仅使用一个 CPU

仅使用一个 CPU

我正在运行 ubuntu 12.04.5,有一台华硕 N53sv,我遇到了与下面的帖子相同的问题,但由于我的 BIOS 不同,我无法应用相同的修复。

如何修复我的 CPU 四个核心中只有一个被检测到的问题?

我已将其添加nolapic到 grub 中,以便我能够正确启动和关闭计算机。

在我的 BIOS 中没有Installer OS select

任何帮助将不胜感激。


系统信息

lscpu输出:

Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                1
On-line CPU(s) list:   0
Thread(s) per core:    1
Core(s) per socket:    1
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 42
Stepping:              7
CPU MHz:               800.000
BogoMIPS:              3991.09
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              6144K
NUMA node0 CPU(s):     0

lshw -class cpu

  *-cpu                   
   description: CPU
   product: Intel(R) Core(TM) i7-2630QM CPU @ 2.00GHz
   vendor: Intel Corp.
   physical id: 4
   bus info: cpu@0
   version: Intel(R) Core(TM) i7-2630QM CPU @ 2.00GHz
   serial: To Be Filled By O.E.M.
   slot: CPU 1
   size: 2001MHz
   capacity: 4GHz
   width: 64 bits
   clock: 100MHz
   capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer xsave avx lahf_lm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid cpufreq
   configuration: cores=4 enabledcores=1 threads=2

dmidecode给出

BIOS Information
Vendor: American Megatrends Inc.
Version: N53SV.209
Release Date: 02/10/2011
Address: 0xF0000
Runtime Size: 64 kB
ROM Size: 2560 kB
Characteristics:
    PCI is supported
    BIOS is upgradeable
    BIOS shadowing is allowed
    Boot from CD is supported
    Selectable boot is supported
    EDD is supported
    5.25"/1.2 MB floppy services are supported (int 13h)
    3.5"/720 kB floppy services are supported (int 13h)
    3.5"/2.88 MB floppy services are supported (int 13h)
    Print screen service is supported (int 5h)
    8042 keyboard services are supported (int 9h)
    Serial services are supported (int 14h)
    Printer services are supported (int 17h)
    ACPI is supported
    USB legacy is supported
    Smart battery is supported
    BIOS boot specification is supported
    Targeted content distribution is supported
BIOS Revision: 4.6

Handle 0x0002, DMI type 2, 15 bytes
Base Board Information
Manufacturer: ASUSTeK Computer Inc.
Product Name: N53SV
Version: 1.0       
Serial Number: BSN12345678901234567
Asset Tag: ATN12345678901234567
Features:
    Board is a hosting board
    Board is replaceable
Location In Chassis: MIDDLE              
Chassis Handle: 0x0003
Type: Motherboard
Contained Object Handles: 0

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