Bug 329474

Application: kded4 (4.11.3)
KDE Platform Version: 4.11.3
Qt Version: 4.8.4
Operating System: Linux 3.11.0-14-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed:

Attempting to open an USB drive and then nautilus crashed, which let my computer speed very slow

-- Backtrace:
Application: Servicio de KDE (kded4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fece69927c0 (LWP 5340))]

Thread 4 (Thread 0x7fecd5a3c700 (LWP 5341)):
#0  0x00007fece19e0055 in __GI___pthread_mutex_lock (mutex=0x18cfec0) at pthread_mutex_lock.c:95
#1  0x00007fece13423a1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fece13017f0 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fece1302565 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fece1302b0a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fecdbb55b66 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007fece13270f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fece19ddf6e in start_thread (arg=0x7fecd5a3c700) at pthread_create.c:311
#8  0x00007fece42049cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7feccffff700 (LWP 5342)):
#0  0x00007fece13420ea in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fece1342399 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fece130212c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fece130263b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fece13027ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fece13027f9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fece13270f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fece19ddf6e in start_thread (arg=0x7feccffff700) at pthread_create.c:311
#8  0x00007fece42049cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fecceffd700 (LWP 5436)):
#0  0x00007fece41fcde3 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fece562d37b in qt_safe_select (nfds=25, fdread=0x7fecc4001728, fdwrite=0x7fecc40019c0, fdexcept=0x7fecc4001c58, orig_timeout=0x0) at kernel/qcore_unix.cpp:83
#2  0x00007fece5632904 in QEventDispatcherUNIXPrivate::doSelect (this=this@entry=0x7fecc4001570, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:223
#3  0x00007fece5632d02 in QEventDispatcherUNIX::processEvents (this=0x7fecc40008f0, flags=...) at kernel/qeventdispatcher_unix.cpp:937
#4  0x00007fece56015ef in QEventLoop::processEvents (this=this@entry=0x7fecceffcd70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fece56018e5 in QEventLoop::exec (this=this@entry=0x7fecceffcd70, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fece550088f in QThread::exec (this=this@entry=0x1af0850) at thread/qthread.cpp:542
#7  0x00007fece55e2d13 in QInotifyFileSystemWatcherEngine::run (this=0x1af0850) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007fece5502f2f in QThreadPrivate::start (arg=0x1af0850) at thread/qthread_unix.cpp:338
#9  0x00007fece19ddf6e in start_thread (arg=0x7fecceffd700) at pthread_create.c:311
#10 0x00007fece42049cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fece69927c0 (LWP 5340)):
[KCrash Handler]
#6  snd_config_iterator_next (iterator=iterator@entry=0x646f6d5f646e756f) at conf.c:3892
#7  0x00007fecbda1b751 in add_software_devices (list=0x7fff95b1aae0, config=0x1b11b60) at namehint.c:506
#8  snd_device_name_hint (card=-1, iface=<optimized out>, hints=0x7fff95b1ad98) at namehint.c:591
#9  0x00007fecbe24cc2a in PhononServer::findVirtualDevices (this=this@entry=0x1aedb30) at ../../../phonon/kded-module/phononserver.cpp:170
#10 0x00007fecbe24f825 in PhononServer::findDevices (this=this@entry=0x1aedb30) at ../../../phonon/kded-module/phononserver.cpp:684
#11 0x00007fecbe252b48 in PhononServer::timerEvent (this=0x1aedb30, e=<optimized out>) at ../../../phonon/kded-module/phononserver.cpp:1074
#12 0x00007fece561abe1 in QObject::event (this=0x1aedb30, e=<optimized out>) at kernel/qobject.cpp:1156
#13 0x00007fece499fdfc in QApplicationPrivate::notify_helper (this=this@entry=0x17b6ce0, receiver=receiver@entry=0x1aedb30, e=e@entry=0x7fff95b1b600) at kernel/qapplication.cpp:4567
#14 0x00007fece49a6470 in QApplication::notify (this=this@entry=0x7fff95b1ba70, receiver=receiver@entry=0x1aedb30, e=e@entry=0x7fff95b1b600) at kernel/qapplication.cpp:4353
#15 0x00007fece6380a6a in KApplication::notify (this=0x7fff95b1ba70, receiver=0x1aedb30, event=0x7fff95b1b600) at ../../kdeui/kernel/kapplication.cpp:311
#16 0x00007fece56028bd in QCoreApplication::notifyInternal (this=0x7fff95b1ba70, receiver=0x1aedb30, event=0x7fff95b1b600) at kernel/qcoreapplication.cpp:946
#17 0x00007fece5632403 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QTimerInfoList::activateTimers (this=0x17b7898) at kernel/qeventdispatcher_unix.cpp:622
#19 0x00007fece5632480 in QEventDispatcherUNIX::activateTimers (this=this@entry=0x174b670) at kernel/qeventdispatcher_unix.cpp:879
#20 0x00007fece5632d90 in QEventDispatcherUNIX::processEvents (this=this@entry=0x174b670, flags=...) at kernel/qeventdispatcher_unix.cpp:941
#21 0x00007fece4a422f6 in QEventDispatcherX11::processEvents (this=0x174b670, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#22 0x00007fece56015ef in QEventLoop::processEvents (this=this@entry=0x7fff95b1b940, flags=...) at kernel/qeventloop.cpp:149
#23 0x00007fece56018e5 in QEventLoop::exec (this=this@entry=0x7fff95b1b940, flags=...) at kernel/qeventloop.cpp:204
#24 0x00007fece5606e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#25 0x00007fece499e34c in QApplication::exec () at kernel/qapplication.cpp:3828
#26 0x00007fecdca6795b in kdemain (argc=1, argv=0x179bf70) at ../../kded/kded.cpp:925
#27 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
#28 0x00000000004059a6 in main (argc=2, argv=<optimized out>, envp=0x7fff95b1c1c0) at ../../kinit/kinit.cpp:1853

Possible duplicates by query: bug 319797.

Reported using DrKonqi