Re: [Discuss-gnuradio] Thread AssertionError and Libc++abi.dylib on Mac Transmissions

[Julian Rohrhuber]

On 14.01.2013, at 16:56, David Greene <address@hidden> wrote:

> Hey Folks,
> 
> I've installed the latest version of GNURadio (3.6.3) using MacPorts on a
> fresh Macbook Pro running 10.8.2 using,
> 
> sudo port install gnuradio +full configure.compiler=llvm-gcc-4.2
> 
> Installation was flawless and I can receive using my USRP N210 just fine.
> The problem comes when I try to transmit on my USRP. I can't pinpoint what's
> causing it, but I get the following errors below when I try to transmit
> through UHD. No changes to the included example (uhd_const_wave.grc) except
> the IP address. Any help is appreciated, I've already tried several fresh
> installs using CLANG and/or LLVM-GCC-4.2 and boost is at version 1.51.
> Rebooting the USRP and/or the Mac has no effect.
> 


Hi David,

trying your trick on OS 10.8.1 gives me the error below when starting 
gnuradio-companion.
I've updated everything on macports before (which was a lot).

bash-3.2$ sudo port install gnuradio +full configure.compiler=llvm-gcc-4.2
Password:
--->  Computing dependencies for gnuradio
--->  Cleaning gnuradio
--->  Scanning binaries for linking errors: 100.0%
--->  No broken files found.
bash-3.2$ gnuradio-companion 
/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gtk-2.0/gtk/__init__.py:57:
 GtkWarning: could not open display
  warnings.warn(str(e), _gtk.Warning)
/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gnuradio/grc/gui/Actions.py:30:
 GtkWarning: GdkKeymap *gdk_keymap_get_for_display(GdkDisplay *): assertion 
`GDK_IS_DISPLAY (display)' failed
  _keymap = gtk.gdk.keymap_get_default()
/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gnuradio/grc/gui/Colors.py:24:
 GtkWarning: GdkColormap *gdk_screen_get_system_colormap(GdkScreen *): 
assertion `GDK_IS_SCREEN (screen)' failed
  _COLORMAP = gtk.gdk.colormap_get_system() #create all of the colors
Traceback (most recent call last):
  File "/opt/local/bin/gnuradio-companion", line 58, in <module>
    from gnuradio.grc.python.Platform import Platform
  File 
"/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gnuradio/grc/python/Platform.py",
 line 24, in <module>
    from FlowGraph import FlowGraph as _FlowGraph
  File 
"/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gnuradio/grc/python/FlowGraph.py",
 line 22, in <module>
    from .. gui.FlowGraph import FlowGraph as _GUIFlowGraph
  File 
"/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gnuradio/grc/gui/FlowGraph.py",
 line 22, in <module>
    import Colors
  File 
"/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gnuradio/grc/gui/Colors.py",
 line 27, in <module>
    HIGHLIGHT_COLOR = get_color('#00FFFF')
  File 
"/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gnuradio/grc/gui/Colors.py",
 line 25, in get_color
    def get_color(color_code): return _COLORMAP.alloc_color(color_code, True, 
True)
AttributeError: 'NoneType' object has no attribute 'alloc_color'