Other possible reasons:1. NI-XNET driver is unable to place data into a FIFO because it is full. The NI-XNET kernel driver uses a background thread to read data from the output FIFO and send it to the cDAQ chassis. For some reason the NI-XNET kernel driver is not emptying the output FIFO and allowing new data to be inserted. NI-XNET introduced the background kernel thread in the 14.5 release to address other known issues which explain why we don't see these errors before then.2. The C-Series module or cDAQ/cRIO chassis may have been removed from the system either intentionally or through a USB driver issues. Or the chassis had a problem and failed to notify it NI-XNET. After some improvements released in NI-XNET 17.5 version, it is possible to fix this bug. You can download the latest version of NI-XNET from here. 3. This error is also present when the Queue size parameter is not properly configurated for your application. In general, try to following the recommendation from Queue Size.If the previous solutions do not resolve the behavior, please contact National Instruments Support for more assistance.
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