Ubuntu Ethernet connection unavailable

isle

please refer : https://gitlab.com/TeeFirefly/li ... b790c9f88dfc08fc1e5
you need make the kernel.img and update it.
http://wiki.t-firefly.com/index. ... 399/Build_kernel/en

isle

oh, please unpack the version of  201705111112.img .that is the latest firmware.

isle

please flash these images with the tool "upgrade_tool" in linux
http://wiki.t-firefly.com/index. ... lash_image/en#Linux

isle

try this:
http://pan.baidu.com/s/1c1UMMJm

isle

Does the firmware from "http://pan.baidu.com/s/1c1UMMJm" work?

isle

Black screen? did the firmware from google driver have the same issue?
we (with some customers in china ) do not have that issue.
please put the Xorg log here.

isle

Oh, I havn't find any error in your Xorg log,
maybe you should try to restart the desktop  by "sudo service lighdtm restart"

isle

Hi, that is a hardware issue.
the argument of "rx_delay" works in some batches ,but no in  other's  .
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-firefly-linux.dts b/arch/arm64/boot/dts/rockchip/rk3399-firefly-linux.dts
index 2e8466b..da0956e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-firefly-linux.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-firefly-linux.dts
@@ -423,7 +423,7 @@
        pinctrl-names = "default";
        pinctrl-0 = <&rgmii_pins>;
        tx_delay = <0x28>;
-       rx_delay = <0x11>;
+       rx_delay = <0x1B>;
        status = "okay";
};