On Wed, 5 Dec 2018 14:41:30 +0100, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> When using these options, I do see a slowdown in early boot, but the issue
> is still there.
Hmm, the NIC of the board is NE2000 variants, so DMA coherency will
not be an issue anyway. So strange ...
The board has a PCI slot. If you had an legacy PCI NIC card, trying
with it might help finding the bug.
> My next guess is an unaligned access not using {get,put}_unaligned(), which
> doesn't seem to work on tx4927, but doesn't cause an exception neither.
IIRC, TX49 can raise an exception on unaligned access.
---
Atsushi Nemoto
