Subject: Re: kern/36995: ENHANCED_SPEEDSTEP dangerous on newer Core 2 Duo
To: None <gnats-bugs@NetBSD.org>
From: Alan Barrett <apb@cequrux.com>
List: netbsd-bugs
Date: 09/17/2007 12:46:27 
On Mon, 17 Sep 2007, jmcneill@invisible.ca wrote:
> Proper fix: Unknown; is there a feature flag we can check when we
> calculate est frequencies to ignore the highest value?

Even without a feature flag, it seems that we have enough information to
detect this situation.  I'll highlight two items from your dmesg output:

> cpu0: Intel(R) Core(TM)2 Duo CPU     T7100  @ 1.80GHz, 1795.65 MHz
                                                         ^^^^^^^^^^^

> cpu0: Enhanced SpeedStep (1420 mV) 2000 MHz
                                     ^^^^^^^^

--apb (Alan Barrett)