Public bug reported:
As per https://github.com/openzfs/zfs/issues/15930
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
2.2.2.
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
copy_file_range.
** Affects: zfs-linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2058179
Title:
copy_file_range Operation Not Supported
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