Bug 409838

Summary:	Kwin crashed
Product:	[Plasma] kwin	Reporter:	annunah
Component:	general	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED WORKSFORME
Severity:	crash	Keywords:	drkonqi
Priority:	NOR
Version:	5.16.3
Target Milestone:	---
Platform:	Ubuntu
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:

Description annunah 2019-07-15 21:13:46 UTC

Application: kwin_x11 (5.16.3)

Qt Version: 5.12.2
Frameworks Version: 5.59.0
Operating System: Linux 5.0.0-21-generic x86_64
Distribution: Ubuntu 19.04

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

i close virtual display, then system write that kwin crashes

-- 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 0x7f04c1aa9880 (LWP 13904))]

Thread 7 (Thread 0x7f0429b6c700 (LWP 13731)):
#0  0x00007f04c99e7826 in __GI_ppoll (fds=0x7f041c003918, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f04c8554041 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f04c85554b9 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f04c85035bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f04c834e2c6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f04c6cabef5 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f04c834f612 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f04c74ef182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007f04c99f3b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f0422209700 (LWP 14443)):
#0  0x00007f04c74f53bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4122abb28) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f04c74f53bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4122abad8, cond=0x55a4122abb00) at pthread_cond_wait.c:502
#2  0x00007f04c74f53bb in __pthread_cond_wait (cond=0x55a4122abb00, mutex=0x55a4122abad8) at pthread_cond_wait.c:655
#3  0x00007f04227a436b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f04227a40d7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f04c74ef182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f04c99f3b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f04b8a9e700 (LWP 14201)):
#0  0x00007f04c74f53bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f04c7ee5fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f04c74f53bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f04c7ee5f68, cond=0x7f04c7ee5f90) at pthread_cond_wait.c:502
#2  0x00007f04c74f53bb in __pthread_cond_wait (cond=0x7f04c7ee5f90, mutex=0x7f04c7ee5f68) at pthread_cond_wait.c:655
#3  0x00007f04c7defeca in  () at /lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f04c7defee9 in  () at /lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f04c74ef182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f04c99f3b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f04b9d01700 (LWP 14061)):
#0  0x00007f04c99e7826 in __GI_ppoll (fds=0x7f04b0000d28, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f04c8554041 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f04c85554b9 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f04c85035bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f04c834e2c6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f04c6cabef5 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f04c834f612 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f04c74ef182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007f04c99f3b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f04bbf59700 (LWP 13933)):
#0  0x00007f04c99e7826 in __GI_ppoll (fds=0x7f04b400b1d8, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f04c8554041 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f04c85554b9 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f04c85035bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f04c834e2c6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f04c6708565 in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#6  0x00007f04c834f612 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f04c74ef182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007f04c99f3b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f04c0eb0700 (LWP 13918)):
#0  0x00007f04c99e7729 in __GI___poll (fds=0x7f04c0eafc28, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f04c8274917 in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f04c827653a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f04c13cf6a8 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f04c834f612 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f04c74ef182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f04c99f3b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f04c1aa9880 (LWP 13904)):
[KCrash Handler]
#6  0x00007f04c970072f in KWin::Workspace::clientArea(KWin::clientAreaOption, int, int) const () at /lib/x86_64-linux-gnu/libkwin.so.5
#7  0x00007f04c970a413 in KWin::AbstractClient::checkWorkspacePosition(QRect, int, QRect) () at /lib/x86_64-linux-gnu/libkwin.so.5
#8  0x00007f04c964b041 in KWin::Workspace::sendClientToDesktop(KWin::AbstractClient*, int, bool) () at /lib/x86_64-linux-gnu/libkwin.so.5
#9  0x00007f04c964b58e in  () at /lib/x86_64-linux-gnu/libkwin.so.5
#10 0x00007f04c852e563 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f04c9806e22 in KWin::VirtualDesktopManager::desktopRemoved(KWin::VirtualDesktop*) () at /lib/x86_64-linux-gnu/libkwin.so.5
#12 0x00007f04c9759688 in KWin::VirtualDesktopManager::removeVirtualDesktop(QByteArray const&) () at /lib/x86_64-linux-gnu/libkwin.so.5
#13 0x00007f04c965b410 in  () at /lib/x86_64-linux-gnu/libkwin.so.5
#14 0x00007f04c9800751 in  () at /lib/x86_64-linux-gnu/libkwin.so.5
#15 0x00007f04c9800e4b in  () at /lib/x86_64-linux-gnu/libkwin.so.5
#16 0x00007f04c6713dba in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#17 0x00007f04c6717b89 in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#18 0x00007f04c67181d6 in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#19 0x00007f04c671a90e in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#20 0x00007f04c852eca2 in QObject::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f04c8ecc551 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f04c8ed3930 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f04c85048e9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f04c8507927 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f04c855532b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f04c13d0a0e in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#27 0x00007f04c85035bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f04c850b5e2 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f04c9acadf8 in kdemain () at /lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#30 0x00007f04c98fcb6b in __libc_start_main (main=0x55a410e38050, argc=3, argv=0x7ffeaa0cdc78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffeaa0cdc68) at ../csu/libc-start.c:308
#31 0x000055a410e3808a in _start ()
[Inferior 1 (process 13904) detached]

Reported using DrKonqi

Comment 1 Martin Flöser 2019-07-16 05:44:27 UTC

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

Comment 2 Bug Janitor Service 2019-07-31 04:33:12 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
mark the bug 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 3 Bug Janitor Service 2019-08-15 04:33:12 UTC

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!