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DUAL cpu machine and kernel update

Discussion in 'General Discussion' started by ehsan, Dec 2, 2003.

  1. ehsan

    ehsan Well-Known Member

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    Hi guys,

    After upgrading a dual cpu machine to the new kenrel (2.4.20-24.8) and seting up lilo.conf to point to new kernel, the server only can see one cpu.

    [~]# cat /proc/cpuinfo
    processor : 0
    vendor_id : GenuineIntel
    cpu family : 6
    model : 8
    model name : Pentium III (Coppermine)
    stepping : 10
    cpu MHz : 997.532
    cache size : 256 KB
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
    bogomips : 1992.29

    [~]# cat /proc/stat
    cpu 8060 5 4865 364993
    cpu0 8060 5 4865 364993
    page 170586 832943
    swap 37 56
    intr 602690 377923 3 0 15 3 0 7 0 1 26404 198328 0 6 0 0 0
    disk_io: (8,0):(26059,9863,340020,16196,1665866)
    ctxt 627662
    btime 1070391549



    How can I set the kernel to use SMP again and see the both CPUs.

    Thanks a bunch!
    Ehsan
     
  2. netwrkr

    netwrkr Well-Known Member

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    I assume you are using RH. This is one of the minor irrating things about RH in the past -- they put out an update for the kernel but don't include SMP kernels in the RPM builds. Too much work I suppose.

    You are going to have to download the RPM that includes the kernel source and rebuild a kernel that includes support for SMP.

    I will help you offlist for free but its too involved to post the step-by-step instructions here.

    Regards,

    Thomas Petersen
    SecurityMinded Technologies
    http://www.securityminded.net
    tomp at securityminded dot net
     
  3. ehsan

    ehsan Well-Known Member

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    I really appreciate it,

    Please IM me on yahoo: google_adsens

    Thanks
    Ehsan
     
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