Application: kwin (4.6.00 (4.6.0))
KDE Platform Version: 4.6.00 (4.6.0)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-25-generic x86_64
Distribution: Ubuntu 10.10

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

I had just opend a printer dialog box in okular and switched between registercards of that menu. KWin crashed unexpected.

-- Backtrace:
Application: KWin (kwin), signal: Aborted
[Current thread is 1 (Thread 0x7fe1109a67a0 (LWP 2088))]

Thread 4 (Thread 0x7fe0f6efa700 (LWP 2092)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007fe11019b1dc in _L_lock_12347 () from /lib/libc.so.6
#2  0x00007fe110199c78 in __libc_free (mem=0x7fe11049ae40) at malloc.c:3736
#3  0x00007fe10618d8bb in ?? () from /usr/lib/nvidia-current/tls/libnvidia-tls.so.260.19.06
#4  0x00007fe10c4d446c in cleanup (this=<value optimized out>, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:62
#5  ~QScopedPointer (this=<value optimized out>, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:100
#6  QObject::~QObject (this=<value optimized out>, __in_chrg=<value optimized out>) at kernel/qobject.cpp:963
#7  0x00007fe10c4e8ee7 in QEventDispatcherUNIX::~QEventDispatcherUNIX (this=0x7fe11049ae40, __in_chrg=<value optimized out>) at kernel/qeventdispatcher_unix.cpp:627
#8  0x00007fe10c3c6ac4 in QThreadPrivate::finish (arg=<value optimized out>) at thread/qthread_unix.cpp:302
#9  0x00007fe10c3c7286 in ~__pthread_cleanup_class (arg=0x7fe10c7ecf40) at /usr/include/pthread.h:545
#10 QThreadPrivate::start (arg=0x7fe10c7ecf40) at thread/qthread_unix.cpp:271
#11 0x00007fe10da18953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#12 0x00007fe106bbf971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#13 0x00007fe11020292d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fe0f3423700 (LWP 2099)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007fe11019b1dc in _L_lock_12347 () from /lib/libc.so.6
#2  0x00007fe110199c78 in __libc_free (mem=0x7fe11049ae40) at malloc.c:3736
#3  0x00007fe10618d8bb in ?? () from /usr/lib/nvidia-current/tls/libnvidia-tls.so.260.19.06
#4  0x00007fe10c4e8dce in QEventDispatcherUNIX::unregisterSocketNotifier (this=<value optimized out>, notifier=<value optimized out>) at kernel/qeventdispatcher_unix.cpp:802
#5  0x00007fe10c4e9f77 in QEventDispatcherUNIXPrivate::doSelect (this=0x2764b90, flags=<value optimized out>, timeout=<value optimized out>) at kernel/qeventdispatcher_unix.cpp:261
#6  0x00007fe10c4ea81b in QEventDispatcherUNIX::processEvents (this=0x26bc160, flags=) at kernel/qeventdispatcher_unix.cpp:919
#7  0x00007fe10c4b9a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#8  0x00007fe10c4b9dec in QEventLoop::exec (this=0x7fe0f3422cb0, flags=) at kernel/qeventloop.cpp:201
#9  0x00007fe10c3c42fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#10 0x00007fe10c4995f8 in QInotifyFileSystemWatcherEngine::run (this=0x27639f0) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007fe10c3c727e in QThreadPrivate::start (arg=0x27639f0) at thread/qthread_unix.cpp:266
#12 0x00007fe10da18953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#13 0x00007fe106bbf971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#14 0x00007fe11020292d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe0f2c22700 (LWP 2100)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe10f01e334 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fe10f329160) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007fe10f01e369 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7fe10f337234) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007fe10da18953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007fe106bbf971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#5  0x00007fe11020292d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe1109a67a0 (LWP 2088)):
[KCrash Handler]
#6  0x00007fe11014fba5 in raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007fe1101536b0 in abort () at abort.c:92
#8  0x00007fe11018943b in __libc_message (do_abort=<value optimized out>, fmt=<value optimized out>) at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007fe1101934b6 in malloc_printerr (action=3, str=0x7fe110267098 "double free or corruption (!prev)", ptr=<value optimized out>) at malloc.c:6283
