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{3} ok prompt - Sun Solaris

Usually, the 'ok' prompt on Sun servers is preceded by {2}. Recently, one of my Fire 880 servers displayed a {3} ok prompt. Does the number mean anything? Thanks...

  1. #1

    Default {3} ok prompt

    Usually, the 'ok' prompt on Sun servers is preceded by {2}.

    Recently, one of my Fire 880 servers displayed a {3} ok prompt.


    Does the number mean anything?

    Thanks
    Vikas Guest

  2. #2

    Default Re: {3} ok prompt

    On Sun, 21 Sep 2003 21:53:37 -0400 Vikas Agnihotri <mailshell.com> wrote: 

    The active CPU.
    Frank Guest

  3. #3

    Default Re: {3} ok prompt

    In comp.unix.solaris Vikas Agnihotri <mailshell.com> wrote: 

    That number refers to which CPU is the boot CPU. This will normally be
    the lowest numbered CPU in the system, so if you've got an 880 showing
    boot CPU 3 there's a good chance that CPU 2 has failed (board 1, CPU0)

    Scott
    Scott Guest

  4. #4

    Default Re: {3} ok prompt

    Vikas Agnihotri wrote: 


    It's the CPU your OpenBoot commands are currently talking to. For
    instance if you looked at the CPU trap registers with the
    ".trap-registers" command, you'd be looking at the registers on CPU3 (if
    your prompt said {3}).

    Switch CPU with the "switch-cpu" command, for instance 2 switch-cpu

    --
    Tony

    Tony Guest

  5. #5

    Default Re: {3} ok prompt

    On 22 Sep 2003 07:37:59 GMT, Scott Howard <net.au> wrote:
     
    >
    > That number refers to which CPU is the boot CPU. This will normally be
    > the lowest numbered CPU in the system, so if you've got an 880 showing
    > boot CPU 3 there's a good chance that CPU 2 has failed (board 1, CPU0)[/ref]

    Hm. I dont see any failures. Here is the output of prtdiag.

    Why would the boot cpu suddenly switch from 2 to 3? I didnt issue the
    'switch-cpu' command that the other poster mentioned.

    Help? Thanks

    # /usr/platform/SUNW,Sun-Fire-880/sbin/prtdiag System Configuration: Sun
    Microsystems sun4u Sun Fire 880
    System clock frequency: 150 MHz
    Memory size: 8192 Megabytes

    ========================= CPUs
    ===============================================

    Run E$ CPU CPU Brd CPU MHz MB Impl. Mask ---
    --- ---- ---- ------- ---- A 0 750 8.0 US-III 5.4 B 1
    750 8.0 US-III 5.4 A 2 750 8.0 US-III 5.4 B 3
    750 8.0 US-III 5.4

    ========================= Memory Configuration
    ===============================

    Logical Logical Logical MC Bank Bank Bank
    DIMM Interleave Interleaved
    Brd ID num size Status Size Factor with
    ---- --- ---- ------ ----------- ------ ---------- -----------
    A 0 0 512MB no_status 256MB 8-way 0
    A 0 1 512MB no_status 256MB 8-way 0
    A 0 2 512MB no_status 256MB 8-way 0
    A 0 3 512MB no_status 256MB 8-way 0
    B 1 0 512MB no_status 256MB 8-way 1
    B 1 1 512MB no_status 256MB 8-way 1
    B 1 2 512MB no_status 256MB 8-way 1
    B 1 3 512MB no_status 256MB 8-way 1
    A 2 0 512MB no_status 256MB 8-way 0
    A 2 1 512MB no_status 256MB 8-way 0
    A 2 2 512MB no_status 256MB 8-way 0
    A 2 3 512MB no_status 256MB 8-way 0
    B 3 0 512MB no_status 256MB 8-way 1
    B 3 1 512MB no_status 256MB 8-way 1
    B 3 2 512MB no_status 256MB 8-way 1
    B 3 3 512MB no_status 256MB 8-way 1

    ========================= IO Cards =========================


    Bus Max
    IO Port Bus Freq Bus Dev,
    Brd Type ID Side Slot MHz Freq Func State Name
    Model
    ---- ---- ---- ---- ---- ---- ---- ---- ----- ------------------------------
    -- ----------------------
    I/O PCI 8 B 1 33 33 4,0 ok scsi-
    pci1000,f.1000.1000.14/disk+ I/O PCI 8 B 1
    33 33 4,1 ok scsi-pci1000,f.1000.1000.14/disk+
    I/O PCI 8 B 0 33 33 5,0 ok SUNW,m64B
    SUNW,370-4362

    No failures found in System
    ===========================



    Vikas Guest

  6. #6

    Default Re: {3} ok prompt

    On Mon, 22 Sep 2003 15:08:02 -0400 Vikas Agnihotri <mailshell.com> wrote: 
    >>
    >> That number refers to which CPU is the boot CPU. This will normally be
    >> the lowest numbered CPU in the system, so if you've got an 880
    >> showing boot CPU 3 there's a good chance that CPU 2 has failed
    >> (board 1, CPU0)[/ref]
    >
    > Hm. I dont see any failures. Here is the output of prtdiag.[/ref]

    I think Scott is wrong, it's not the boot CPU, merely the CPU which
    serviced the console interrupt.

    I've commonly seen different CPU #s at the ok prompt (on much older
    hardware, though).

    Can you clarify whether you see this at poweron or whether it's after
    a console break?

    /fc
    Frank Guest

  7. #7

    Default Re: {3} ok prompt

    In <1064216278.588050docbert> Scott Howard <net.au> writes: [/ref]
     

    it is the *current* cpu that OpenBoot is running on, it will
    change every time you switch to a different processor and is
    not necessarily related to which cpu you booted on.

    since the cpu that handles a BREAK will call debug_enter, the number
    tends to be related to which cpu is handling the interrupts for the
    console serial port.
    booting and any other operation which causes interrupts to
    become redistributed amongst the processors will change which
    cpu handles the interrupt from the console serial port and thus
    may cause that number in the ok prompt to change.
    ultrasparc3@hotmail.com Guest

  8. #8

    Default Re: {3} ok prompt

    On Mon, 22 Sep 2003 12:49:43 -0700, Frank Cusack <com>
    wrote:
     

    After a reset-all with auto-boot?=false (when the system power-cycles and
    initializes memory and comes to rest at the 'ok' prompt)


    Vikas Guest

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