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gencore : Not Owner on AIX 5.3 (EPERM)

  • 1.  gencore : Not Owner on AIX 5.3 (EPERM)

    Posted Thu April 30, 2009 03:03 AM

    Originally posted by: SystemAdmin


    Hello,

    I ran gencore on a process whose "s-bit" is set on AIX 5.3 (oslevel 5300-00).

    when running the gencore command, I got an error message saying "gencore : Not Owner"(EPERM) I am not the owner. This happened also when I was root.
    gencore worked fine on AIX 6.1 for the same process whose s-bit is set.

    here is the truss o/p for the same operation

    =================================================================================================================
    bash-3.00$ truss -eflda -rall -wall -u :: gencore 688286 core.688286 684176: 1060911: 0.0006: execve("/usr/bin/gencore", 0x2FF22AF4, 0x2FF22B04) argc: 3
    684176: 1060911: argv: gencore 688286 core.688286
    684176: 1060911: envp: AUTHSTATE=compat UNAME=AIX TERM=xterm SHELL=/usr/bin/ksh
    .
    .
    .
    .
    684176: 1060911: ->libc.a:strlen()
    684176: 1060911: <-libc.a:strlen() = b 0.000000
    684176: 1060911: ->libc.a:atoi(0x2ff22ba0)
    684176: 1060911: <-libc.a:atoi() = a809e 0.000000
    684176: 1060911: 2.0228: gencore(0x2FF22A60, 0x00000063, 0x0069062C, 0x00000059, 0xF03B5D58, 0x00000000, 0x38360041, 0x00008000) (sleeping...)
    684176: 1060911: 2.0228: gencore(0x2FF22A60, 0x00000063, 0x0069062C, 0x00000059, 0xF03B5D58, 0x00000000, 0x38360041, 0x00008000) Err#1 EPERM
    684176: 1060911: ->libc.a:perror(0x20000564)
    684176: 1060911: ->libc.a:strlen()
    684176: 1060911: <-libc.a:strlen() = 8 0.000000
    gencore:684176: 1060911: kwrite(2, 0x20000564, 8) = 8
    684176: g e n c o r e :
    : 684176: 1060911: kwrite(2, 0xF03BC108, 2) = 2
    684176: :
    684176: 1060911: ->libc.a:strlen()
    684176: 1060911: <-libc.a:strlen() = 9 0.000000
    Not owner684176: 1060911: kwrite(2, 0x2FF20A10, 9) = 9
    684176: N o t o w n e r

    684176: 1060911: kwrite(2, 0xF03BC100, 1) = 1
    684176: \n
    684176: 1060911: <-libc.a:perror() = 2ff22ff8 0.000000
    684176: 1060911: ->libc.a:exit(0x1)
    684176: 1060911: 28.4500: kfcntl(1, F_GETFL, 0x2FF22FFC) = 2
    684176: 1060911: 28.4504: kfcntl(2, F_GETFL, 0x00000000) = 2
    684176: 1060911: 28.4507: _exit(1)
    bash-3.00$
    =================================================================================================================

    Any suggestions as to what I could do?

    Thanks,
    Sushil.
    #AIX-Forum


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