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issue openedEttusResearch/uhd

B210 streaming mode broken with UHD-4.1

Issue Description

B210 stop streaming after an overflow occurs.

Setup Details

GNU Radio UHD source module using B210 in streaming mode.

Expected Behavior

With UHD-3.15.LTS, the receiver will continue to work even overflow occurs once in a while.

Actual Behaviour

With UHD-4.1, the receiver will pause/stop because of not receiving any more IQ samples. Sometime the receiver even failed to start due to overflow immediately in the beginning.

Additional Information

These two commits break the current B210 behavior.

  • b200: temporary change to remove stream restart after overflow (https://github.com/EttusResearch/uhd/commit/0326bdcc964917501bb0111d3ce65467edb437f3)
  • b200: flush receive buffer after getting an overflow (https://github.com/EttusResearch/uhd/commit/78ec29b6becd53f79a0ae282ae22c38bedb887d1)

created time in 2 months