https://bugs.freedesktop.org/show_bug.cgi?id=38488
--- Comment #9 from Harald Judt h.judt@gmx.at 2011-06-23 12:55:28 PDT --- Yes, but it gets even stranger:
Do hibernate & resume --> power_profile does not work, radeon_pm_info messed up. *Now* do suspend & resume --> power_profile works again, radeon_pm_info too! So what can be wrong here?