Bug 380057

Summary:	Kwin Segmentation fault
Product:	[Plasma] kwin	Reporter:	Osama <osama.rayoun>
Component:	egl	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED WORKSFORME
Severity:	normal	Keywords:	triaged
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Osama 2017-05-21 18:51:33 UTC

Application: kwin_x11 (5.8.1)

Qt Version: 5.7.0
Frameworks Version: 5.27.0
Operating System: Linux 4.8.6-300.fc25.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
<I was in Apper, checking installed apps, then I had multiple crashes, kwin is one of them.>

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f79d209e940 (LWP 1351))]

Thread 6 (Thread 0x7f7929963700 (LWP 2177)):
#0  0x00007f79e24350d1 in ppoll () from /lib64/libc.so.6
#1  0x00007f79e3237051 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /lib64/libQt5Core.so.5
#2  0x00007f79e3238566 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#3  0x00007f79e31ec0ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f79e3049643 in QThread::exec() () from /lib64/libQt5Core.so.5
#5  0x00007f79e9cef735 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#6  0x00007f79e304da1a in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007f79e524b6ca in start_thread () from /lib64/libpthread.so.0
#8  0x00007f79e2440f6f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f79b67f9700 (LWP 1563)):
#0  0x00007f79e5251460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f79eaa97bd4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib64/libQt5Script.so.5
#2  0x00007f79eaa97c19 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib64/libQt5Script.so.5
#3  0x00007f79e524b6ca in start_thread () from /lib64/libpthread.so.0
#4  0x00007f79e2440f6f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f79c298e700 (LWP 1528)):
#0  0x00007f79e24350d1 in ppoll () from /lib64/libc.so.6
#1  0x00007f79e3237051 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /lib64/libQt5Core.so.5
#2  0x00007f79e3238566 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#3  0x00007f79e31ec0ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f79e3049643 in QThread::exec() () from /lib64/libQt5Core.so.5
#5  0x00007f79e9cef735 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#6  0x00007f79e304da1a in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007f79e524b6ca in start_thread () from /lib64/libpthread.so.0
#8  0x00007f79e2440f6f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f79c9092700 (LWP 1362)):
#0  0x00007f79e24350d1 in ppoll () from /lib64/libc.so.6
#1  0x00007f79e3237051 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /lib64/libQt5Core.so.5
#2  0x00007f79e3238566 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#3  0x00007f79e31ec0ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f79e3049643 in QThread::exec() () from /lib64/libQt5Core.so.5
#5  0x00007f79e4d687a9 in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#6  0x00007f79e304da1a in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007f79e524b6ca in start_thread () from /lib64/libpthread.so.0
#8  0x00007f79e2440f6f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f79ca76f700 (LWP 1353)):
#0  0x00007f79e243500d in poll () from /lib64/libc.so.6
#1  0x00007f79e4b36d10 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f79e4b38aa9 in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f79cb41fa19 in QXcbEventReader::run() () from /lib64/libQt5XcbQpa.so.5
#4  0x00007f79e304da1a in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007f79e524b6ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007f79e2440f6f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f79d209e940 (LWP 1351)):
[KCrash Handler]
#6  0x00007f79e354fa00 in QPalette::QPalette(QPalette const&) () from /lib64/libQt5Gui.so.5
#7  0x00007f79e3a3a7e9 in QApplicationPrivate::setPalette_helper(QPalette const&, char const*, bool) () from /lib64/libQt5Widgets.so.5
#8  0x00007f79c9d57b3a in KHintsSettings::slotNotifyChange(int, int) () from /usr/lib64/qt5/plugins/platformthemes/KDEPlasmaPlatformTheme.so
#9  0x00007f79c9d63965 in KHintsSettings::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/qt5/plugins/platformthemes/KDEPlasmaPlatformTheme.so
#10 0x00007f79e4d747f0 in QDBusConnectionPrivate::deliverCall(QObject*, int, QDBusMessage const&, QVector<int> const&, int) () from /lib64/libQt5DBus.so.5
#11 0x00007f79e32150d9 in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5
#12 0x00007f79e3a3796c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#13 0x00007f79e3a3f111 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#14 0x00007f79e31ed12a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#15 0x00007f79e31ef800 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5
#16 0x00007f79e32383db in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#17 0x00007f79cb4987ed in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5XcbQpa.so.5
#18 0x00007f79e31ec0ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#19 0x00007f79e31f3bac in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#20 0x00007f79eb7b30b6 in kdemain () from /lib64/libkdeinit5_kwin_x11.so
#21 0x00007f79e2359401 in __libc_start_main () from /lib64/libc.so.6
#22 0x000055c31624acca in _start ()

Comment 1 Martin Flöser 2017-05-22 14:42:29 UTC

Unfortunately the backtrace is missing debug symbols. If you are able to reproduce please install debug packages and attach a new backtrace.

Comment 2 Osama 2017-05-22 14:54:15 UTC

@mar(In reply to Martin Flöser from comment #1)
> Unfortunately the backtrace is missing debug symbols. If you are able to
> reproduce please install debug packages and attach a new backtrace.

I installed Ubuntu afterwards, so I can't, sorry!
but I'm new to reporting bugs, so if you can give me some advice before reporting any bugs to make it helpful, I'd be grateful.

Comment 3 Andrew Crouthamel 2018-09-28 02:41:17 UTC

Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days, the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information.

For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please set the bug status as REPORTED so that the KDE team knows that the bug is ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!

Comment 4 Andrew Crouthamel 2018-10-28 03:24:44 UTC

Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information.

For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!