AnsweredAssumed Answered

second ethernet port do not work arfter suddenly power down

Question asked by Mingyang Liu on Nov 8, 2018
Latest reply on Nov 13, 2018 by Mingyang Liu

i have both 6ul/6ull board and they all have two etherent port using lan8720a phy.

linux kernel i have tried 4.15/4.4.

After warm reboot, the second ethernet port works well.

But after cold reboot,the second ethernet port do not work


i have known that it's a power-on sequence problem.But i'm a beginner of linux,i do not know what to do next.

Can someone tell me how to check about it?