Hi Jens, On 2024-06-03 8:37 pm, Jens Glathe wrote:
Hi Robin, an observation from 6.10-rc1: On sc8280xp (Lenovo X13s, Windows Dev Kit 2023), when booted to EL2 with the arm-smmuv3 under control of Linux, it fails to set up DMA transfers to nvme. My box boots from nvme, so I only got a black screen. @craftyguy booted from USB, and got this:
Indeed, I see there's a dma-ranges property with a base of 0 in that DT, so all manner of hilarity may ensue. The fix is here, just waiting to be picked up:
https://lore.kernel.org/linux-iommu/159193e80b6a7701c61b32d6119ac68989d457bd.1716997607.git.robin.murphy@xxxxxxx/ Thanks, Robin.
