[Bug 277063] New: kded4 use cpu at 100% WITHOUT ntrack

[BRULE Herman]

https://bugs.kde.org/show_bug.cgi?id=277063

           Summary: kded4 use cpu at 100% WITHOUT ntrack
           Product: kde
           Version: unspecified
          Platform: Unlisted Binaries
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: alpha_one_x86 at first-world.info


Version:           unspecified
OS:                Linux

kded4 use cpu at 100% WITHOUT ntrack
THEN not linked with the bug: https://bugs.kde.org/show_bug.cgi?id=268038

I have attached the process and generated the backtrace:
(gdb) thread apply all bt

Thread 4 (Thread 0x7f8d24e0d700 (LWP 6212)):
#0  0x00007f8d38d1e6c3 in select () from /lib64/libc.so.6
#1  0x00007f8d3a2de35c in ?? () from /usr/lib64/qt4/libQtCore.so.4
#2  0x00007f8d3a2104c5 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#3  0x00007f8d39f7dc1a in start_thread () from /lib64/libpthread.so.0
#4  0x00007f8d38d24ebd in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f8d1f23f700 (LWP 6248)):
#0  0x00007f8d38d1c233 in poll () from /lib64/libc.so.6
#1  0x00007f8d35b21399 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f8d35b21b45 in g_mapped_file_ref () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f8d39f80330 in ?? () from /lib64/libpthread.so.0
#4  0x0000000000001000 in ?? ()
#5  0x0000000001978090 in ?? ()
#6  0x00007f8d39f81930 in ?? () from /lib64/libpthread.so.0
#7  0x00007f8d35dec7a0 in ?? () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f8d35dec768 in ?? () from /usr/lib64/libglib-2.0.so.0
#9  0x00007f8d39f80330 in ?? () from /lib64/libpthread.so.0
#10 0x0000000000001000 in ?? ()
#11 0x00007f8d1f711bb4 in ?? () from /usr/lib64/libgio-2.0.so.0
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f8d1e832700 (LWP 6262)):
#0  0x00007f8d38d1c233 in poll () from /lib64/libc.so.6
#1  0x00007f8d35b21399 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f8d35b217ec in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fff7b3b8480 in ?? ()
#4  0x0000000001742ca0 in ?? ()
#5  0x00007f8d3a300a92 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#6  0x00007f8d3a300e74 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#7  0x00007f8d3a20d49d in QThread::exec() () from /usr/lib64/qt4/libQtCore.so.4
#8  0x00007f8d3a2e0aa8 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#9  0x00007f8d3a2104c5 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#10 0x00007f8d39f7dc1a in start_thread () from /lib64/libpthread.so.0
#11 0x00007f8d38d24ebd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f8d3b6ee760 (LWP 6206)):
#0  0x00007f8d39f8256c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f8d3a21108b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib64/qt4/libQtCore.so.4
#2  0x00007f8d3a210114 in QThread::wait(unsigned long) () from
/usr/lib64/qt4/libQtCore.so.4
#3  0x00007f8d3a2d3720 in QFileSystemWatcher::~QFileSystemWatcher() () from
/usr/lib64/qt4/libQtCore.so.4
#4  0x00007f8d3a313c4f in QObjectPrivate::deleteChildren() () from
/usr/lib64/qt4/libQtCore.so.4
#5  0x00007f8d3a31b30b in QObject::~QObject() () from
/usr/lib64/qt4/libQtCore.so.4
#6  0x00007f8d330a27c6 in ?? () from /usr/lib64/libsolid.so.4
#7  0x00007f8d38c87d95 in ?? () from /lib64/libc.so.6
#8  0x00007f8d38c87de5 in exit () from /lib64/libc.so.6
#9  0x00007f8d3950b498 in ?? () from /usr/lib64/qt4/libQtGui.so.4
#10 0x00007f8d3b0ddfc8 in KApplication::xioErrhandler(_XDisplay*) () from
/usr/lib64/libkdeui.so.5
#11 0x00007f8d3ab7d12e in _XIOError () from /usr/lib64/libX11.so.6
#12 0x00007f8d3ab7c08d in _XEventsQueued () from /usr/lib64/libX11.so.6
#13 0x00007f8d3ab6c28f in XEventsQueued () from /usr/lib64/libX11.so.6
#14 0x00007f8d3954576c in ?? () from /usr/lib64/qt4/libQtGui.so.4
#15 0x00007f8d35b20a09 in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#16 0x00007fff00001386 in ?? ()
#17 0x00007f8d35dec768 in ?? () from /usr/lib64/libglib-2.0.so.0
#18 0x00007f8d35dec7a0 in ?? () from /usr/lib64/libglib-2.0.so.0
#19 0x0000000100000001 in ?? ()
#20 0x00000000017d1048 in ?? ()
#21 0x00000000017d1040 in ?? ()
#22 0x7fffffff00001386 in ?? ()
#23 0x0000000000000000 in ?? ()

Reproducible: Sometimes

Steps to Reproduce:
Na


Expected Results:  
kded4 use cpu at 100% WITHOUT ntrack

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