On Thursday 09 August 2018 07:35:33 Christoph Hellwig wrote: > On Wed, Aug 08, 2018 at 10:30:19PM +0200, Ondrej Zary wrote: > > Then it crashes with null-pointer dereference in aha1542_reset. > > Must be the dma_unmap. Updated patch below: No change in behavior, unfortunately. The crash is probably just a result of the bad things that happen before, starting with: scsi host2: Unexpected interrupt -- Ondrej Zary