Date: Wed, 25 Apr 2007 12:47:48 +0400 From: Alex Povolotsky <tarkhil@webmail.sub.ru> To: freebsd-smp@freebsd.org, FreeBSD Stable <freebsd-stable@freebsd.org>, freebsd-hardware@freebsd.org Subject: 6.2-RELEASE does not use second CPU on pentium D Message-ID: <462F15B4.4010201@webmail.sub.ru>
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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 tarkhil@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.
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