Application: kded4 ($Id$) KDE Platform Version: 4.9.2 Qt Version: 4.8.3 Operating System: Linux 3.5.0-19-generic x86_64 Distribution: Ubuntu 12.10 -- Information about the crash: I woke up my computer (HP EliteBook 8560w) from Suspend to RAM, entered my password, and then I saw the Crash Reporting Assistant saying that the KDE Deamon has crashed. Though, I have not experienced any problems or unusual behaviour yet. -- Backtrace: Application: KDE Daemon (kdeinit4), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f4621dcd780 (LWP 5392))] Thread 6 (Thread 0x7f4603fff700 (LWP 5402)): #0 0x00007f4626fc8303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87 #1 0x00007f4623ec4d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f4623ec4ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f46283f4c16 in QEventDispatcherGlib::processEvents (this=0x7f45fc0008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f46283c52bf in QEventLoop::processEvents (this=this@entry=0x7f4603ffed10, flags=...) at kernel/qeventloop.cpp:149 #5 0x00007f46283c5548 in QEventLoop::exec (this=0x7f4603ffed10, flags=...) at kernel/qeventloop.cpp:204 #6 0x00007f46282c6b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501 #7 0x00007f46283a59af in QInotifyFileSystemWatcherEngine::run (this=0x1c993e0) at io/qfilesystemwatcher_inotify.cpp:248 #8 0x00007f46282c9aec in QThreadPrivate::start (arg=0x1c993e0) at thread/qthread_unix.cpp:338 #9 0x00007f4617938734 in ?? () from /usr/lib/nvidia-current/libGL.so.1 #10 0x00007f462479de9a in start_thread (arg=0x7f4603fff700) at pthread_create.c:308 #11 0x00007f4626fd3cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #12 0x0000000000000000 in ?? () Thread 5 (Thread 0x7f46009dd700 (LWP 5415)): #0 0x00007f4626fc8303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87 #1 0x00007f4623ec4d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f4623ec51e2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f4600cc93b6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007f4623ee8645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f4617938734 in ?? () from /usr/lib/nvidia-current/libGL.so.1 #6 0x00007f462479de9a in start_thread (arg=0x7f46009dd700) at pthread_create.c:308 #7 0x00007f4626fd3cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #8 0x0000000000000000 in ?? () Thread 4 (Thread 0x7f45f3df3700 (LWP 5416)): #0 0x00007f4626fc8303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87 #1 0x00007f4623ec4d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f4623ec4ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f46283f4c16 in QEventDispatcherGlib::processEvents (this=0x7f45ec0008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f46283c52bf in QEventLoop::processEvents (this=this@entry=0x7f45f3df2d10, flags=...) at kernel/qeventloop.cpp:149 #5 0x00007f46283c5548 in QEventLoop::exec (this=0x7f45f3df2d10, flags=...) at kernel/qeventloop.cpp:204 #6 0x00007f46282c6b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501 #7 0x00007f460b2fa352 in KCupsConnection::run() () from /usr/lib/libkcupslib.so #8 0x00007f46282c9aec in QThreadPrivate::start (arg=0x1d5ee80) at thread/qthread_unix.cpp:338 #9 0x00007f4617938734 in ?? () from /usr/lib/nvidia-current/libGL.so.1 #10 0x00007f462479de9a in start_thread (arg=0x7f45f3df3700) at pthread_create.c:308 #11 0x00007f4626fd3cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #12 0x0000000000000000 in ?? () Thread 3 (Thread 0x7f45ebfff700 (LWP 5417)): #0 0x00007f4626fc8303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87 #1 0x00007f4623ec4d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f4623ec4ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f46283f4c16 in QEventDispatcherGlib::processEvents (this=0x7f45e40008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f46283c52bf in QEventLoop::processEvents (this=this@entry=0x7f45ebffed40, flags=...) at kernel/qeventloop.cpp:149 #5 0x00007f46283c5548 in QEventLoop::exec (this=0x7f45ebffed40, flags=...) at kernel/qeventloop.cpp:204 #6 0x00007f46282c6b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501 #7 0x00007f46282c9aec in QThreadPrivate::start (arg=0x1d61700) at thread/qthread_unix.cpp:338 #8 0x00007f4617938734 in ?? () from /usr/lib/nvidia-current/libGL.so.1 #9 0x00007f462479de9a in start_thread (arg=0x7f45ebfff700) at pthread_create.c:308 #10 0x00007f4626fd3cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #11 0x0000000000000000 in ?? () Thread 2 (Thread 0x7f45f22b3700 (LWP 5477)): #0 0x00007f46247a105d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52 #1 __pthread_mutex_unlock (mutex=0x7f45dc000a90) at pthread_mutex_unlock.c:290 #2 0x00007f4623f01c61 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f4623ec4769 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f4623ec4cf9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f4623ec4ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #6 0x00007f46283f4c16 in QEventDispatcherGlib::processEvents (this=0x7f45dc0008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #7 0x00007f46283c52bf in QEventLoop::processEvents (this=this@entry=0x7f45f22b2d10, flags=...) at kernel/qeventloop.cpp:149 #8 0x00007f46283c5548 in QEventLoop::exec (this=0x7f45f22b2d10, flags=...) at kernel/qeventloop.cpp:204 #9 0x00007f46282c6b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501 #10 0x00007f46283a59af in QInotifyFileSystemWatcherEngine::run (this=0x1f44b30) at io/qfilesystemwatcher_inotify.cpp:248 #11 0x00007f46282c9aec in QThreadPrivate::start (arg=0x1f44b30) at thread/qthread_unix.cpp:338 #12 0x00007f4617938734 in ?? () from /usr/lib/nvidia-current/libGL.so.1 #13 0x00007f462479de9a in start_thread (arg=0x7f45f22b3700) at pthread_create.c:308 #14 0x00007f4626fd3cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #15 0x0000000000000000 in ?? () Thread 1 (Thread 0x7f4621dcd780 (LWP 5392)): [KCrash Handler] #6 QHashData::nextNode (node=0x22aeb90) at tools/qhash.cpp:301 #7 0x00007f460d2485d5 in operator++ (this=<synthetic pointer>) at /usr/include/qt4/QtCore/qhash.h:427 #8 PowerDevil::Core::onKIdleTimeoutReached (this=0x1d0aff0, identifier=70, msec=300000) at ../../../powerdevil/daemon/powerdevilcore.cpp:611 #9 0x00007f460d24dd5d in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./powerdevilcore.moc:151 #10 PowerDevil::Core::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./powerdevilcore.moc:109 #11 0x00007f46283dbf5f in QMetaObject::activate (sender=0x1d80c50, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffff3ec2750) at kernel/qobject.cpp:3547 #12 0x00007f460d02ba1f in KIdleTime::timeoutReached (this=this@entry=0x1d80c50, _t1=_t1@entry=70, _t2=_t2@entry=300000) at ./kidletime.moc:138 #13 0x00007f460d02be8a in KIdleTimePrivate::_k_timeoutReached (this=<optimized out>, msec=300000) at ../../kutils/kidletime/kidletime.cpp:243 #14 0x00007f46283dbf5f in QMetaObject::activate (sender=0x1dadd10, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffff3ec2930) at kernel/qobject.cpp:3547 #15 0x00007f460d02c991 in AbstractSystemPoller::timeoutReached (this=<optimized out>, _t1=300000) at ./abstractsystempoller.moc:129 #16 0x00007f460d02f4d3 in x11Event (event=0x7ffff3ec2f30, this=0x1dadd10) at ../../kutils/kidletime/xsyncbasedpoller.cpp:235 #17 XSyncBasedPoller::x11Event (this=0x1dadd10, event=0x7ffff3ec2f30) at ../../kutils/kidletime/xsyncbasedpoller.cpp:218 #18 0x00007f4629141f1e in publicx11Event (e=<optimized out>, this=<optimized out>) at ../../kdeui/kernel/kapplication.cpp:918 #19 KApplication::x11EventFilter (this=0x22aeb90, _event=0x7ffff3ec2f30) at ../../kdeui/kernel/kapplication.cpp:930 #20 0x00007f46277da7bc in qt_x11EventFilter (ev=0x7ffff3ec2f30) at kernel/qapplication_x11.cpp:441 #21 qt_x11EventFilter (ev=0x7ffff3ec2f30) at kernel/qapplication_x11.cpp:429 #22 0x00007f46277ea7f0 in QApplication::x11ProcessEvent (this=0x7ffff3ec5810, event=0x7ffff3ec2f30) at kernel/qapplication_x11.cpp:3449 #23 0x00007f4627812fa2 in x11EventSourceDispatch (s=0x193a370, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146 #24 0x00007f4623ec4ab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #25 0x00007f4623ec4de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #26 0x00007f4623ec4ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #27 0x00007f46283f4bf6 in QEventDispatcherGlib::processEvents (this=0x18507d0, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #28 0x00007f4627812c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204 #29 0x00007f46283c52bf in QEventLoop::processEvents (this=this@entry=0x7ffff3ec3310, flags=...) at kernel/qeventloop.cpp:149 #30 0x00007f46283c5548 in QEventLoop::exec (this=0x7ffff3ec3310, flags=...) at kernel/qeventloop.cpp:204 #31 0x00007f4601387023 in KAuth::Polkit1Backend::actionExists (this=0x1d08c60, action=...) at ../../kdecore/auth/backends/polkit-1/Polkit1Backend.cpp:219 #32 0x00007f462886e348 in setName (name=..., this=<optimized out>) at ../../kdecore/auth/kauthaction.cpp:110 #33 KAuth::Action::setName (this=<optimized out>, name=...) at ../../kdecore/auth/kauthaction.cpp:103 #34 0x00007f462886e3ca in KAuth::Action::Action (this=0x7ffff3ec33e0, name=...) at ../../kdecore/auth/kauthaction.cpp:61 #35 0x00007f460d49f25e in PowerDevilUPowerBackend::brightness (this=0x1d0b4a0, type=<optimized out>) at ../../../powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp:195 #36 0x00007f460d260ba3 in PowerDevil::BundledActions::DimDisplay::onIdleTimeout (this=0x1db3370, msec=<optimized out>) at ../../../powerdevil/daemon/actions/bundled/dimdisplay.cpp:59 #37 0x00007f460d248600 in PowerDevil::Core::onKIdleTimeoutReached (this=0x1d0aff0, identifier=69, msec=150000) at ../../../powerdevil/daemon/powerdevilcore.cpp:616 #38 0x00007f460d24dd5d in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./powerdevilcore.moc:151 #39 PowerDevil::Core::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./powerdevilcore.moc:109 #40 0x00007f46283dbf5f in QMetaObject::activate (sender=0x1d80c50, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffff3ec3780) at kernel/qobject.cpp:3547 #41 0x00007f460d02ba1f in KIdleTime::timeoutReached (this=this@entry=0x1d80c50, _t1=_t1@entry=69, _t2=_t2@entry=150000) at ./kidletime.moc:138 #42 0x00007f460d02be8a in KIdleTimePrivate::_k_timeoutReached (this=<optimized out>, msec=150000) at ../../kutils/kidletime/kidletime.cpp:243 #43 0x00007f46283dbf5f in QMetaObject::activate (sender=0x1dadd10, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffff3ec3960) at