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  • Severe error occurred when
    attempting to acquire buffer memory through streams.  The
    following messages appeared in the log:
    *******************************************
    SNAPATH  Message 16388 - 13, Subcode: 1 - 0
    Log category: EXCEPTION Cause Type: External
    System: test.client.com
    Process ID: 1618 (snatnsrvr_mt)
    I/O Error writing message to Stream.
    Errno = 12 (Cannot allocate memory)
    Cause: The Stream to SNA Subsystem has reported a write error.
    Action:  Check the operating system error code shown, and retry
    ***************************************************************
    APPN     Message 512 - 191, Subcode: 2 - 10
    Log category: PROBLEM   Cause Type: Resource
    System: ldxzvm01.dx.deere.com
    Unable to forward an HPR NLP - not enough memory.
    LS name            = LPARO
    Network header     = C20080FF
    Cause:  Not enough memory to forward an HPR Network Layer
    Packet. The packet will be discarded. If this error occurs
    frequently, it may cause RTP connections to path-switch or to
    fail.
    ***************************************************************
    

    Local fix

  • Contact IBM support for efix.
    

    Problem summary

  • When a system is under stress, there is significant I/O
    activity to a disk, then the tn3270 server can fail with log
    16388-13 (12) ENOMEM and will require a restart of CS/AIX.
    CS/AIX is not redriving storage allocation process after
    initial request for storage failed.
    

    Problem conclusion

  • Code has been modified to handle low memory
    conditions from Streams.
    

    Temporary fix

    Comments

    APAR Information

  • APAR number

    IZ13531

  • Reported component name

    CS AIX V6.X

  • Reported component ID

    5765E5100

  • Reported release

    630

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2008-01-18

  • Closed date

    2008-01-18

  • Last modified date

    2010-10-25

  • APAR is sysrouted FROM one or more of the following:

    LI71803

  • APAR is sysrouted TO one or more of the following:

    Modules/Macros

  • SNASLIM  LIBSNA
    

    Fix information

  • Fixed component name

    CS AIX V6.X

  • Fixed component ID

    5765E5100

  • Applicable component levels

  • R630 PSY U814355

       UP08/01/23 I 1000

  • [{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSPQKF","label":"Communications Server for AIX"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"630","Edition":"","Line of Business":{"code":"LOB35","label":"Mainframe SW"}}]
  •