Red Hat Bugzilla – Bug 1291696
Spinner spins forever on Configure->Configuration->Diagnostics->Timelines tab
Last modified: 2015-12-16 07:52:09 EST
There's nothing to fix for 5.5.z regarding this bug. This problem
has been fixed in current 5.5, the symptoms now showing are
in fact a different bug (bug #1272266), which should be resolved for 5.5.z.
I'm closing this one with wontfix.