RE: [PATCH 1/2] stmmac: introduce flag to dynamically disable TX offload for rockchip devices

From: Jose Abreu
Date: Mon Apr 15 2019 - 04:15:37 EST

From: Leonidas P. Papadakos <papadakospan@xxxxxxxxx>
Date: Fri, Apr 12, 2019 at 12:13:52

> > Can you please share the stacktrace here ? I can't access pastebin
> > due to
> > corporate policy.
> This happens seconds after I change the MTU. I remember it used to
> happen with 1500 as well, before the gmac tweaks. It makes sense

Notice that incorrect settings of PBL can cause Queue timeout. Can you
try with PBL = 0x1 and no-pbl-x8 and let me know if the timeout still

> When you say FIFO size, is that related to the tx/rx_delay?

No, FIFO size is the Queue FIFO size that stores packets after DMA
fetches them.

Jose Miguel Abreu