On 20 March 2017 at 22:27, Dave New <[email protected]> wrote: > > I haven't been tinkering with grc for a while, but I've booted the Ubuntu system now and then and taken any system updates offered. > > Apparently, something broke. Now, whenever I try to execute any of my grc saved files, it always quits with the following error: > > ImportError: /usr/lib/x86_64-linux-gnu/libgnuradio-osmosdr.so.0.1.5git: undefined symbol: _ZN3uhd6device4findERKNS_13device_addr_tE
This is an issue with a missing symbol in the UHD driver (for USRP hardware). Do you have the USD packages installed? (check with 'dpkg -l | grep uhd') > > I did a Google search, and found a conversation from last year about library issues, but nothing that seemed to point out to me just how to go about correcting this. Maybe I'll have to bite the bullet and uninstall all of the gnuradio stuff and re-install? AFAIK, it was all done using the Ubuntu package manager. PyBOMBS is not installed on this machine (yet). > > I'd like to be able to keep this stuff running without having to jump into the arcane dependencies that can crop up now and then. Would re-installing using PyBOMBS give me the least headache, or just a different bunch of challenges? I generally find the Ubuntu packages are up to date enough for everything I want to do. I do, however, build my own libhackrf, but that's mostly because I'm working on it. If you're not likely to modify the GNU Radio code or HackRF code, then installing from the Ubuntu repositories should be sufficient, if mildly out of date. Dominic
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