Application: dolphin (2.0)
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-27-generic x86_64
Distribution: Ubuntu 12.04 LTS

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

I was using Dolphin and just use the mous wheel and then crash!

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7ece292780 (LWP 9197))]

Thread 3 (Thread 0x7f7eba00a700 (LWP 9198)):
#0  0x00007f7ec63ef05d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f7eb4000a60) at pthread_mutex_unlock.c:290
#2  0x00007f7ec5b625d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ec5b2683b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ec5b26f5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7ec5b27164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f7ecabd8426 in QEventDispatcherGlib::processEvents (this=0x7f7eb40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007f7ecaba7c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f7ecaba7ed7 in QEventLoop::exec (this=0x7f7eba009dd0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f7ecaaa6fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#10 0x00007f7ecab879ff in QInotifyFileSystemWatcherEngine::run (this=0x1ea9ba0) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007f7ecaaa9fcb in QThreadPrivate::start (arg=0x1ea9ba0) at thread/qthread_unix.cpp:298
#12 0x00007f7ec63ebe9a in start_thread (arg=0x7f7eba00a700) at pthread_create.c:308
#13 0x00007f7ecdb5c4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f7eb8e44700 (LWP 9199)):
#0  0x00007f7ecdb50b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f7ec5b27036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ec5b27164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ecabd8426 in QEventDispatcherGlib::processEvents (this=0x7f7eac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f7ecaba7c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f7ecaba7ed7 in QEventLoop::exec (this=0x7f7eb8e43dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ecaaa6fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f7ecab879ff in QInotifyFileSystemWatcherEngine::run (this=0x2203570) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f7ecaaa9fcb in QThreadPrivate::start (arg=0x2203570) at thread/qthread_unix.cpp:298
#9  0x00007f7ec63ebe9a in start_thread (arg=0x7f7eb8e44700) at pthread_create.c:308
#10 0x00007f7ecdb5c4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7ece292780 (LWP 9197)):
[KCrash Handler]
#6  0x0000000002316a70 in ?? ()
#7  0x00007f7ec9cae894 in notify_helper (e=0x7fff38c57a80, receiver=0x2661210, this=0x1d20280) at kernel/qapplication.cpp:4559
#8  QApplicationPrivate::notify_helper (this=0x1d20280, receiver=0x2661210, e=0x7fff38c57a80) at kernel/qapplication.cpp:4531
#9  0x00007f7ec9cb3713 in QApplication::notify (this=0x7fff38c584d0, receiver=0x2661210, e=0x7fff38c57a80) at kernel/qapplication.cpp:4420
#10 0x00007f7ecb60f9e6 in KApplication::notify (this=0x7fff38c584d0, receiver=0x2661210, event=0x7fff38c57a80) at ../../kdeui/kernel/kapplication.cpp:311
#11 0x00007f7ecaba8e9c in QCoreApplication::notifyInternal (this=0x7fff38c584d0, receiver=0x2661210, event=0x7fff38c57a80) at kernel/qcoreapplication.cpp:876
#12 0x00007f7ec9caf11b in sendEvent (event=0x7fff38c57a80, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#13 QApplicationPrivate::dispatchEnterLeave (enter=0x2661210, leave=<optimized out>) at kernel/qapplication.cpp:2824
#14 0x00007f7ec9d2d9f1 in QApplication::x11ProcessEvent (this=0x7fff38c584d0, event=0x7fff38c580c0) at kernel/qapplication_x11.cpp:3805
#15 0x00007f7ec9d570d2 in x11EventSourceDispatch (s=0x1d21d70, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#16 0x00007f7ec5b26d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f7ec5b270a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f7ec5b27164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f7ecabd83bf in QEventDispatcherGlib::processEvents (this=0x1cfa4a0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#20 0x00007f7ec9d56d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#21 0x00007f7ecaba7c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#22 0x00007f7ecaba7ed7 in QEventLoop::exec (this=0x7fff38c58460, flags=...) at kernel/qeventloop.cpp:204
#23 0x00007f7ecabacf67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#24 0x00007f7ecde6f4c7 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_dolphin.so
#25 0x00007f7ecda8b76d in __libc_start_main (main=0x400640, argc=5, ubp_av=0x7fff38c58a28, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff38c58a18) at libc-start.c:226
#26 0x0000000000400671 in _start ()

Possible duplicates by query: bug 304472, bug 304433, bug 304420, bug 304376, bug 304354.

Reported using DrKonqi