[Bug 809545] [NEW] kded4 uses 100% CPU

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top - 22:24:16 up 18 days,  7:12, 12 users,  load average: 1.17, 1.03, 1.02
Tasks: 203 total,   1 running, 200 sleeping,   1 stopped,   1 zombie
Cpu(s): 48.3%us,  5.8%sy,  0.0%ni, 45.9%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:   4049944k total,  3588512k used,   461432k free,   307260k buffers
Swap:  4200960k total,    66328k used,  4134632k free,  2083676k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                                                                                
 2035 daniele   20   0  649m 126m 108m S  100  3.2  32:42.19 kded4                                                                                                                  

 gdb --pid=2035
 bt
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f557626582b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007f5576264910 in QThread::wait(unsigned long) () from /usr/lib/libQtCore.so.4
#3  0x00007f55763215d0 in QFileSystemWatcher::~QFileSystemWatcher() () from /usr/lib/libQtCore.so.4
#4  0x00007f55763216a9 in QFileSystemWatcher::~QFileSystemWatcher() () from /usr/lib/libQtCore.so.4
#5  0x00007f557635ec14 in QObjectPrivate::deleteChildren() () from /usr/lib/libQtCore.so.4
#6  0x00007f55763635f4 in QObject::~QObject() () from /usr/lib/libQtCore.so.4
#7  0x00007f556ef8e7d9 in ?? () from /usr/lib/libsolid.so.4
#8  0x00007f5574ef3961 in __run_exit_handlers (status=1) at exit.c:78
#9  exit (status=1) at exit.c:100
#10 0x00007f5575779d48 in QApplicationPrivate::createEventDispatcher() () from /usr/lib/libQtGui.so.4
#11 0x00007f5576b94dee in _XIOError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#12 0x00007f5576b9262d in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#13 0x00007f5576b82f1f in XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#14 0x00007f55757b4c4c in ?? () from /usr/lib/libQtGui.so.4
#15 0x00007f557634babc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#16 0x00007f557634fecb in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#17 0x00007f5566b4a135 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kded4.so
#18 0x0000000000406dd3 in _start ()

System was resumed after sleep on memory.

** Affects: kdelibs (Ubuntu)
     Importance: Undecided
         Status: New

-- 
kded4 uses 100% CPU
https://bugs.launchpad.net/bugs/809545
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