https://bugs.kde.org/show_bug.cgi?id=430740
Bug ID: 430740
Summary: kded5 crashes on logout from Wayland session
Product: plasmashell
Version: master
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: bugsefor...@gmx.com
CC: plasma-b...@kde.org
Target Milestone: 1.0
SUMMARY
Sometimes my system generates coredump of kded5 after logout from Wayland
session.
STEPS TO REPRODUCE
1. start Wayland session
2. logout
3.
EXPECTED RESULT
no coredump after logout
SOFTWARE/OS VERSIONS
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.20.80
KDE Frameworks Version: 5.78.0
Qt Version: 5.15.2
Thread 7 (Thread 0x7f03bee0c700 (LWP 11935)):
#0 g_mutex_unlock (mutex=0x7f03b4000c20) at ../../../glib/gthread-posix.c:1493
#1 0x00007f03eada7277 in g_main_context_acquire (context=0x7f03b4000c20) at
../../../glib/gmain.c:3389
#2 0x00007f03eada8065 in g_main_context_iterate
(context=context@entry=0x7f03b4000c20, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3997
#3 0x00007f03eada82e3 in g_main_context_iteration (context=0x7f03b4000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4 0x00007f03ec1aafbb in QEventDispatcherGlib::processEvents
(this=0x7f03b4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5 0x00007f03ec14f1ab in QEventLoop::exec (this=this@entry=0x7f03bee0bd60,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6 0x00007f03ebf69a12 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7 0x00007f03ebf6abac in QThreadPrivate::start (arg=0x55f9c6ef1740) at
thread/qthread_unix.cpp:329
#8 0x00007f03eb709609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9 0x00007f03ebbec293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7f03d5782700 (LWP 11835)):
#0 0x00007f03ebbdfaff in __GI___poll (fds=0x55f9c6e2f470, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f03eada81ae in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x55f9c6e2f470, timeout=<optimized out>, context=0x55f9c6e2f380)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=context@entry=0x55f9c6e2f380,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3 0x00007f03eada82e3 in g_main_context_iteration
(context=context@entry=0x55f9c6e2f380, may_block=may_block@entry=1) at
../../../glib/gmain.c:4108
#4 0x00007f03d5fce99d in dconf_gdbus_worker_thread (user_data=0x55f9c6e2f380)
at ../gdbus/dconf-gdbus-thread.c:82
#5 0x00007f03eadd1931 in g_thread_proxy (data=0x55f9c6e354c0) at
../../../glib/gthread.c:807
#6 0x00007f03eb709609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7 0x00007f03ebbec293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7f03e643e700 (LWP 11764)):
#0 0x00007f03ebbdfaff in __GI___poll (fds=0x7f03e00450f0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f03eada81ae in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f03e00450f0, timeout=<optimized out>, context=0x7f03e0000c20)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=context@entry=0x7f03e0000c20,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3 0x00007f03eada82e3 in g_main_context_iteration (context=0x7f03e0000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4 0x00007f03ec1aafbb in QEventDispatcherGlib::processEvents
(this=0x7f03e0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5 0x00007f03ec14f1ab in QEventLoop::exec (this=this@entry=0x7f03e643dd30,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6 0x00007f03ebf69a12 in QThread::exec (this=this@entry=0x7f03ec541d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7 0x00007f03ec4bdf4b in QDBusConnectionManager::run (this=0x7f03ec541d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:179
#8 0x00007f03ebf6abac in QThreadPrivate::start (arg=0x7f03ec541d80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:329
#9 0x00007f03eb709609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f03ebbec293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f03d5f83700 (LWP 11818)):
#0 0x00007f03ebbdfaff in __GI___poll (fds=0x55f9c6e48fc0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f03eada81ae in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x55f9c6e48fc0, timeout=<optimized out>, context=0x55f9c6e48ed0)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=context@entry=0x55f9c6e48ed0,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3 0x00007f03eada82e3 in g_main_context_iteration (context=0x55f9c6e48ed0,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4 0x00007f03eada8331 in glib_worker_main (data=<optimized out>) at
