From: Robin Murphy > Sent: 09 October 2017 18:39 ... > > - without the IOMMU, block sizes >=128K all settle down into a > > suspiciously-periodic error every 2048 sectors. That stinks of being a problem where either the link TRB is part way through a USB packet or where a buffer fragment crosses a 64k boundary. Neither is allowed. David ��.n��������+%������w��{.n�����{���)��jg��������ݢj����G�������j:+v���w�m������w�������h�����٥