> > > On Sun, Jan 13, 2019 at 5:33 AM, Lorenzo Bianconi <lorenzo.bianconi@xxxxxxxxxx> wrote: > > Direct. No VM used. This is the only peripheral causing this issue. > > Is the device connected to a usb3.0 port? If so, could you please try to connect the dongle to a 2.0 one? > > I tried through a USB 2.0 port. Shouldn't make a difference as they both use the xhci driver. > mt76x2u supports scatter-gather on usb 3.0 (not on 2.0) > Could you please double check if IOMMU is enabled? > Have you tried to disable it? Does it make any difference? Regards, Lorenzo > It is. > > Note that this does not happen on kernel 4.15 (Ubuntu's kernel) as mt76 lacks support. > > Regards, Lorenzo > > >
