ZFS is broken in 24.04

**ant-starikov** · 4 Weeks Ago

anything which involved copy_file_range syscall (which is a LOT of things) will fail if it is on ZFS.
https://github.com/openzfs/zfs/issues/15930
https://github.com/zabbly/zfs/commit...ccbd0012920af4

particularly it will kill things like PHP. ruby and most of other scripting stuff.

example from strace of php:

Code:

copy_file_range(5, NULL, 6, NULL, 9223372036854775807, 0) = -1 EOPNOTSUPP (Operation not supported)

at least, this is what I see on 6.8.0-22-generic.

**ant-starikov** · 4 Weeks Ago

Sorry, somehow duplicated threads and can't find how to remove one.

**deadflowr** · 4 Weeks Ago

I've removed your other duplicate thread.
Please use the report post button in the future if it happens again.
Or to simply report any other issues you come across.

**ant-starikov** · 3 Weeks Ago

Anyway, I backported fix and pushed branch with proposed change. Rest is on maintainers of zfs-linux package.

**ant-starikov** · 3 Weeks Ago

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/ubu...urce/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

**MAFoElffen** · 3 Weeks Ago

But the fix was released in Ubuntu 5 days ago, right? 4/5/2024: https://bugs.launchpad.net/ubuntu/+s...w/+bug/2054682

**Phoenixxl** · 2 Weeks Ago

Installed 24.04 ubuntu-server-minimal with ZFS boot & root using minimally adapted 22.04 instructions from OpenZFS.
This process failed before -31 but now works.

https://github.com/openzfs/zfs/discussions/16120