Hi Krzysztof, On Tue, Jul 2, 2019 at 9:13 AM Krzysztof Kozłowski <k.kozlowski.k@xxxxxxxxx> wrote: > > Hi, > > Bisect pointed commit: > commit 002905eca5bedab08bafd9e325bbbb41670c7712 > Author: Peng Ma <peng.ma@xxxxxxx> > Date: Thu Jun 13 10:27:08 2019 +0000 > dmaengine: fsl-edma: support little endian for edma driver > > as a reason of NFSv4 root boot failures. Toradex Colibri VF50 (Cortex > A5) on Toradex Iris board. > > The user-space starts but hangs - a lot of messages are missing or > seriously delayed. > > Please revert the patch of fix it. If needed I can provide more > details about test system - let me know. > > Full log attached. Does this fix the problem? --- a/arch/arm/boot/dts/vfxxx.dtsi +++ b/arch/arm/boot/dts/vfxxx.dtsi @@ -92,6 +92,7 @@ clock-names = "dmamux0", "dmamux1"; clocks = <&clks VF610_CLK_DMAMUX0>, <&clks VF610_CLK_DMAMUX1>; + big-endian; status = "disabled"; }; @@ -491,6 +492,7 @@ clock-names = "dmamux0", "dmamux1"; clocks = <&clks VF610_CLK_DMAMUX2>, <&clks VF610_CLK_DMAMUX3>; + big-endian; status = "disabled"; }; I am not saying this is the proper fix as we should not break old dtb's.