Re: virtio-blk issue with vIOMMU

2022-02-23 Thread Stefan Hajnoczi
On Wed, Feb 23, 2022 at 12:37:03PM +0800, Jason Wang wrote: > Hi Stefan: > > Recently I found intel vIOMMU gives the following warning when using > virtio-blk: > > qemu-system-x86_64: vtd_iova_to_slpte: detected slpte permission error > (iova=0x7ffde000, level=0x3, slpte=0x0, write=0) > qemu-syst

virtio-blk issue with vIOMMU

2022-02-22 Thread Jason Wang
Hi Stefan: Recently I found intel vIOMMU gives the following warning when using virtio-blk: qemu-system-x86_64: vtd_iova_to_slpte: detected slpte permission error (iova=0x7ffde000, level=0x3, slpte=0x0, write=0) qemu-system-x86_64: vtd_iommu_translate: detected translation failure (dev=01:00