Messages in this thread | | | From | Jose Abreu <> | Subject | RE: [PATCH net-next 3/3] net: stmmac: Introducing support for Page Pool | Date | Tue, 23 Jul 2019 10:07:51 +0000 |
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From: Jon Hunter <jonathanh@nvidia.com> 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
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