Anybody who wants fix right now can do git clone -b linux_6.8_compat_splice_copy_file_range_fallback https://git.launchpad.net/~antst/ubuntu/+source/zfs-linux cd zfs-linux dpkg-buildpackage -rfakeroot --no-sign -b
it will build all related packages, then install locally built zfs-dkms package as apt install ./zfs-dkms_2.2.2-0ubuntu8_all.deb -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/2058179 Title: Kernel 6.8 + zfs-2.2.2: copy_file_range Operation Not Supported Status in Native ZFS for Linux: Fix Released Status in zfs-linux package in Ubuntu: Confirmed Bug description: 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. To manage notifications about this bug go to: https://bugs.launchpad.net/zfs/+bug/2058179/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp