This might be user error, but I seem to still be running into issues with docker and this.
I'm on the latest kernel and zfs versions: zfs --version: zfs-2.2.2-0ubuntu9 zfs-kmod-2.2.2-0ubuntu7 uname -r: 6.8.0-28-generic [00:41:58 ERROR]: Encountered an unexpected exception org.spongepowered.configurate.ConfigurateException: []: java.io.IOException: Operation not supported at org.spongepowered.configurate.loader.AbstractConfigurationLoader.save(AbstractConfigurationLoader.java:205) ~[configurate-core-4.2.0-SNAPSHOT.jar:?] at io.papermc.paper.configuration.Configurations.trySaveFileNode(Configurations.java:111) ~[paper-1.20.4.jar:git-Paper-488] at io.papermc.paper.configuration.Configurations.initializeGlobalConfiguration(Configurations.java:136) ~[paper-1.20.4.jar:git-Paper-488] at io.papermc.paper.configuration.Configurations.initializeGlobalConfiguration(Configurations.java:106) ~[paper-1.20.4.jar:git-Paper-488] at io.papermc.paper.configuration.PaperConfigurations.initializeGlobalConfiguration(PaperConfigurations.java:198) ~[paper-1.20.4.jar:git-Paper-488] at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:209) ~[paper-1.20.4.jar:git-Paper-488] at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1131) ~[paper-1.20.4.jar:git-Paper-488] at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319) ~[paper-1.20.4.jar:git-Paper-488] at java.lang.Thread.run(Thread.java:1583) ~[?:?] Caused by: java.io.IOException: Operation not supported at sun.nio.fs.LinuxNativeDispatcher.directCopy0(Native Method) ~[?:?] at sun.nio.fs.LinuxFileSystem.directCopy(LinuxFileSystem.java:159) ~[?:?] at sun.nio.fs.UnixFileSystem.copyFile(UnixFileSystem.java:682) ~[?:?] at sun.nio.fs.UnixFileSystem.copy(UnixFileSystem.java:1060) ~[?:?] at sun.nio.fs.UnixFileSystemProvider.copy(UnixFileSystemProvider.java:300) ~[?:?] at java.nio.file.Files.copy(Files.java:1304) ~[?:?] at org.spongepowered.configurate.loader.AtomicFiles.atomicBufferedWriter(AtomicFiles.java:85) ~[configurate-core-4.2.0-SNAPSHOT.jar:?] at org.spongepowered.configurate.loader.AtomicFiles.lambda$atomicWriterFactory$0(AtomicFiles.java:58) ~[configurate-core-4.2.0-SNAPSHOT.jar:?] at org.spongepowered.configurate.loader.AbstractConfigurationLoader.save(AbstractConfigurationLoader.java:188) ~[configurate-core-4.2.0-SNAPSHOT.jar:?] ... 8 more -- 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 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 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