i had problems with xhci driver too. I get "xhci0: wrong trb index (-1956096) max is 255"
I dont know if its relevant. On 05/09/17 13:18, Stefan Sperling wrote: > On Tue, May 09, 2017 at 11:00:26AM +0100, Caolan McMahon wrote: >> uaudio_chan_open: error creating pipe: err=INVAL endpt=0x01 > > The problem is that xhci(4) does not yet support isochronous > transfers which are needed for USB audio devices to work. > http://www.beyondlogic.org/usbnutshell/usb4.shtml#Isochronous > > AFAIK this also affects other devices such as cameras. > > USB disks work because they use bulk transfers. >

