Application: dolphin (1.4)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
Dolphin breaks randomly with a fresh installation of kubuntu 10.04. I haven't found any particular action that makes dolphin to break, but it does quite frequently. Additionally I used to have in the same hardware another version of Kubuntu 10.04 upgraded from the previous version (9.10) and it didn't happen at all. 
Problems started when I decided to delete the previous version and install a fresh installation of kubuntu 10.04.



The crash can be reproduced some of the time.

 -- Backtrace:
Application: Dolphin (dolphin), signal: Aborted
[Current thread is 1 (Thread 0x7f903dda0760 (LWP 2570))]

Thread 3 (Thread 0x7f902d1e4710 (LWP 2575)):
#0  0x00007f9039a20f53 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f9035e474a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f9035e478fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f903a174566 in QEventDispatcherGlib::processEvents (this=0x2b370f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007f903a149992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f903a149d6c in QEventLoop::exec (this=0x7f902d1e3db0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f903a053d59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007f903a12a178 in QInotifyFileSystemWatcherEngine::run (this=0x24f91d0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f903a056775 in QThreadPrivate::start (arg=0x24f91d0) at thread/qthread_unix.cpp:248
#9  0x00007f9036f8c9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f9039a2d69d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f9025935710 (LWP 2802)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1  0x00007f9036f9191c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:259
#2  0x00007f903a055ea3 in QMutexPrivate::wait (this=0x7f9028056850, timeout=-1) at thread/qmutex_unix.cpp:84
#3  0x00007f903a0519e5 in QMutex::lock (this=0x7f90280535d0) at thread/qmutex.cpp:167
#4  0x00007f9037dcaadd in ?? () from /usr/lib/libsopranoclient.so.1
#5  0x00007f903cadcb9d in Nepomuk::MainModel::executeQuery (this=0x282a0b0, query=..., language=Soprano::Query::QueryLanguageSparql, userQueryLanguage=...)
    at ../../../nepomuk/core/nepomukmainmodel.cpp:213
#6  0x00007f903c80e77c in Soprano::FilterModel::executeQuery(QString const&, Soprano::Query::QueryLanguage, QString const&) const () from /usr/lib/libsoprano.so.4
#7  0x00007f903cad1635 in Nepomuk::ResourceData::determineUri (this=0x2e36380) at ../../../nepomuk/core/resourcedata.cpp:671
#8  0x00007f903cad2802 in Nepomuk::ResourceData::load (this=0x2e36380) at ../../../nepomuk/core/resourcedata.cpp:414
#9  0x00007f903cad31b8 in Nepomuk::ResourceData::property (this=0x2e36380, uri=...) at ../../../nepomuk/core/resourcedata.cpp:271
#10 0x00007f903caedee2 in Nepomuk::Resource::property (this=<value optimized out>, uri=...) at ../../../nepomuk/core/resource.cpp:280
#11 0x00007f903caf09d0 in Nepomuk::Resource::rating (this=0x7f9025934c80) at ../../../nepomuk/core/resource.cpp:800
#12 0x0000000000465b08 in KLoadMetaDataThread::run (this=0x2eeb8d0) at ../../../../apps/dolphin/src/panels/information/kloadmetadatathread.cpp:95
#13 0x00007f903a056775 in QThreadPrivate::start (arg=0x2eeb8d0) at thread/qthread_unix.cpp:248
#14 0x00007f9036f8c9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#15 0x00007f9039a2d69d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#16 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f903dda0760 (LWP 2570)):
[KCrash Handler]
#5  0x00007f903997aa75 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#6  0x00007f903997e5c0 in *__GI_abort () at abort.c:92
#7  0x00007f90399b44fb in __libc_message (do_abort=<value optimized out>, fmt=<value optimized out>) at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#8  0x00007f90399be5b6 in malloc_printerr (action=3, str=0x7f9039a8d282 "corrupted double-linked list", ptr=<value optimized out>) at malloc.c:6264
#9  0x00007f90399bea61 in malloc_consolidate (av=<value optimized out>) at malloc.c:5150
#10 0x00007f90399c1460 in _int_free (av=0x7f9028000020, p=0x7f902805fb20) at malloc.c:5015
#11 0x00007f90399c4e53 in *__GI___libc_free (mem=<value optimized out>) at malloc.c:3738
#12 0x00007f903a0599f8 in QByteArray::resize (this=0x27e5008, size=2570) at tools/qbytearray.cpp:1359
#13 0x00007f903a0e2ffb in QRingBuffer::clear (this=<value optimized out>, pos=<value optimized out>) at ../../include/QtCore/private/../../../src/corelib/tools/qringbuffer_p.h:262
#14 QIODevice::seek (this=<value optimized out>, pos=<value optimized out>) at io/qiodevice.cpp:649
#15 0x00007f903a0c831f in QBuffer::seek (this=0x27cc900, pos=39603) at io/qbuffer.cpp:383
#16 0x00007f903a8c6885 in KSycocaDict::Private::offsetForKey (this=0x26748f0, key=<value optimized out>) at ../../kdecore/sycoca/ksycocadict.cpp:539
#17 0x00007f903a8c6b16 in KSycocaDict::find_string (this=0x27f1210, key=...) at ../../kdecore/sycoca/ksycocadict.cpp:151
#18 0x00007f903a8310e1 in KServiceTypeFactory::findServiceTypeByName (this=0x2a23f20, _name=...) at ../../kdecore/services/kservicetypefactory.cpp:72
#19 0x00007f903a83591f in KServiceTypeTrader::defaultOffers (this=<value optimized out>, serviceType=..., constraint=...) at ../../kdecore/services/kservicetypetrader.cpp:116
#20 0x00007f903a835db1 in KServiceTypeTrader::query (this=0x27ef920, serviceType=..., constraint=...) at ../../kdecore/services/kservicetypetrader.cpp:141
#21 0x00007f902c7d9f1b in Phonon::KdePlatformPlugin::isMimeTypeAvailable (this=<value optimized out>, mimeType=...) at ../../../phonon/platform_kde/kdeplatformplugin.cpp:245
#22 0x00007f903cd4fe38 in Phonon::BackendCapabilities::isMimeTypeAvailable(QString const&) () from /usr/lib/libphonon.so.4
#23 0x000000000043e95b in InformationPanelContent::showItem (this=0x290ee20, item=...) at ../../../../apps/dolphin/src/panels/information/informationpanelcontent.cpp:203
#24 0x000000000043c5f0 in InformationPanel::showItemInfo (this=0x2910920) at ../../../../apps/dolphin/src/panels/information/informationpanel.cpp:179
#25 0x000000000043d624 in InformationPanel::qt_metacall (this=0x2910920, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0x7fffbd416aa0) at ./informationpanel.moc:102
#26 0x00007f903a15de3f in QMetaObject::activate (sender=0x27ce1f0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3293
#27 0x00007f903a15aa63 in QObject::event (this=0x27ce1f0, e=0x7fffbd4171f0) at kernel/qobject.cpp:1212
#28 0x00007f903ad3822c in QApplicationPrivate::notify_helper (this=0x24f8590, receiver=0x27ce1f0, e=0x7fffbd4171f0) at kernel/qapplication.cpp:4300
#29 0x00007f903ad3e6fb in QApplication::notify (this=0x7fffbd417540, receiver=0x27ce1f0, e=0x7fffbd4171f0) at kernel/qapplication.cpp:4183
#30 0x00007f903ba43526 in KApplication::notify (this=0x7fffbd417540, receiver=0x27ce1f0, event=0x7fffbd4171f0) at ../../kdeui/kernel/kapplication.cpp:302
#31 0x00007f903a14b06c in QCoreApplication::notifyInternal (this=0x7fffbd417540, receiver=0x27ce1f0, event=0x7fffbd4171f0) at kernel/qcoreapplication.cpp:704
#32 0x00007f903a177d42 in QCoreApplication::sendEvent (this=0x2501080) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#33 QTimerInfoList::activateTimers (this=0x2501080) at kernel/qeventdispatcher_unix.cpp:603
#34 0x00007f903a174824 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#35 0x00007f9035e438c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#36 0x00007f9035e47748 in ?? () from /lib/libglib-2.0.so.0
#37 0x00007f9035e478fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#38 0x00007f903a174513 in QEventDispatcherGlib::processEvents (this=0x24cc770, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#39 0x00007f903ade846e in QGuiEventDispatcherGlib::processEvents (this=0xa0a, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#40 0x00007f903a149992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#41 0x00007f903a149d6c in QEventLoop::exec (this=0x7fffbd417490, flags=) at kernel/qeventloop.cpp:201
#42 0x00007f903a14daab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#43 0x000000000043b1c5 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../../apps/dolphin/src/main.cpp:101

Possible duplicates by query: bug 237403, bug 236499, bug 236276, bug 235210, bug 208881.

Reported using DrKonqi