[Bug 998630] [NEW] plasma netbook shell crashes on kubuntu 12.04 and 12.10

Launchpad Bug Tracker 998630 at bugs.launchpad.net
Sun May 13 15:45:03 UTC 2012 

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Hey everyone I am encountering this annoying seg fault crash on 12.04
and 12.10 with kde 4.8.2 and 4.8.3.

The issue occurs  when i have my usb external hard disk connected and im
using multiple tabs in dolphin to sort my files on this particular
drive. first time i get the bug reporter and am able to get a back
trace, and the desktop restarts. When it happens the second time i dont
even get the bug report just have any applications that are open on my
system left and am unable to open any other applications.

the netbook im running it on is an asus eee pc 1001px running a 60gb OCZ
Agility 3 SSD.

the back trace is below

Application: Plasma Netbook Shell (plasma-netbook), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb7778740 (LWP 1649))]

Thread 7 (Thread 0xb0683b40 (LWP 1681)):
#0  0x00cc8dcd in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x015bd315 in do_gettime (frac=0xb0682fb0, sec=0xb0682fa8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x016a7226 in QTimerInfoList::updateCurrentTime (this=0xaf302074) at kernel/qeventdispatcher_unix.cpp:343
#4  0x016a757a in QTimerInfoList::timerWait (this=0xaf302074, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0x016a5e23 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xb06830bc) at kernel/qeventdispatcher_glib.cpp:136
#6  0x016a5ebd in timerSourcePrepare (source=0xaf302040, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x01eb64b2 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x01eb6bef in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x01eb6e51 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x016a68e7 in QEventDispatcherGlib::processEvents (this=0xaf300468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0x0167250d in QEventLoop::processEvents (this=0xb0683240, flags=...) at kernel/qeventloop.cpp:149
#12 0x016727a9 in QEventLoop::exec (this=0xb0683240, flags=...) at kernel/qeventloop.cpp:204
#13 0x0155b94c in QThread::exec (this=0x9bdb0c0) at thread/qthread.cpp:501
#14 0x0164fb5d in QInotifyFileSystemWatcherEngine::run (this=0x9bdb0c0) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x0155ede0 in QThreadPrivate::start (arg=0x9bdb0c0) at thread/qthread_unix.cpp:298
#16 0x00af0d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x001faace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 6 (Thread 0xafe82b40 (LWP 1682)):
#0  0x00aef483 in __i686.get_pc_thunk.bx () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x00af2cbf in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x002085f4 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#3  0x01ef6820 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x01eb5e21 in g_main_context_acquire () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x01eb6b98 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x01eb6e51 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x016a68e7 in QEventDispatcherGlib::processEvents (this=0xaf500468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#8  0x0167250d in QEventLoop::processEvents (this=0xafe82240, flags=...) at kernel/qeventloop.cpp:149
#9  0x016727a9 in QEventLoop::exec (this=0xafe82240, flags=...) at kernel/qeventloop.cpp:204
#10 0x0155b94c in QThread::exec (this=0x9c0af50) at thread/qthread.cpp:501
#11 0x0164fb5d in QInotifyFileSystemWatcherEngine::run (this=0x9c0af50) at io/qfilesystemwatcher_inotify.cpp:248
#12 0x0155ede0 in QThreadPrivate::start (arg=0x9c0af50) at thread/qthread_unix.cpp:298
#13 0x00af0d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x001faace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xaeafeb40 (LWP 1691)):
#0  0x00ae9416 in __kernel_vsyscall ()
#1  0x00af496b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x002083dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x04c8e263 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0x04c8e37f in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0x00af0d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x001faace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xae1fdb40 (LWP 1692)):
#0  0x002085c8 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#1  0x01ef6820 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x01eb6ca0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x01eb6e51 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x016a68e7 in QEventDispatcherGlib::processEvents (this=0x9d70958, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x0167250d in QEventLoop::processEvents (this=0xae1fd270, flags=...) at kernel/qeventloop.cpp:149
#6  0x016727a9 in QEventLoop::exec (this=0xae1fd270, flags=...) at kernel/qeventloop.cpp:204
#7  0x0155b94c in QThread::exec (this=0x9d70258) at thread/qthread.cpp:501
#8  0x0155ba3b in QThread::run (this=0x9d70258) at thread/qthread.cpp:568
#9  0x0155ede0 in QThreadPrivate::start (arg=0x9d70258) at thread/qthread_unix.cpp:298
#10 0x00af0d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0x001faace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xacec9b40 (LWP 1707)):
#0  0x00ae9416 in __kernel_vsyscall ()
#1  0x00af496b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x002083dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x00fa4029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0x00fa406f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0x00af0d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x001faace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xabab7b40 (LWP 1716)):
#0  0x00ae9416 in __kernel_vsyscall ()
#1  0x001ec380 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x01ec541b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x01eb6cf0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x01eb71cb in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x0686041a in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x01edafc3 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x00af0d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x001faace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb7778740 (LWP 1649)):
[KCrash Handler]
#7  0x01697de4 in QVariant::userType (this=0x25) at kernel/qvariant.cpp:1784
#8  0x05cb9eb0 in qvariant_cast<QDBusArgument> (v=...) at /usr/include/qt4/QtCore/qvariant.h:574
#9  value<QDBusArgument> (this=0x25) at /usr/include/qt4/QtCore/qvariant.h:333
#10 Registrar::slotLayoutUpdated (this=0x9caaba0, parentId=0) at /build/buildd/plasma-widget-menubar-0.1.17/src/registrar.cpp:173
#11 0x05cafb32 in qt_static_metacall (_a=0xbfb750ac, _id=7, _o=0x9caaba0, _c=<optimized out>) at /build/buildd/plasma-widget-menubar-0.1.17/obj-i686-linux-gnu/src/moc_registrar.cpp:76
#12 Registrar::qt_static_metacall (_o=0x9caaba0, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbfb750ac) at /build/buildd/plasma-widget-menubar-0.1.17/obj-i686-linux-gnu/src/moc_registrar.cpp:61
#13 0x05cafbec in Registrar::qt_metacall (this=0x9caaba0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfb750ac) at /build/buildd/plasma-widget-menubar-0.1.17/obj-i686-linux-gnu/src/moc_registrar.cpp:117
#14 0x002eda38 in QDBusConnectionPrivate::deliverCall (this=0x97bd868, object=0x9caaba0, msg=..., metaTypes=..., slotIdx=37) at qdbusintegrator.cpp:947
#15 0x002f7c8d in QDBusCallDeliveryEvent::placeMetaCall (this=0xa72e190, object=0x9caaba0) at qdbusintegrator_p.h:103
#16 0x0168ec7b in QObject::event (this=0x9caaba0, e=0xa72e190) at kernel/qobject.cpp:1195
#17 0x02243ed4 in notify_helper (e=0xa72e190, receiver=0x9caaba0, this=0x97c6a18) at kernel/qapplication.cpp:4559
#18 QApplicationPrivate::notify_helper (this=0x97c6a18, receiver=0x9caaba0, e=0xa72e190) at kernel/qapplication.cpp:4531
#19 0x0224930d in QApplication::notify (this=0xa72e190, receiver=0x9caaba0, e=0xa72e190) at kernel/qapplication.cpp:4288
#20 0x012a0b61 in KApplication::notify (this=0x97bd3e0, receiver=0x9caaba0, event=0xa72e190) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x0167397e in QCoreApplication::notifyInternal (this=0x97bd3e0, receiver=0x9caaba0, event=0xa72e190) at kernel/qcoreapplication.cpp:876
#22 0x01677ad8 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#23 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9798130) at kernel/qcoreapplication.cpp:1500
#24 0x01677e0c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
#25 0x016a6494 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#26 postEventSourceDispatch (s=0x97c8d10) at kernel/qeventdispatcher_glib.cpp:279
#27 0x01eb69d3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#28 0x01eb6d70 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0x01eb6e51 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#30 0x016a6887 in QEventDispatcherGlib::processEvents (this=0x9798ea0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#31 0x022fcaaa in QGuiEventDispatcherGlib::processEvents (this=0x9798ea0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#32 0x0167250d in QEventLoop::processEvents (this=0xbfb75854, flags=...) at kernel/qeventloop.cpp:149
#33 0x016727a9 in QEventLoop::exec (this=0xbfb75854, flags=...) at kernel/qeventloop.cpp:204
#34 0x01677eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#35 0x02241a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#36 0x003f4189 in kdemain (argc=1, argv=0xbfb75aa4) at ../../../../plasma/netbook/shell/main.cpp:79
#37 0x0804850b in main (argc=1, argv=0xbfb75aa4) at plasma-netbook_dummy.cpp:3

Any help in regards to fixing this issue would be greatly appreciated.

** Affects: plasma-widget-menubar (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment
-- 
plasma netbook shell crashes on kubuntu 12.04 and 12.10
https://bugs.launchpad.net/bugs/998630
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