Description of problem:

I am trying to workaround the permission denied issues in NFS when a user
belongs to more than 16 supplementary groups. One of the suggested workarounds
is to assign ACLs to the directories. This works fine if I assign an ACL for
each individual user. If I assign an ACL for a group it does not work UNLESS the
user belongs to fewer than 16 groups. 


$ ls -l
drwxr-x---+ 4 data IPTS-142 4096 May 30 09:10 IPTS-142

$ getfacl IPTS-142/
# file: IPTS-142
# owner: snsdata
# group: IPTS-142
user::rwx
group::r-x
group:hfiradmin:r-x
mask::r-x
other::---

$ cd IPTS-142/
-bash: cd: IPTS-142/: Permission denied

$ groups
users test5152005 hfiradmin etc...