This is just plain WRONG. The issue is NOT the kernel, upstream or otherwise. I am using 5.17.7 compiled directly from kernel source off of kernel.org, and was using the SAME kernel under 20.04.
The issue was your new configuration file, /etc/nfs.conf, that did not exist prior to 22.04, and thus I had no reason to look for it, having UDP disabled by default even for versions 2 and 3 of NFS which makes ZERO sense as version 2 and 3 of NFS did not support TCP. Once I was made aware of this conf file by you simply turning version 2 and UDP on resolved my issues. You can close this bug if you like but having udp = n by default in this conf file is dumb, the current upstream kernel supports it just fine. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1973101 Title: After upgrade to 22.04 NFS exports for vers 2 and 3 no longer work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nfs-utils/+bug/1973101/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs