[Ktechlab-devel] [KTechLab] [2015-07-09] Automatic crash report generated by DrKonqi

Thu Jul 9 05:32:01 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 attempting to delete two wires on the top of the circuit, going
to the converter.
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 0x7f98089db7c0 (LWP 16115))]

Thread 3 (Thread 0x7f97f101d700 (LWP 16116)):
#0  0x00007f980216e560 in __GI___pthread_mutex_lock
(mutex=0x7f97ec000a60) at ../nptl/pthread_mutex_lock.c:125
#1  0x00007f9801ee6981 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9801ea4fca in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9801ea50ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9804aa97be in QEventDispatcherGlib::processEvents
(this=0x7f97ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#5  0x00007f9804a7b0af in QEventLoop::processEvents
(this=this at entry=0x7f97f101cde0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f9804a7b3a5 in QEventLoop::exec
(this=this at entry=0x7f97f101cde0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f9804977c5f in QThread::exec (this=this at entry=0x17d0920) at
thread/qthread.cpp:537
#8  0x00007f9804a5c823 in QInotifyFileSystemWatcherEngine::run
(this=0x17d0920) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f980497a32f in QThreadPrivate::start (arg=0x17d0920) at
thread/qthread_unix.cpp:349
#10 0x00007f980216c182 in start_thread (arg=0x7f97f101d700) at
pthread_create.c:312
#11 0x00007f9803b6e47d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f97eb42b700 (LWP 16144)):
#0  0x00007f9801ee661d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9801ee69a9 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9801ea4a59 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9801ea4f7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9801ea50ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9804aa97be in QEventDispatcherGlib::processEvents
(this=0x7f97e40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007f9804a7b0af in QEventLoop::processEvents
(this=this at entry=0x7f97eb42ade0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f9804a7b3a5 in QEventLoop::exec
(this=this at entry=0x7f97eb42ade0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f9804977c5f in QThread::exec (this=this at entry=0x1b00b40) at
thread/qthread.cpp:537
#9  0x00007f9804a5c823 in QInotifyFileSystemWatcherEngine::run
(this=0x1b00b40) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f980497a32f in QThreadPrivate::start (arg=0x1b00b40) at
thread/qthread_unix.cpp:349
#11 0x00007f980216c182 in start_thread (arg=0x7f97eb42b700) at
pthread_create.c:312
#12 0x00007f9803b6e47d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f98089db7c0 (LWP 16115)):
[KCrash Handler]
#6  Pin::currentIsKnown (this=this at entry=0x20) at
/home/tommy/Downloads/ktechlab-0.3-port-0.3.8-kde4-v1/src/electronics/pin.h:110
#7  0x0000000000519248 in Wire::calculateCurrent (this=0x11a5a80) at
/home/tommy/Downloads/ktechlab-0.3-port-0.3.8-kde4-v1/src/electronics/wire.cpp:38
#8  0x000000000051e5ca in CircuitDocument::calculateConnectorCurrents
(this=this at entry=0x1b54090) at
/home/tommy/Downloads/ktechlab-0.3-port-0.3.8-kde4-v1/src/electronics/circuitdocument.cpp:423
#9  0x0000000000520470 in CircuitDocument::update (this=0x1b54090) at
/home/tommy/Downloads/ktechlab-0.3-port-0.3.8-kde4-v1/src/electronics/circuitdocument.cpp:225
#10 0x000000000048df44 in Canvas::update (this=0x1c2b7b0) at
/home/tommy/Downloads/ktechlab-0.3-port-0.3.8-kde4-v1/src/itemdocument.cpp:1365
#11 0x00007f9804a9087a in QMetaObject::activate (sender=0x1c24700,
m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at
kernel/qobject.cpp:3539
#12 0x00007f9804a94a31 in QObject::event (this=0x1c24700, e=<optimized
out>) at kernel/qobject.cpp:1156
#13 0x00007f9805c3ee2c in QApplicationPrivate::notify_helper
(this=this at entry=0x116a460, receiver=receiver at entry=0x1c24700,
e=e at entry=0x7ffc0ddfd5b0) at kernel/qapplication.cpp:4567
#14 0x00007f9805c454a0 in QApplication::notify
(this=this at entry=0x7ffc0ddfd920, receiver=receiver at entry=0x1c24700,
e=e at entry=0x7ffc0ddfd5b0) at kernel/qapplication.cpp:4353
#15 0x00007f9806949d1a in KApplication::notify (this=0x7ffc0ddfd920,
receiver=0x1c24700, event=0x7ffc0ddfd5b0) at
../../kdeui/kernel/kapplication.cpp:311
#16 0x00007f9804a7c4dd in QCoreApplication::notifyInternal
(this=0x7ffc0ddfd920, receiver=0x1c24700, event=0x7ffc0ddfd5b0) at
kernel/qcoreapplication.cpp:953
#17 0x00007f9804aac323 in sendEvent (event=<optimized out>,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QTimerInfoList::activateTimers (this=0x1170180) at
kernel/qeventdispatcher_unix.cpp:621
#19 0x00007f9804aa95f1 in timerSourceDispatch (source=<optimized out>)
at kernel/qeventdispatcher_glib.cpp:193
#20 0x00007f9801ea4e04 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f9801ea5048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f9801ea50ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f9804aa97a1 in QEventDispatcherGlib::processEvents
(this=0x112eaf0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#24 0x00007f9805ce0be6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#25 0x00007f9804a7b0af in QEventLoop::processEvents
(this=this at entry=0x7ffc0ddfd820, flags=...) at kernel/qeventloop.cpp:149
#26 0x00007f9804a7b3a5 in QEventLoop::exec
(this=this at entry=0x7ffc0ddfd820, flags=...) at kernel/qeventloop.cpp:204
#27 0x00007f9804a80b79 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1225
#28 0x00007f9805c3d37c in QApplication::exec () at
kernel/qapplication.cpp:3828
#29 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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