On Wed, Mar 02, 2022 at 08:15:03AM -0500, Boris Ostrovsky wrote: > Not for me, I fail to boot with > > [ 52.202000] bnxt_en 0000:31:00.0: swiotlb buffer is full (sz: 256 bytes), > total 0 (slots), used 0 (slots) > > (this is iscsi root so I need the NIC). > > > I bisected it to "x86: remove the IOMMU table infrastructure" but haven't > actually looked at the code yet.
That looks like the swiotlb buffer did not get initialized at all, but I can't really explain why. Can you stick in a printk and see if xen_swiotlb_init_early gets called at all?
