Bug 336003

Summary:	signal: Bus error
Product:	[I don't know] kde	Reporter:	Doc Sniper <kde.9.sniperle>
Component:	general	Assignee:	Unassigned bugs <unassigned-bugs-null>
Status:	RESOLVED UPSTREAM
Severity:	grave	CC:	cfeck
Priority:	NOR
Version First Reported In:	4.13.1
Target Milestone:	---
Platform:	Arch Linux
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Doc Sniper 2014-06-09 13:45:01 UTC

This error occurs suddenly with different programs, so I guess it's a "general" KDE error.  

The error message is like this:
Application: Program (Program), signal: Bus error

Please take a look at the log for details.

Reproducible: Sometimes




LOG 1:

Application: kwin (4.11.9)
KDE Platform Version: 4.13.1
Qt Version: 4.8.6
Operating System: Linux 3.14.6-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
<In detail, tell us what you were doing  when the application crashed.>

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin), signal: Bus error
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f353e7ad800 (LWP 27807))]

Thread 2 (Thread 0x7f351965c700 (LWP 27994)):
#0  0x00007f3537f1bb2f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007f353d1cafab in ?? () from /usr/lib/libQtScript.so.4
#2  0x00007f353d1cafe9 in ?? () from /usr/lib/libQtScript.so.4
#3  0x00007f3537f17124 in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007f353dfcb4bd in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f353e7ad800 (LWP 27807)):
[KCrash Handler]
#5  0x00007f352d9f10b2 in ?? () from /usr/lib/libfontconfig.so.1
#6  0x00007f352d9f128b in ?? () from /usr/lib/libfontconfig.so.1
#7  0x00007f352d9f1c6d in FcFontMatch () from /usr/lib/libfontconfig.so.1
#8  0x00007f3537661b8f in QFontDatabase::load(QFontPrivate const*, int) () from /usr/lib/libQtGui.so.4
#9  0x00007f353763edb9 in QFontPrivate::engineForScript(int) const () from /usr/lib/libQtGui.so.4
#10 0x00007f3537652080 in QFontMetrics::height() const () from /usr/lib/libQtGui.so.4
#11 0x00007f35186a202f in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#12 0x00007f35382bf30a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#13 0x00007f353daaa261 in KWin::EffectsHandler::tabBoxAdded(int) () from /usr/lib/libkwineffects.so.1
#14 0x00007f353daaaa93 in ?? () from /usr/lib/libkwineffects.so.1
#15 0x00007f35382bf30a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#16 0x00007f353e3a7045 in ?? () from /usr/lib/libkdeinit4_kwin.so
#17 0x00007f353e3ac165 in ?? () from /usr/lib/libkdeinit4_kwin.so
#18 0x00007f35382bf30a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#19 0x00007f35382c34c1 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#20 0x00007f353742df0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x00007f353743448d in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x00007f353cbfa63a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#23 0x00007f35382ab58d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#24 0x00007f35382dad63 in ?? () from /usr/lib/libQtCore.so.4
#25 0x00007f35382db730 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#26 0x00007f35374cb8d6 in ?? () from /usr/lib/libQtGui.so.4
#27 0x00007f35382aa15f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0x00007f35382aa455 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#29 0x00007f35382af719 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#30 0x00007f353e30b946 in kdemain () from /usr/lib/libkdeinit4_kwin.so
#31 0x00007f353df02000 in __libc_start_main () from /usr/lib/libc.so.6
#32 0x00000000004006fe in _start ()

Report to https://bugs.kde.org/



LOG 2:

Application: Plasma Desktop Shell (plasma-desktop), signal: Bus error
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc58d1c4780 (LWP 1470))]

