Please test latest mainline kernel: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.2-rc6/
If latest mainline kernel doesn't work then we need to do a kernel bisection. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1829095 Title: Keyborad backligt does not work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1829095/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs