Additional data point: the disconnect appears to occur much more frequently when the dongle is *receiving* a lot of stuff, rather than *sending*. Incoming iperf at ~850 Mbps gets the adapter stuck after 5-10s, reliably. Outgoing iperf at ~900 Mbps does not get stuck for 20 minutes now. This, again, points to bug in RX chain?
Additional data point: the disconnect appears to occur much more frequently when the dongle is *receiving* a lot of stuff, rather than *sending*. Incoming iperf at ~850 Mbps gets the adapter stuck after 5-10s, reliably. Outgoing iperf at ~900 Mbps does not get stuck for 20 minutes now. This, again, points to bug in RX chain?