https://bugs.kde.org/show_bug.cgi?id=408333
Bug ID: 408333
Summary: KWin crashes when mouse is dragging windows to any
desktop border
Product: kwin
Version: 5.15.90
Platform: Compiled Sources
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: andreas.sturmlech...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.15.90)
(Compiled from sources)
Qt Version: 5.12.3
Frameworks Version: 5.59.0
Operating System: Linux 5.0.10-gentoo x86_64
Distribution: "Gentoo Base System release 2.6"
-- Information about the crash:
- What I was doing when the application crashed:
$summary, KWin crashes exactly when the cursor is hitting the border.
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 0x7f63e0341880 (LWP 602))]
Thread 8 (Thread 0x7f63dce59700 (LWP 1241)):
#0 futex_wait_cancelable (private=0, expected=0, futex_word=0x563692282914) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x5636922828c0,
cond=0x5636922828e8) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x5636922828e8, mutex=0x5636922828c0) at
pthread_cond_wait.c:655
#3 0x00007f63e9e92a03 in QWaitConditionPrivate::wait (deadline=...,
this=0x5636922828c0) at thread/qwaitcondition_unix.cpp:146
#4 QWaitCondition::wait (this=<optimized out>, mutex=0x5636922d1fc0,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5 0x00007f63e9e92a89 in QWaitCondition::wait (this=this@entry=0x5636922d1fc8,
mutex=mutex@entry=0x5636922d1fc0, time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6 0x00007f63e70f43a9 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x5636922d1fb8) at scenegraph/qsgthreadedrenderloop.cpp:245
#7 QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x5636922d1f40) at scenegraph/qsgthreadedrenderloop.cpp:710
#8 0x00007f63e70f460a in QSGRenderThread::run (this=0x5636922d1f40) at
scenegraph/qsgthreadedrenderloop.cpp:739
#9 0x00007f63e9e8d1f1 in QThreadPrivate::start (arg=0x5636922d1f40) at
thread/qthread_unix.cpp:361
#10 0x00007f63e77b3408 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#11 0x00007f63eb44980f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 0x7f63ccc61700 (LWP 1240)):
#0 futex_wait_cancelable (private=0, expected=0, futex_word=0x7f63d800684c) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x7f63d80067f8,
cond=0x7f63d8006820) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x7f63d8006820, mutex=0x7f63d80067f8) at
pthread_cond_wait.c:655
#3 0x00007f63cdb9527b in cnd_wait (mtx=0x7f63d80067f8, cond=0x7f63d8006820) at
../mesa-19.1.0-rc4/include/c11/threads_posix.h:155
#4 util_queue_thread_func (input=input@entry=0x7f63d8006760) at
../mesa-19.1.0-rc4/src/util/u_queue.c:272
#5 0x00007f63cdb94ea7 in impl_thrd_routine (p=<optimized out>) at
../mesa-19.1.0-rc4/include/c11/threads_posix.h:87
#6 0x00007f63e77b3408 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#7 0x00007f63eb44980f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7f63bef3a700 (LWP 683)):
#0 futex_wait_cancelable (private=0, expected=0, futex_word=0x7f63e9791fb8
<QTWTF::pageheap_memory+57592>) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x7f63e9791f68
<QTWTF::pageheap_memory+57512>, cond=0x7f63e9791f90
<QTWTF::pageheap_memory+57552>) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x7f63e9791f90 <QTWTF::pageheap_memory+57552>,
mutex=0x7f63e9791f68 <QTWTF::pageheap_memory+57512>) at pthread_cond_wait.c:655
#3 0x00007f63e969e01a in QTWTF::TCMalloc_PageHeap::scavengerThread
(this=0x7f63e9783ec0 <QTWTF::pageheap_memory>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4 0x00007f63e969e039 in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5 0x00007f63e77b3408 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6 0x00007f63eb44980f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7f63cd74e700 (LWP 679)):
