On 20 September 2015 at 17:36, Alexandre Ratchov <a...@caoua.org> wrote: > hi, > > Support for USB controllers and hubs is still incomplete. Basically > in the following cases isochronous transfers (used by audio devices) > don't work. > > - ehci controllers with hubs between a usb-1.1 device and the > controller doesn't work (bug causes packet corruption). It > somewhat works if there's only one device on the hub and no > full-duplex is used. > > - xhci doesn't work at all for audio. > > according to your dmesg: > > uhub0 at usb0 "Intel xHCI root hub" rev 3.00/1.00 addr 1 > uhub3 at uhub0 port 10 "GenesysLogic USB2.0 Hub" rev 2.00/48.46 addr 5 > uhub4 at uhub3 port 4 "Genesys Logic USB2.0 Hub" rev 2.00/32.98 addr 6 > uaudio0 at uhub4 port 3 configuration 1 interface 0 "CONEXANT > > the device is attached to xhci. > > So try to find a port of the ehci root hub, if you can't then try > at least to find a port connected to ehci and disable full-duplex > (add "-m play" before "-f rsnd/1"). Possibly disable xhci (try > "boot -c" on the boot prompt), in which case it will show as ehci.
Hi, Thanks for the suggestions. No luck finding a port connected to ehci root hub so I think I'll just run the unit outside of the screen dock and use the built in audio for now. Thanks again, Mark > -- Alexandre
