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 Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1853192 Title: Please add patch fixing RK818 ID detection Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: In Progress Status in linux source package in Disco: In Progress Status in linux source package in Eoan: In Progress Status in linux source package in Focal: In Progress Bug description: Hi, Please add this upstream patch to ubuntu kernel: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux- next.git/commit/?id=37ef8c2c15bdc1322b160e38986c187de2b877b2 It fixes detection of RK818 pmic. Without it ubuntu hangs at boot. Cheers Paweł Jarosz To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853192/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp