Re: [BUG BISECT] Ethernet fail on VF50 (OF: Don't set default coherent DMA mask)

From: Christoph Hellwig
Date: Mon Jul 30 2018 - 05:18:54 EST

On Sat, Jul 28, 2018 at 09:58:20AM -0700, Guenter Roeck wrote:
> I would call it a serious regression. Also, no longer setting a default
> coherent DMA mask is a quite substantial behavioral change, especially
> if and since the code worked just fine up to now.
> Crash when booting sam460ex attached below, as is a bisect log.

Things should be ok again with:

commit a5516219b10218a87abb3352c82248ce3088e94a
Author: Robin Murphy <robin.murphy@xxxxxxx>
Date: Fri Jul 27 15:14:15 2018 +0100

of/platform: Initialise default DMA masks

from the lastest dma-mapping tree as of Friday. It isn't in the
latest linux-next tree yet but be in the next one.