https://bugs.kde.org/show_bug.cgi?id=407199
Bug ID: 407199
Summary: cannot start Wayand session on neon dev unstable.
coredumpctl indicates kwin_wayland crash.
Product: kwin
Version: git master
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: bugsefor...@gmx.com
Target Milestone: ---
SUMMARY
I only see a black screen without cursor when I try to start Wayland session on
neon dev unstable.
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.15.80
KDE Frameworks Version: 5.58.0
Qt Version: 5.12.0
Thread 7 (Thread 0x7fae59e84700 (LWP 1105)):
#0 0x00007fae85ec9bf9 in __GI___poll (fds=0x7fae50003ce0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fae7d0005c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fae7d0006dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fae86a3413f in QEventDispatcherGlib::processEvents
(this=0x7fae50000b20, flags=...)
at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007fae869d564a in QEventLoop::exec (this=this@entry=0x7fae59e83d00,
flags=...,
flags@entry=...) at kernel/qeventloop.cpp:225
#5 0x00007fae867fd41a in QThread::exec (this=this@entry=0x5564886269e0) at
thread/qthread.cpp:531
#6 0x00007fae813b52e5 in QQmlThreadPrivate::run (this=0x5564886269e0) at
qml/ftw/qqmlthread.cpp:148
#7 0x00007fae867febc2 in QThreadPrivate::start (arg=0x5564886269e0) at
thread/qthread_unix.cpp:361
#8 0x00007fae87e656db in start_thread (arg=0x7fae59e84700) at
pthread_create.c:463
#9 0x00007fae85ed688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7fae5aad7700 (LWP 1093)):
#0 0x00007fae87e6bed9 in futex_reltimed_wait_cancelable (private=<optimized
out>,
reltime=0x7fae5aad6b80, expected=0, futex_word=0x556488298aa0)
at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1 __pthread_cond_wait_common (abstime=0x7fae5aad6c40, mutex=0x556488298a50,
cond=0x556488298a78)
at pthread_cond_wait.c:533
#2 __pthread_cond_timedwait (cond=cond@entry=0x556488298a78,
mutex=mutex@entry=0x556488298a50,
abstime=abstime@entry=0x7fae5aad6c40) at pthread_cond_wait.c:667
#3 0x00007fae86805ac6 in QWaitConditionPrivate::wait_relative
(this=0x556488298a50, deadline=...)
at thread/qwaitcondition_unix.cpp:136
#4 QWaitConditionPrivate::wait (deadline=..., this=0x556488298a50)
at thread/qwaitcondition_unix.cpp:144
#5 QWaitCondition::wait (this=<optimized out>, mutex=0x556488295050,
deadline=...)
at thread/qwaitcondition_unix.cpp:225
#6 0x00007fae86805e25 in QWaitCondition::wait (this=this@entry=0x5564885ac300,
mutex=mutex@entry=0x556488295050, time=<optimized out>) at
thread/qwaitcondition_unix.cpp:209
#7 0x00007fae868035dd in QThreadPoolThread::run (this=0x5564885ac2f0) at
thread/qthreadpool.cpp:144
#8 0x00007fae867febc2 in QThreadPrivate::start (arg=0x5564885ac2f0) at
thread/qthread_unix.cpp:361
#9 0x00007fae87e656db in start_thread (arg=0x7fae5aad7700) at
pthread_create.c:463
#10 0x00007fae85ed688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7fae6e674700 (LWP 1088)):
#0 0x00007fae85ec9bf9 in __GI___poll (fds=0x7fae680177d0, nfds=4, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fae7d0005c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fae7d0006dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fae86a3413f in QEventDispatcherGlib::processEvents
(this=0x7fae68000b20, flags=...)
at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007fae869d564a in QEventLoop::exec (this=this@entry=0x7fae6e673cf0,
flags=...,
flags@entry=...) at kernel/qeventloop.cpp:225
#5 0x00007fae867fd41a in QThread::exec (
this=this@entry=0x7fae87e5cd80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>)
at thread/qthread.cpp:531
#6 0x00007fae87be5015 in QDBusConnectionManager::run (
this=0x7fae87e5cd80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>)
at qdbusconnection.cpp:178
#7 0x00007fae867febc2 in QThreadPrivate::start (
arg=0x7fae87e5cd80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>)
at thread/qthread_unix.cpp:361
#8 0x00007fae87e656db in start_thread (arg=0x7fae6e674700) at
pthread_create.c:463
#9 0x00007fae85ed688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7fae6d815700 (LWP 1089)):
#0 0x00007fae85ec9bf9 in __GI___poll (fds=0x7fae60003ce0, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fae7d0005c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fae7d0006dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fae86a3413f in QEventDispatcherGlib::processEvents
(this=0x7fae60000b20, flags=...)
at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007fae869d564a in QEventLoop::exec (this=this@entry=0x7fae6d814d20,
flags=...,
flags@entry=...) at kernel/qeventloop.cpp:225
#5 0x00007fae867fd41a in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:531
#6 0x00007fae867febc2 in QThreadPrivate::start (arg=0x5564881ab680) at
thread/qthread_unix.cpp:361
#7 0x00007fae87e656db in start_thread (arg=0x7fae6d815700) at
pthread_create.c:463
#8 0x00007fae85ed688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7fae6d014700 (LWP 1090)):
#0 0x00007fae85ec9bf9 in __GI___poll (fds=0x7fae640046c0, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fae7d0005c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fae7d0006dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fae86a3413f in QEventDispatcherGlib::processEvents
(this=0x7fae64000b20, flags=...)
at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007fae869d564a in QEventLoop::exec (this=this@entry=0x7fae6d013d20,
flags=...,
flags@entry=...) at kernel/qeventloop.cpp:225
#5 0x00007fae867fd41a in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:531
#6 0x00007fae867febc2 in QThreadPrivate::start (arg=0x5564881aa660) at
thread/qthread_unix.cpp:361
#7 0x00007fae87e656db in start_thread (arg=0x7fae6d014700) at
pthread_create.c:463
#8 0x00007fae85ed688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7fae5c689700 (LWP 1091)):
#0 0x00007fae87e6b9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0,
futex_word=0x55648820ffb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x55648820ff68,
cond=0x55648820ff90)
at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x55648820ff90, mutex=0x55648820ff68) at
pthread_cond_wait.c:655
#3 0x00007fae5da28dcb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4 0x00007fae5da28af7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5 0x00007fae87e656db in start_thread (arg=0x7fae5c689700) at
pthread_create.c:463
#6 0x00007fae85ed688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7fae89a07880 (LWP 1087)):
#0 0x00007fae801d14d4 in QMatrix4x4::toTransform() const ()
from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#1 0x00007fae6dc566b6 in KWin::DrmOutput::updateCursor() ()
from
/usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.waylandbackends/KWinWaylandDrmBackend.so
#2 0x00007fae6dc4aab5 in KWin::DrmBackend::updateCursor() ()
from
/usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.waylandbackends/KWinWaylandDrmBackend.so
#3 0x00007fae86a06f3f in QtPrivate::QSlotObjectBase::call (a=0x7ffe4ca73fe0,
r=0x5564881a63e0,
this=0x556488289020) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#4 QMetaObject::activate (sender=0x5564881a63e0, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3759
#5 0x00007fae86a06f3f in QtPrivate::QSlotObjectBase::call (a=0x7ffe4ca740e0,
r=0x5564881a63e0,
this=0x5564881eee80) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#6 QMetaObject::activate (sender=0x5564886378d0, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3759
#7 0x00007fae8941d6e4 in KWin::PointerInputRedirection::init() ()
from /usr/lib/x86_64-linux-gnu/libkwin.so.5
#8 0x00007fae8940121f in KWin::InputRedirection::setupWorkspace() ()
from /usr/lib/x86_64-linux-gnu/libkwin.so.5
#9 0x00007fae86a06f3f in QtPrivate::QSlotObjectBase::call (a=0x7ffe4ca743e0,
r=0x5564881b5b70,
this=0x5564881b8ab0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#10 QMetaObject::activate (sender=0x7ffe4ca74da0, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3759
#11 0x0000556486950ba8 in KWin::ApplicationWayland::finalizeStartup
(this=0x7ffe4ca74da0)
at ./main_wayland.cpp:193
#12 0x00007fae86a06f3f in QtPrivate::QSlotObjectBase::call (a=0x7ffe4ca74520,
r=0x7ffe4ca74da0,
this=0x5564885a2f70) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#13 QMetaObject::activate (sender=sender@entry=0x5564885a2ea0,
signalOffset=<optimized out>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at
kernel/qobject.cpp:3759
#14 0x00007fae86a074f7 in QMetaObject::activate
(sender=sender@entry=0x5564885a2ea0,
m=m@entry=0x556486b73d80 <KWin::Xwl::Xwayland::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at
kernel/qobject.cpp:3631
#15 0x0000556486966b10 in KWin::Xwl::Xwayland::initialized
(this=this@entry=0x5564885a2ea0)
at
./obj-x86_64-linux-gnu/kwin_wayland_autogen/DC6ZQWILS5/moc_xwayland.cpp:142
#16 0x0000556486954209 in KWin::Xwl::Xwayland::continueStartupWithX
(this=0x5564885a2ea0)
at ./xwl/xwayland.cpp:265
#17 0x00007fae86a07992 in QObject::event (this=0x5564885a2ea0, e=<optimized
out>)
at kernel/qobject.cpp:1249
#18 0x00007fae86fe78ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
()
from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fae86feee40 in QApplication::notify(QObject*, QEvent*) ()
from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fae869d7328 in QCoreApplication::notifyInternal2
(receiver=0x5564885a2ea0,
event=0x5564885aaeb0) at kernel/qcoreapplication.cpp:1061
#21 0x00007fae869d74fe in QCoreApplication::sendEvent (receiver=<optimized
out>,
event=event@entry=0x5564885aaeb0) at kernel/qcoreapplication.cpp:1451
#22 0x00007fae869d9e87 in QCoreApplicationPrivate::sendPostedEvents
(receiver=0x0, event_type=0,
data=0x556488145c00) at kernel/qcoreapplication.cpp:1800
#23 0x00007fae86a31364 in QEventDispatcherUNIX::processEvents
(this=0x5564881790f0, flags=...)
at kernel/qeventdispatcher_unix.cpp:466
#24 0x00007fae71e3af8d in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/KWinQpaPlugin.so
#25 0x00007fae869d564a in QEventLoop::exec (this=this@entry=0x7ffe4ca74b40,
flags=...,
flags@entry=...) at kernel/qeventloop.cpp:225
#26 0x00007fae869de800 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1364
#27 0x000055648694edf0 in main (argc=<optimized out>, argv=<optimized out>) at
./main_wayland.cpp:664
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