cccd gdb 3 log

fliker@fliker-VGN-FZ140E:~/Programs/ccd$ gdb --args ./ccd
GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.5) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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Type "show configuration" for configuration details.
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For help, type "help".
---Type <return> to continue, or q <return> to quit---
Type "apropos word" to search for commands related to "word"...
Reading symbols from ./ccd...done.
(gdb) start
Temporary breakpoint 1 at 0x49cf1a: file src/main.cpp, line 9.
Starting program: /home/fliker/Programs/ccd/ccd
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Temporary breakpoint 1, main (argc=1, argv=0x7fffffffdef8) at src/main.cpp:9
9       {
(gdb) continue
Continuing.
[New Thread 0x7fffe8d64700 (LWP 2336)]
[Thread 0x7fffe8d64700 (LWP 2336) exited]
[New Thread 0x7fffe8d64700 (LWP 2337)]
[Thread 0x7fffe8d64700 (LWP 2337) exited]
[New Thread 0x7fffe8d64700 (LWP 2338)]
[Thread 0x7fffe8d64700 (LWP 2338) exited]
[New Thread 0x7fffe8d64700 (LWP 2339)]
[Thread 0x7fffe8d64700 (LWP 2339) exited]
Model: 'Sony SLT-A58 (Control)' Port: usb:002,004
prog = Loading camera drivers from '/usr/local/lib/libgphoto2/2.5.14'...
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stop_func
[New Thread 0x7fffe8d64700 (LWP 2340)]
[Thread 0x7fffe8d64700 (LWP 2340) exited]
[New Thread 0x7fffe8d64700 (LWP 2342)]
Connected to DSLR-camera
[New Thread 0x7fffe8563700 (LWP 2343)]
sync task starting...
New task started...
Config get_params OK
sync done...
sync task starting...
continued...
Task complete
New task started...
GPCamera::set_config_widget: result = 0
Config set_params result OK
sync done...
sync task starting...
continued...
Task complete
New task started...
Config get_params OK
sync done...
continued...
Task complete
Connected to NULL-idev
[New Thread 0x7fffe7d62700 (LWP 2344)]
async task starting...New task started...
Start capture...
Before gp_camera_capture
prog = Downloading...
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stop_func
Before gp_camera_file_get
image mime = image/x-sony-arw
Capture done.
begin Open buffer
Begin unpack
done...
Scaling with multiplier=11 (max=5624)

total DONE
Task complete
QPainter::font: Painter not active
continued...

Thread 1 "ccd" received signal SIGSEGV, Segmentation fault.
__strcmp_ssse3 () at ../sysdeps/x86_64/multiarch/../strcmp.S:174
174     ../sysdeps/x86_64/multiarch/../strcmp.S: No such file or directory.
(gdb) bt
#0  __strcmp_ssse3 () at ../sysdeps/x86_64/multiarch/../strcmp.S:174
#1  0x000000000047e5b0 in GPConfigDlg::updateWidgetValue (this=0x81efe0, widget=0xdffac0) at src/device_ui/gpconfigdlg.cpp:553
#2  0x000000000047e7a9 in GPConfigDlg::updateWidgetValue (this=0x81efe0, widget=0xdfede0) at src/device_ui/gpconfigdlg.cpp:599
#3  0x000000000047e7a9 in GPConfigDlg::updateWidgetValue (this=0x81efe0, widget=0x7df640) at src/device_ui/gpconfigdlg.cpp:599
#4  0x000000000047e8d2 in GPConfigDlg::onOkClicked (this=0x81efe0) at src/device_ui/gpconfigdlg.cpp:609
#5  0x00000000004a4015 in GPConfigDlg::qt_static_metacall (_o=0x81efe0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fffffffc180) at debug/.moc/moc_gpconfigdlg.cpp:50
#6  0x00007ffff5fab010 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007ffff6b68d12 in QAbstractButton::clicked(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#8  0x00007ffff689e2b3 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#9  0x00007ffff689f664 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#10 0x00007ffff689f774 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#11 0x00007ffff651a8d0 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#12 0x00007ffff64c3fdc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
---Type <return> to continue, or q <return> to quit---
#13 0x00007ffff64cb0d6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#14 0x00007ffff5f9690d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#15 0x00007ffff64ca6dd in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) ()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#16 0x00007ffff65483f2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#17 0x00007ffff6547c83 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#18 0x00007ffff6571542 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#19 0x00007ffff34a2197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007ffff34a23f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007ffff34a249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007ffff5fc72ae in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#23 0x00007ffff6571616 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#24 0x00007ffff5f9518f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
---Type <return> to continue, or q <return> to quit---
#25 0x00007ffff5f954f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#26 0x00007ffff69a6a3c in QDialog::exec() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#27 0x000000000047febc in ui_device_base::onHardwareParamsClick (this=0xe08cf0) at src/ui_device_base.cpp:47
#28 0x00000000004a45b1 in ui_device_base::qt_static_metacall (_o=0xe08cf0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fffffffcfb0) at debug/.moc/moc_ui_device_base.cpp:50
#29 0x00007ffff5fab010 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#30 0x00007ffff6b68d12 in QAbstractButton::clicked(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#31 0x00007ffff689e2b3 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#32 0x00007ffff689f664 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#33 0x00007ffff689f774 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#34 0x00007ffff651a8d0 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#35 0x00007ffff64c3fdc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#36 0x00007ffff64cb0d6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#37 0x00007ffff5f9690d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
---Type <return> to continue, or q <return> to quit---
#38 0x00007ffff64ca6dd in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) ()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#39 0x00007ffff65483f2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#40 0x00007ffff6547c83 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#41 0x00007ffff6571542 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#42 0x00007ffff34a2197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007ffff34a23f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007ffff34a249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007ffff5fc72ae in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#46 0x00007ffff6571616 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#47 0x00007ffff5f9518f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#48 0x00007ffff5f954f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#49 0x00007ffff5f9b4b9 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
---Type <return> to continue, or q <return> to quit---
#50 0x000000000049cf82 in main (argc=1, argv=0x7fffffffdef8) at src/main.cpp:16
(gdb) f 1
#1  0x000000000047e5b0 in GPConfigDlg::updateWidgetValue (this=0x81efe0, widget=0xdffac0) at src/device_ui/gpconfigdlg.cpp:553
553                     if( !widget_value_string || strcmp( widget_value_string, value_new ) )
(gdb) p widget_value_string
$1 = 0xdfb160 "0"
(gdb) p value_new
$2 = 0x0