Hi Po-Hsu, I have managed to boot ubuntu bionic kernel. it took fresh install of ubuntu 18.04 rootfs to boot. Bootlog is in the attachment.
In bootlog there is line: [ 1.677996] rk808 0-001c: chip id: 0x8180 Kind Regards, Paweł ** Attachment added: "bootlog" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853192/+attachment/5306719/+files/pipo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1853192 Title: Please add patch fixing RK818 ID detection To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853192/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs