Bug 274540

Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

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

I was working in LibreOffice 3.3.2 Impress and Plasma crashed out of nowhere.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Aborted
[Current thread is 1 (Thread 0x7f48e19797a0 (LWP 1554))]

Thread 5 (Thread 0x7f48ba652700 (LWP 1555)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f48e121480f in _L_lock_12013 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f48e12128d8 in __libc_free (mem=0x7f48e15251c0) at malloc.c:3736
#3  0x00007f48d5c4c9b4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f48de47d7aa in QEventDispatcherGlib::~QEventDispatcherGlib (this=0x2bd5920, __in_chrg=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:373
#5  0x00007f48de47d8f9 in QEventDispatcherGlib::~QEventDispatcherGlib (this=0x2bd5920, __in_chrg=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:401
#6  0x00007f48de36a4d4 in QThreadPrivate::finish (arg=0x7f48de785f60) at thread/qthread_unix.cpp:356
#7  0x00007f48de36b17d in ~__pthread_cleanup_class (arg=0x7f48de785f60) at /usr/include/pthread.h:545
#8  QThreadPrivate::start (arg=0x7f48de785f60) at thread/qthread_unix.cpp:279
#9  0x00007f48d6554d8c in start_thread (arg=0x7f48ba652700) at pthread_create.c:304
#10 0x00007f48e127c04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f48b9e51700 (LWP 1557)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f48e121480f in _L_lock_12013 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f48e12128d8 in __libc_free (mem=0x7f48e15251c0) at malloc.c:3736
#3  0x00007f48de47ce57 in socketNotifierSourceCheck (source=0x2d26880) at kernel/qeventdispatcher_glib.cpp:92
#4  0x00007f48d5c50854 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f48d5c51122 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f48d5c51639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f48de47d3ef in QEventDispatcherGlib::processEvents (this=0x2d24cb0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#8  0x00007f48de451882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007f48de451abc in QEventLoop::exec (this=0x7f48b9e50db0, flags=...) at kernel/qeventloop.cpp:201
#10 0x00007f48de368924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#11 0x00007f48de433c2f in QInotifyFileSystemWatcherEngine::run (this=0x2d24f50) at io/qfilesystemwatcher_inotify.cpp:248
#12 0x00007f48de36b175 in QThreadPrivate::start (arg=0x2d24f50) at thread/qthread_unix.cpp:320
#13 0x00007f48d6554d8c in start_thread (arg=0x7f48b9e51700) at pthread_create.c:304
#14 0x00007f48e127c04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f48b8c7e700 (LWP 1570)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f48e121480f in _L_lock_12013 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f48e12128d8 in __libc_free (mem=0x7f48e15251c0) at malloc.c:3736
#3  0x00007f48de47ce57 in socketNotifierSourceCheck (source=0x2d9ef80) at kernel/qeventdispatcher_glib.cpp:92
#4  0x00007f48d5c50854 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f48d5c51122 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f48d5c51639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f48de47d3ef in QEventDispatcherGlib::processEvents (this=0x2e022c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#8  0x00007f48de451882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007f48de451abc in QEventLoop::exec (this=0x7f48b8c7ddb0, flags=...) at kernel/qeventloop.cpp:201
#10 0x00007f48de368924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#11 0x00007f48de433c2f in QInotifyFileSystemWatcherEngine::run (this=0x2d9e8b0) at io/qfilesystemwatcher_inotify.cpp:248
#12 0x00007f48de36b175 in QThreadPrivate::start (arg=0x2d9e8b0) at thread/qthread_unix.cpp:320
#13 0x00007f48d6554d8c in start_thread (arg=0x7f48b8c7e700) at pthread_create.c:304
#14 0x00007f48e127c04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f48afb21700 (LWP 1579)):
#0  0x00007f48e126ef03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f48d5c51104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f48d5c519f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f48b0c38c44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f48d5c783e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f48d6554d8c in start_thread (arg=0x7f48afb21700) at pthread_create.c:304
#6  0x00007f48e127c04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f48e19797a0 (LWP 1554)):
[KCrash Handler]
#6  0x00007f48e11c9d05 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f48e11cdab6 in abort () at abort.c:92
