https://bugs.kde.org/show_bug.cgi?id=394062
Bug ID: 394062
Summary: Kwin crashed when too many programs / windows are open
and using virtual desktops (Desktop wall)
Product: kwin
Version: 5.12.4
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: jmarcs...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.12.4)
Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-20-generic x86_64
Distribution: Ubuntu 18.04 LTS
-- Information about the crash:
- What I was doing when the application crashed:
I was trying to to go to another virtual desktop (desktop wall) using active
borders, and had quite a lot of programs open (for my computer). My destop is
composed of 3 toolbars (up, left and bottom). The physical memory of the
computer is only 256 Mo, while the unit itself has 8Go.
-- 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 0x7f034a33cd00 (LWP 1198))]
Thread 10 (Thread 0x7f02778a4700 (LWP 4865)):
#0 0x00007f0342cfa9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5569f4c06244) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x5569f4c061f0,
cond=0x5569f4c06218) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x5569f4c06218, mutex=0x5569f4c061f0) at
pthread_cond_wait.c:655
#3 0x00007f0346e6259b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f0341ece548 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5 0x00007f0341ece9aa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f0346e6116d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f0342cf46db in start_thread (arg=0x7f02778a4700) at
pthread_create.c:463
#8 0x00007f0349c9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 9 (Thread 0x7f027ce08700 (LWP 4673)):
#0 0x00007f0342cfa9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5569f472ee34) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x5569f472ede0,
cond=0x5569f472ee08) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x5569f472ee08, mutex=0x5569f472ede0) at
pthread_cond_wait.c:655
#3 0x00007f0346e6259b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f0341ece548 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5 0x00007f0341ece9aa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f0346e6116d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f0342cf46db in start_thread (arg=0x7f027ce08700) at
pthread_create.c:463
#8 0x00007f0349c9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 8 (Thread 0x7f027e565700 (LWP 4656)):
#0 0x00007f0342cfa9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5569f449f724) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x5569f449f6d0,
cond=0x5569f449f6f8) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x5569f449f6f8, mutex=0x5569f449f6d0) at
pthread_cond_wait.c:655
#3 0x00007f0346e6259b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f0341ece548 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5 0x00007f0341ece9aa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f0346e6116d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f0342cf46db in start_thread (arg=0x7f027e565700) at
pthread_create.c:463
#8 0x00007f0349c9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 0x7f03173ff700 (LWP 3972)):
#0 0x00007fff3a98db62 in clock_gettime ()
#1 0x00007f0349caeea6 in __GI___clock_gettime (clock_id=1, tp=0x7f03173feb50)
at ../sysdeps/unix/clock_gettime.c:115
#2 0x00007f0347098221 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f0347096a59 in QTimerInfoList::updateCurrentTime() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f0347097035 in QTimerInfoList::timerWait(timespec&) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f0347095fe4 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f034703d9ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f0346e5c22a in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f03417e06f5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9 0x00007f0346e6116d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f0342cf46db in start_thread (arg=0x7f03173ff700) at
pthread_create.c:463
#11 0x00007f0349c9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7f032579e700 (LWP 2040)):
#0 0x00007f0342cfa9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5569f484df54) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x5569f484df00,
cond=0x5569f484df28) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x5569f484df28, mutex=0x5569f484df00) at
pthread_cond_wait.c:655
#3 0x00007f0346e6259b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f0341ece548 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5 0x00007f0341ece9aa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f0346e6116d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f0342cf46db in start_thread (arg=0x7f032579e700) at
pthread_create.c:463
#8 0x00007f0349c9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7f031690a700 (LWP 2038)):
#0 0x00007f0349c92cf6 in __GI_ppoll (fds=0x5569f489e198, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f03470945c1 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f0347095cde in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f034703d9ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f0346e5c22a in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f03417e06f5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007f0346e6116d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f0342cf46db in start_thread (arg=0x7f031690a700) at
pthread_create.c:463
#8 0x00007f0349c9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f03160e9700 (LWP 1525)):
#0 0x00007f0342cfa9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f0346291fb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0346291f68,
cond=0x7f0346291f90) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x7f0346291f90, mutex=0x7f0346291f68) at
pthread_cond_wait.c:655
#3 0x00007f0345f9b5f4 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4 0x00007f0345f9b639 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5 0x00007f0342cf46db in start_thread (arg=0x7f03160e9700) at
pthread_create.c:463
#6 0x00007f0349c9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f0324a82700 (LWP 1430)):
#0 0x00007fff3a98db62 in clock_gettime ()
#1 0x00007f0349caeea6 in __GI___clock_gettime (clock_id=1, tp=0x7f0324a81b50)
at ../sysdeps/unix/clock_gettime.c:115
#2 0x00007f0347098221 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f0347096a59 in QTimerInfoList::updateCurrentTime() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f0347097035 in QTimerInfoList::timerWait(timespec&) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f0347095fe4 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f034703d9ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f0346e5c22a in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f03417e06f5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9 0x00007f0346e6116d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f0342cf46db in start_thread (arg=0x7f0324a82700) at
pthread_create.c:463
#11 0x00007f0349c9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f032742a700 (LWP 1419)):
#0 0x00007f0349c92cf6 in __GI_ppoll (fds=0x7f032000ec48, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f03470945c1 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f0347095cde in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f034703d9ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f0346e5c22a in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f03406b9d45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6 0x00007f0346e6116d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f0342cf46db in start_thread (arg=0x7f032742a700) at
pthread_create.c:463
#8 0x00007f0349c9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f034a33cd00 (LWP 1198)):
[KCrash Handler]
#6 0x00005569f4b86520 in ?? ()
#7 0x00007f034979a2da in KWin::Workspace::workspaceEvent(xcb_generic_event_t*)
() from /usr/lib/x86_64-linux-gnu/libkwin.so.5
#8 0x00007f034703c58f in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f032e9eb820 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#10 0x00007f032e9ec4ac in QXcbConnection::processXcbEvents() () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#11 0x00007f034706f122 in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f0347dbd82c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f0347dc50f4 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f034703f9a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f034704211d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f0347095af4 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f032ea4d5cd in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#18 0x00007f034703d9ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f0347046a84 in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f0349f77dbb in kdemain () from
/usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#21 0x00007f0349b9fb97 in __libc_start_main (main=0x5569f3291730, argc=1,
argv=0x7fff3a981cd8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff3a981cc8) at ../csu/libc-start.c:310
#22 0x00005569f329176a in _start ()
Possible duplicates by query: bug 393063, bug 392605, bug 392412, bug 392111,
bug 391673.
Reported using DrKonqi
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