https://marc.info/?l=openbsd-misc&m=149408763225691&w=2
On 05/09/17 23:09, G wrote: > 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. >> >

