Re: [Discuss-gnuradio] Error 28

2013-12-04 Thread Mark Cottrell
On Thu, Dec 5, 2013 at 12:04 PM, Paul B. Huter paul.b.hu...@gmail.comwrote: I have a USRP source going direct to a file sink, and it runs really well, except for an error. Does anyone know what the following means?: thread[thread-per-block[1]: block file_sink (2)]: file_sink write failed

Re: [Discuss-gnuradio] Weird malloc/free crash in pm_remez.cc

2013-11-25 Thread Mark Cottrell
On Mon, Nov 25, 2013 at 3:03 PM, Josh Myer j...@joshisanerd.com wrote: Hi all, I’ve got an annoying crash in the current head of gnuradio. It’s reproducible with the GRC file up at: http://www.joshisanerd.com/am_demod_crash.grc Does this crash for anyone else? If nobody else can repro,

Re: [Discuss-gnuradio] possible bug with hier_block2_detail::msg_disconnect

2013-10-13 Thread Mark Cottrell
very comprehensive as they only really test for the absence of an exception, rather than the message port actually having been disconnected and the subscriptions cleared. Thanks, Mark On Sun, Oct 13, 2013 at 7:06 AM, Johnathan Corgan johnat...@corganlabs.comwrote: On 09/29/2013 09:27 PM, Mark

[Discuss-gnuradio] possible bug with hier_block2_detail::msg_disconnect

2013-09-29 Thread Mark Cottrell
Hello all, I am working with gnuradio 3.7.2git-28-g639e154d and I have a hierarchical block with a message output that I have been using as part of a larger flowgraph. Yesterday I found that whenever I call msg_disconnect on the top block with the hier block as the source, I get an error logged

Re: [Discuss-gnuradio] flowgraph with async messaging hangs on calling wait()

2013-09-11 Thread Mark Cottrell
wrote: On Thu, Aug 22, 2013 at 10:44 PM, Mark Cottrell mark.cottr...@taitradio.com wrote: Hello all, I have written a sync block that takes in samples and outputs messages (similar to tagged_stream_to_pdu), but when writing a test for the block I found that when I called top_block.run

[Discuss-gnuradio] flowgraph with async messaging hangs on calling wait()

2013-08-22 Thread Mark Cottrell
Hello all, I have written a sync block that takes in samples and outputs messages (similar to tagged_stream_to_pdu), but when writing a test for the block I found that when I called top_block.run(), the test never finished, as it appears to be hanging on the call to top_block.wait(). The flow

[Discuss-gnuradio] A few questions about subclassing gr_block

2013-05-02 Thread Mark Cottrell
Hello, I am trying to create a block that detects sync patterns at baseband tagging the first sample of the pattern using stream tags, then using the tags down stream as part of demodulation. I have made a few assumptions about how gnuradio works that I would like to validate: - a sync pattern

[Discuss-gnuradio] Debian package grc_setup_freedesktop problems

2012-06-14 Thread Mark Cottrell
I am trying to build a gnuradio debian package in ubuntu 12.04, but have been having some issues with the postinst and prerm scripts trying to call grc_setup_freedesktop. Looking at grc/freedesktop/CMakeLists.txt, grc_setup_freedesktop is only installed if you have xdg-utils installed. However,