Thread 3 (Thread 0x7fc561afb700 (LWP 1480)):
#0  0x00007fc58ba2df00 in __pthread_mutex_unlock_usercnt () from /usr/lib/libpthread.so.0
#1  0x00007fc5878ea751 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#2  0x00007fc5878a8400 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#3  0x00007fc5878a8c83 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007fc5878a8e6c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0x00007fc58bdeb2c6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x00007fc58bdbd15f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#7  0x00007fc58bdbd455 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#8  0x00007fc58bcb97ef in QThread::exec() () from /usr/lib/libQtCore.so.4
#9  0x00007fc58bd9e943 in ?? () from /usr/lib/libQtCore.so.4
#10 0x00007fc58bcbbebf in ?? () from /usr/lib/libQtCore.so.4
#11 0x00007fc58ba2a124 in start_thread () from /usr/lib/libpthread.so.0
#12 0x00007fc58a7a54bd in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7fc5537cd700 (LWP 1483)):
#0  0x00007fc58ba2eb2f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007fc57e92ffab in ?? () from /usr/lib/libQtScript.so.4
#2  0x00007fc57e92ffe9 in ?? () from /usr/lib/libQtScript.so.4
#3  0x00007fc58ba2a124 in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007fc58a7a54bd in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7fc58d1c4780 (LWP 1470)):
[KCrash Handler]
#5  0x00007fc586d060b2 in ?? () from /usr/lib/libfontconfig.so.1
#6  0x00007fc586d0628b in ?? () from /usr/lib/libfontconfig.so.1
#7  0x00007fc586d06c6d in FcFontMatch () from /usr/lib/libfontconfig.so.1
#8  0x00007fc58b174b8f in QFontDatabase::load(QFontPrivate const*, int) () from /usr/lib/libQtGui.so.4
#9  0x00007fc58b151db9 in QFontPrivate::engineForScript(int) const () from /usr/lib/libQtGui.so.4
#10 0x00007fc58b187809 in QTextEngine::fontEngine(QScriptItem const&, QFixed*, QFixed*, QFixed*) const () from /usr/lib/libQtGui.so.4
#11 0x00007fc58b188183 in QTextEngine::shapeTextWithHarfbuzz(int) const () from /usr/lib/libQtGui.so.4
#12 0x00007fc58b189282 in QTextEngine::shapeText(int) const () from /usr/lib/libQtGui.so.4
#13 0x00007fc58b1895a5 in QTextEngine::shape(int) const () from /usr/lib/libQtGui.so.4
#14 0x00007fc58b19a84f in QTextLine::layout_helper(int) () from /usr/lib/libQtGui.so.4
#15 0x00007fc58b1d01ed in ?? () from /usr/lib/libQtGui.so.4
#16 0x00007fc58b1d7783 in ?? () from /usr/lib/libQtGui.so.4
#17 0x00007fc58b1d2e24 in ?? () from /usr/lib/libQtGui.so.4
#18 0x00007fc58b1d391c in ?? () from /usr/lib/libQtGui.so.4
#19 0x00007fc58b1d5db1 in ?? () from /usr/lib/libQtGui.so.4
#20 0x00007fc58b1d67ed in ?? () from /usr/lib/libQtGui.so.4
#21 0x00007fc58b1d7d28 in ?? () from /usr/lib/libQtGui.so.4
#22 0x00007fc58b1d611d in ?? () from /usr/lib/libQtGui.so.4
#23 0x00007fc58b1d67ed in ?? () from /usr/lib/libQtGui.so.4
#24 0x00007fc58b1d92a0 in ?? () from /usr/lib/libQtGui.so.4
#25 0x00007fc58b1d9568 in ?? () from /usr/lib/libQtGui.so.4
#26 0x00007fc58b1d96fd in ?? () from /usr/lib/libQtGui.so.4
#27 0x00007fc58b1da490 in ?? () from /usr/lib/libQtGui.so.4
#28 0x00007fc58b1b7db1 in ?? () from /usr/lib/libQtGui.so.4
#29 0x00007fc58b1ab2b0 in QTextDocument::setHtml(QString const&) () from /usr/lib/libQtGui.so.4
#30 0x00007fc58b3310b5 in ?? () from /usr/lib/libQtGui.so.4
#31 0x00007fc58b3311dd in ?? () from /usr/lib/libQtGui.so.4
#32 0x00007fc58b33274f in ?? () from /usr/lib/libQtGui.so.4
#33 0x00007fc58b332c47 in QLabel::minimumSizeHint() const () from /usr/lib/libQtGui.so.4
#34 0x00007fc58b50802d in QGraphicsProxyWidget::sizeHint(Qt::SizeHint, QSizeF const&) const () from /usr/lib/libQtGui.so.4
#35 0x00007fc581201d5c in Plasma::Label::sizeHint(Qt::SizeHint, QSizeF const&) const () from /usr/lib/libplasma.so.3
#36 0x00007fc58b501031 in ?? () from /usr/lib/libQtGui.so.4
#37 0x00007fc58b5018ea in QGraphicsLayoutItem::effectiveSizeHint(Qt::SizeHint, QSizeF const&) const () from /usr/lib/libQtGui.so.4
#38 0x00007fc58b54591a in ?? () from /usr/lib/libQtGui.so.4
#39 0x00007fc58b549803 in ?? () from /usr/lib/libQtGui.so.4
#40 0x00007fc58b54a322 in ?? () from /usr/lib/libQtGui.so.4
#41 0x00007fc58b54a670 in ?? () from /usr/lib/libQtGui.so.4
#42 0x00007fc58b4d83b7 in QGraphicsGridLayout::sizeHint(Qt::SizeHint, QSizeF const&) const () from /usr/lib/libQtGui.so.4
#43 0x00007fc58b50108c in ?? () from /usr/lib/libQtGui.so.4
#44 0x00007fc58b5018ea in QGraphicsLayoutItem::effectiveSizeHint(Qt::SizeHint, QSizeF const&) const () from /usr/lib/libQtGui.so.4
#45 0x00007fc58b53c739 in QGraphicsWidget::sizeHint(Qt::SizeHint, QSizeF const&) const () from /usr/lib/libQtGui.so.4
#46 0x00007fc58b50108c in ?? () from /usr/lib/libQtGui.so.4
#47 0x00007fc58b5018ea in QGraphicsLayoutItem::effectiveSizeHint(Qt::SizeHint, QSizeF const&) const () from /usr/lib/libQtGui.so.4
#48 0x00007fc58b54591a in ?? () from /usr/lib/libQtGui.so.4
#49 0x00007fc58b549803 in ?? () from /usr/lib/libQtGui.so.4
#50 0x00007fc58b54a322 in ?? () from /usr/lib/libQtGui.so.4
#51 0x00007fc58b54ab51 in ?? () from /usr/lib/libQtGui.so.4
#52 0x00007fc58b54b0d0 in ?? () from /usr/lib/libQtGui.so.4
#53 0x00007fc58b502c0d in QGraphicsLinearLayout::setGeometry(QRectF const&) () from /usr/lib/libQtGui.so.4
#54 0x00007fc58b5000c3 in QGraphicsLayout::widgetEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#55 0x00007fc58b53c9cb in QGraphicsWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#56 0x00007fc58af40f0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#57 0x00007fc58af4748d in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#58 0x00007fc58cb9e63a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#59 0x00007fc58bdbe58d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#60 0x00007fc58b540096 in QGraphicsWidget::setGeometry(QRectF const&) () from /usr/lib/libQtGui.so.4
#61 0x00007fc58b53ce79 in QGraphicsWidget::resize(QSizeF const&) () from /usr/lib/libQtGui.so.4
#62 0x00007fc58b53d685 in QGraphicsWidget::adjustSize() () from /usr/lib/libQtGui.so.4
#63 0x00007fc58b540c0f in QGraphicsWidget::itemChange(QGraphicsItem::GraphicsItemChange, QVariant const&) () from /usr/lib/libQtGui.so.4
#64 0x00007fc58b4ede05 in QGraphicsItemPrivate::setVisibleHelper(bool, bool, bool) () from /usr/lib/libQtGui.so.4
#65 0x00007fc581226ab2 in Plasma::TabBar::setCurrentIndex(int) () from /usr/lib/libplasma.so.3
#66 0x00007fc4cd1e6142 in ?? () from /usr/lib/kde4/plasma_applet_networkmanagement.so
#67 0x00007fc58bdd230a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#68 0x00007fc5811fd480 in Plasma::IconWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /usr/lib/libplasma.so.3
#69 0x00007fc58b4e6b62 in QGraphicsItem::sceneEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#70 0x00007fc58b50db7f in ?? () from /usr/lib/libQtGui.so.4
#71 0x00007fc58b5167cf in QGraphicsScene::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /usr/lib/libQtGui.so.4
#72 0x00007fc58b5226f0 in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#73 0x00007fc58af40f0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#74 0x00007fc58af4748d in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#75 0x00007fc58cb9e63a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#76 0x00007fc58bdbe58d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#77 0x00007fc58b539347 in QGraphicsView::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#78 0x00007fc58af9044a in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#79 0x00007fc58b32e1de in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#80 0x00007fc58b539d69 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#81 0x00007fc58bdbe6f6 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#82 0x00007fc58af40eec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#83 0x00007fc58af475ca in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#84 0x00007fc58cb9e63a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#85 0x00007fc58bdbe58d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#86 0x00007fc58af46dc3 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#87 0x00007fc58afb895b in ?? () from /usr/lib/libQtGui.so.4
#88 0x00007fc58afb73cc in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#89 0x00007fc58afddf02 in ?? () from /usr/lib/libQtGui.so.4
#90 0x00007fc5878a8b84 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#91 0x00007fc5878a8dc8 in ?? () from /usr/lib/libglib-2.0.so.0
#92 0x00007fc5878a8e6c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#93 0x00007fc58bdeb2a5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#94 0x00007fc58afddfb6 in ?? () from /usr/lib/libQtGui.so.4
#95 0x00007fc58bdbd15f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#96 0x00007fc58bdbd455 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#97 0x00007fc58bdc2719 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#98 0x00007fc576fff62c in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#99 0x00000000004080e6 in _start ()

Comment 1 Christoph Feck 2014-06-10 08:21:15 UTC

Crash is in libfontconfig.