On Thu, Jun 26, 2014 at 12:12 PM, Shashank Sinha <shashsin...@gmail.com> wrote:
> I re-installed UHD drivers, GNU Radio as well as gr-foo and gr-ieee80211 . > I started to run the transmitter with Performance Monitor but got the > following error: > > ctrlport-monitor: radio.get threw exception (math domain error). > > I tried looking for an explanation online but was unsuccessful. Any ideas > to the reason for the error. I am pretty sure it is not related to > gr-ieee80211. > > Specs: > GNU Radio - 3.7.3 > UHD Driver - 3.7.1 > RF Front-End - NI USRP- 2920 > OS - Ubuntu 12.04 > Are you running gr-ctrlport-monitor from the command line or using the GRC block? If using this the latter way, I've noticed this happening on very complex flowgraphs. I think it basically makes a call to the flowgraph that the flowgraph doesn't properly respond to or provides a 0 result. If you launch the flowgraph first and then call the gr-ctrlport-monitor from the command line in a terminal, instead, the problem should go away. Also, you could try running a simpler flowgraph just to verify that this and the performance monitor tool are working in a more controlled experiment. Also, can you get the line number for where the assertion is coming from? It'd be good if we could put a check in there to prevent it from crashing like this. Thanks, Tom > On Wed, Jun 25, 2014 at 8:04 PM, Bastian Bloessl <bloe...@ccs-labs.org> > wrote: > >> Hi Shashank, >> >> >> On 06/25/2014 01:48 PM, Shashank Sinha wrote: >> >>> I was trying to use gr-perf-monitorx while running Bastian's >>> gr-ieee80211 project. I was encountering the following error : >>> >>> >> I just reran the example and it works for me, but maybe you can run the >> performance monitor for a simple flow graph with GNU Radio blocks only, >> just to assure that the error is not related to the 802-11 stuff... >> >> >> Best, >> Bastian >> > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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