Just tested with kernel 3.0.0-17, the same that machine B is using (although on machine C it's a 64-bit kernel), and the issue remains, the userids are all mapped to anonymous. So it must not be a kernel issue...
Just tested with kernel 3.0.0-17, the same that machine B is using (although on machine C it's a 64-bit kernel), and the issue remains, the userids are all mapped to anonymous. So it must not be a kernel issue...