[kwin] [Bug 374649] KWin crashes when closing the virtualbox settings dialog

[Martin Gräßlin]

https://bugs.kde.org/show_bug.cgi?id=374649

Martin Gräßlin  changed:

   What|Removed |Added

 Resolution|--- |DUPLICATE
 Status|UNCONFIRMED |RESOLVED

--- Comment #2 from Martin Gräßlin  ---


*** This bug has been marked as a duplicate of bug 363224 ***

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[kwin] [Bug 374649] KWin crashes when closing the virtualbox settings dialog

[Martin Gräßlin]

https://bugs.kde.org/show_bug.cgi?id=374649

--- Comment #1 from Martin Gräßlin  ---
Backtrace from attachement:

Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1df3651800 (LWP 1972))]

Thread 6 (Thread 0x7f1db795c700 (LWP 2015)):
#0  0x7f1df217503f in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x7f1df031746b in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x5322c20) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x5395a88,
mutex=mutex@entry=0x5395a80, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x7f1deb7d975b in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x5395a78) at
/usr/src/debug/qtdeclarative-opensource-src-5.7.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:242
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x5395a00) at
/usr/src/debug/qtdeclarative-opensource-src-5.7.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:690
#5  0x7f1deb7db5d5 in QSGRenderThread::run (this=0x5395a00) at
/usr/src/debug/qtdeclarative-opensource-src-5.7.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:719
#6  0x7f1df03167f9 in QThreadPrivate::start (arg=0x5395a00) at
thread/qthread_unix.cpp:368
#7  0x7f1df21710a4 in start_thread () from /lib64/libpthread.so.0
#8  0x7f1df2fdc02d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f1db5251700 (LWP 1990)):
#0  0x7f1df217503f in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x7f1def4a8acb in QTWTF::TCMalloc_PageHeap::scavengerThread
(this=0x7f1def78eec0 ) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x7f1def4a8af9 in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x7f1df21710a4 in start_thread () from /lib64/libpthread.so.0
#4  0x7f1df2fdc02d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f1dc5849700 (LWP 1986)):
#0  0x7f1df2fd3bfd in poll () from /lib64/libc.so.6
#1  0x7f1df051885a in poll (__timeout=-1, __nfds=1, __fds=0x7f1dbc000ac8)
at /usr/include/bits/poll2.h:46
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f1dbc000ac8) at
kernel/qcore_unix.cpp:83
#3  qt_safe_poll (fds=0x7f1dbc000ac8, nfds=1, timeout_ts=timeout_ts@entry=0x0)
at kernel/qcore_unix.cpp:102
#4  0x7f1df051a097 in QEventDispatcherUNIX::processEvents (this=, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#5  0x7f1df04cc2db in QEventLoop::exec (this=this@entry=0x7f1dc5848db0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x7f1df0311fca in QThread::exec (this=this@entry=0x268d1f0) at
thread/qthread.cpp:507
#7  0x7f1deb1073e8 in QQmlThreadPrivate::run (this=0x268d1f0) at
/usr/src/debug/qtdeclarative-opensource-src-5.7.1/src/qml/qml/ftw/qqmlthread.cpp:147
#8  0x7f1df03167f9 in QThreadPrivate::start (arg=0x268d1f0) at
thread/qthread_unix.cpp:368
#9  0x7f1df21710a4 in start_thread () from /lib64/libpthread.so.0
#10 0x7f1df2fdc02d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f1dd16d5700 (LWP 1985)):
#0  0x7f1df2fd3bfd in poll () from /lib64/libc.so.6
#1  0x7f1df051885a in poll (__timeout=-1, __nfds=1, __fds=0x7f1dcac8)
at /usr/include/bits/poll2.h:46
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f1dcac8) at
kernel/qcore_unix.cpp:83
#3  qt_safe_poll (fds=0x7f1dcac8, nfds=1, timeout_ts=timeout_ts@entry=0x0)
at kernel/qcore_unix.cpp:102
#4  0x7f1df051a097 in QEventDispatcherUNIX::processEvents (this=, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#5  0x7f1df04cc2db in QEventLoop::exec (this=this@entry=0x7f1dd16d4db0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x7f1df0311fca in QThread::exec (this=this@entry=0x2593ef0) at
thread/qthread.cpp:507
#7  0x7f1deb1073e8 in QQmlThreadPrivate::run (this=0x2593ef0) at
/usr/src/debug/qtdeclarative-opensource-src-5.7.1/src/qml/qml/ftw/qqmlthread.cpp:147
#8  0x7f1df03167f9 in QThreadPrivate::start (arg=0x2593ef0) at
thread/qthread_unix.cpp:368
#9  0x7f1df21710a4 in start_thread () from /lib64/libpthread.so.0
#10 0x7f1df2fdc02d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f1ddbf0e700 (LWP 1975)):
#0  0x7f1df2fd3bfd in poll () from /lib64/libc.so.6
#1  0x7f1df051885a in poll (__timeout=-1, __nfds=1, __fds=0x7f1dd400d178)
at /usr/include/bits/poll2.h:46
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f1dd400d178) at
kernel/qcore_unix.cpp:83
#3  qt_safe_poll (fds=0x7f1dd400d178, nfds=1, timeout_ts=timeout_ts@entry=0x0)
at kernel/qcore_unix.cpp:102
#4  0x7f1df051a097 in QEventDispatcherUNIX::processEvents (this=, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#5  0x7f1df04cc2db in QEventLoop::exec (this=this@entry=0x7f1ddbf0dda0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6