Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-16-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
system had slowed down after several hours of creating ISO images from video DVDs.  Upon reboot, plasma was frozen with a "unable to mount" dialog box.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7f2e9489b750 (LWP 1499))]

Thread 2 (Thread 0x7f2e74fdb910 (LWP 1500)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f2e942dc4fb in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x273ac78, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x273ac78, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f2e9070f78c in QHostInfoAgent::run (this=0x273ac60) at kernel/qhostinfo.cpp:260
#4  0x00007f2e942db445 in QThreadPrivate::start (arg=0x273ac60) at thread/qthread_unix.cpp:188
#5  0x00007f2e9104da04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f2e91c2d7bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f2e9489b750 (LWP 1499)):
[KCrash Handler]
#5  0x0000000000000020 in ?? ()
#6  0x00007f2e8f6eb9e7 in Solid::Backends::Hal::StorageAccess::slotProcessFinished (this=0x2756890, exitCode=0, exitStatus=4294967041) at ../../../solid/solid/backends/hal/halstorageaccess.cpp:224
#7  0x00007f2e8f6ed378 in Solid::Backends::Hal::StorageAccess::qt_metacall (this=0x2756890, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff6607b500)
    at ./backends/hal/halstorageaccess.moc:95
#8  0x00007f2e943d6ddc in QMetaObject::activate (sender=0x2759080, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0xfffffffffff8b894) at kernel/qobject.cpp:3113
#9  0x00007f2e9436363f in QProcess::finished (this=0x2de4130, _t1=1, _t2=QProcess::NormalExit) at .moc/release-shared/moc_qprocess.cpp:136
#10 0x00007f2e94368ba7 in QProcessPrivate::_q_processDied (this=0x2754400) at io/qprocess.cpp:718
#11 0x00007f2e94368c69 in QProcess::qt_metacall (this=0x2759080, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff6607b680) at .moc/release-shared/moc_qprocess.cpp:109
#12 0x00007f2e943d6ddc in QMetaObject::activate (sender=0x27159a0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0xfffffffffff8b894) at kernel/qobject.cpp:3113
#13 0x00007f2e9440ce9e in QSocketNotifier::activated (this=0x2de4130, _t1=18) at .moc/release-shared/moc_qsocketnotifier.cpp:83
#14 0x00007f2e943db773 in QSocketNotifier::event (this=0x27159a0, e=0x7fff6607bbc0) at kernel/qsocketnotifier.cpp:316
#15 0x00007f2e9236defc in QApplicationPrivate::notify_helper (this=0x2211700, receiver=0x27159a0, e=0x7fff6607bbc0) at kernel/qapplication.cpp:4056
#16 0x00007f2e923751ce in QApplication::notify (this=0x2208430, receiver=0x27159a0, e=0x7fff6607bbc0) at kernel/qapplication.cpp:4021
#17 0x00007f2e92fa4e56 in KApplication::notify (this=0x2208430, receiver=0x27159a0, event=0x7fff6607bbc0) at ../../kdeui/kernel/kapplication.cpp:302
#18 0x00007f2e943c1c2c in QCoreApplication::notifyInternal (this=0x2208430, receiver=0x27159a0, event=0x7fff6607bbc0) at kernel/qcoreapplication.cpp:610
#19 0x00007f2e943ea42a in QCoreApplication::sendEvent (source=0x2214a90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#20 socketNotifierSourceDispatch (source=0x2214a90) at kernel/qeventdispatcher_glib.cpp:110
#21 0x00007f2e9129ebce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#22 0x00007f2e912a2598 in ?? () from /lib/libglib-2.0.so.0
#23 0x00007f2e912a26c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#24 0x00007f2e943ea1a6 in QEventDispatcherGlib::processEvents (this=0x217b040, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#25 0x00007f2e924024be in QGuiEventDispatcherGlib::processEvents (this=0x2de4130, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#26 0x00007f2e943c0532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#27 0x00007f2e943c0904 in QEventLoop::exec (this=0x7fff6607be20, flags=) at kernel/qeventloop.cpp:201
#28 0x00007f2e943c2ab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#29 0x00007f2e8873f4cf in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#30 0x0000000000406da8 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=0x40a299 "0") at ../../kinit/kinit.cpp:677
#31 0x0000000000407aa0 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#32 0x0000000000407f51 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1362
#33 0x0000000000408bb2 in main (argc=2, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1793
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

Reported using DrKonqi