A good example of someone else hitting this issue can be seen here: https://bugzilla.kernel.org/show_bug.cgi?id=218195 This issue was brought onto the LKML here: https://lore.kernel.org/lkml/a106fb4733d0a3f0d6d5792705cdb5cee13731f8.camel@xxxxxxxxxxxxxxx/T/ Srinivas would have more info here, but I do not have his email so I can't CC him on this. > > To work around this, provide a new kernel parameter, "ignore_osc_cppc_bit", > > which may be used to ignore the _OSC CPPC v2 bit and act as if the bit was > > enabled. This allows CPPC to be properly detected even if not "enabled" by > > _OSC, allowing users with problematic hardware to obtain decent single-core > > performance.
