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安装完7.0release后,直接csup到了7.1。
7.0的dmesg是这样的。
Copyright (c) 1992-2008 The FreeBSD Project.
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The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 7.0-RELEASE #0: Sun Feb 24 19:59:52 UTC 2008
root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2793.19-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf43 Stepping = 3
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=0x641d<SSE3,RSVD2,MON,DS_CPL,CNXT-ID,CX16,xTPR>
AMD Features=0x20100000<NX,LM>
Logical CPUs per core: 2
real memory = 1073479680 (1023 MB)
avail memory = 1036890112 (988 MB)
ACPI APIC Table: <DELL PE BKC >
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
cpu2 (AP): APIC ID: 6
cpu3 (AP): APIC ID: 7
ioapic0: Changing APIC ID to 8
p4tcc0: <CPU Frequency Thermal Control> on cpu0
cpu1: <ACPI CPU> on acpi0
p4tcc1: <CPU Frequency Thermal Control> on cpu1
cpu2: <ACPI CPU> on acpi0
p4tcc2: <CPU Frequency Thermal Control> on cpu2
cpu3: <ACPI CPU> on acpi0
升完7.1并重编内核后,确发现只有一个cpu了。SMP和APIC是加了的。重构系统时我把acpi、lp等模块去掉了的。会不会是因为acpi的原因呢?
FreeBSD 7.1-RELEASE #1: Tue Jan 6 04:36:09 CST 2009
root@bbs.xcidc.org:/usr/src/sys/i386/compile/bbs.v7
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2793.20-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf43 Stepping = 3
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=0x641d<SSE3,DTES64,MON,DS_CPL,CNXT-ID,CX16,xTPR>
AMD Features=0x20100000<NX,LM>
Logical CPUs per core: 2
real memory = 1073479680 (1023 MB)
avail memory = 1041162240 (992 MB)
MPTable: <DELL PE 016C >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 6
ioapic0: Changing APIC ID to 8
ioapic0: Assuming intbase of 0
ioapic1: Changing APIC ID to 9
ioapic1: Assuming intbase of 24
[ 本帖最后由 5sky 于 2009-1-8 13:33 编辑 ] |
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