I think this might have been this commit: commit 24132a419c68f1d69eb8ecc91b3c80d730ecbb59 Author: Christoph Hellwig <hch@xxxxxx> Date: Fri Feb 15 09:30:28 2019 +0100 sparc64/pci_sun4v: allow large DMA masks the patch below adds a few missing checks and hopefully should fix your problem. If not can you try to revert the commit to check if my theory was correct to start with?
Yes, reverting this commit makes my T1000 boot. -- Meelis Roos <mroos@xxxxxxxx>