Operating System: Linux 4.5.0-gentoo x86_64
Distribution: "Gentoo Base System release 2.2"
-- Information about the crash:
- Most of the time, launching mpv 0.16.0 makes kwin to crash.
mpv is compiled from source, and I'm using EGL backend.
The crash can be reproduced sometimes.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7fda60863840 (LWP 1420))]
Thread 8 (Thread 0x7fda5fd0a700 (LWP 1429)):
#0 0x00007fda76bf4c8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007fda75007b12 in poll (__timeout=-1, __nfds=1, __fds=0x7fda5fd09c80)
at /usr/include/bits/poll2.h:46
#2 _xcb_conn_wait (c=c@entry=0x638910, cond=cond@entry=0x638950,
vector=vector@entry=0x0, count=count@entry=0x0) at
/var/tmp/portage/x11-libs/libxcb-1.11.1/work/libxcb-1.11.1/src/xcb_conn.c:459
#3 0x00007fda750098d7 in xcb_wait_for_event (c=0x638910) at
/var/tmp/portage/x11-libs/libxcb-1.11.1/work/libxcb-1.11.1/src/xcb_in.c:693
#4 0x00007fda605b4ce9 in QXcbEventReader::run (this=0x64b8f0) at
qxcbconnection.cpp:1229
#5 0x00007fda752c1812 in QThreadPrivate::start (arg=0x64b8f0) at
thread/qthread_unix.cpp:331
#6 0x00007fda76eba5c6 in start_thread (arg=0x7fda5fd0a700) at
pthread_create.c:334
#7 0x00007fda76bfe0cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 7 (Thread 0x7fda54c86700 (LWP 1430)):
#0 pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007fda5e948a8b in cnd_wait (mtx=0x68d990, cond=0x68d9b8) at
/var/tmp/portage/media-libs/mesa-11.1.2-r1/work/mesa-11.1.2/include/c11/threads_posix.h:159
#2 pipe_semaphore_wait (sema=0x68d990) at
/var/tmp/portage/media-libs/mesa-11.1.2-r1/work/mesa-11.1.2/src/gallium/auxiliary/os/os_thread.h:259
#3 radeon_drm_cs_emit_ioctl (param=param@entry=0x68d640) at
/var/tmp/portage/media-libs/mesa-11.1.2-r1/work/mesa-11.1.2/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c:653
#4 0x00007fda5e9481b7 in impl_thrd_routine (p=<optimized out>) at
/var/tmp/portage/media-libs/mesa-11.1.2-r1/work/mesa-11.1.2/include/c11/threads_posix.h:87
#5 0x00007fda76eba5c6 in start_thread (arg=0x7fda54c86700) at
pthread_create.c:334
#6 0x00007fda76bfe0cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 6 (Thread 0x7fda51f03700 (LWP 1449)):
#0 0x00007fda76bf6bc3 in select () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007fda754b49af in qt_safe_select (nfds=18,
fdread=fdread@entry=0x7fda44000a78, fdwrite=fdwrite@entry=0x7fda44000d08,
fdexcept=fdexcept@entry=0x7fda44000f98, orig_timeout=orig_timeout@entry=0x0) at
kernel/qcore_unix.cpp:75
#2 0x00007fda754b5f93 in QEventDispatcherUNIX::select (timeout=0x0,
exceptfds=0x7fda44000f98, writefds=0x7fda44000d08, readfds=0x7fda44000a78,
nfds=<optimized out>, this=0x7fda440008c0) at
kernel/qeventdispatcher_unix.cpp:320
#3 QEventDispatcherUNIXPrivate::doSelect (this=this@entry=0x7fda440008e0,
flags=..., flags@entry=..., timeout=timeout@entry=0x0) at
kernel/qeventdispatcher_unix.cpp:196
#4 0x00007fda754b64be in QEventDispatcherUNIX::processEvents
(this=0x7fda440008c0, flags=...) at kernel/qeventdispatcher_unix.cpp:607
#5 0x00007fda75468fea in QEventLoop::exec (this=this@entry=0x7fda51f02d60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6 0x00007fda752bd076 in QThread::exec (this=this@entry=0x8f25b0) at
thread/qthread.cpp:503
#7 0x00007fda6f92d645 in QQmlThreadPrivate::run (this=0x8f25b0) at
qml/ftw/qqmlthread.cpp:141
#8 0x00007fda752c1812 in QThreadPrivate::start (arg=0x8f25b0) at
thread/qthread_unix.cpp:331
#9 0x00007fda76eba5c6 in start_thread (arg=0x7fda51f03700) at
pthread_create.c:334
#10 0x00007fda76bfe0cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 5 (Thread 0x7fda4affd700 (LWP 1469)):
#0 pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007fda74437e64 in QTWTF::TCMalloc_PageHeap::scavengerThread
(this=0x7fda74523a20 <QTWTF::pageheap_memory>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2 0x00007fda74437ea9 in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3 0x00007fda76eba5c6 in start_thread (arg=0x7fda4affd700) at
pthread_create.c:334
#4 0x00007fda76bfe0cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 4 (Thread 0x7fda4b7fe700 (LWP 2355)):
#0 __libc_enable_asynccancel () at
../sysdeps/unix/sysv/linux/x86_64/cancellation.S:61
#1 0x00007fda76bf6bb5 in select () at ../sysdeps/unix/syscall-template.S:84
#2 0x00007fda754b49af in qt_safe_select (nfds=16,
fdread=fdread@entry=0x7fda38000a78, fdwrite=fdwrite@entry=0x7fda38000d08,
fdexcept=fdexcept@entry=0x7fda38000f98, orig_timeout=orig_timeout@entry=0x0) at
kernel/qcore_unix.cpp:75
#3 0x00007fda754b5f93 in QEventDispatcherUNIX::select (timeout=0x0,
exceptfds=0x7fda38000f98, writefds=0x7fda38000d08, readfds=0x7fda38000a78,
nfds=<optimized out>, this=0x7fda380008c0) at
kernel/qeventdispatcher_unix.cpp:320
#4 QEventDispatcherUNIXPrivate::doSelect (this=this@entry=0x7fda380008e0,
flags=..., flags@entry=..., timeout=timeout@entry=0x0) at
kernel/qeventdispatcher_unix.cpp:196
#5 0x00007fda754b64be in QEventDispatcherUNIX::processEvents
(this=0x7fda380008c0, flags=...) at kernel/qeventdispatcher_unix.cpp:607
#6 0x00007fda75468fea in QEventLoop::exec (this=this@entry=0x7fda4b7fdd60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7 0x00007fda752bd076 in QThread::exec (this=this@entry=0xeddff0) at
thread/qthread.cpp:503
#8 0x00007fda6f92d645 in QQmlThreadPrivate::run (this=0xeddff0) at
qml/ftw/qqmlthread.cpp:141
#9 0x00007fda752c1812 in QThreadPrivate::start (arg=0xeddff0) at
thread/qthread_unix.cpp:331
#10 0x00007fda76eba5c6 in start_thread (arg=0x7fda4b7fe700) at
pthread_create.c:334
#11 0x00007fda76bfe0cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 3 (Thread 0x7fda52ada700 (LWP 2356)):
[KCrash Handler]
#6 0x00007fda69bf3356 in dri2_make_current (drv=0x66f520, disp=0x670430,
dsurf=0x0, rsurf=0x0, ctx=0x0) at
/var/tmp/portage/media-libs/mesa-11.1.2-r1/work/mesa-11.1.2/src/egl/drivers/dri2/egl_dri2.c:1199
#7 0x00007fda69be9b42 in eglMakeCurrent (dpy=0x670430, draw=draw@entry=0x0,
read=read@entry=0x0, ctx=ctx@entry=0x0) at
/var/tmp/portage/media-libs/mesa-11.1.2-r1/work/mesa-11.1.2/src/egl/main/eglapi.c:703
#8 0x00007fda774f07cf in QEGLPlatformContext::doneCurrent (this=0x11dba80) at
eglconvenience/qeglplatformcontext.cpp:400
#9 0x00007fda757bde77 in QOpenGLContext::doneCurrent (this=0x11d2dd0) at
kernel/qopenglcontext.cpp:969
#10 0x00007fda6fe20b71 in QSGRenderThread::event (this=0x11df4c0, e=<optimized
out>) at scenegraph/qsgthreadedrenderloop.cpp:348
#11 0x00007fda6fe1ef8c in QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x11df4c0) at scenegraph/qsgthreadedrenderloop.cpp:658
#12 0x00007fda6fe1f873 in QSGRenderThread::run (this=0x11df4c0) at
scenegraph/qsgthreadedrenderloop.cpp:686
#13 0x00007fda752c1812 in QThreadPrivate::start (arg=0x11df4c0) at
thread/qthread_unix.cpp:331
#14 0x00007fda76eba5c6 in start_thread (arg=0x7fda52ada700) at
pthread_create.c:334
#15 0x00007fda76bfe0cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 2 (Thread 0x7fd9b4f0f700 (LWP 17782)):
#0 pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007fda752c1efa in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x15b8790) at
thread/qwaitcondition_unix.cpp:136
#2 QWaitCondition::wait (this=this@entry=0x15afab8,
mutex=mutex@entry=0x15afab0, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:208
#3 0x00007fda6fe1efce in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x15afaa8) at scenegraph/qsgthreadedrenderloop.cpp:224
#4 QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x15afa30) at
scenegraph/qsgthreadedrenderloop.cpp:657
#5 0x00007fda6fe1f873 in QSGRenderThread::run (this=0x15afa30) at
scenegraph/qsgthreadedrenderloop.cpp:686
#6 0x00007fda752c1812 in QThreadPrivate::start (arg=0x15afa30) at
thread/qthread_unix.cpp:331
#7 0x00007fda76eba5c6 in start_thread (arg=0x7fd9b4f0f700) at
pthread_create.c:334
#8 0x00007fda76bfe0cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 1 (Thread 0x7fda60863840 (LWP 1420)):
#0 pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007fda752c1efa in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x11dbe50) at
thread/qwaitcondition_unix.cpp:136
#2 QWaitCondition::wait (this=<optimized out>, mutex=0x11df500,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3 0x00007fda6fe1cecc in QSGThreadedRenderLoop::handleObscurity
(this=this@entry=0x104df40, w=w@entry=0x11dbf30) at
scenegraph/qsgthreadedrenderloop.cpp:965
#4 0x00007fda6fe1df5b in QSGThreadedRenderLoop::windowDestroyed
(this=0x104df40, window=0x104d5e0) at scenegraph/qsgthreadedrenderloop.cpp:833
#5 0x00007fda6fe49c7b in QQuickWindow::~QQuickWindow (this=0x104d5e0,
__in_chrg=<optimized out>) at items/qquickwindow.cpp:1119
#6 0x00007fda746057de in KWin::DesktopButtonsView::~DesktopButtonsView
(this=0x104d5e0, __in_chrg=<optimized out>) at
/var/tmp/portage/kde-plasma/kwin-5.6.0/work/kwin-5.6.0_build/effects/../../kwin-5.6.0/effects/desktopgrid/desktopgrid.h:35
#7 KWin::DesktopButtonsView::~DesktopButtonsView (this=0x104d5e0,
__in_chrg=<optimized out>) at
/var/tmp/portage/kde-plasma/kwin-5.6.0/work/kwin-5.6.0_build/effects/../../kwin-5.6.0/effects/desktopgrid/desktopgrid.h:35
#8 0x00007fda75494010 in QObject::event (this=this@entry=0x104d5e0,
e=<optimized out>) at kernel/qobject.cpp:1230
#9 0x00007fda75794328 in QWindow::event (this=this@entry=0x104d5e0,
ev=ev@entry=0xdefcb0) at kernel/qwindow.cpp:2071
#10 0x00007fda6fe52e39 in QQuickWindow::event (this=0x104d5e0, e=0xdefcb0) at
items/qquickwindow.cpp:1413
#11 0x00007fda75c6c04c in QApplicationPrivate::notify_helper
(this=this@entry=0x6304b0, receiver=receiver@entry=0x104d5e0,
e=e@entry=0xdefcb0) at kernel/qapplication.cpp:3716
#12 0x00007fda75c716d5 in QApplication::notify (this=0x7ffcbc4f1700,
receiver=0x104d5e0, e=0xdefcb0) at kernel/qapplication.cpp:3499
#13 0x00007fda7546a20c in QCoreApplication::notifyInternal
(this=0x7ffcbc4f1700, receiver=0x104d5e0, event=event@entry=0xdefcb0) at
kernel/qcoreapplication.cpp:965
#14 0x00007fda7546cf16 in QCoreApplication::sendEvent (event=0xdefcb0,
receiver=<optimized out>) at kernel/qcoreapplication.h:224
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0x6205d0) at
kernel/qcoreapplication.cpp:1593
#16 0x00007fda754b6382 in QEventDispatcherUNIX::processEvents (this=0x6bf810,
flags=flags@entry=...) at kernel/qeventdispatcher_unix.cpp:579
#17 0x00007fda6061ee8d in QUnixEventDispatcherQPA::processEvents
(this=<optimized out>, flags=...) at
eventdispatchers/qunixeventdispatcher.cpp:62
#18 0x00007fda75468fea in QEventLoop::exec (this=this@entry=0x7ffcbc4f15f0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#19 0x00007fda7547047c in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1229
#20 0x00007fda7578221c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1527
#21 0x00007fda75c68325 in QApplication::exec () at kernel/qapplication.cpp:2976
#22 0x00007fda770d5924 in kdemain (argc=1, argv=0x7ffcbc4f1888) at
/var/tmp/portage/kde-plasma/kwin-5.6.0/work/kwin-5.6.0/main_x11.cpp:327
#23 0x00007fda76b335f0 in __libc_start_main (main=0x4007e0 <main(int, char**)>,
argc=3, argv=0x7ffcbc4f1888, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffcbc4f1878) at libc-start.c:289
#24 0x0000000000400819 in _start ()
Reported using DrKonqi
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