# Seg fault in gr\_filter\_design

**URL:** <https://www.ruby-forum.com/t/seg-fault-in-gr-filter-design/224143>\
**Category:** GNU Radio\
**Created:** [October 31, 2012, 6:40pm UTC](https://www.ruby-forum.com/t/seg-fault-in-gr-filter-design/224143 "2012-10-31T18:40:27Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![aris](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/258eb7/32.png) [@aris](https://www.ruby-forum.com/u/aris)\
**Post date:** [October 31, 2012, 6:40pm UTC](https://www.ruby-forum.com/t/seg-fault-in-gr-filter-design/224143/1 "2012-10-31T18:40:27Z")

</div>

I was using the fresh-from-git gr\_filter\_design, and when I went to save  
the results, I got a seg fault. Here’s some backtrace info from GDB:

```
from /usr/lib64/libQtGui.so.4

```

#24 0x00007f0d9316ef06 in ?? ()  
from /usr/lib64/python2.7/site-packages/PyQt4/QtGui.so  
#25 0x0000003a18d5d0dc in QCoreApplication::notifyInternal(QObject\*,  
QEvent\*)  
() from /usr/lib64/libQtCore.so.4  
#26 0x0000003cc6fbac65 in QApplicationPrivate::sendMouseEvent(QWidget\*,  
QMouseEv—Type to continue, or q to quit—  
ent\*, QWidget\*, QWidget\*, QWidget\*\*, QPointer&, bool) ()  
from /usr/lib64/libQtGui.so.4  
#27 0x0000003cc7039984 in ?? () from /usr/lib64/libQtGui.so.4  
#28 0x0000003cc7037e19 in QApplication::x11ProcessEvent(\_XEvent\*) ()  
from /usr/lib64/libQtGui.so.4  
#29 0x0000003cc705faf6 in ?? () from /usr/lib64/libQtGui.so.4  
#30 0x00007f0d93858e33 in g\_main\_context\_dispatch ()  
from /lib64/libglib-2.0.so.0  
#31 0x00007f0d93859610 in ?? () from /lib64/libglib-2.0.so.0  
#32 0x00007f0d938598ad in g\_main\_context\_iteration ()  
from /lib64/libglib-2.0.so.0  
#33 0x0000003a18d882cf in  
QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag)  
() from /usr/lib64/libQtCore.so.4  
#34 0x0000003cc705f7fe in ?? () from /usr/lib64/libQtGui.so.4  
#35 0x0000003a18d5c472 in  
QEventLoop::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from  
/usr/lib64/libQtCore.so.4  
#36 0x0000003a18d5c6bc in  
QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from  
/usr/lib64/libQtCore.so.4  
#37 0x0000003a18d60b7b in QCoreApplication::exec() ()  
from /usr/lib64/libQtCore.so.4  
#38 0x00007f0d9316fc6b in ?? ()  
from /usr/lib64/python2.7/site-packages/PyQt4/QtGui.so  
#39 0x000000340cae965b in PyEval\_EvalFrameEx ()  
—Type to continue, or q to quit—  
from /usr/lib64/libpython2.7.so.1.0  
#40 0x000000340caea71d in PyEval\_EvalFrameEx ()  
from /usr/lib64/libpython2.7.so.1.0  
#41 0x000000340caeb04d in PyEval\_EvalCodeEx ()  
from /usr/lib64/libpython2.7.so.1.0  
#42 0x000000340caeb162 in PyEval\_EvalCode ()  
from /usr/lib64/libpython2.7.so.1.0  
#43 0x000000340cb0639c in ?? () from /usr/lib64/libpython2.7.so.1.0  
#44 0x000000340cb071d0 in PyRun\_FileExFlags ()  
from /usr/lib64/libpython2.7.so.1.0  
#45 0x000000340cb07daf in PyRun\_SimpleFileExFlags ()  
from /usr/lib64/libpython2.7.so.1.0  
#46 0x000000340cb198ce in Py\_Main () from /usr/lib64/libpython2.7.so.1.0  
#47 0x00000033f2e1ee5d in \_\_libc\_start\_main () from /lib64/libc.so.6  
#48 0x0000000000400649 in \_start ()

I’m running Fedora 14 on a x86\_64 platform

–  
Marcus L.  
Principal Investigator  
Shirleys Bay Radio Astronomy Consortium

> **[Live Draw HK Tercepat | Result HK | HK Pools | Live HK | HK Prize Hari Ini](https://www.sbrac.org/)**
>
> Temukan live draw hk tercepat melalui halaman hk pools yang resmi dan dapatkan result hk prize melalui live hk secara langsung di situs kami.

---

<div class="post-metadata">

**Author:** ![Marcus\_DSLeech](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/74df32/32.png) [@Marcus\_DSLeech](https://www.ruby-forum.com/u/Marcus_DSLeech)\
**Post date:** [October 31, 2012, 10:56pm UTC](https://www.ruby-forum.com/t/seg-fault-in-gr-filter-design/224143/2 "2012-10-31T22:56:23Z")

</div>

On Wed, Oct 31, 2012 at 1:39 PM, Marcus D. Leech [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
wrote:

> QMouseEv—Type to continue, or q to quit—  
> from /lib64/libglib-2.0.so.0  
> #37 0x0000003a18d60b7b in QCoreApplication::exec() ()  
> #42 0x000000340caeb162 in PyEval\_EvalCode ()
> 
> I’m running Fedora 14 on a x86\_64 platform
> 
> –  
> Marcus L.  
> Principal Investigator  
> Shirleys Bay Radio Astronomy Consortium  
> [http://www.sbrac.org](http://www.sbrac.org)

My guess is a problem with an older version of QT. Can you tell me  
what version you’re running on?

Tom

---

<div class="post-metadata">

**Author:** ![Marcus\_DSLeech](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/74df32/32.png) [@Marcus\_DSLeech](https://www.ruby-forum.com/u/Marcus_DSLeech)\
**Post date:** [October 31, 2012, 11:05pm UTC](https://www.ruby-forum.com/t/seg-fault-in-gr-filter-design/224143/3 "2012-10-31T23:05:09Z")

</div>

> > #26 0x0000003cc6fbac65 in QApplicationPrivate::sendMouseEvent(QWidget\*,  
> > #32 0x00007f0d938598ad in g\_main\_context\_iteration ()  
> > /usr/lib64/libQtCore.so.4  
> > from /usr/lib64/libpython2.7.so.1.0
> 
> what version you’re running on?
> 
> Tom

qt-webkit-4.7.4-7.fc14.x86\_64  
qt-assistant-adp-4.6.3-1.fc14.x86\_64  
gambas2-gb-qt-ext-2.23.0-1.fc14.x86\_64  
qt-4.7.4-7.fc14.x86\_64  
qwtplot3d-qt4-devel-0.2.7-9.fc12.x86\_64  
gambas2-gb-qt-opengl-2.23.0-1.fc14.x86\_64  
qtoctave-0.10.1-7.fc14.x86\_64  
dbusmenu-qt-0.6.3-1.fc14.1.x86\_64  
qt-x11-4.7.4-7.fc14.x86\_64  
qt-qsa-1.1.5-7.fc12.x86\_64  
gambas2-gb-qt-kde-2.23.0-1.fc14.x86\_64  
qwtplot3d-qt4-0.2.7-9.fc12.x86\_64  
qtiplot-0.9.8.3-1.fc14.x86\_64  
qt-devel-4.7.4-7.fc14.x86\_64  
R-qtl-1.21.2-1.fc14.x86\_64  
polkit-qt-0.99.0-2.fc14.x86\_64  
qt3-3.3.8b-37.fc14.x86\_64  
gambas2-gb-qt-kde-html-2.23.0-1.fc14.x86\_64  
gambas2-gb-qt-2.23.0-1.fc14.x86\_64

–  
Marcus L.  
Principal Investigator  
Shirleys Bay Radio Astronomy Consortium

> **[Live Draw HK Tercepat | Result HK | HK Pools | Live HK | HK Prize Hari Ini](https://www.sbrac.org/)**
>
> Temukan live draw hk tercepat melalui halaman hk pools yang resmi dan dapatkan result hk prize melalui live hk secara langsung di situs kami.