nforce2 vs. apic

Andrew J Caines A.J.Caines at
Thu Sep 23 14:14:48 PDT 2004


> I have nforce2-based motherboard Abit NF7 and run 5.2.1-RELEASE on that
> system. I have tried to enable APIC by compiling kernel with 'device
> apic' (both with and without SMP option, although this is a UP system),
> but system just freezes during boot with it. Everything works pretty
> well without APIC, I was just curious about getting it to work.

Yesterday I gave APIC a try on my nForce2 based K7 Triton GA-7N400-L
single processor motherboard while fighting a video problem and with APIC
booted 5.3-BETA5 fine (but didn't fix my problem). In case it makes any
difference, I loaded the module from the bootloader.

FreeBSD 5.3-BETA5 #0: Tue Sep 21 05:54:46 EDT 2004
toor at
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(tm) XP 2600+ (1913.20-MHz 686-class CPU)
Origin = "AuthenticAMD"  Id = 0x6a0  Stepping = 0
AMD Features=0xc0400000<AMIE,DSP,3DNow!>
real memory  = 1073676288 (1023 MB)
avail memory = 1045377024 (996 MB)
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <Nvidia AWRDACPI> on motherboard
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf0-0xcf3,0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <NVIDIA nForce2 AGP Controller> mem 0xe0000000-0xe3ffffff at device 0.0 on pci0

I didn't try any APIC specific features.

| -Andrew J. Caines-   Unix Systems Engineer   A.J.Caines at  |
| "They that can give up essential liberty to obtain a little temporary |
|  safety deserve neither liberty nor safety" - Benjamin Franklin, 1759 |

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