#0 futex_wait_cancelable (private=0, expected=0, futex_word=0x5636913fb5ac) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x5636913fb558,
cond=0x5636913fb580) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x5636913fb580, mutex=0x5636913fb558) at
pthread_cond_wait.c:655
#3 0x00007f63cdb9527b in cnd_wait (mtx=0x5636913fb558, cond=0x5636913fb580) at
../mesa-19.1.0-rc4/include/c11/threads_posix.h:155
#4 util_queue_thread_func (input=input@entry=0x56369160aac0) at
../mesa-19.1.0-rc4/src/util/u_queue.c:272
#5 0x00007f63cdb94ea7 in impl_thrd_routine (p=<optimized out>) at
../mesa-19.1.0-rc4/include/c11/threads_posix.h:87
#6 0x00007f63e77b3408 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#7 0x00007f63eb44980f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f63cffff700 (LWP 676)):
#0 0x00007f63eb43d886 in __GI_ppoll (fds=fds@entry=0x7f63c8000d28,
nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0,
sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f63ea066c89 in ppoll (__ss=<optimized out>, __timeout=<optimized
out>, __nfds=<optimized out>, __fds=<optimized out>) at
/usr/include/bits/poll2.h:77
#2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f63c8000d28) at
kernel/qcore_unix.cpp:132
#3 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f63c8000d28) at
kernel/qcore_unix.cpp:129
#4 qt_safe_poll (fds=0x7f63c8000d28, nfds=nfds@entry=1,
timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:153
#5 0x00007f63ea067cd9 in QEventDispatcherUNIX::processEvents (this=<optimized
out>, flags=...) at
../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6 0x00007f63ea0189f3 in QEventLoop::exec (this=this@entry=0x7f63cfffed00,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#7 0x00007f63e9e8bfc6 in QThread::exec (this=this@entry=0x5636915c1e00) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#8 0x00007f63e6d70915 in QQmlThreadPrivate::run (this=0x5636915c1e00) at
qml/ftw/qqmlthread.cpp:148
#9 0x00007f63e9e8d1f1 in QThreadPrivate::start (arg=0x5636915c1e00) at
thread/qthread_unix.cpp:361
#10 0x00007f63e77b3408 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#11 0x00007f63eb44980f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f63de31a700 (LWP 645)):
#0 0x00007f63eb43d886 in __GI_ppoll (fds=fds@entry=0x7f63d000a3e8,
nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0,
sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f63ea066c89 in ppoll (__ss=<optimized out>, __timeout=<optimized
out>, __nfds=<optimized out>, __fds=<optimized out>) at
/usr/include/bits/poll2.h:77
#2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f63d000a3e8) at
kernel/qcore_unix.cpp:132
#3 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f63d000a3e8) at
kernel/qcore_unix.cpp:129
#4 qt_safe_poll (fds=0x7f63d000a3e8, nfds=nfds@entry=1,
timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:153
#5 0x00007f63ea067cd9 in QEventDispatcherUNIX::processEvents (this=<optimized
out>, flags=...) at
../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6 0x00007f63ea0189f3 in QEventLoop::exec (this=this@entry=0x7f63de319cf0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#7 0x00007f63e9e8bfc6 in QThread::exec (this=this@entry=0x7f63e684bd80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#8 0x00007f63e67cc565 in QDBusConnectionManager::run (this=0x7f63e684bd80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#9 0x00007f63e9e8d1f1 in QThreadPrivate::start (arg=0x7f63e684bd80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:361
#10 0x00007f63e77b3408 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#11 0x00007f63eb44980f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f63def8a700 (LWP 631)):
#0 0x00007f63eb43d793 in __GI___poll (fds=0x7f63def89c28, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f63e9bb37e7 in ?? () from /usr/lib64/libxcb.so.1
#2 0x00007f63e9bb540a in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3 0x00007f63dfc90cb8 in QXcbEventQueue::run (this=0x5636912c3740) at
qxcbeventqueue.cpp:228
#4 0x00007f63e9e8d1f1 in QThreadPrivate::start (arg=0x5636912c3740) at
thread/qthread_unix.cpp:361
#5 0x00007f63e77b3408 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6 0x00007f63eb44980f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f63e0341880 (LWP 602)):
[KCrash Handler]
#7 0x00007f63cdbf6924 in _mesa_glthread_finish (ctx=0x0) at
../mesa-19.1.0-rc4/src/mesa/main/glthread.c:184
#8 0x00007f63cdb57874 in intelUnbindContext (driContextPriv=<optimized out>)
at ../mesa-19.1.0-rc4/src/mesa/drivers/dri/i965/brw_context.c:1232
#9 0x00007f63cdb8cdca in driUnbindContext (pcp=0x5636915a1040) at
../mesa-19.1.0-rc4/src/mesa/drivers/dri/common/dri_util.c:615
#10 0x00007f63e42edb4b in dri2_make_current (drv=0x563691620ba0,
disp=0x563691469e20, dsurf=0x563691715ee0, rsurf=0x563691715ee0, ctx=<optimized
out>) at ../mesa-19.1.0-rc4/src/egl/drivers/dri2/egl_dri2.c:1479
#11 0x00007f63e42dc9e4 in eglMakeCurrent (dpy=0x563691469e20, draw=<optimized
out>, read=0x563691715ee0, ctx=<optimized out>) at
../mesa-19.1.0-rc4/src/egl/main/eglapi.c:869
#12 0x00007f63ddb0818e in KWin::AbstractEglBackend::makeCurrent
(this=0x56369170b530) at
/var/tmp/portage/kde-plasma/kwin-5.16.49.9999/work/kwin-5.16.49.9999/platformsupport/scenes/opengl/abstract_egl_backend.cpp:199
#13 0x00007f63dc1d109a in KWin::SceneOpenGL::paint
(this=this@entry=0x5636913ae2f0, damage=..., toplevels=...) at
/var/tmp/portage/kde-plasma/kwin-5.16.49.9999/work/kwin-5.16.49.9999/plugins/scenes/opengl/scene_opengl.cpp:692
#14 0x00007f63eb1ad8fa in KWin::Compositor::performCompositing
(this=0x56369131bac0) at
/var/tmp/portage/kde-plasma/kwin-5.16.49.9999/work/kwin-5.16.49.9999/composite.cpp:746
#15 0x00007f63ea04279b in QObject::event (this=0x56369131bac0, e=<optimized
out>) at kernel/qobject.cpp:1241
#16 0x00007f63ea9284c1 in QApplicationPrivate::notify_helper
(this=this@entry=0x5636912aadf0, receiver=receiver@entry=0x56369131bac0,
e=e@entry=0x7ffc04289dd0) at kernel/qapplication.cpp:3736
#17 0x00007f63ea92f8b8 in QApplication::notify (this=0x7ffc0428a050,
receiver=0x56369131bac0, e=0x7ffc04289dd0) at kernel/qapplication.cpp:3483
#18 0x00007f63ea019a21 in QCoreApplication::notifyInternal2
(receiver=0x56369131bac0, event=0x7ffc04289dd0) at
kernel/qcoreapplication.cpp:1060
#19 0x00007f63ea0699c4 in QTimerInfoList::activateTimers
(this=this@entry=0x563691304da0) at kernel/qtimerinfo_unix.cpp:643
#20 0x00007f63ea0670bc in QEventDispatcherUNIXPrivate::activateTimers
(this=this@entry=0x563691304d00) at kernel/qeventdispatcher_unix.cpp:249
#21 0x00007f63ea067dfc in QEventDispatcherUNIX::processEvents (this=<optimized
out>, flags=...) at kernel/qeventdispatcher_unix.cpp:514
#22 0x00007f63dfc91ffe in QXcbUnixEventDispatcher::processEvents
(this=0x5636913038d0, flags=...) at qxcbeventdispatcher.cpp:60
#23 0x00007f63ea0189f3 in QEventLoop::exec (this=this@entry=0x7ffc04289f60,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#24 0x00007f63ea020602 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#25 0x00007f63eb51cf3a in kdemain (argc=<optimized out>, argv=0x7ffc0428a1f8)
at
/var/tmp/portage/kde-plasma/kwin-5.16.49.9999/work/kwin-5.16.49.9999/main_x11.cpp:470
#26 0x00007f63eb367ebb in __libc_start_main (main=0x5636906eb060 <main>,
argc=3, argv=0x7ffc0428a1f8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc0428a1e8) at ../csu/libc-start.c:308
#27 0x00005636906eb09a in _start ()
[Inferior 1 (process 602) detached]
Reported using DrKonqi
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