On Wed, 2023-09-27 at 11:55 +0200, Joerg Roedel wrote: > Hi Niklas, > > On Wed, Sep 27, 2023 at 10:55:23AM +0200, Niklas Schnelle wrote: > > The problem is that something seems to be broken in the iommu/core > > branch. Regardless of whether I have my DMA API conversion on top or > > with the base iommu/core branch I can not use ConnectX-4 VFs. > > Have you already tried to bisect the issue in the iommu/core branch? > The result might sched some light on the issue. > > Regards, > > Joerg Hi Joerg, Working on it, somehow I must have messed up earlier. It now looks like it might in fact be caused by my DMA API conversion rebase and the "s390/pci: Use dma-iommu layer" commit. Maybe there is some interaction with Jason's patches that I haven't thought about. So sorry for any wrong blame. Thanks, Niklas