JR44530: CRASH IN APPN.SYS

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Communications Server for Windows
    ---------------------------------
    Crash (blue screen) in appn.sys
    

Local fix

Problem summary

  • USERS AFFECTED: All
    
    PROBLEM DESCRIPTION:
    Crash in appn.sys
    
    PROBLEM SUMMARY:
    The root cause is triggered by certain start up sequences which
    are all lead to CS/Win sending an ACTLU RSP with a TCP/IP
    control vector (type 0x64). In some case the code (inside
    appn.sys) corrupts the SNAPS messages which can actually corrupt
    any part of the SNAPS dynamic memory  (buffers and control
    blocks). The crash occurs at a later point in time (probably
    within a few seconds) when the corrupted memory is accessed.
    

Problem conclusion

  • The source of the corruption has been identified and corrected.
    

Temporary fix

  • appn.sys
    

Comments

APAR Information

  • APAR number

    JR44530

  • Reported component name

    COMM SERV NT 6.

  • Reported component ID

    5639F2503

  • Reported release

    613

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-10-25

  • Closed date

    2012-11-15

  • Last modified date

    2012-11-15

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

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

    JR44768 LI77303 LI77304 LI77305 IV40879

Fix information

  • Fixed component name

    COMM SERV NT 6.

  • Fixed component ID

    5639F2503

Applicable component levels

  • R613 PSY

       UP

  • R640 PSY

       UP



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Document information


More support for:

Communications Server for Windows

Software version:

613

Reference #:

JR44530

Modified date:

2012-11-15

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