- Audio tests (snd_uaudio(4): Focusrite Scarlett Solo)
- Simplex: OK
- Duplex: OK
- Same vchanrate: OK
- Same vchanrate, one direction of vchans disabled: OK
- Same vchanrate, vchans disabled: OK
- Different vchanrate: BAD (Most likely what's mentioned in the first paragraph of snd_uaudio.4 BUGS)
- Different vchanrate, one direction of vchans disabled: BAD (see above)
- Different vchanrate, vchans disabled: BAD (see above)
- Benchmark: `for i in $(seq 1 X); do cat /dev/random >/dev/dsp & done`