Re: GR 3.8 overflow, dropped samples with 2 channels from B210

2020-01-20 Thread Michael Wentz
After a bit of digging and comparing to 3.7, it seems like this is due to a regression in gr-runtime introduced in 254fe5e, specifically in tpb_thread_body.cc with the BLKD_IN case and 250 ms timed_wait. I put some debug statements in the work function of the usrp_source and discovered that when I

GR 3.8 overflow, dropped samples with 2 channels from B210

2020-01-19 Thread Michael Wentz
Hi, I recently updated to GNU Radio 3.8 and noticed some code that receives 2 channels from a B210 is now always printing a single overflow (O) followed by two drops (DD) right after the flowgraph starts. This happens regardless of the sample rate and only when using 2 channels. It also doesn't ha