IV40879: PRINTER LOSES CONNECTION WHEN SSCP TAKEOVER OCCURS

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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

    IV40879

  • Reported component name

    CS AIX V6.X

  • Reported component ID

    5765E5100

  • Reported release

    631

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-04-26

  • Closed date

    2013-04-26

  • Last modified date

    2013-09-18

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

    JR44530

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

Fix information

  • Fixed component name

    CS AIX V6.X

  • Fixed component ID

    5765E5100

Applicable component levels

  • R631 PSY U860529

       13/09/18 I 1000



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Document information


More support for:

Communications Server for AIX

Software version:

631

Reference #:

IV40879

Modified date:

2013-09-18

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