On 10/15/20 12:48 AM, Christoph Hellwig wrote: > On Sun, Oct 11, 2020 at 05:53:37AM +1100, Stephen Rothwell wrote: >> Hi Naresh, >> >> Just adding Christoph and Jim to cc] > > Well, a Cc doesn't help on its own. Can you send an actual bug > report including the setup, warnings and error messages, a bisection > result and the usual suspects? I don't believe there is a DMA regression for you to look at, this was solved a long time ago thanks to Robin, here is the beginning of the thread: https://lore.kernel.org/lkml/CA+G9fYvuq58q+GsWnzni0sKSHbubuQz-UaK3TASX26V_a7yBVw@xxxxxxxxxxxxxx/ -- Florian