Package: nfs-kernel-server Version: 1.2.6-4 Architecture: amd64 Please refer to debian bug #585085 ( nfs-kernel-server on amd64 - group permission broken)
This bug still exists on Debian 7. Exactly same symptoms and workaround. kernel version 3.2.0-4-amd64 3.2.60-1+deb7u3 Thanks
