Description of problem: This is with the latest F16 beta, fully updated. Steps to Reproduce: 1. as root: usermod -a -G wheel akozumpl 2. logout, login again as akozumpl 3. $ groups Actual results: akozumpl Expected results: akozumpl wheel Additional info: I did the 'usermod' step yesterday before doing 'yum update'. It was after 'yum update' when 'groups' stopped working correctly (I can still see my name with 'wheel' in /etc/groups).
I don't think it has anything to do with groups command - groups (and id -Gn) is just using getgroups(2) from glibc. So it might be issue with glibc or shadow-utils - let's try shadow-utils first. Peter, feel free to reassign it if you thing that the issue is on different place.
*** This bug has been marked as a duplicate of bug 745675 ***