../../../glib/gmain.c:5996
#5 0x00007f03eadd1931 in g_thread_proxy (data=0x7f03cc001b60) at
../../../glib/gthread.c:807
#6 0x00007f03eb709609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7 0x00007f03ebbec293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f03d6ccd700 (LWP 11781)):
#0 0x00007f03ebbdfaff in __GI___poll (fds=0x7f03cc004a60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f03eada81ae in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f03cc004a60, timeout=<optimized out>, context=0x7f03cc000c20)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=context@entry=0x7f03cc000c20,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3 0x00007f03eada82e3 in g_main_context_iteration (context=0x7f03cc000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4 0x00007f03ec1aafa2 in QEventDispatcherGlib::processEvents
(this=0x7f03cc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5 0x00007f03ec14f1ab in QEventLoop::exec (this=this@entry=0x7f03d6cccd60,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6 0x00007f03ebf69a12 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7 0x00007f03ebf6abac in QThreadPrivate::start (arg=0x55f9c6d19710) at
thread/qthread_unix.cpp:329
#8 0x00007f03eb709609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9 0x00007f03ebbec293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f03d4f81700 (LWP 11854)):
#0 0x00007f03ebbdfaff in __GI___poll (fds=0x7f03c0017550, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f03eada81ae in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f03c0017550, timeout=<optimized out>, context=0x7f03c00147a0)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=0x7f03c00147a0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3 0x00007f03eada8533 in g_main_loop_run (loop=0x7f03c0014890) at
../../../glib/gmain.c:4241
#4 0x00007f03d6305eda in gdbus_shared_thread_func (user_data=0x7f03c0014770)
at ../../../gio/gdbusprivate.c:279
#5 0x00007f03eadd1931 in g_thread_proxy (data=0x7f03c0002ea0) at
../../../glib/gthread.c:807
#6 0x00007f03eb709609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7 0x00007f03ebbec293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f03e8d9f840 (LWP 11763)):
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1 0x00007f03ecc82f9b in KCrash::defaultCrashHandler (sig=6) at
./src/kcrash.cpp:577
#2 <signal handler called>
#3 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#4 0x00007f03ebaef859 in __GI_abort () at abort.c:79
#5 0x00007f03ebf2fbe7 in qt_message_fatal (context=..., message=<synthetic
pointer>...) at global/qlogging.cpp:1914
#6 QMessageLogger::fatal (this=this@entry=0x7fff4e28ea10,
msg=msg@entry=0x7f03e87d00b8 "The Wayland connection broke. Did the Wayland
compositor die?") at global/qlogging.cpp:893
#7 0x00007f03e8713d65 in QtWaylandClient::QWaylandDisplay::checkError
(this=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qlogging.h:90
#8 QtWaylandClient::QWaylandDisplay::checkError (this=<optimized out>) at
qwaylanddisplay.cpp:204
#9 0x00007f03e872516c in QtWaylandClient::QWaylandDisplay::flushRequests
(this=0x55f9c6b30160) at qwaylanddisplay.cpp:222
#10 0x00007f03ec1876f0 in doActivate<false> (sender=0x55f9c6bb26f0,
signal_index=4, argv=0x7fff4e28eb20) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#11 0x00007f03ec180a87 in QMetaObject::activate
(sender=sender@entry=0x55f9c6bb26f0, m=m@entry=0x7f03ec3ea1e0
<QAbstractEventDispatcher::staticMetaObject>,
local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at
kernel/qobject.cpp:3946
#12 0x00007f03ec14d247 in QAbstractEventDispatcher::awake
(this=this@entry=0x55f9c6bb26f0) at .moc/moc_qabstracteventdispatcher.cpp:149
#13 0x00007f03ec1aafdc in QEventDispatcherGlib::processEvents
(this=0x55f9c6bb26f0, flags=...) at kernel/qeventdispatcher_glib.cpp:430
#14 0x00007f03ec14f1ab in QEventLoop::exec (this=this@entry=0x7fff4e28ec40,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#15 0x00007f03ec157354 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#16 0x000055f9c68a2cf9 in main (argc=<optimized out>, argv=<optimized out>) at
./src/kded.cpp:795
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