https://bugzilla.kernel.org/show_bug.cgi?id=90861
--- Comment #5 from Jon Arne Jørgensen jonjon.arnearne@gmail.com --- I reproduced the panic when I tried to suspend when radeon was loaded without radeon.dpm=1.
I was _not_ able to reproduce the panic with kernel-3.10.0-rc7 that I had lying around in my /boot directory.