Re: 6.2-RELEASE does not use second CPU on pentium D

[Steven Hartland]

6.2 is really quite old now, does 7.x or even 8.x work?

Regards
Steve
----- Original Message -----
From: "Alex Povolotsky" <tar...@webmail.sub.ru>

> I have a Pentium D box, running 6.2-RELEASE. In dmesg, I see CPU#1
> launched, but I never see any process running on it, and mptable shows
...

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[John Baldwin]

On Wednesday 25 April 2007 4:47:48 am Alex Povolotsky wrote:
> Hello!

>
> I have a Pentium D box, running 6.2-RELEASE. In dmesg, I see CPU#1
> launched, but I never see any process running on it, and mptable shows
>

> cluster-one# mptable -verbose
>
>
===============================================================================
>
> MPTable
>
> looking for EBDA pointer @ 0x040e, found, searching EBDA @ 0x0009e800
> searching CMOS 'top of mem' @ 0x0009e400 (633K)
> searching default 'top of mem' @ 0x0009fc00 (639K)
> searching BIOS @ 0x000f0000
>
> MP FPS found in BIOS @ physical addr: 0x000fe200
>
> -------------------------------------------------------------------------------
>
> MP Floating Pointer Structure:
>
> location: BIOS
> physical address: 0x000fe200
> signature: '_MP_'
> length: 16 bytes
> version: 1.4
> checksum: 0x9f
> mode: Virtual Wire
>
> -------------------------------------------------------------------------------
>
> MP Config Table Header:
>
> physical address: 0x000fe210
> signature: 'PCMP'
> base table length: 64
> version: 1.4
> checksum: 0x7f
> OEM ID: ''
> Product ID: ''
> OEM table pointer: 0x00000000
> OEM table size: 0
> entry count: 1
> local APIC address: 0xfee00000
> extended table length: 0
> extended table checksum: 0
>
> -------------------------------------------------------------------------------
>
> MP Config Base Table Entries:
>
> --
> Processors: APIC ID Version State Family Model Step
> Flags
> 0 0x14 BSP, usable 15 6 4
> 0xbfebfbff
>
>
===============================================================================
>
> while in dmesg
>
> Copyright (c) 1992-2007 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
> The Regents of the University of California. All rights reserved.
> FreeBSD is a registered trademark of The FreeBSD Foundation.
> FreeBSD 6.2-RELEASE-p3 #2: Thu Apr 19 00:19:54 MSD 2007
> tar...@cluster-one.zinester.com:/usr/obj/usr/src/sys/P4D
> WARNING: debug.mpsafenet forced to 0 as ipsec requires Giant
> WARNING: MPSAFE network stack disabled, expect reduced performance.
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Pentium(R) D CPU 2.80GHz (2808.41-MHz 686-class CPU)
> Origin = "GenuineIntel" Id = 0xf64 Stepping = 4
>
>
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH
> ,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
> Features2=0xe49d<SSE3,RSVD2,MON,DS_CPL,EST,CNTX-ID,CX16,<b14>,<b15>>
> AMD Features=0x20100000<NX,LM>
> AMD Features2=0x1<LAHF>
> real memory = 1046757376 (998 MB)
> avail memory = 1015095296 (968 MB)
> ACPI APIC Table: <INTEL DG965SS >
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
> cpu0 (BSP): APIC ID: 0
> cpu1 (AP): APIC ID: 1
> ioapic0: Changing APIC ID to 2
> ioapic0 <Version 2.0> irqs 0-23 on motherboard
>
> [...]
> SMP: AP CPU #1 Launched!
>
> The kernel is, of course, SMP.
>
> What can I do, where can I search for solution?
>
> Second core IS enabled in BIOS
> cluster-one# sysctl hw | grep cpu
> hw.ncpu: 2
> hw.acpi.cpu.cx_supported: C1/0
> hw.acpi.cpu.cx_lowest: C1
> hw.acpi.cpu.cx_usage: 100.00%
> cluster-one# sysctl machdep | grep cpu
> machdep.cpu_idle_hlt: 1
> machdep.hlt_cpus: 2
> machdep.hlt_logical_cpus: 0
> machdep.logical_cpus_mask: 2
>
> so second CPU is halted, attempt to start it with sysctl does not help
> Alex.

What does 'sysctl machdep | grep hyper' show?

--
John Baldwin