Package: nfs-kernel-server
Version: 1:1.3.4-2.1
uname -a
Linux 4.9.0-3-amd64 #1 SMP Debian 4.9.30-2+deb9u2 (2017-06-26) x86_64 GNU/Linux
After upgrading jessie to stretch NFS version 2 is not working.
stretch:
cat /proc/fs/nfsd/versions
-2 +3 +4 +4.1 +4.2
jessie:
cat /proc/fs/nfsd/versions
+2 +3 +4 +4.1 -4.2
Same problem have fedora:
http://forums.fedoraforum.org/showthread.php?t=294148