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From: | Mike Markowski |
Subject: | Re: USRP UHD Source problem |
Date: | Sat, 24 Apr 2021 14:55:06 -0400 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 |
1. Moved ~/.bashrc to a new name to avoid any improper env var settings. 2. Moved ~/.config/GNU\ RADIOBut I still get errors previously posted. Are there other files gnuradio-companion is looking at that could be the culprit?
Thanks, Mike On 4/24/21 1:04 PM, Mike Markowski wrote:
Thanks for checking, Christophe. I agree that it's strange. I've been away from gnuradio doing some cyclostationary work, so haven't touched any flowgraphs in weeks. I see that my newest flowgraphs were built April 7 and that gnuradio-companion, no doubt after an Ubuntu upgrade, shows a date of April 9.I'll share debugging breakthroughs, but would be glad to hear from others if your GR 3.8.1.0 is or isn't running fine. Most likely, it's my environment since I don't see a flurry of 'me too' notes.Mike On 4/24/21 12:16 PM, Christophe Seguinot wrote:This flowgraph is correctly build under GR 3.9.0.0 (no USRP source to test further)The error is quite strange, I think there is no "len_tag_name" parameter in such a simple flowgraphOn 24/04/2021 16:35, Mike Markowski wrote:I'm running gnuradio companion 3.8.1.0 (Python 3.8.6) on Ubuntu 2020.10. After a few weeks away from gnuradio, today I get errors with the USRP UHD Source, and previously working flowgraphs no longer build. (Previously built flowgraph python files still run fine.) The attached flowgraph doesn't get much simpler, but building yields:Generating: '/home/mm/sdr/fm/uhdTest.py'Generate Error: (NameError("'len_tag_name' is not defined"), 'uhd.usrp_source(\n ",".join((${dev_addr}, ${dev_args})),\n uhd.stream_args(\n cpu_format="${type}",\n[... on and on ...] , uhd.ALL_MBOARDS)\n% else:\n# No synchronization enforced.\n% endif\n') >>> Failure Traceback (most recent call last): File "memory:0x7f3082ab36d0", line 136, in render_bodyFile "/usr/lib/python3/dist-packages/mako/runtime.py", line 106, in __getitem__return compat_builtins.__dict__[key] KeyError: 'len_tag_name' [... still more...] Is anyone else seeing this error? Thanks, Mike
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