Application: kwin (4.5.1 (KDE 4.5.1))
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.32-25-generic x86_64
Distribution: Ubuntu 10.10

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

Nothing. The machine was idle with firefox, dolphin, kvirc and skype windows. None of those crashed, just kwin.

-- Backtrace:
Application: KWin (kwin), signal: Aborted
[Current thread is 1 (Thread 0x7f447fd0a7a0 (LWP 1782))]

Thread 3 (Thread 0x7f4467f43710 (LWP 1783)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f447f52a1dc in _L_lock_12347 () from /lib/libc.so.6
#2  0x00007f447f528c78 in __libc_free (mem=0x7f447f829e40) at malloc.c:3736
#3  0x00007f4475a328bb in ?? () from /usr/lib/nvidia-current/tls/libnvidia-tls.so.260.19.06
#4  0x00007f447bdc046c 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  0x00007f447bdd4ee7 in QEventDispatcherUNIX::~QEventDispatcherUNIX (this=0x7f447f829e40, __in_chrg=<value optimized out>) at kernel/qeventdispatcher_unix.cpp:627
#8  0x00007f447bcb2ac4 in QThreadPrivate::finish (arg=<value optimized out>) at thread/qthread_unix.cpp:302
#9  0x00007f447bcb3286 in ~__pthread_cleanup_class (arg=0x7f447c0d8f40) at /usr/include/pthread.h:545
#10 QThreadPrivate::start (arg=0x7f447c0d8f40) at thread/qthread_unix.cpp:271
#11 0x00007f447d2d8953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#12 0x00007f447ba28971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#13 0x00007f447f59194d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f445af86710 (LWP 1785)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f447f52a1dc in _L_lock_12347 () from /lib/libc.so.6
#2  0x00007f447f528c78 in __libc_free (mem=0x7f447f829e40) at malloc.c:3736
#3  0x00007f4475a328bb in ?? () from /usr/lib/nvidia-current/tls/libnvidia-tls.so.260.19.06
#4  0x00007f447bdd4dce in QEventDispatcherUNIX::unregisterSocketNotifier (this=<value optimized out>, notifier=<value optimized out>) at kernel/qeventdispatcher_unix.cpp:802
#5  0x00007f447bdd5f77 in QEventDispatcherUNIXPrivate::doSelect (this=0x2ca3230, flags=<value optimized out>, timeout=<value optimized out>) at kernel/qeventdispatcher_unix.cpp:261
#6  0x00007f447bdd681b in QEventDispatcherUNIX::processEvents (this=0x2b45e60, flags=) at kernel/qeventdispatcher_unix.cpp:919
#7  0x00007f447bda5a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#8  0x00007f447bda5dec in QEventLoop::exec (this=0x7f445af85cb0, flags=) at kernel/qeventloop.cpp:201
#9  0x00007f447bcb02fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#10 0x00007f447bd855f8 in QInotifyFileSystemWatcherEngine::run (this=0x2ca1fa0) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007f447bcb327e in QThreadPrivate::start (arg=0x2ca1fa0) at thread/qthread_unix.cpp:266
#12 0x00007f447d2d8953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#13 0x00007f447ba28971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#14 0x00007f447f59194d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f447fd0a7a0 (LWP 1782)):
[KCrash Handler]
#6  0x00007f447f4deba5 in raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f447f4e26b0 in abort () at abort.c:92
#8  0x00007f447f51843b in __libc_message (do_abort=<value optimized out>, fmt=<value optimized out>) at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007f447f5224b6 in malloc_printerr (action=3, str=0x7f447f5f6008 "free(): invalid next size (fast)", ptr=<value optimized out>) at malloc.c:6283
#10 0x00007f447f528c83 in __libc_free (mem=<value optimized out>) at malloc.c:3738
#11 0x00007f4475a328bb in ?? () from /usr/lib/nvidia-current/tls/libnvidia-tls.so.260.19.06
#12 0x00007f447bccfd98 in QHashData::free_helper (this=0x25a04b0, node_delete=0x7f447a58bec0 <QHash<QString, QSvgNode*>::deleteNode2(QHashData::Node*)>) at tools/qhash.cpp:272
#13 0x00007f447a59140b in freeData (this=0x34dcc30, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qhash.h:568
#14 ~QHash (this=0x34dcc30, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qhash.h:284
#15 QSvgTinyDocument::~QSvgTinyDocument (this=0x34dcc30, __in_chrg=<value optimized out>) at qsvgtinydocument.cpp:75
#16 0x00007f447a594d64 in QSvgRendererPrivate::~QSvgRendererPrivate (this=0x25b6590, __in_chrg=<value optimized out>) at qsvgrenderer.cpp:115
#17 0x00007f447bdc046c in cleanup (this=<value optimized out>, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:62
#18 ~QScopedPointer (this=<value optimized out>, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:100
#19 QObject::~QObject (this=<value optimized out>, __in_chrg=<value optimized out>) at kernel/qobject.cpp:963
#20 0x00007f447eb21933 in Plasma::SharedSvgRenderer::~SharedSvgRenderer (this=0x6f6, __in_chrg=<value optimized out>) at ../../plasma/svg.cpp:64
#21 0x00007f447eb1fd6b in attach (this=0x2bdb260, __in_chrg=<value optimized out>) at ../../kdecore/util/ksharedptr.h:214
#22 operator= (this=0x2bdb260, __in_chrg=<value optimized out>) at ../../kdecore/util/ksharedptr.h:97
#23 eraseRenderer (this=0x2bdb260, __in_chrg=<value optimized out>) at ../../plasma/svg.cpp:323
#24 ~SvgPrivate (this=0x2bdb260, __in_chrg=<value optimized out>) at ../../plasma/svg.cpp:84
#25 Plasma::Svg::~Svg (this=0x2bdb260, __in_chrg=<value optimized out>) at ../../plasma/svg.cpp:504
#26 0x00007f447dec9a6b in KWin::EffectFrame::~EffectFrame() () from /usr/lib/libkwineffects.so.1
#27 0x00007f4466adb0e4 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#28 0x00007f447f90372f in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#29 0x00007f447f903bc5 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#30 0x00007f447f8e1b68 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#31 0x00007f447f8e4680 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#32 0x00007f447f8643fd in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#33 0x00007f447bdb8bde in QObject::event (this=0x7f44600f4700, e=0x6f6) at kernel/qobject.cpp:1219
#34 0x00007f447aef0fdc in QApplicationPrivate::notify_helper (this=0x2535d60, receiver=0x7f44600f4700, e=0x976b0c0) at kernel/qapplication.cpp:4396
#35 0x00007f447aef6aed in QApplication::notify (this=0x7fffa7e9e2e0, receiver=0x7f44600f4700, e=0x976b0c0) at kernel/qapplication.cpp:4277
#36 0x00007f447f08d156 in KApplication::notify (this=0x7fffa7e9e2e0, receiver=0x7f44600f4700, event=0x976b0c0) at ../../kdeui/kernel/kapplication.cpp:310
#37 0x00007f447bda6cdc in QCoreApplication::notifyInternal (this=0x7fffa7e9e2e0, receiver=0x7f44600f4700, event=0x976b0c0) at kernel/qcoreapplication.cpp:732
#38 0x00007f447bda9c22 in sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x25125d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#39 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x25125d0) at kernel/qcoreapplication.cpp:1373
#40 0x00007f447afa4a44 in sendPostedEvents (this=<value optimized out>, flags=) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#41 QEventDispatcherX11::processEvents (this=<value optimized out>, flags=) at kernel/qeventdispatcher_x11.cpp:75
#42 0x00007f447bda5a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#43 0x00007f447bda5dec in QEventLoop::exec (this=0x7fffa7e9e220, flags=) at kernel/qeventloop.cpp:201
#44 0x00007f447bda9ebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#45 0x00007f447f880f9d in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#46 0x00007f447f4c9d8e 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=0x7fffa7e9e8e8) at libc-start.c:226
#47 0x0000000000400669 in _start ()

Possible duplicates by query: bug 255771, bug 255512, bug 255312, bug 254668, bug 253882.

Reported using DrKonqi