Pico W sometimes hangs inside hid_device_request_can_send_now_event(). #818
Description
Reported by h0ly0 from Discord:
This has been an issue for a while. Recently it has been narrowed down to hid_device_request_can_send_now_event() never returning. But we have no visibility into that.
Symptoms:
Once the Pico hangs, it continues to respond to serial commands since that runs on core 0. But the wireless is frozen and it cannot change to another controller since core 1 is hung. The only way to clear it is to power cycle the Pico.
Repo Steps:
Currently unknown, though the reporters says it happens randomly in Auto DA. It also happens with multiple Picos - thus it's not a defective Pico. Unconfirmed by anyone else though.