How do I turn off hyperthreading on 6.0 ?

[Pete French]

> If you look at top(1), which processors do you see actually running
> processes?

Errr, 0, 1, 2 and 3!

That was my first clue that it hadn't worked as advertised!

------------------------------------------------

last pid:  2529;  load averages:  0.53,  0.49,  0.34    up 0+00:19:50  19:35:04
62 processes:  1 starting, 1 running, 60 sleeping
CPU states:  1.4% user,  0.0% nice,  0.2% system,  0.1% interrupt, 98.3% idle
Mem: 84M Active, 182M Inact, 135M Wired, 184K Cache, 112M Buf, 3111M Free
Swap: 4096M Total, 4096M Free

  PID USERNAME  THR PRI NICE   SIZE    RES STATE  C   TIME   WCPU COMMAND
 1814 webadmin    1  20    0  8016K  5972K lockf  1   0:01  0.10% httpd
  717 root       11  96    0 76388K 57168K ucond  3   1:57  0.00% mysqld
  723 webadmin    1  20    0  8096K  6032K lockf  0   0:03  0.00% httpd
  719 webadmin    1   4    0  8104K  6052K sbwait 1   0:03  0.00% httpd
  722 webadmin    1  20    0  8100K  6024K lockf  0   0:03  0.00% httpd
  721 webadmin    1   4    0  8100K  6040K sbwait 2   0:03  0.00% httpd
  718 webadmin    1   4    0  8096K  6048K sbwait 2   0:03  0.00% httpd
  735 webadmin    1   4    0  8104K  6060K sbwait 2   0:03  0.00% httpd
  736 webadmin    1  20    0  8096K  6044K lockf  0   0:03  0.00% httpd
  732 webadmin    1  20    0  8096K  6044K lockf  0   0:03  0.00% httpd
  935 webadmin    1   4    0  8092K  6036K sbwait 2   0:03  0.00% httpd
  720 webadmin    1  20    0  8092K  6032K lockf  0   0:03  0.00% httpd
  739 webadmin    1  20    0  8232K  6164K lockf  3   0:03  0.00% httpd
  724 webadmin    1   4    0  8104K  6060K sbwait 0   0:02  0.00% httpd
  733 webadmin    1   4    0  8092K  6036K sbwait 1   0:02  0.00% httpd
  737 webadmin    1  96    0  8092K  6044K select 0   0:02  0.00% httpd
  740 webadmin    1   4    0  8092K  6052K sbwait 1   0:02  0.00% httpd