Note that the riscv64 patch is also missing from Focal (20.04), and the package also fails to build there. Upstream included initial support in zfs-2.0.0, so newer Ubuntu releases should have it by default:
$ git describe --contains 4254e407294b211f3399da2ee131b45fe9f4ac80 zfs-2.0.0-rc1~665 ** Also affects: zfs-linux (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: zfs-linux (Ubuntu Focal) Importance: Undecided Status: New ** Changed in: zfs-linux (Ubuntu) Status: New => Fix Released ** Changed in: zfs-linux (Ubuntu Bionic) Status: New => Confirmed ** Changed in: zfs-linux (Ubuntu Focal) Status: New => Confirmed ** Changed in: zfs-linux (Ubuntu Bionic) Importance: Undecided => Medium ** Changed in: zfs-linux (Ubuntu Focal) Importance: Undecided => Medium -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/2016881 Title: Building for Focal fails on riscv64 Status in zfs-linux package in Ubuntu: Fix Released Status in zfs-linux source package in Bionic: Confirmed Status in zfs-linux source package in Focal: Confirmed Bug description: Building zfs-linux for riscv64 fails on Ubuntu 18.04. There is a single patch missing: https://github.com/openzfs/zfs/commit/4254e407294b211f3399da2ee131b45fe9f4ac80 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/2016881/+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