Application: kded4 (4.11.5)
KDE Platform Version: 4.11.5
Qt Version: 4.8.4
Operating System: Linux 3.11.0-19-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
I wasn't doing anything. I just logged on from my lock screen. Only firefox, terminator, and software updater were launched (by my hand).

Sorry if this description is not useful.

-- Backtrace:
Application: KDE Daemon (kded4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2fafc4b7c0 (LWP 28654))]

Thread 3 (Thread 0x7f2f9d050700 (LWP 28655)):
#0  0x00007f2fad4b4f7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f2faa5bf6a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2faa5bfb0a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2fa4e0eb66 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f2faa5e40f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2faac9af6e in start_thread (arg=0x7f2f9d050700) at pthread_create.c:311
#6  0x00007f2fad4c19cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f2f91759700 (LWP 28755)):
#0  0x00007f2fad4b9de3 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f2fae8ea37b in qt_safe_select (nfds=21, fdread=0x7f2f8c000ac8, fdwrite=0x7f2f8c000d60, fdexcept=0x7f2f8c000ff8, orig_timeout=0x0) at kernel/qcore_unix.cpp:83
#2  0x00007f2fae8ef904 in QEventDispatcherUNIXPrivate::doSelect (this=this@entry=0x7f2f8c000910, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:223
#3  0x00007f2fae8efd02 in QEventDispatcherUNIX::processEvents (this=0x7f2f8c0008f0, flags=...) at kernel/qeventdispatcher_unix.cpp:937
#4  0x00007f2fae8be5ef in QEventLoop::processEvents (this=this@entry=0x7f2f91758d70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f2fae8be8e5 in QEventLoop::exec (this=this@entry=0x7f2f91758d70, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f2fae7bd88f in QThread::exec (this=this@entry=0x198b990) at thread/qthread.cpp:542
#7  0x00007f2fae89fd13 in QInotifyFileSystemWatcherEngine::run (this=0x198b990) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f2fae7bff2f in QThreadPrivate::start (arg=0x198b990) at thread/qthread_unix.cpp:338
#9  0x00007f2faac9af6e in start_thread (arg=0x7f2f91759700) at pthread_create.c:311
#10 0x00007f2fad4c19cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f2fafc4b7c0 (LWP 28654)):
[KCrash Handler]
#6  __strcpy_chk () at ../sysdeps/x86_64/strcpy_chk.S:70
#7  0x00007f2f931f26f0 in strcpy (__src=0x0, __dest=0x1cdca60 "pcm.(null)") at /usr/include/x86_64-linux-gnu/bits/string3.h:104
#8  try_config (config=config@entry=0x19ad540, list=list@entry=0x7ffff6fb73c0, base=0x7f2f93a3621c "pcm", name=0x0) at namehint.c:243
#9  0x00007f2f931f373d in add_software_devices (list=0x7ffff6fb73c0, config=0x19ad540) at namehint.c:512
#10 snd_device_name_hint (card=-1, iface=<optimized out>, hints=0x7ffff6fb7678) at namehint.c:591
#11 0x00007f2f93a24c2a in PhononServer::findVirtualDevices (this=this@entry=0x1988650) at ../../../phonon/kded-module/phononserver.cpp:170
#12 0x00007f2f93a27825 in PhononServer::findDevices (this=this@entry=0x1988650) at ../../../phonon/kded-module/phononserver.cpp:684
#13 0x00007f2f93a2ab48 in PhononServer::timerEvent (this=0x1988650, e=<optimized out>) at ../../../phonon/kded-module/phononserver.cpp:1074
#14 0x00007f2fae8d7be1 in QObject::event (this=0x1988650, e=<optimized out>) at kernel/qobject.cpp:1156
#15 0x00007f2fadc5cdfc in QApplicationPrivate::notify_helper (this=this@entry=0x1672240, receiver=receiver@entry=0x1988650, e=e@entry=0x7ffff6fb7ee0) at kernel/qapplication.cpp:4567
#16 0x00007f2fadc63470 in QApplication::notify (this=this@entry=0x7ffff6fb8350, receiver=receiver@entry=0x1988650, e=e@entry=0x7ffff6fb7ee0) at kernel/qapplication.cpp:4353
#17 0x00007f2faf63da6a in KApplication::notify (this=0x7ffff6fb8350, receiver=0x1988650, event=0x7ffff6fb7ee0) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x00007f2fae8bf8bd in QCoreApplication::notifyInternal (this=0x7ffff6fb8350, receiver=0x1988650, event=0x7ffff6fb7ee0) at kernel/qcoreapplication.cpp:946
#19 0x00007f2fae8ef403 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#20 QTimerInfoList::activateTimers (this=0x1672f08) at kernel/qeventdispatcher_unix.cpp:622
#21 0x00007f2fae8ef480 in QEventDispatcherUNIX::activateTimers (this=this@entry=0x1603440) at kernel/qeventdispatcher_unix.cpp:879
#22 0x00007f2fae8efd90 in QEventDispatcherUNIX::processEvents (this=this@entry=0x1603440, flags=...) at kernel/qeventdispatcher_unix.cpp:941
#23 0x00007f2fadcff2f6 in QEventDispatcherX11::processEvents (this=0x1603440, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#24 0x00007f2fae8be5ef in QEventLoop::processEvents (this=this@entry=0x7ffff6fb8220, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f2fae8be8e5 in QEventLoop::exec (this=this@entry=0x7ffff6fb8220, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f2fae8c3e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#27 0x00007f2fadc5b34c in QApplication::exec () at kernel/qapplication.cpp:3828
#28 0x00007f2fa5d2095b in kdemain (argc=1, argv=0x16575a0) at ../../kded/kded.cpp:925
#29 0x00000000004083f5 in launch (argc=argc@entry=1, _name=_name@entry=0x40b007 "kded4", args=<optimized out>, 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=0x40ae96 "0") at ../../kinit/kinit.cpp:738
#30 0x00000000004059a6 in main (argc=2, argv=<optimized out>, envp=0x7ffff6fb8aa0) at ../../kinit/kinit.cpp:1853

Possible duplicates by query: bug 327378, bug 322417, bug 320854.

Reported using DrKonqi