Application: kwin (4.6.1 (4.6.1))
KDE Platform Version: 4.6.1 (4.6.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-28-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
I select a .m3u in Krusader, right click in mouse and select to open with Amarok, after that Kwin crashes and starts. Krusader and Amarok don't crash.

The crash can be reproduced some of the time.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f460870c7a0 (LWP 11908))]

Thread 3 (Thread 0x7f45e6eba700 (LWP 11919)):
#0  0x00007f4607f5e2c3 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f460424576e in qt_safe_select (nfds=37, fdread=0x25a5d70, fdwrite=0x25a6008, fdexcept=0x25a62a0, orig_timeout=0x0) at kernel/qcore_unix.cpp:82
#2  0x00007f460424abeb in QEventDispatcherUNIXPrivate::doSelect (this=0x25a5bb0, flags=<value optimized out>, timeout=<value optimized out>) at kernel/qeventdispatcher_unix.cpp:219
#3  0x00007f460424b81b in QEventDispatcherUNIX::processEvents (this=0x25a5590, flags=) at kernel/qeventdispatcher_unix.cpp:919
#4  0x00007f460421aa02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f460421adec in QEventLoop::exec (this=0x7f45e6eb9cb0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f46041252fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007f46041fa5f8 in QInotifyFileSystemWatcherEngine::run (this=0x25a49e0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f460412827e in QThreadPrivate::start (arg=0x25a49e0) at thread/qthread_unix.cpp:266
#9  0x00007f460577a953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f45fe91b971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#11 0x00007f4607f6592d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f45e66b9700 (LWP 11920)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f4606d80334 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f460708b160) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f4606d80369 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f4607099234) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f460577a953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007f45fe91b971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#5  0x00007f4607f6592d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f460870c7a0 (LWP 11908)):
[KCrash Handler]
#6  0x0000000000000040 in ?? ()
#7  0x00007f46073eef68 in Plasma::Corona::popupPosition (this=0x5050510, item=0x2cb7160, s=..., alignment=43) at ../../plasma/corona.cpp:858
#8  0x00007f460749d177 in Plasma::ToolTipManagerPrivate::showToolTip (this=0x26b1e40) at ../../plasma/tooltipmanager.cpp:399
#9  0x00007f460749d2b5 in Plasma::ToolTipManager::qt_metacall (this=0x266bc10, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7ffff7fd6a00) at ./tooltipmanager.moc:88
#10 0x00007f4604233b27 in QMetaObject::activate (sender=0x26da8a0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x408c700000000000) at kernel/qobject.cpp:3280
#11 0x00007f460422d8f9 in QObject::event (this=0x26da8a0, e=0x0) at kernel/qobject.cpp:1183
#12 0x00007f4603582fdc in QApplicationPrivate::notify_helper (this=0x1dbf6d0, receiver=0x26da8a0, e=0x7ffff7fd7150) at kernel/qapplication.cpp:4396
#13 0x00007f4603588aed in QApplication::notify (this=0x7ffff7fd7580, receiver=0x26da8a0, e=0x7ffff7fd7150) at kernel/qapplication.cpp:4277
#14 0x00007f4607a4a2c6 in KApplication::notify (this=0x7ffff7fd7580, receiver=0x26da8a0, event=0x7ffff7fd7150) at ../../kdeui/kernel/kapplication.cpp:311
#15 0x00007f460421bcdc in QCoreApplication::notifyInternal (this=0x7ffff7fd7580, receiver=0x26da8a0, event=0x7ffff7fd7150) at kernel/qcoreapplication.cpp:732
#16 0x00007f460424b6f2 in sendEvent (this=0x1dc00e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QTimerInfoList::activateTimers (this=0x1dc00e0) at kernel/qeventdispatcher_unix.cpp:602
#18 0x00007f460424b82c in QEventDispatcherUNIX::processEvents (this=0x1d98d10, flags=) at kernel/qeventdispatcher_unix.cpp:923
#19 0x00007f4603636c2f in QEventDispatcherX11::processEvents (this=<value optimized out>, flags=) at kernel/qeventdispatcher_x11.cpp:152
#20 0x00007f460421aa02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#21 0x00007f460421adec in QEventLoop::exec (this=0x7ffff7fd7480, flags=) at kernel/qeventloop.cpp:201
#22 0x00007f460421eebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#23 0x00007f460825f643 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../kwin/main.cpp:542
#24 0x00007f4607e9dd8e 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=0x7ffff7fd7c08) at libc-start.c:226
#25 0x0000000000400669 in _start ()

Possible duplicates by query: bug 264649.

Reported using DrKonqi