On 3/11/19 7:27 AM, O'Connor, Daniel wrote: > I just realised I can check procstat for open file, derp. > > [maarsytest 6:26] ~> procstat -f 2324|grep 0.5.0| wc > 64 640 4928 > > So I guess that is why it is giving ENOMEM, I'm leaking FDs! That looks like a bug in your application?? Which USB API are you using? --HPS