Re: [PATCH v4 2/2] nvme: allow cmb and pmr to be enabled on same device

[Andrzej Jakowski]

On 7/2/20 3:31 AM, Klaus Jensen wrote:
> Aight, an update here. This only happens when QEMU is run with a virtual
> IOMMU. Otherwise, the kernel is happy.
> 
> With the vIOMMU, qemu also craps out a bit:
> 
> qemu-system-x86_64: vtd_iova_to_slpte: detected slpte permission error 
> (iova=0xfd200000, level=0x2, slpte=0x0, write=0)
> qemu-system-x86_64: vtd_iommu_translate: detected translation failure 
> (dev=03:00:00, iova=0xfd200000)
> 
> So I think we are back in QEMU land for the bug.

Can you share command line for that?