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Re: [Discuss-gnuradio] gr-fosphor : New RTSA-like visualization block fo

From: Sylvain Munaut
Subject: Re: [Discuss-gnuradio] gr-fosphor : New RTSA-like visualization block for GNURadio using GPU acceleration
Date: Sun, 27 Oct 2013 16:23:21 +0100


> Set Frequency to: 7.1e+06 Hz, corrected to: 7100000 Hz
> [xcb] Unknown request in queue while dequeuing
> [xcb] Most likely this is a multi-threaded client and XInitThreads has not
> been called
> [xcb] Aborting, sorry about that.
> python2: ../../src/xcb_io.c:179: dequeue_pending_request: Assertion
> `!xcb_xlib_unknown_req_in_deq' failed.
> Aborted (core dumped)

Your GNURadio is too old.

At the very least you need those patches: http://gnuradio.org/redmine/issues/596
And preferrably those as well : http://gnuradio.org/redmine/issues/601

Note that they're only changin python files and text template files so
you can "monkey patch" manually your installation, no need to
recompile everything.



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