This bug was fixed in the package zfs-linux - 2.2.2-0ubuntu9

zfs-linux (2.2.2-0ubuntu9) noble; urgency=medium

    - Linux 6.8 support(LP: #2058179)
  * debian/control:
    - add libtirpc-dev as build dependency

 -- John Cabaj <>  Thu, 18 Apr 2024 23:00:06

** Changed in: zfs-linux (Ubuntu Noble)
       Status: In Progress => Fix Released

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  Kernel 6.8 + zfs-2.2.2: copy_file_range Operation Not Supported

Status in Native ZFS for Linux:
  Fix Released
Status in systemd package in Ubuntu:
  Fix Committed
Status in zfs-linux package in Ubuntu:
  Fix Released
Status in systemd source package in Noble:
  Fix Committed
Status in zfs-linux source package in Noble:
  Fix Released

Bug description:
  As per

  ZFS and kernel 6.8 seem to throw EOPNOTSUPP on calling
  copy_file_range, breaking a multitude of applications.

  Upcoming noble (24.04) appears to currently include kernel 6.8 and ZFS

  One notable issue is when running Root on ZFS: systemd-sysusers will
  always fail to create users/groups with the error "Failed to backup
  /etc/{group,passwd}: Operation not supported" due to the call to

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