[Ktechlab-devel] [KTechLab] [2015-07-08] Automatic crash report generated by DrKonqi

Charles T. Bell cbell44 at cfl.rr.com
Wed Jul 8 23:34:01 UTC 2015 

Application: ktechlab (0.3.6)
KDE Platform Version: 4.13.3
Qt Version: 4.8.6
Operating System: Linux 4.1.1-040101-generic x86_64
Distribution: Ubuntu 14.04.2 LTS

-- Information about the crash:
<In detail, tell us what you were doing  when the application crashed.>
I was changing the circuit components, not any values, just adding or
removing.
The crash can be reproduced every time.

-- Backtrace:
Application: KTechLab (ktechlab), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f99c60507c0 (LWP 16424))]

Thread 2 (Thread 0x7f99ae692700 (LWP 16428)):
#0  0x00007fff053f4c46 in ?? ()
#1  0x00007f99c211e920 in ?? () at kernel/qeventdispatcher_glib.cpp:591
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f99c10f1f00 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x0000000200e191c0 in ?? ()
#4  0x00007f99a8003130 in ?? ()
#5  0x00007f99ae691c28 in ?? ()
#6  0x00007f99ae691bc0 in ?? ()
#7  0x00007f99ae691c30 in ?? ()
#8  0x00007f99c11f192d in __GI___clock_gettime (clock_id=<optimized
out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#9  0x00007f99c2043ad7 in do_gettime (frac=0x7f99ae691b70,
sec=0x7f99ae691b68) at tools/qelapsedtimer_unix.cpp:127
#10 qt_gettime () at tools/qelapsedtimer_unix.cpp:144
#11 0x00007f99c211ff05 in updateCurrentTime (this=0x1) at
kernel/qeventdispatcher_unix.cpp:354
#12 QTimerInfoList::timerWait (this=0x1, tm=...) at
kernel/qeventdispatcher_unix.cpp:460
#13 0x00007f99c211e67c in timerSourcePrepareHelper (src=<optimized out>,
timeout=0x7f99ae691c24) at kernel/qeventdispatcher_glib.cpp:143
#14 0x00007f99c211e725 in timerSourcePrepare (source=<optimized out>,
timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:176
#15 0x00007f99bf51968d in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f99bf519f03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f99bf51a0ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f99c211e7be in QEventDispatcherGlib::processEvents
(this=0x7f99a80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#19 0x00007f99c20f00af in QEventLoop::processEvents
(this=this at entry=0x7f99ae691de0, flags=...) at kernel/qeventloop.cpp:149
#20 0x00007f99c20f03a5 in QEventLoop::exec
(this=this at entry=0x7f99ae691de0, flags=...) at kernel/qeventloop.cpp:204
#21 0x00007f99c1fecc5f in QThread::exec (this=this at entry=0x14b1020) at
thread/qthread.cpp:537
#22 0x00007f99c20d1823 in QInotifyFileSystemWatcherEngine::run
(this=0x14b1020) at io/qfilesystemwatcher_inotify.cpp:265
#23 0x00007f99c1fef32f in QThreadPrivate::start (arg=0x14b1020) at
thread/qthread_unix.cpp:349
#24 0x00007f99bf7e1182 in start_thread (arg=0x7f99ae692700) at
pthread_create.c:312
#25 0x00007f99c11e347d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f99c60507c0 (LWP 16424)):
[KCrash Handler]
#6  _wordcopy_fwd_aligned (dstp=35794920, srcp=35794936,
len=2305843009212409016) at wordcopy.c:100
#7  0x00007f99c1175515 in __memmove_sse2 (dest=0x18555b8, src=<optimized
out>, len=18446744073709551608) at ../string/memmove.c:79
#8  0x00007f99c200c799 in memmove (__len=<optimized out>,
__src=<optimized out>, __dest=<optimized out>) at
/usr/include/x86_64-linux-gnu/bits/string3.h:57
#9  QListData::remove (this=this at entry=0x7fff053e91a0, i=<optimized
out>, i at entry=3) at tools/qlist.cpp:347
#10 0x00007f99c200ca39 in QListData::erase
(this=this at entry=0x7fff053e91a0, xi=<optimized out>) at tools/qlist.cpp:412
#11 0x0000000000521051 in QList<QPointer<Wire> >::erase
(this=this at entry=0x7fff053e91a0, it=...) at
/usr/include/qt4/QtCore/qlist.h:466
#12 0x0000000000521095 in QList<QPointer<Wire> >::remove
(this=this at entry=0x7fff053e91a0, pos=...) at
/usr/include/qt4/QtCore/qlist.h:314
#13 0x000000000051e61f in CircuitDocument::calculateConnectorCurrents
(this=0x15fde90) at
/home/tommy/Downloads/ktechlab-0.3-port-0.3.8-kde4-v1/src/electronics/circuitdocument.cpp:428
#14 0x0000000000489854 in CanvasTip::updateVI (this=0x2222fe8,
this at entry=0x15fe390) at
/home/tommy/Downloads/ktechlab-0.3-port-0.3.8-kde4-v1/src/itemdocument.cpp:1173
