Application: gwenview (2.5.0)
KDE Platform Version: 4.5.95 (4.6 RC2)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-24-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
Select some images in gwenview, and go to menu Plugins - Batch processing - Convert images, I got the crash.

The crash can be reproduced every time.

-- Backtrace:
Application: Gwenview (gwenview), signal: Aborted
[Current thread is 1 (Thread 0x7fe66d6ef760 (LWP 31204))]

Thread 5 (Thread 0x7fe65a04c700 (LWP 31206)):
#0  0x00007fe66a303203 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe666cef009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fe666cef45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fe66c7a01e6 in QEventDispatcherGlib::processEvents (this=0x15f6340, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007fe66c772a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fe66c772dec in QEventLoop::exec (this=0x7fe65a04bdb0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007fe66c67d2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007fe66c7525f8 in QInotifyFileSystemWatcherEngine::run (this=0x16624e0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fe66c68027e in QThreadPrivate::start (arg=0x16624e0) at thread/qthread_unix.cpp:266
#9  0x00007fe6677bd971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#10 0x00007fe66a30f92d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fe65981a700 (LWP 31207)):
#0  __pthread_mutex_unlock_usercnt (mutex=0x166f268) at pthread_mutex_unlock.c:38
#1  __pthread_mutex_unlock (mutex=0x166f268) at pthread_mutex_unlock.c:290
#2  0x00007fe666cee661 in g_main_context_check () from /lib/libglib-2.0.so.0
#3  0x00007fe666cef023 in ?? () from /lib/libglib-2.0.so.0
#4  0x00007fe666cef45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x00007fe66c7a01e6 in QEventDispatcherGlib::processEvents (this=0x1673cc0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#6  0x00007fe66c772a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#7  0x00007fe66c772dec in QEventLoop::exec (this=0x7fe659819dd0, flags=) at kernel/qeventloop.cpp:201
#8  0x00007fe66c67d2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#9  0x00007fe664aa5b6c in Herqq::Upnp::HControlPointThread::run() () from /usr/lib/libHUpnp.so.0
#10 0x00007fe66c68027e in QThreadPrivate::start (arg=0x1673430) at thread/qthread_unix.cpp:266
#11 0x00007fe6677bd971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#12 0x00007fe66a30f92d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fe657659700 (LWP 31216)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe66c680e3b in wait (this=<value optimized out>, mutex=0x1585b18, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1585b18, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fe66d0395f5 in Gwenview::SemanticInfoThread::run (this=0x1585b00) at ../../../gwenview/lib/semanticinfo/nepomuksemanticinfobackend.cpp:135
#4  0x00007fe66c68027e in QThreadPrivate::start (arg=0x1585b00) at thread/qthread_unix.cpp:266
#5  0x00007fe6677bd971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#6  0x00007fe66a30f92d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe652ebf700 (LWP 31220)):
#0  0x00007fe66a303203 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe666cef009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fe666cef45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fe66c7a01e6 in QEventDispatcherGlib::processEvents (this=0x1838af0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007fe66c772a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fe66c772dec in QEventLoop::exec (this=0x7fe652ebedb0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007fe66c67d2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007fe66c7525f8 in QInotifyFileSystemWatcherEngine::run (this=0x1d726e0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fe66c68027e in QThreadPrivate::start (arg=0x1d726e0) at thread/qthread_unix.cpp:266
#9  0x00007fe6677bd971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#10 0x00007fe66a30f92d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe66d6ef760 (LWP 31204)):
[KCrash Handler]
#6  0x00007fe66a25cba5 in raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007fe66a2606b0 in abort () at abort.c:92
#8  0x00007fe66a29643b in __libc_message (do_abort=<value optimized out>, fmt=<value optimized out>) at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007fe66a2a04b6 in malloc_printerr (action=3, str=0x7fe66a370e33 "free(): invalid pointer", ptr=<value optimized out>) at malloc.c:6283
#10 0x00007fe66c797020 in v_clear<QRectF> (d=0x7fff54673c50) at ../../include/QtCore/private/../../../src/corelib/kernel/qvariant_p.h:142
#11 clear (d=0x7fff54673c50) at kernel/qvariant.cpp:254
#12 0x00007fe64b062af3 in ?? () from /usr/lib/kde4/kipiplugin_batchprocessimages.so
#13 0x00007fe64b07d6e3 in ?? () from /usr/lib/kde4/kipiplugin_batchprocessimages.so
#14 0x00007fe64b05e756 in ?? () from /usr/lib/kde4/kipiplugin_batchprocessimages.so
#15 0x00007fe64b05eb80 in ?? () from /usr/lib/kde4/kipiplugin_batchprocessimages.so
#16 0x00007fe66c78bb27 in QMetaObject::activate (sender=0x1e87f50, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3280
#17 0x00007fe66aa62852 in QAction::triggered (this=0x79e4, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#18 0x00007fe66aa63f5b in QAction::activate (this=0x1e87f50, event=<value optimized out>) at kernel/qaction.cpp:1256
#19 0x00007fe66aecadc1 in QMenuPrivate::activateCausedStack (this=<value optimized out>, causedStack=..., action=0x1e87f50, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:993
#20 0x00007fe66aed0782 in QMenuPrivate::activateAction (this=0x1eff120, action=0x1e87f50, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1085
#21 0x00007fe66aac004e in QWidget::event (this=0x1eefe50, event=0x7fff54674e40) at kernel/qwidget.cpp:8187
#22 0x00007fe66aed290b in QMenu::event (this=0x1eefe50, e=0x7fff54674e40) at widgets/qmenu.cpp:2410
#23 0x00007fe66aa69fdc in QApplicationPrivate::notify_helper (this=0x14955f0, receiver=0x1eefe50, e=0x7fff54674e40) at kernel/qapplication.cpp:4396
#24 0x00007fe66aa7030e in QApplication::notify (this=0x7fff54675b70, receiver=0x1eefe50, e=0x7fff54674e40) at kernel/qapplication.cpp:3959
#25 0x00007fe66bcf0a36 in KApplication::notify (this=0x7fff54675b70, receiver=0x1eefe50, event=0x7fff54674e40) at ../../kdeui/kernel/kapplication.cpp:311
#26 0x00007fe66c773cdc in QCoreApplication::notifyInternal (this=0x7fff54675b70, receiver=0x1eefe50, event=0x7fff54674e40) at kernel/qcoreapplication.cpp:732
#27 0x00007fe66aa6edbe in sendEvent (receiver=0x1eefe50, event=0x7fff54674e40, alienWidget=0x0, nativeWidget=0x1eefe50, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#28 QApplicationPrivate::sendMouseEvent (receiver=0x1eefe50, event=0x7fff54674e40, alienWidget=0x0, nativeWidget=0x1eefe50, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:3058
#29 0x00007fe66aaf27bd in QETWidget::translateMouseEvent (this=0x1eefe50, event=<value optimized out>) at kernel/qapplication_x11.cpp:4337
#30 0x00007fe66aaf0c5c in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff54675760) at kernel/qapplication_x11.cpp:3536
#31 0x00007fe66ab1d0e2 in x11EventSourceDispatch (s=0x1499430, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#32 0x00007fe666ceb342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#33 0x00007fe666cef2a8 in ?? () from /lib/libglib-2.0.so.0
#34 0x00007fe666cef45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#35 0x00007fe66c7a0193 in QEventDispatcherGlib::processEvents (this=0x147caa0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#36 0x00007fe66ab1ca4e in QGuiEventDispatcherGlib::processEvents (this=0x79e4, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007fe66c772a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#38 0x00007fe66c772dec in QEventLoop::exec (this=0x7fff54675a90, flags=) at kernel/qeventloop.cpp:201
#39 0x00007fe66c776ebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#40 0x0000000000442fe5 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../gwenview/app/main.cpp:139

Reported using DrKonqi