On 10/29/20 5:01 PM, Jason Gunthorpe wrote: > On Thu, Oct 29, 2020 at 05:54:22PM -0400, Dennis Dalessandro wrote: >> Just a heads up, 5.10-rc1 is broken for rdmavt/hfi1 after: >> >> e0477b34d9d11 "(RDMA: Explicitly pass in the dma_device to >> ib_register_device)" >> >> Running with that change causes the call trace below. Reverting the patch >> works around the problem. I haven't yet had a chance to look at what the >> actual cause is, but will and follow up with a proposed patch hopefully >> soon. > > Test this: > > https://lore.kernel.org/linux-rdma/20201028173108.GA10135@xxxxxx/T/#mde105a810fb9d2bf734554f3a9875468184dd96c > > Jason > This the same issue I found. I ended up just using DMA_BIT_MASK(64) as was suggested.