#15 0x000000000048c129 in CanvasTip::displayVI
(this=this at entry=0x15fe390, node=0x15408c0, pos=...) at
/home/tommy/Downloads/ktechlab-0.3-port-0.3.8-kde4-v1/src/itemdocument.cpp:1123
#16 0x000000000048791f in ItemView::updateStatus (this=0x16628f0) at
/home/tommy/Downloads/ktechlab-0.3-port-0.3.8-kde4-v1/src/itemview.cpp:637
#17 0x00007f99c210587a in QMetaObject::activate (sender=0x13d0210,
m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at
kernel/qobject.cpp:3539
#18 0x00007f99c2109a31 in QObject::event (this=0x13d0210, e=<optimized
out>) at kernel/qobject.cpp:1156
#19 0x00007f99c32b3e2c in QApplicationPrivate::notify_helper
(this=this at entry=0xe4b460, receiver=receiver at entry=0x13d0210,
e=e at entry=0x7fff053e97b0) at kernel/qapplication.cpp:4567
#20 0x00007f99c32ba4a0 in QApplication::notify
(this=this at entry=0x7fff053eb120, receiver=receiver at entry=0x13d0210,
e=e at entry=0x7fff053e97b0) at kernel/qapplication.cpp:4353
#21 0x00007f99c3fbed1a in KApplication::notify (this=0x7fff053eb120,
receiver=0x13d0210, event=0x7fff053e97b0) at
../../kdeui/kernel/kapplication.cpp:311
#22 0x00007f99c20f14dd in QCoreApplication::notifyInternal
(this=0x7fff053eb120, receiver=0x13d0210, event=0x7fff053e97b0) at
kernel/qcoreapplication.cpp:953
#23 0x00007f99c2121323 in sendEvent (event=<optimized out>,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#24 QTimerInfoList::activateTimers (this=0xe51180) at
kernel/qeventdispatcher_unix.cpp:621
#25 0x00007f99c211e5f1 in timerSourceDispatch (source=<optimized out>)
at kernel/qeventdispatcher_glib.cpp:193
#26 0x00007f99bf519e04 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f99bf51a048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f99bf51a0ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f99c211e7a1 in QEventDispatcherGlib::processEvents
(this=0xe0faf0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#30 0x00007f99c3355be6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x00007f99c20f50ba in QCoreApplication::processEvents (flags=...,
maxtime=maxtime at entry=300) at kernel/qcoreapplication.cpp:1168
#32 0x000000000049ae5f in ICNDocument::rerouteInvalidatedConnectors
(this=0x15fde90) at
/home/tommy/Downloads/ktechlab-0.3-port-0.3.8-kde4-v1/src/icndocument.cpp:693
#33 0x00007f99c210587a in QMetaObject::activate (sender=0x1241b10,
m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at
kernel/qobject.cpp:3539
#34 0x00007f99c2109a31 in QObject::event (this=0x1241b10, e=<optimized
out>) at kernel/qobject.cpp:1156
#35 0x00007f99c32b3e2c in QApplicationPrivate::notify_helper
(this=this at entry=0xe4b460, receiver=receiver at entry=0x1241b10,
e=e at entry=0x7fff053e9f20) at kernel/qapplication.cpp:4567
#36 0x00007f99c32ba4a0 in QApplication::notify
(this=this at entry=0x7fff053eb120, receiver=receiver at entry=0x1241b10,
e=e at entry=0x7fff053e9f20) at kernel/qapplication.cpp:4353
#37 0x00007f99c3fbed1a in KApplication::notify (this=0x7fff053eb120,
receiver=0x1241b10, event=0x7fff053e9f20) at
../../kdeui/kernel/kapplication.cpp:311
#38 0x00007f99c20f14dd in QCoreApplication::notifyInternal
(this=0x7fff053eb120, receiver=0x1241b10, event=0x7fff053e9f20) at
kernel/qcoreapplication.cpp:953
#39 0x00007f99c2121323 in sendEvent (event=<optimized out>,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#40 QTimerInfoList::activateTimers (this=0xe51180) at
kernel/qeventdispatcher_unix.cpp:621
#41 0x00007f99c211e5f1 in timerSourceDispatch (source=<optimized out>)
at kernel/qeventdispatcher_glib.cpp:193
#42 0x00007f99bf519e04 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f99bf51a048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f99bf51a0ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007f99c211e7a1 in QEventDispatcherGlib::processEvents
(this=0xe0faf0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#46 0x00007f99c3355be6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#47 0x00007f99c20f00af in QEventLoop::processEvents
(this=this at entry=0x1721520, flags=...) at kernel/qeventloop.cpp:149
#48 0x00007f99c20f03a5 in QEventLoop::exec (this=this at entry=0x1721520,
