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Bug#1 Freeze



With latest updates made today:

From time to time, KDE freezes. Any idea ?

Application: KCMInit (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/
pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7f1256081d80 (LWP 9030))]

Thread 3 (Thread 0x7f1240b19700 (LWP 9034)):
#0  poll (__timeout=-1, __nfds=1, __fds=0x7f1234003020) at /usr/include/
x86_64-linux-gnu/bits/poll2.h:46
#1  g_poll (fds=0x7f1234003020, nfds=1, timeout=-1) at ././glib/gpoll.c:124
#2  0x00007f12514999d6 in g_main_context_poll (priority=<optimized out>, 
n_fds=1, fds=0x7f1234003020, timeout=<optimized out>, context=0x7f1234000990) 
at ././glib/gmain.c:4228
#3  g_main_context_iterate (context=context@entry=0x7f1234000990, 
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././
glib/gmain.c:3924
#4  0x00007f1251499aec in g_main_context_iteration (context=0x7f1234000990, 
may_block=1) at ././glib/gmain.c:3990
#5  0x00007f1254b6a73b in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1254b140ca in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/
x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f12549360e3 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/
libQt5Core.so.5
#8  0x00007f124c1bc6d5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f125493ad98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f12521f5464 in start_thread (arg=0x7f1240b19700) at 
pthread_create.c:333
#11 0x00007f12545d69df in clone () at ../sysdeps/unix/sysv/linux/x86_64/
clone.S:105

Thread 2 (Thread 0x7f1242a05700 (LWP 9032)):
[KCrash Handler]
#6  0x00007f1254b6a9fb in QEventDispatcherGlib::wakeUp() () from /usr/lib/
x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1254b1838e in QCoreApplication::postEvent(QObject*, QEvent*, int) 
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f1254b41b1d in QMetaObject::activate(QObject*, int, int, void**) () 
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f124472abb5 in ?? () from /usr/lib/x86_64-linux-gnu/
libQt5XcbQpa.so.5
#10 0x00007f125493ad98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f12521f5464 in start_thread (arg=0x7f1242a05700) at 
pthread_create.c:333
#12 0x00007f12545d69df in clone () at ../sysdeps/unix/sysv/linux/x86_64/
clone.S:105

Thread 1 (Thread 0x7f1256081d80 (LWP 9030)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/
pthread_cond_wait.S:185
#1  0x00007f125493bc5b in QWaitCondition::wait(QMutex*, unsigned long) () from 
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f125493a93e in QThread::wait(unsigned long) () from /usr/lib/
x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f124472fa9a in QXcbConnection::~QXcbConnection() () from /usr/lib/
x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f124472fad9 in QXcbConnection::~QXcbConnection() () from /usr/lib/
x86_64-linux-gnu/libQt5XcbQpa.so.5
#5  0x00007f1244731466 in QXcbIntegration::~QXcbIntegration() () from /usr/
lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#6  0x00007f1244731569 in QXcbIntegration::~QXcbIntegration() () from /usr/
lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#7  0x00007f1254e582f3 in QGuiApplicationPrivate::~QGuiApplicationPrivate() () 
from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#8  0x00007f1254e58489 in QGuiApplicationPrivate::~QGuiApplicationPrivate() () 
from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#9  0x00007f1254b498c7 in QObject::~QObject() () from /usr/lib/x86_64-linux-
gnu/libQt5Core.so.5
#10 0x00007f1254b17bf6 in QCoreApplication::~QCoreApplication() () from /usr/
lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f12447f9c8b in kdemain () from /usr/lib/x86_64-linux-gnu/
libkdeinit5_kcminit_startup.so
#12 0x00000000004084bb in ?? ()
#13 0x0000000000404cd7 in ?? ()
#14 0x00007f125450e2b1 in __libc_start_main (main=0x4044a0, argc=5, 
argv=0x7fff7921be48, init=<optimized out>, fini=<optimized out>, 
rtld_fini=<optimized out>, stack_end=0x7fff7921be38) at ../csu/libc-start.c:291
#15 0x0000000000405ada in _start ()

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