Indeed, I have no way of reproducing reliably, unfortunately. I've installed the PPA your provided (thanks!):
# dmesg | grep ZFS [ 18.284162] ZFS: Loaded module v0.8.3-1ubuntu12.5~lp1900889, ZFS pool version 5000, ZFS filesystem version 5 So far, no problem to report and I'll let you know how it goes over the next few days. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1900889 Title: BUG: kernel NULL pointer dereference, address: 0000000000000000 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1900889/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs