Bug 378643

Summary:	Minimizing Window
Product:	[Frameworks and Libraries] smaragd	Reporter:	Tweak <bloodlegion>
Component:	general	Assignee:	Christoph Feck <cfeck>
Status:	RESOLVED FIXED
Severity:	crash	Keywords:	drkonqi
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Ubuntu
OS:	Linux
Latest Commit:	https://commits.kde.org/smaragd/badfc12d42fffe616af161d9563959e528e1e29e	Version Fixed/Implemented In:
Sentry Crash Report:

Description Tweak 2017-04-11 02:03:32 UTC

Application: kwin_x11 (5.9.4)

Qt Version: 5.7.1
Frameworks Version: 5.31.0
Operating System: Linux 4.10.0-19-generic x86_64
Distribution: Ubuntu 17.04

-- Information about the crash:
- What I was doing when the application crashed:

Minimizing windows sometimes causes Kwin to crash.

- Custom settings of the application:

I'm using Emerald decorations in colaboration with Kwin.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff445c9b580 (LWP 23279))]

Thread 5 (Thread 0x7ff4099d1700 (LWP 23291)):
#0  0x00007ff43edca510 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff4420f52c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007ff4420f5309 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007ff43edc46da in start_thread (arg=0x7ff4099d1700) at pthread_create.c:456
#4  0x00007ff4456d017f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7ff40a1d2700 (LWP 23290)):
#0  0x00007ff43edca510 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff40ae3c52b in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007ff40ae3c257 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007ff43edc46da in start_thread (arg=0x7ff40a1d2700) at pthread_create.c:456
#4  0x00007ff4456d017f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7ff4197c6700 (LWP 23288)):
#0  0x00007ff4456c4251 in __GI_ppoll (fds=0x7ff410000ac8, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007ff442f8b251 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007ff442f8cb4a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007ff442f3988a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff442d66fe3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff43db31df5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007ff442d6bc98 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff43edc46da in start_thread (arg=0x7ff4197c6700) at pthread_create.c:456
#8  0x00007ff4456d017f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7ff42c488700 (LWP 23282)):
#0  0x00007ff4456c4251 in __GI_ppoll (fds=0x7ff42400d598, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007ff442f8b251 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007ff442f8cb4a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007ff442f3988a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff442d66fe3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff43cd0a5c5 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6  0x00007ff442d6bc98 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff43edc46da in start_thread (arg=0x7ff42c488700) at pthread_create.c:456
#8  0x00007ff4456d017f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7ff445c9b580 (LWP 23279)):
[KCrash Handler]
#6  0x00007ff44188418b in KDecoration2::Decoration::update(QRect const&) () at /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#7  0x00007ff441888fca in KDecoration2::DecorationButton::update(QRectF const&) () at /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#8  0x00007ff41a9bc0f4 in Smaragd::DecorationButton::setHoverProgress(double) () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kdecoration2/kwin_smaragd.so
#9  0x00007ff41a9d646e in Smaragd::DecorationButton::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kdecoration2/kwin_smaragd.so
#10 0x00007ff41a9d6572 in Smaragd::DecorationButton::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kdecoration2/kwin_smaragd.so
#11 0x00007ff442d44b7a in QPropertyAnimation::updateCurrentValue(QVariant const&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007ff442d40cc8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007ff442d413f3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007ff442d3e23f in QAbstractAnimation::setCurrentTime(int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007ff442d3e52d in QUnifiedTimer::updateAnimationTimers(long long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007ff442d3f19c in QAnimationDriver::advanceAnimation(long long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007ff442f68313 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007ff443c1335c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007ff443c1ab11 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007ff442f3b8a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007ff442f8eeae in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007ff442f8cdba in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007ff42b55c9fd in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#24 0x00007ff442f3988a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007ff442f41ffc in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007ff445998112 in kdemain () at /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#27 0x00007ff4455e83f1 in __libc_start_main (main=0x563618cb97e0, argc=3, argv=0x7ffc3c9796c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc3c9796b8) at ../csu/libc-start.c:291
#28 0x0000563618cb981a in _start ()

Reported using DrKonqi

Comment 1 Christoph Feck 2017-04-11 16:52:46 UTC

Git commit badfc12d42fffe616af161d9563959e528e1e29e by Christoph Feck.
Committed on 11/04/2017 at 16:51.
Pushed by cfeck into branch 'kdecoration2'.

Fix crash when trying to update already deleted client

M  +3    -1    src/kwin_smaragd.cpp

https://commits.kde.org/smaragd/badfc12d42fffe616af161d9563959e528e1e29e