#8  0x00007f48e1202d7b in __libc_message (do_abort=2, fmt=0x7f48e12eb400 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007f48e120ea8f in malloc_printerr (av=<value optimized out>, p=0x3976240) at malloc.c:6283
#10 _int_free (av=<value optimized out>, p=0x3976240) at malloc.c:4795
#11 0x00007f48e12128e3 in __libc_free (mem=<value optimized out>) at malloc.c:3738
#12 0x00007f48de3b00fc in QString::free (d=0x3976250) at tools/qstring.cpp:1185
#13 0x00007f48e0e3bd10 in ~QString (this=0x3673be0, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qstring.h:883
#14 Plasma::SvgPrivate::~SvgPrivate (this=0x3673be0, __in_chrg=<value optimized out>) at ../../plasma/svg.cpp:151
#15 0x00007f48e0e3bde0 in Plasma::Svg::~Svg (this=0x3801540, __in_chrg=<value optimized out>) at ../../plasma/svg.cpp:640
#16 0x00007f48e0dd6d29 in Plasma::FrameSvg::~FrameSvg (this=0x3801540, __in_chrg=<value optimized out>) at ../../plasma/framesvg.cpp:60
#17 0x00007f48de464c14 in QObjectPrivate::deleteChildren (this=0x270e030) at kernel/qobject.cpp:1964
#18 0x00007f48de4695f4 in QObject::~QObject (this=0x273d110, __in_chrg=<value optimized out>) at kernel/qobject.cpp:946
#19 0x00007f48dde3c6c0 in ~QGraphicsObject (this=0x273d110, __in_chrg=<value optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#20 QGraphicsWidget::~QGraphicsWidget (this=0x273d110, __in_chrg=<value optimized out>) at graphicsview/qgraphicswidget.cpp:232
#21 0x00007f48e0e5b589 in Plasma::IconWidget::~IconWidget (this=0x273d110, __in_chrg=<value optimized out>) at ../../plasma/widgets/iconwidget.cpp:378
#22 0x00007f48dddeab85 in QGraphicsItem::~QGraphicsItem (this=0x36569b0, __in_chrg=<value optimized out>) at graphicsview/qgraphicsitem.cpp:1481
#23 0x00007f48dde3c6b8 in ~QGraphicsObject (this=0x36569a0, __in_chrg=<value optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#24 QGraphicsWidget::~QGraphicsWidget (this=0x36569a0, __in_chrg=<value optimized out>) at graphicsview/qgraphicswidget.cpp:232
#25 0x00007f48b1d622d9 in NotificationWidget::~NotificationWidget (this=0x36569a0, __in_chrg=<value optimized out>) at ../../../../../plasma/generic/applets/notifications/ui/notificationwidget.cpp:198
#26 0x00007f48de4664c8 in QObject::event (this=0x36569a0, e=<value optimized out>) at kernel/qobject.cpp:1209
#27 0x00007f48dde38acb in QGraphicsWidget::event (this=0x36569a0, event=0x327af30) at graphicsview/qgraphicswidget.cpp:1423
#28 0x00007f48dd8139e4 in QApplicationPrivate::notify_helper (this=0x242e120, receiver=0x36569a0, e=0x327af30) at kernel/qapplication.cpp:4462
#29 0x00007f48dd8183aa in QApplication::notify (this=<value optimized out>, receiver=0x36569a0, e=0x327af30) at kernel/qapplication.cpp:4341
#30 0x00007f48df10a866 in KApplication::notify (this=0x2400f90, receiver=0x36569a0, event=0x327af30) at ../../kdeui/kernel/kapplication.cpp:311
#31 0x00007f48de45249c in QCoreApplication::notifyInternal (this=0x2400f90, receiver=0x36569a0, event=0x327af30) at kernel/qcoreapplication.cpp:731
#32 0x00007f48de455c25 in sendEvent (receiver=0x0, event_type=0, data=0x23b0b60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#33 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x23b0b60) at kernel/qcoreapplication.cpp:1372
#34 0x00007f48de47d253 in sendPostedEvents (s=0x24315c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#35 postEventSourceDispatch (s=0x24315c0) at kernel/qeventdispatcher_glib.cpp:277
#36 0x00007f48d5c50bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f48d5c513a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f48d5c51639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f48de47d3ef in QEventDispatcherGlib::processEvents (this=0x23b0340, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#40 0x00007f48dd8badfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#41 0x00007f48de451882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#42 0x00007f48de451abc in QEventLoop::exec (this=0x7fff12afa260, flags=...) at kernel/qeventloop.cpp:201
#43 0x00007f48de455ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#44 0x00007f48e1568897 in kdemain (argc=1, argv=0x7fff12afa628) at ../../../../plasma/desktop/shell/main.cpp:118
#45 0x00007f48e11b4eff in __libc_start_main (main=0x400740 <main(int, char**)>, argc=1, ubp_av=0x7fff12afa628, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff12afa618) at libc-start.c:226
#46 0x0000000000400669 in _start ()

Possible duplicates by query: bug 273954, bug 273764, bug 273263, bug 272921, bug 271754.

Reported using DrKonqi