kernel/qobject.cpp:3547 #44 0x00007f460d02c991 in AbstractSystemPoller::timeoutReached (this=<optimized out>, _t1=150000) at ./abstractsystempoller.moc:129 #45 0x00007f460d02f4d3 in x11Event (event=0x7ffff3ec3f60, this=0x1dadd10) at ../../kutils/kidletime/xsyncbasedpoller.cpp:235 #46 XSyncBasedPoller::x11Event (this=0x1dadd10, event=0x7ffff3ec3f60) at ../../kutils/kidletime/xsyncbasedpoller.cpp:218 #47 0x00007f4629141f1e in publicx11Event (e=<optimized out>, this=<optimized out>) at ../../kdeui/kernel/kapplication.cpp:918 #48 KApplication::x11EventFilter (this=0x22aeb90, _event=0x7ffff3ec3f60) at ../../kdeui/kernel/kapplication.cpp:930 #49 0x00007f46277da7bc in qt_x11EventFilter (ev=0x7ffff3ec3f60) at kernel/qapplication_x11.cpp:441 #50 qt_x11EventFilter (ev=0x7ffff3ec3f60) at kernel/qapplication_x11.cpp:429 #51 0x00007f46277ea7f0 in QApplication::x11ProcessEvent (this=0x7ffff3ec5810, event=0x7ffff3ec3f60) at kernel/qapplication_x11.cpp:3449 #52 0x00007f4627812fa2 in x11EventSourceDispatch (s=0x193a370, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146 #53 0x00007f4623ec4ab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #54 0x00007f4623ec4de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #55 0x00007f4623ec4ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #56 0x00007f46283f4bf6 in QEventDispatcherGlib::processEvents (this=0x18507d0, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #57 0x00007f4627812c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204 #58 0x00007f46283c52bf in QEventLoop::processEvents (this=this@entry=0x7ffff3ec44b0, flags=...) at kernel/qeventloop.cpp:149 #59 0x00007f46283c5548 in QEventLoop::exec (this=0x7ffff3ec44b0, flags=...) at kernel/qeventloop.cpp:204 #60 0x00007f45f3df9ffe in KAuth::DBusHelperProxy::executeAction (this=0x1d59f90, action=..., helperID=..., arguments=...) at ../../kdecore/auth/backends/dbus/DBusHelperProxy.cpp:118 #61 0x00007f462886f1a7 in KAuth::Action::execute (this=this@entry=0x7ffff3ec4640, helperID=...) at ../../kdecore/auth/kauthaction.cpp:365 #62 0x00007f462886f251 in KAuth::Action::execute (this=0x7ffff3ec4640) at ../../kdecore/auth/kauthaction.cpp:301 #63 0x00007f460d49f2c2 in PowerDevilUPowerBackend::brightness (this=0x1d0b4a0, type=<optimized out>) at ../../../powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp:197 #64 0x00007f460d260bf3 in PowerDevil::BundledActions::DimDisplay::onIdleTimeout (this=0x1db3370, msec=<optimized out>) at ../../../powerdevil/daemon/actions/bundled/dimdisplay.cpp:56 #65 0x00007f460d248600 in PowerDevil::Core::onKIdleTimeoutReached (this=0x1d0aff0, identifier=68, msec=225000) at ../../../powerdevil/daemon/powerdevilcore.cpp:616 #66 0x00007f460d24dd5d in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./powerdevilcore.moc:151 #67 PowerDevil::Core::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./powerdevilcore.moc:109 #68 0x00007f46283dbf5f in QMetaObject::activate (sender=0x1d80c50, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffff3ec49e0) at kernel/qobject.cpp:3547 #69 0x00007f460d02ba1f in KIdleTime::timeoutReached (this=this@entry=0x1d80c50, _t1=_t1@entry=68, _t2=_t2@entry=225000) at ./kidletime.moc:138 #70 0x00007f460d02be8a in KIdleTimePrivate::_k_timeoutReached (this=<optimized out>, msec=225000) at ../../kutils/kidletime/kidletime.cpp:243 #71 0x00007f46283dbf5f in QMetaObject::activate (sender=0x1dadd10, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffff3ec4bc0) at kernel/qobject.cpp:3547 #72 0x00007f460d02c991 in AbstractSystemPoller::timeoutReached (this=<optimized out>, _t1=225000) at ./abstractsystempoller.moc:129 #73 0x00007f460d02f4d3 in x11Event (event=0x7ffff3ec51c0, this=0x1dadd10) at ../../kutils/kidletime/xsyncbasedpoller.cpp:235 #74 XSyncBasedPoller::x11Event (this=0x1dadd10, event=0x7ffff3ec51c0) at ../../kutils/kidletime/xsyncbasedpoller.cpp:218 #75 0x00007f4629141f1e in publicx11Event (e=<optimized out>, this=<optimized out>) at ../../kdeui/kernel/kapplication.cpp:918 #76 KApplication::x11EventFilter (this=0x22aeb90, _event=0x7ffff3ec51c0) at ../../kdeui/kernel/kapplication.cpp:930 #77 0x00007f46277da7bc in qt_x11EventFilter (ev=0x7ffff3ec51c0) at kernel/qapplication_x11.cpp:441 #78 qt_x11EventFilter (ev=0x7ffff3ec51c0) at kernel/qapplication_x11.cpp:429 #79 0x00007f46277ea7f0 in QApplication::x11ProcessEvent (this=0x7ffff3ec5810, event=0x7ffff3ec51c0) at kernel/qapplication_x11.cpp:3449 #80 0x00007f4627812fa2 in x11EventSourceDispatch (s=0x193a370, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146 #81 0x00007f4623ec4ab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #82 0x00007f4623ec4de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #83 0x00007f4623ec4ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #84 0x00007f46283f4bf6 in QEventDispatcherGlib::processEvents (this=0x18507d0, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #85 0x00007f4627812c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204 #86 0x00007f46283c52bf in QEventLoop::processEvents (this=this@entry=0x7ffff3ec5590, flags=...) at kernel/qeventloop.cpp:149 #87 0x00007f46283c5548 in QEventLoop::exec (this=0x7ffff3ec5590, flags=...) at kernel/qeventloop.cpp:204 #88 0x00007f46283ca708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187 #89 0x00007f46131bc3f0 in kdemain (argc=1, argv=0x18717c0) at ../../kded/kded.cpp:924 #90 0x00000000004085a2 in launch (argc=argc@entry=1, _name=_name@entry=0x40b226 "kded4", args=args@entry=0x0, cwd=cwd@entry=0x0, envc=envc@entry=0, envs=<optimized out>, envs@entry=0x0, reset_env=reset_env@entry=false, tty=tty@entry=0x0, avoid_loops=avoid_loops@entry=false, startup_id_str=startup_id_str@entry=0x40b0b6 "0") at ../../kinit/kinit.cpp:746 #91 0x0000000000405a99 in main (argc=4, argv=<optimized out>, envp=0x7ffff3ec6220) at ../../kinit/kinit.cpp:1861 This bug may be a duplicate of or related to bug 298633. Possible duplicates by query: bug 302214. Reported using DrKonqi
*** This bug has been marked as a duplicate of bug 315379 ***
Created attachment 78650 [details] New crash information added by DrKonqi kded4 ($Id$) on KDE Platform 4.9.5 using Qt 4.8.3 - What I was doing when the application crashed: Just before suspend state, i installed openjdk java 7 policy tool ,when i resumed the computer after sleep, it showed KDE crash handler. -- Backtrace (Reduced): #6 QHashData::nextNode (node=0x209c430) at tools/qhash.cpp:294 #7 0x00007f71265bf8c5 in PowerDevil::Core::onKIdleTimeoutReached(int, int) () from /usr/lib/libpowerdevilcore.so.0 [...] #10 0x00007f71263a2a1f in KIdleTime::timeoutReached (this=this@entry=0x181ba00, _t1=_t1@entry=40, _t2=_t2@entry=60000) at ./kidletime.moc:138 #11 0x00007f71263a2e8a in KIdleTimePrivate::_k_timeoutReached (this=<optimized out>, msec=60000) at ../../kutils/kidletime/kidletime.cpp:243 [...] #13 0x00007f71263a3991 in AbstractSystemPoller::timeoutReached (this=<optimized out>, _t1=60000) at ./abstractsystempoller.moc:129