The current glibc in rawhide causes things to crash left and right for normal
users. Examples are Xorg and su.
Glibc version is 2.5.90-2
I downgraded to FC6's glibc (2.5-3) which got things back up again.
Please fix asap as the system is completely unusable with current glibc.
*** This bug has been marked as a duplicate of 212723 ***