Application: dolphin (1.6.1)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-11-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed: Launching dolphin with the command 'kdesu -u user1 dolphin' from user2's session!

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7faed96a8780 (LWP 5009))]

Thread 2 (Thread 0x7faec6226700 (LWP 5016)):
#0  0x00007faed8f9af03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007faed1735104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007faed1735639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007faed541c446 in QEventDispatcherGlib::processEvents (this=0xc62d50, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007faed53f0882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007faed53f0abc in QEventLoop::exec (this=0x7faec6225dd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007faed5307924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007faed53d2c2f in QInotifyFileSystemWatcherEngine::run (this=0xdc0080) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007faed530a175 in QThreadPrivate::start (arg=0xdc0080) at thread/qthread_unix.cpp:320
#9  0x00007faed1c00d8c in start_thread (arg=0x7faec6226700) at pthread_create.c:304
#10 0x00007faed8fa804d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7faed96a8780 (LWP 5009)):
[KCrash Handler]
#6  0x00007faed58b8107 in KServiceTypeTrader::defaultOffers (this=<value optimized out>, serviceType=..., constraint=...) at ../../kdecore/services/kservicetypetrader.cpp:116
#7  0x00007faed58b84e9 in KServiceTypeTrader::query (this=0x121fda0, serviceType=..., constraint=...) at ../../kdecore/services/kservicetypetrader.cpp:141
#8  0x00007faed7068f60 in KIO::PreviewJobPrivate::startPreview (this=0x12406d0) at ../../kio/kio/previewjob.cpp:274
#9  0x00007faed7069e5d in KIO::PreviewJob::qt_metacall (this=0x12427e0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x13760f0) at ./previewjob.moc:86
#10 0x00007faed540549a in QObject::event (this=0x12427e0, e=<value optimized out>) at kernel/qobject.cpp:1226
#11 0x00007faed5db09f4 in QApplicationPrivate::notify_helper (this=0xb814e0, receiver=0x12427e0, e=0x1242e30) at kernel/qapplication.cpp:4462
#12 0x00007faed5db53ba in QApplication::notify (this=<value optimized out>, receiver=0x12427e0, e=0x1242e30) at kernel/qapplication.cpp:4341
#13 0x00007faed6ad3866 in KApplication::notify (this=0x7fffb66efc40, receiver=0x12427e0, event=0x1242e30) at ../../kdeui/kernel/kapplication.cpp:311
#14 0x00007faed53f149c in QCoreApplication::notifyInternal (this=0x7fffb66efc40, receiver=0x12427e0, event=0x1242e30) at kernel/qcoreapplication.cpp:731
#15 0x00007faed53f4c25 in sendEvent (receiver=0x0, event_type=0, data=0xb2e5d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xb2e5d0) at kernel/qcoreapplication.cpp:1372
#17 0x00007faed541c253 in sendPostedEvents (s=0xb7ee90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#18 postEventSourceDispatch (s=0xb7ee90) at kernel/qeventdispatcher_glib.cpp:277
#19 0x00007faed1734bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007faed17353a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007faed1735639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007faed541c3ef in QEventDispatcherGlib::processEvents (this=0xb2ddb0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#23 0x00007faed5e5a4de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007faed53f0882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007faed53f0abc in QEventLoop::exec (this=0x7fffb66efbd0, flags=...) at kernel/qeventloop.cpp:201
#26 0x00007faed53f4ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#27 0x00007faed9298995 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_dolphin.so
#28 0x00007faed8ee0eff in __libc_start_main (main=0x400730 <_start+256>, argc=1, ubp_av=0x7fffb66f0168, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fffb66f0158) at libc-start.c:226
#29 0x0000000000400659 in _start ()

Possible duplicates by query: bug 280004, bug 278846, bug 268064.

Reported using DrKonqi