Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.1 (KDE 4.4.1) (Compiled from sources)
Qt Version: 4.6.2
Operating System: Linux 2.6.33-gentoo x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
I switched Workspace themes from Elegance to Air, and the taskbar crashed.  This bug was in 4.4.0 also.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Bus error
The current source language is "auto; currently asm".
[KCrash Handler]
#5  0x00007fe1579954e0 in KPixmapCache::Private::mmapFile (this=0x13ea550, filename=..., info=0x13ea5a0, newsize=33656832)
    at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:491
#6  0x00007fe157996d84 in KPixmapCache::Private::mmapFiles (this=0x13ea550) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:419
#7  0x00007fe15799601e in KPixmapCache::recreateCacheFiles (this=0x13bed50) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:1247
#8  0x00007fe157996540 in KPixmapCache::Private::checkFileVersion (this=0x13ea550, filename=...) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:741
#9  0x00007fe157996b30 in KPixmapCache::Private::init (this=0x13ea550) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:1052
#10 0x00007fe15799865c in KPixmapCache::discard (this=0x13bed50) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:1279
#11 0x00007fe157998d48 in KPixmapCache::deleteCache (name=...) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:1255
#12 0x00007fe1504bafbd in Plasma::ThemePrivate::discardCache (this=0x13d2660) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/plasma/theme.cpp:221
#13 0x00007fe1504be64b in Plasma::ThemePrivate::setThemeName (this=0x13d2660, tempThemeName=<value optimized out>, writeSettings=<value optimized out>)
    at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/plasma/theme.cpp:377
#14 0x00007fe1504bfeab in Plasma::Theme::settingsChanged (this=0x13d2310) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/plasma/theme.cpp:338
#15 0x00007fe1504c0c20 in Plasma::ThemePrivate::settingsFileChanged (this=0x13d2660, file=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/plasma/theme.cpp:332
#16 0x00007fe1504c0fb6 in Plasma::Theme::qt_metacall (this=0x13d2310, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc09cc1c0)
    at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1_build/plasma/theme.moc:110
#17 0x00007fe15717430f in QMetaObject::activate (sender=0x13bdae0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fe156de7170) at kernel/qobject.cpp:3285
#18 0x00007fe1583d0e95 in KDirWatch::created (this=0x19b3560, _t1=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1_build/kio/kdirwatch.moc:106
#19 0x00007fe1583d1670 in KDirWatch::setCreated (this=0x13bdae0, _file=...) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kio/kio/kdirwatch.cpp:1786
#20 0x00007fe1583d17c1 in KDirWatch::qt_metacall (this=0x13bdae0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x190eec0)
    at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1_build/kio/kdirwatch.moc:85
#21 0x00007fe157171269 in QObject::event (this=0x13bdae0, e=0x1874e10) at kernel/qobject.cpp:1240
#22 0x00007fe1560d166c in QApplicationPrivate::notify_helper (this=0x12a6660, receiver=0x13bdae0, e=0x1874e10) at kernel/qapplication.cpp:4300
#23 0x00007fe1560d7cbb in QApplication::notify (this=0x128f880, receiver=0x13bdae0, e=0x1874e10) at kernel/qapplication.cpp:4183
#24 0x00007fe157916b36 in KApplication::notify (this=0x128f880, receiver=0x13bdae0, event=0x1874e10) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/kernel/kapplication.cpp:302
#25 0x00007fe15716161b in QCoreApplication::notifyInternal (this=0x128f880, receiver=0x13bdae0, event=0x1874e10) at kernel/qcoreapplication.cpp:704
#26 0x00007fe157163d66 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x12235f0) at kernel/qcoreapplication.h:215
#27 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x12235f0) at kernel/qcoreapplication.cpp:1345
#28 0x00007fe15718ae93 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at kernel/qcoreapplication.h:220
#29 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#30 0x00007fe1525114cd in g_main_dispatch (context=0x12a8d20) at gmain.c:1960
#31 IA__g_main_context_dispatch (context=0x12a8d20) at gmain.c:2513
#32 0x00007fe152514e88 in g_main_context_iterate (context=0x12a8d20, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#33 0x00007fe152514fb0 in IA__g_main_context_iteration (context=0x12a8d20, may_block=1) at gmain.c:2654
#34 0x00007fe15718a9d3 in QEventDispatcherGlib::processEvents (this=0x12a64b0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#35 0x00007fe15617f8ae in QGuiEventDispatcherGlib::processEvents (this=0x19b3560, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#36 0x00007fe15715ff72 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#37 0x00007fe157160344 in QEventLoop::exec (this=0x7fffc09ccc10, flags=) at kernel/qeventloop.cpp:201
#38 0x00007fe15716402b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#39 0x00007fe14be39e42 in kdemain (argc=<value optimized out>, argv=<value optimized out>)
    at /var/tmp/portage/kde-base/plasma-workspace-4.4.1/work/plasma-workspace-4.4.1/plasma/desktop/shell/main.cpp:112
#40 0x0000000000407396 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a7dd "0") at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kinit/kinit.cpp:710
#41 0x0000000000407ff0 in handle_launcher_request (sock=8, who=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kinit/kinit.cpp:1202
#42 0x0000000000408530 in handle_requests (waitForPid=6342272) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kinit/kinit.cpp:1395
#43 0x0000000000409141 in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kinit/kinit.cpp:1834

Possible duplicates by query: bug 223784.

Reported using DrKonqi