flags=...) at kernel/qeventloop.cpp:204
#49 0x00007f99c333e0bd in QDragManager::drag (this=0x1812000,
o=o at entry=0x16914f0) at kernel/qdnd_x11.cpp:2032
#50 0x00007f99c32c4e3a in QDrag::exec (this=0x16914f0,
supportedActions=..., defaultDropAction=Qt::IgnoreAction) at
kernel/qdrag.cpp:284
#51 0x00007f99c253645f in Q3DragObject::drag(Q3DragObject::DragMode) ()
from /usr/lib/x86_64-linux-gnu/libQt3Support.so.4
#52 0x00007f99c29c264f in K3ListView::startDrag (this=0x1055a90) at
../../kde3support/kdeui/k3listview.cpp:1151
#53 0x00007f99c29c5066 in K3ListView::contentsMouseMoveEvent
(this=0x1055a90, e=0x7fff053ea3e0) at
../../kde3support/kdeui/k3listview.cpp:833
#54 0x00007f99c25baddc in
Q3ScrollView::viewportMouseMoveEvent(QMouseEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt3Support.so.4
#55 0x00007f99c25b957f in Q3ScrollView::eventFilter(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt3Support.so.4
#56 0x00007f99c257131e in Q3ListView::eventFilter(QObject*, QEvent*) ()
from /usr/lib/x86_64-linux-gnu/libQt3Support.so.4
#57 0x00007f99c20f1646 in
QCoreApplicationPrivate::sendThroughObjectEventFilters
(this=this at entry=0xe4b460, receiver=receiver at entry=0x1055af0,
event=event at entry=0x7fff053ea8d0) at kernel/qcoreapplication.cpp:1063
#58 0x00007f99c32b3e0c in QApplicationPrivate::notify_helper
(this=this at entry=0xe4b460, receiver=receiver at entry=0x1055af0,
e=e at entry=0x7fff053ea8d0) at kernel/qapplication.cpp:4563
#59 0x00007f99c32ba5dd in QApplication::notify
(this=this at entry=0x7fff053eb120, receiver=receiver at entry=0x1055af0,
e=e at entry=0x7fff053ea8d0) at kernel/qapplication.cpp:4110
#60 0x00007f99c3fbed1a in KApplication::notify (this=0x7fff053eb120,
receiver=0x1055af0, event=0x7fff053ea8d0) at
../../kdeui/kernel/kapplication.cpp:311
#61 0x00007f99c20f14dd in QCoreApplication::notifyInternal
(this=0x7fff053eb120, receiver=receiver at entry=0x1055af0,
event=event at entry=0x7fff053ea8d0) at kernel/qcoreapplication.cpp:953
#62 0x00007f99c32b9d93 in sendEvent (event=<optimized out>,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#63 QApplicationPrivate::sendMouseEvent
(receiver=receiver at entry=0x1055af0, event=event at entry=0x7fff053ea8d0,
alienWidget=alienWidget at entry=0x1055af0,
nativeWidget=nativeWidget at entry=0x10011a0,
buttonDown=buttonDown at entry=0x7f99c3d99318 <qt_button_down>,
lastMouseReceiver=..., spontaneous=spontaneous at entry=true) at
kernel/qapplication.cpp:3178
#64 0x00007f99c332e9eb in QETWidget::translateMouseEvent
(this=this at entry=0x10011a0, event=event at entry=0x7fff053eac50) at
kernel/qapplication_x11.cpp:4634
#65 0x00007f99c332e289 in QApplication::x11ProcessEvent
(this=0x7fff053eb120, event=event at entry=0x7fff053eac50) at
kernel/qapplication_x11.cpp:3627
#66 0x00007f99c3355b32 in x11EventSourceDispatch (s=0xe4f980,
callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#67 0x00007f99bf519e04 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#68 0x00007f99bf51a048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#69 0x00007f99bf51a0ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#70 0x00007f99c211e7a1 in QEventDispatcherGlib::processEvents
(this=0xe0faf0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#71 0x00007f99c3355be6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#72 0x00007f99c20f00af in QEventLoop::processEvents
(this=this at entry=0x7fff053eb020, flags=...) at kernel/qeventloop.cpp:149
#73 0x00007f99c20f03a5 in QEventLoop::exec
(this=this at entry=0x7fff053eb020, flags=...) at kernel/qeventloop.cpp:204
#74 0x00007f99c20f5b79 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1225
#75 0x00007f99c32b237c in QApplication::exec () at
kernel/qapplication.cpp:3828
#76 0x000000000043532d in main (argc=<optimized out>, argv=<optimized
out>) at
/home/tommy/Downloads/ktechlab-0.3-port-0.3.8-kde4-v1/src/core/main.cpp:70

-- 
"A government for protecting business only is but a carcass
and soon fails by its own corruption and decay."
-- Amos Bronson Alcott (1799-1888), Transcendentalist, writer
and philosopher.
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