Newer kernels with the above patch, i would appreciate if you could give it a shot:
linux-buildinfo-4.15.0-1048-snapdragon-edge_4.15.0-1048.51~lp1814982_arm64.deb linux-headers-4.15.0-1048-snapdragon-edge_4.15.0-1048.51~lp1814982_arm64.deb linux-image-4.15.0-1048-snapdragon-edge_4.15.0-1048.51~lp1814982_arm64.deb linux-modules-4.15.0-1048-snapdragon-edge_4.15.0-1048.51~lp1814982_arm64.deb -- 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/1814982 Title: efi/arm/arm64: Allow SetVirtualAddressMap() to be omitted Status in linux package in Ubuntu: Confirmed Status in linux source package in Bionic: Confirmed Status in linux source package in Cosmic: Confirmed Status in linux source package in Disco: Confirmed Bug description: [Impact] The Ubuntu kernel is not currently bootable on various arm64 laptops (HP Envy x2, Asus NovaGo, Lenovo Miix 630, Lenovo Yoga C630, Samsung ...) because of EFI memory permissions/restrictions. The reason is explained in the commit supplied below. [Test Case] Install and boot Ubuntu on one of the above arm64 laptops. [Fix] Committed upstream: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=4e46c2a956215482418d7b315749fb1b6c6bc224 [Regression Risk] This commit adds support for an optional kernel command line parameter so there is minimal to no risk. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1814982/+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
