Application: plasma-desktop (0.4)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.0
Operating System: Linux 3.2.0-21-generic x86_64
Distribution: Ubuntu precise (development branch)

-- Information about the crash:
I've been away from my laptop for a while. When I came back, I have found that plasma crashed. There were no applications running in the backgrouns except for chromium, Psi+, Ktorrent and Dolphin.

-- Backtrace:
Application: Оболочка Plasma (plasma-desktop), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f618e38a780 (LWP 2172))]

Thread 5 (Thread 0x7f6168757700 (LWP 2176)):
#0  0x00007f618dc58b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6181e16ff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6181e17124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f618ae35a96 in QEventDispatcherGlib::processEvents (this=0x7f61600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f618ae052f2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f618ae05547 in QEventLoop::exec (this=0x7f6168756dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f618ad04f97 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f618ade506f in QInotifyFileSystemWatcherEngine::run (this=0x2c2a4d0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f618ad07fbb in QThreadPrivate::start (arg=0x2c2a4d0) at thread/qthread_unix.cpp:298
#9  0x00007f618271be9a in start_thread (arg=0x7f6168757700) at pthread_create.c:308
#10 0x00007f618dc644bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f6167072700 (LWP 2177)):
#0  0x00007f618271f05d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f6158000a60) at pthread_mutex_unlock.c:290
#2  0x00007f6181e525a1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6181e16f0e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6181e17124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f618ae35a96 in QEventDispatcherGlib::processEvents (this=0x7f61580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f618ae052f2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f618ae05547 in QEventLoop::exec (this=0x7f6167071dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f618ad04f97 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f618ade506f in QInotifyFileSystemWatcherEngine::run (this=0x2cd0fa0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f618ad07fbb in QThreadPrivate::start (arg=0x2cd0fa0) at thread/qthread_unix.cpp:298
#11 0x00007f618271be9a in start_thread (arg=0x7f6167072700) at pthread_create.c:308
#12 0x00007f618dc644bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f6157d1a700 (LWP 2180)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6187bea212 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f6187bea249 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f618271be9a in start_thread (arg=0x7f6157d1a700) at pthread_create.c:308
#4  0x00007f618dc644bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6154c88700 (LWP 2182)):
#0  __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:55
#1  __pthread_mutex_unlock (mutex=0x7f615000c5f0) at pthread_mutex_unlock.c:290
#2  0x00007f6181e525a1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6181e166dd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6181e16f1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6181e1745a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6155772326 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007f6181e389b5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f618271be9a in start_thread (arg=0x7f6154c88700) at pthread_create.c:308
#9  0x00007f618dc644bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f618e38a780 (LWP 2172)):
[KCrash Handler]
#6  0x00007f618dba8445 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f618dbabbab in __GI_abort () at abort.c:91
#8  0x00007f6189d7569d in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#9  0x00007f6189d73846 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#10 0x00007f6189d73873 in std::terminate() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#11 0x00007f6189d739b6 in __cxa_rethrow () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#12 0x00007f618ae057dc in QEventLoop::exec (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:218
#13 0x00007f618ae0a5d7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#14 0x00007f618df70a13 in kdemain (argc=1, argv=0x7fff71651598) at ../../../../plasma/desktop/shell/main.cpp:120
#15 0x00007f618db9376d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff71651598, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff71651588) at libc-start.c:226
#16 0x0000000000400671 in _start ()

Possible duplicates by query: bug 297045, bug 297031, bug 297011, bug 296897, bug 296744.