4.15.0-32 (Ubuntu 18.04)
5.4.0-48 (Ubuntu 20.04)
vanilla linux 5.4.0 (ZFS + ldiskfs)
+ vanilla linux 5.4.21 (ZFS + ldiskfs)
+ vanilla linux 5.4.136 (ZFS + ldiskfs)
* ldiskfs needs an ldiskfs patch series for that kernel, ZFS does not
* Client primary kernels built and tested during release cycle:
3.10.0-1062.18.1.el7 (RHEL7.7)