Frank Bax wrote:
...
> 2) is this a problem:
> cpu0: unknown Core FSB_FREQ value 0 (0x41c80000)
...
> cpu0: Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz ("GenuineIntel" 686-class) 1.87 
> GHz

This is one of the newer Intel Core 2 CPU's, with 266 MHz FSB.  There
is support for those in -current, but it didn't make it into 4.0, due to
insufficient testing.

You can try the following patch, which should apply to 4.0 release and
stable.  Note that you won't notice much, except for the message
disappearing.  The bus clock detection is currently only important for
SpeedStep, and that doesn't work yet on MP kernels.


Index: sys/arch/i386/i386/machdep.c
===================================================================
RCS file: /cvs/src/sys/arch/i386/i386/machdep.c,v
retrieving revision 1.364
diff -u -d -p -r1.364 machdep.c
--- sys/arch/i386/i386/machdep.c        20 Aug 2006 01:42:51 -0000      1.364
+++ sys/arch/i386/i386/machdep.c        20 Dec 2006 09:58:39 -0000
@@ -2090,6 +2090,9 @@ p3_get_bus_clock(struct cpu_info *ci)
                case 3:
                        bus_clock = 16666;
                        break;
+               case 0:
+                       bus_clock = 26666;
+                       break;
                case 4:
                        bus_clock = 33333;
                        break;

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