I can confirm on a Lenovo M920S and Lenovo Thinkpad X1 Carbon, both with 18.04.3 and zfs package version 0.7.5-1ubuntu16.6
See https://github.com/zfsonlinux/zfs/issues/9147#issuecomment-539055281
I can confirm on a Lenovo M920S and Lenovo Thinkpad X1 Carbon, both with 18.04.3 and zfs package version 0.7.5-1ubuntu16.6
See https:/ /github. com/zfsonlinux/ zfs/issues/ 9147#issuecomme nt-539055281