403878 – kwin crash wen showing the Desktop Grid

Bug 403878 - kwin crash wen showing the Desktop Grid

Summary: kwin crash wen showing the Desktop Grid

Status:	RESOLVED WORKSFORME

Alias:	None

Product:	kwin
Classification:	Plasma
Component:	general (other bugs)
Version First Reported In:	5.14.5
Platform:	Ubuntu Linux

Importance:	NOR crash
Target Milestone:	---
Assignee:	KWin default assignee

URL:
Keywords:	drkonqi

Depends on:
Blocks:

Reported:	2019-02-02 22:32 UTC by cristian
Modified:	2019-03-04 04:33 UTC (History)
CC List:	0 users

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:

Attachments
Add an attachment

Note You need to log in before you can comment on or make changes to this bug.

Description cristian 2019-02-02 22:32:39 UTC

Application: kwin_x11 (5.14.5)

Qt Version: 5.11.1
Frameworks Version: 5.52.0
Operating System: Linux 4.18.0-13-generic x86_64
Distribution: Ubuntu 18.10

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

I activate the desktop grid with a desktop corner and i move the cursor to a second corner to show the "Present Windows - Current Desktop" then kwin crash

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 0x7fa17be0a840 (LWP 2827))]

Thread 12 (Thread 0x7fa0bed2c700 (LWP 15446)):
#0  0x00007fa183bde2eb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ed88a25080) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fa183bde2eb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ed88a25030, cond=0x55ed88a25058) at pthread_cond_wait.c:502
#2  0x00007fa183bde2eb in __pthread_cond_wait (cond=0x55ed88a25058, mutex=0x55ed88a25030) at pthread_cond_wait.c:655
#3  0x00007fa184dde43b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa18373f279 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fa18373f4da in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fa184dddc87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa183bd8164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fa186424def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fa0cc8b7700 (LWP 15418)):
#0  0x00007fa183bde2eb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ed88476c84) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fa183bde2eb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ed88476c30, cond=0x55ed88476c58) at pthread_cond_wait.c:502
#2  0x00007fa183bde2eb in __pthread_cond_wait (cond=0x55ed88476c58, mutex=0x55ed88476c30) at pthread_cond_wait.c:655
#3  0x00007fa184dde43b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa18373f279 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fa18373f4da in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fa184dddc87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa183bd8164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fa186424def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fa0cdca5700 (LWP 15417)):
#0  0x00007fa1864187d6 in __GI_ppoll (fds=0x7fa0c403f9c8, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007fa184fd4141 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa184fd55b9 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fa184f8516b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa184dd40b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa1834081f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fa184dddc87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa183bd8164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fa186424def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fa0cfea9700 (LWP 15363)):
#0  0x00007fa183bde2eb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ed882d7350) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fa183bde2eb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ed882d7300, cond=0x55ed882d7328) at pthread_cond_wait.c:502
#2  0x00007fa183bde2eb in __pthread_cond_wait (cond=0x55ed882d7328, mutex=0x55ed882d7300) at pthread_cond_wait.c:655
#3  0x00007fa184dde43b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa18373f279 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fa18373f4da in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fa184dddc87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa183bd8164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fa186424def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fa1637da700 (LWP 15362)):
#0  0x00007fa1864187d6 in __GI_ppoll (fds=0x7fa158041528, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007fa184fd4141 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa184fd55b9 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fa184f8516b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa184dd40b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa1834081f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fa184dddc87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa183bd8164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fa186424def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fa0bf52d700 (LWP 14979)):
#0  0x00007fa183bde2eb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ed87e4d170) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fa183bde2eb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ed87e4d120, cond=0x55ed87e4d148) at pthread_cond_wait.c:502
#2  0x00007fa183bde2eb in __pthread_cond_wait (cond=0x55ed87e4d148, mutex=0x55ed87e4d120) at pthread_cond_wait.c:655
#3  0x00007fa184dde43b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa18373f279 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fa18373f4da in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fa184dddc87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa183bd8164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fa186424def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fa0be4ec700 (LWP 14978)):
#0  0x00007fa184dd0dfc in QMutex::lock() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007fa184fd543b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa184f8516b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fa184dd40b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa1834081f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#5  0x00007fa184dddc87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa183bd8164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007fa186424def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fa0cf2a8700 (LWP 12284)):
#0  0x00007fa1864187d6 in __GI_ppoll (fds=0x55ed87c4ba38, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007fa184fd4141 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa184fd55b9 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fa184f8516b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa184dd40b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa184dddc87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa183bd8164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007fa186424def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fa162bd8700 (LWP 2977)):
#0  0x00007fa183bde2eb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fa1849c4fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fa183bde2eb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fa1849c4f68, cond=0x7fa1849c4f90) at pthread_cond_wait.c:502
#2  0x00007fa183bde2eb in __pthread_cond_wait (cond=0x7fa1849c4f90, mutex=0x7fa1849c4f68) at pthread_cond_wait.c:655
#3  0x00007fa1848cde2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fa1848cde49 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fa183bd8164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fa186424def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fa16bfff700 (LWP 2949)):
#0  0x00007fa1864187d6 in __GI_ppoll (fds=0x7fa164000d28, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007fa184fd4141 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa184fd55b9 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fa184f8516b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa184dd40b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa1834081f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fa184dddc87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa183bd8164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fa186424def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fa179c95700 (LWP 2845)):
#0  0x00007fa1864187d6 in __GI_ppoll (fds=0x7fa16c00b368, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007fa184fd4141 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa184fd55b9 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fa184f8516b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa184dd40b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa182ee3545 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6  0x00007fa184dddc87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa183bd8164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fa186424def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fa17be0a840 (LWP 2827)):
[KCrash Handler]
#6  0x000055ed884c0b50 in  ()
#7  0x00007fa186125039 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#8  0x00007fa184f83fef in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fa17b4ad8f0 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#10 0x00007fa17b4ae4b3 in QXcbConnection::processXcbEvents() () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#11 0x00007fa184faff92 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fa1859474a1 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007fa18594eae0 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007fa184f86499 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007fa184f8948b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007fa184fd542b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fa17b53e0ed in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#18 0x00007fa184f8516b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fa184f8d2e2 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007fa1864fe47b in kdemain () at /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#21 0x00007fa18632e09b in __libc_start_main (main=0x55ed86847050, argc=1, argv=0x7fffc3b12898, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffc3b12888) at ../csu/libc-start.c:308
#22 0x000055ed8684708a in _start ()
[Inferior 1 (process 2827) detached]

Reported using DrKonqi

Comment 1 Vlad Zahorodnii 2019-02-02 23:48:26 UTC

Unfortunately the backtrace lacks debug symbols. Could you please install kwin debug packages and submit a new backtrace?

Comment 2 Bug Janitor Service 2019-02-17 04:33:10 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 2019-03-04 04:33:10 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!