What does cat /sys/devices/system/cpu/cpu0/cpufreq/ondemand/ignore_nice_load say? If this is set to 1, and the ray tracer is running nice, that would explain it.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/726188 Title: AMD Phenom II CPU Frequency Scaling -bug -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
