https://bugs.kde.org/show_bug.cgi?id=400009
Bug ID: 400009
Summary: KDE crashes when enabling second monitors
Product: kwin
Version: 5.14.0
Platform: openSUSE RPMs
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: alex...@quarteredcircle.net
Target Milestone: ---
Application: kwin_x11 (5.14.0)
Qt Version: 5.11.2
Frameworks Version: 5.50.0
Operating System: Linux 4.18.13-1-default x86_64
Distribution: "openSUSE Tumbleweed"
-- Information about the crash:
- What I was doing when the application crashed:
I have a DisplayLink docking station that successfully detects the second and
third monitors, both of which had worked with a different Linux Laptop, but
with a new one it will consistently crash KDE.
- Custom settings of the application:
The customization is the DisplayLink being run through OpenSUSE.
The crash can be reproduced every time.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fce01925880 (LWP 2981))]
Thread 5 (Thread 0x7fcdfda34700 (LWP 4983)):
#0 0x00007fce08c284dc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fcd67953f5b in ?? () from /usr/lib64/dri/i965_dri.so
#2 0x00007fcd67953c87 in ?? () from /usr/lib64/dri/i965_dri.so
#3 0x00007fce08c22554 in start_thread () from /lib64/libpthread.so.0
#4 0x00007fce0b282ccf in clone () from /lib64/libc.so.6
Thread 4 (Thread 0x7fcdef1ef700 (LWP 3114)):
#0 0x00007fce08c284dc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fce098f601a in ?? () from /usr/lib64/libQt5Script.so.5
#2 0x00007fce098f603b in ?? () from /usr/lib64/libQt5Script.so.5
#3 0x00007fce08c22554 in start_thread () from /lib64/libpthread.so.0
#4 0x00007fce0b282ccf in clone () from /lib64/libc.so.6
Thread 3 (Thread 0x7fcdfcf6a700 (LWP 3109)):
#0 0x00007fce0b2783c6 in ppoll () from /lib64/libc.so.6
#1 0x00007fce09fe1ac1 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() from /usr/lib64/libQt5Core.so.5
#2 0x00007fce09fe2f39 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#3 0x00007fce09f92adb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#4 0x00007fce09de1de6 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#5 0x00007fce08280485 in ?? () from /usr/lib64/libQt5Qml.so.5
#6 0x00007fce09deb9b7 in ?? () from /usr/lib64/libQt5Core.so.5
#7 0x00007fce08c22554 in start_thread () from /lib64/libpthread.so.0
#8 0x00007fce0b282ccf in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7fcdfe4c0700 (LWP 3040)):
#0 0x00007fce0b2783c6 in ppoll () from /lib64/libc.so.6
#1 0x00007fce09fe1ac1 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() from /usr/lib64/libQt5Core.so.5
#2 0x00007fce09fe2f39 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#3 0x00007fce09f92adb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#4 0x00007fce09de1de6 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#5 0x00007fce07d51545 in ?? () from /usr/lib64/libQt5DBus.so.5
#6 0x00007fce09deb9b7 in ?? () from /usr/lib64/libQt5Core.so.5
#7 0x00007fce08c22554 in start_thread () from /lib64/libpthread.so.0
#8 0x00007fce0b282ccf in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7fce01925880 (LWP 2981)):
[KCrash Handler]
#4 0x00007fcdffcac72c in QXcbConnection::internAtom(char const*) () from
/usr/lib64/libQt5XcbQpa.so.5
#5 0x00007fcdffcbf0aa in QXcbScreen::getEdid() const () from
/usr/lib64/libQt5XcbQpa.so.5
#6 0x00007fcdffcc0d40 in QXcbScreen::QXcbScreen(QXcbConnection*,
QXcbVirtualDesktop*, unsigned int, xcb_randr_get_output_info_reply_t*,
xcb_xinerama_screen_info_t const*, int) () from /usr/lib64/libQt5XcbQpa.so.5
#7 0x00007fcdffcad623 in QXcbConnection::createScreen(QXcbVirtualDesktop*,
xcb_randr_output_change_t const&, xcb_randr_get_output_info_reply_t*) () from
/usr/lib64/libQt5XcbQpa.so.5
#8 0x00007fcdffcaf273 in
QXcbConnection::updateScreens(xcb_randr_notify_event_t const*) () from
/usr/lib64/libQt5XcbQpa.so.5
#9 0x00007fcdffcafe8b in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() from /usr/lib64/libQt5XcbQpa.so.5
#10 0x00007fcdffcb0843 in QXcbConnection::processXcbEvents() () from
/usr/lib64/libQt5XcbQpa.so.5
#11 0x00007fce09fbd902 in QObject::event(QEvent*) () from
/usr/lib64/libQt5Core.so.5
#12 0x00007fce0a9344a1 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/libQt5Widgets.so.5
#13 0x00007fce0a93baf0 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#14 0x00007fce09f93e09 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib64/libQt5Core.so.5
#15 0x00007fce09f96dfb in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib64/libQt5Core.so.5
#16 0x00007fce09fe2dab in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#17 0x00007fcdffd41c6d in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#18 0x00007fce09f92adb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#19 0x00007fce09f9ac52 in QCoreApplication::exec() () from
/usr/lib64/libQt5Core.so.5
#20 0x00007fce0b74147b in kdemain () from /usr/lib64/libkdeinit5_kwin_x11.so
#21 0x00007fce0b1aafeb in __libc_start_main () from /lib64/libc.so.6
#22 0x000056262b7b508a in _start ()
[Inferior 1 (process 2981) detached]
Reported using DrKonqi
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