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"ulimit -c unlimited" not working

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  • August 24, 2010 at 6:07 pm #51954
    David Barr
    Participant

      I’m trying to capture a core file from a process panic (SIGSEGV) to try to help diagnose the problem, but I can’t get the process to dump core.

      I’m running Cloverleaf 5.7 rev2 on Red Hat 5.1.  I’ve changed the “ulimit -c 0” command in /etc/profile to “ulimit -c unlimited”.  I logged out, logged back in and restarted all of my processes.

      The process died again and still no core dump.  Is there a limit somewhere else on core dumps?

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      • August 30, 2010 at 4:46 pm #72475
        Max Drown (Infor)
        Keymaster

          From the dev team,

          Quote:

          To stop the engine panic output and get a core dump one must set the env var ALLOW_CORE to 1 for the engine process. Any value will work as only checks to see if env var is defined.

          Normally one checks for the core limit using ulimit -a and he does not indicate that the was done so wonder if the limit actually changed. (On AIX the command is unlimit -c -1 to set unlimited but never looked at linux.)

          -- Max Drown (Infor)

        • August 30, 2010 at 6:21 pm #72476
          David Barr
          Participant

            Thanks.  I’ll try that.  And, yes, I did verify with “ulimit -a” that my limits were set the way that I wanted.

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