--- ./work/qemu-2.3.0/hw/usb/hcd-xhci.c.orig 2016-08-22 16:07:30.877585000 +0200 +++ ./work/qemu-2.3.0/hw/usb/hcd-xhci.c 2016-08-22 16:08:19.240109000 +0200 @@ -1748,6 +1748,11 @@ static void xhci_xfer_report(XHCITransfe unsigned int chunk = 0; switch (TRB_TYPE(*trb)) { + case TR_SETUP: + chunk = trb->status & 0x1ffff; + if (chunk > 8) + chunk = 8; + break; case TR_DATA: case TR_NORMAL: case TR_ISOCH: