From: Jon Hunter <jonathanh@xxxxxxxxxx> Date: Jul/23/2019, 11:01:24 (UTC+00:00) > This appears to be a winner and by disabling the SMMU for the ethernet > controller and reverting commit 954a03be033c7cef80ddc232e7cbdb17df735663 > this worked! So yes appears to be related to the SMMU being enabled. We > had to enable the SMMU for ethernet recently due to commit > 954a03be033c7cef80ddc232e7cbdb17df735663. Finally :) However, from "git show 954a03be033c7cef80ddc232e7cbdb17df735663": + There are few reasons to allow unmatched stream bypass, and + even fewer good ones. If saying YES here breaks your board + you should work on fixing your board. So, how can we fix this ? Is your ethernet DT node marked as "dma-coherent;" ? --- Thanks, Jose Miguel Abreu
