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 ** Bug watch added: Github Issue Tracker for ZFS #9147 https://github.com/zfsonlinux/zfs/issues/9147 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1840161 Title: Very severe regression in ZFS 0.7.12 in 18.04.3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1840161/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