#10 0x00007fe110199c83 in __libc_free (mem=<value optimized out>) at malloc.c:3738
#11 0x00007fe10618d8bb in ?? () from /usr/lib/nvidia-current/tls/libnvidia-tls.so.260.19.06
#12 0x00007fe10b9d970d in QTessellatorPrivate::Scanline::~Scanline (this=0x7a8c190, __in_chrg=<value optimized out>) at painting/qtessellator.cpp:435
#13 0x00007fe10b9dba75 in ~QTessellatorPrivate (this=<value optimized out>, __in_chrg=<value optimized out>) at painting/qtessellator.cpp:74
#14 QTessellator::~QTessellator (this=<value optimized out>, __in_chrg=<value optimized out>) at painting/qtessellator.cpp:1206
#15 0x00007fe10ba436ff in QXRenderTessellator::~QXRenderTessellator (this=0x7a8c140, __in_chrg=<value optimized out>) at painting/qpaintengine_x11.cpp:256
#16 0x00007fe10ba38a68 in QX11PaintEngine::~QX11PaintEngine (this=0x7a8bea0, __in_chrg=<value optimized out>) at painting/qpaintengine_x11.cpp:472
#17 0x00007fe10b91cf68 in QX11PixmapData::release (this=0x7a8be10) at image/qpixmap_x11.cpp:1249
#18 0x00007fe10b91d94a in QX11PixmapData::~QX11PixmapData (this=0x7a8be10, __in_chrg=<value optimized out>) at image/qpixmap_x11.cpp:1244
#19 0x00007fe10b90a2c9 in ~QExplicitlySharedDataPointer (this=0x5edfad0, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qshareddata.h:159
#20 QPixmap::~QPixmap (this=0x5edfad0, __in_chrg=<value optimized out>) at image/qpixmap.cpp:324
#21 0x00007fe10fd5a346 in unlink (this=0x2c41d38, m=9402704) at /usr/include/qt4/QtCore/qcache.h:75
#22 QCache<QString, QPixmap>::trim (this=0x2c41d38, m=9402704) at /usr/include/qt4/QtCore/qcache.h:209
#23 0x00007fe10fd5a473 in QCache<QString, QPixmap>::insert (this=0x2c41d38, akey=..., aobject=0x5e44030, acost=1083056) at /usr/include/qt4/QtCore/qcache.h:188
#24 0x00007fe10fd59db5 in insertPixmap (this=0x26f0070, key=..., pixmap=...) at ../../kdeui/util/kimagecache.cpp:58
#25 KImageCache::insertPixmap (this=0x26f0070, key=..., pixmap=...) at ../../kdeui/util/kimagecache.cpp:113
#26 0x00007fe10f7362e2 in Plasma::ThemePrivate::scheduledCacheUpdate (this=0x1f6da00) at ../../plasma/theme.cpp:302
#27 0x00007fe10f73675c in Plasma::Theme::qt_metacall (this=0x2079f70, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffbf0e1b30) at ./theme.moc:119
#28 0x00007fe10c4d2b27 in QMetaObject::activate (sender=0x1f72360, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3280
#29 0x00007fe10c4cc8f9 in QObject::event (this=0x1f72360, e=0x828) at kernel/qobject.cpp:1183
#30 0x00007fe10b821fdc in QApplicationPrivate::notify_helper (this=0x1e90870, receiver=0x1f72360, e=0x7fffbf0e2280) at kernel/qapplication.cpp:4396
#31 0x00007fe10b827aed in QApplication::notify (this=0x7fffbf0e26b0, receiver=0x1f72360, e=0x7fffbf0e2280) at kernel/qapplication.cpp:4277
#32 0x00007fe10fce7a36 in KApplication::notify (this=0x7fffbf0e26b0, receiver=0x1f72360, event=0x7fffbf0e2280) at ../../kdeui/kernel/kapplication.cpp:311
#33 0x00007fe10c4bacdc in QCoreApplication::notifyInternal (this=0x7fffbf0e26b0, receiver=0x1f72360, event=0x7fffbf0e2280) at kernel/qcoreapplication.cpp:732
#34 0x00007fe10c4ea6f2 in sendEvent (this=0x1e91280) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#35 QTimerInfoList::activateTimers (this=0x1e91280) at kernel/qeventdispatcher_unix.cpp:602
#36 0x00007fe10c4ea82c in QEventDispatcherUNIX::processEvents (this=0x1e69d10, flags=) at kernel/qeventdispatcher_unix.cpp:923
#37 0x00007fe10b8d5c2f in QEventDispatcherX11::processEvents (this=<value optimized out>, flags=) at kernel/qeventdispatcher_x11.cpp:152
#38 0x00007fe10c4b9a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#39 0x00007fe10c4b9dec in QEventLoop::exec (this=0x7fffbf0e25b0, flags=) at kernel/qeventloop.cpp:201
#40 0x00007fe10c4bdebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#41 0x00007fe1104fc643 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#42 0x00007fe11013ad8e in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fffbf0e2d38) at libc-start.c:226
#43 0x0000000000400669 in _start ()

This bug may be a duplicate of or related to bug 257697.

Possible duplicates by query: bug 264682, bug 264349, bug 262428, bug 261864, bug 259362.

Reported using DrKonqi