Date: Sun, 17 Apr 2005 11:20:02 +0100 From: "Gray Lilley" <gray@mistaken-identity.co.uk> To: <tundra@tundraware.com>, <freebsd-stable@freebsd.org> Subject: RE: Enabling HTT On A Uniproc w/4.11-Stable Message-ID: <ACE436445E3CB14DB6B6DF23AB5D72DB8289@magnum.Home.local>
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>From what I understand, p4 2.00ghz processors are not HTT capable? I own =
one and its not capable of hyperthreading.
FWIW, the first p4 that supported HTT was the 2.40C I believe.
Regards,
Graham=20
-----Original Message-----
From: owner-freebsd-stable@freebsd.org =
[mailto:owner-freebsd-stable@freebsd.org] On Behalf Of Tim Daneliuk
Sent: 17 April 2005 09:42
To: freebsd-stable@freebsd.org
Subject: Re: Enabling HTT On A Uniproc w/4.11-Stable
Thanks for the prompt response!
> On Sun, 2005-Apr-17 01:50:51 -0500, Tim Daneliuk wrote:
>
>> How do I enable hyperthreading on a Uniprocessor p4 system.
>> I tried my usual SMP kernel options (SMP and APIC) but, of course, =
>> the kernel cannot find an APIC. I have set the appropriate option =
>> in loader.conf to enable hyperthreading but, No Joy. Should I >> =
use the SMP option alone here?
>
>
>
> You definitely need APIC for SMP and the APIC is part of the iA32 =
spec > so I'm sure you have one somewhere. At a quick guess, I suspect =
you > haven't enabled the APIC in your BIOS - check for an option that =
> allows you to select between PIC and APIC interrupt types.
There seems to be no such option on this MB.
>
> If that's not the problem, we need more information: Motherboard/BIOS =
> type and at least the beginning of a verbose boot (down to about the =
> pci0 probe).
>
Machine is a Gateway
BIOS appears to be Intel - well there is no other BIOS mfg named.
BIOS ID is: PT84510A.15A.0004.P02.0112051220
Here is some of the dmesg - I infer from the Features line that HTT =
means this is hyperthread-enabled:
--------------------------------
FreeBSD 4.11-STABLE #1: Fri Apr 15 03:41:33 CDT 2005
toor@security.tundraware.com:/usr/obj/usr/src/sys/UNI
Timecounter "i8254" frequency 1193182 Hz
CPU: Intel(R) Pentium(R) 4 CPU 2.00GHz (1993.54-MHz 686-class CPU)
Origin =3D "GenuineIntel" Id =3D 0xf24 Stepping =3D 4
Features=3D0x3febfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG=
E,MCA,CMOV,PAT,PSE36,CLFL\M-USH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM>
real memory =3D 536608768 (524032K bytes) avail memory =3D 516800512 =
(504688K bytes) Preloaded elf kernel "kernel" at 0xc052b000.
Warning: Pentium 4 CPU: PSE disabled
VESA: v3.0, 65536k memory, flags:0x1, mode table:0xc0493502 (1000022)
VESA: NVidia
Pentium Pro MTRR support enabled
md0: Malloc disk
Using $PIR table, 13 entries at 0xc00f2ce0
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Intel 82845 Host 4o PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
agp0: <Intel 82845 host to AGP bridge> mem 0xf8000000-0xfbffffff at =
device 0.0 on pci0
--
-------------------------------------------------------------------------=
---
Tim Daneliuk tundra@tundraware.com
PGP Key: http://www.tundraware.com/PGP/
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