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Re: [Discuss-gnuradio] GRC runtime crash

From: Justin Shaw
Subject: Re: [Discuss-gnuradio] GRC runtime crash
Date: Fri, 31 Aug 2007 08:11:42 -0400
User-agent: Thunderbird (Windows/20070728)

This happens to me to...

I'm running Ubuntu Feisty Fawn on a Dell Inspiron 1505


Josh Blum wrote:
Well the error is coming from inside the call to gtk.main(), not directly from any calls in the GRC source.

When you press the execute button, it does a call to os.system and a thread waits for os.system to return. When you press the stop button, you are actually are calling a kill -9 on the running flow graph.

I haven't heard of this problem (mac os or otherwise). Maybe someone can make an educated guess?


Ed Criscuolo wrote:
While using the GNU Radio Companion, I've been getting frequent crashes.
They always occur after terminating a flowgraph that has been run from
within GRC.  After terminating the fg, there is a few second pause, and
then GRC quits.  The error output on the cli where GRC was launched is:

/Users/edwardc/Work/gnu_radio/grc_0.65/src/ActionHandler.py:63: GtkWarning: Invalid text buffer iterator: either the iterator is uninitialized, or the characters/pixbufs/widgets in the buffer have been modified since the iterator was created. You must use marks, character numbers, or line numbers to preserve a position across buffer modifications.
You can apply tags and insert marks without invalidating your iterators,
but any mutation that affects 'indexable' buffer contents (contents that can be referred to by character offset)
will invalidate all outstanding iterators
Bus error

It doesn't happen every time, maybe 20% of the time.
Has anybody else been seeing this?

I'm running on an Intel MacBook Pro with the following:
  OSX 10.4.10
  GNU Radio 3.0.3
  GRC 0.65
  Python 2.4.3_1
  Gtk2  2.10.7

@(^.^)@  Ed

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