IZ80981: LARGE PAGE SUPPORT NOT DETECTED ON LINUX

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: The following error message appears when the
    option "-Xlp" is used on a Linux system that was properly
    configured for large pages.
    JVMJ9GC032E System configuration does not support option '-Xlp'
    If the system is configured for large pages, the above error
    message should not be seen when "-Xlp" is used.
    .
    Stack Trace: N/A
    .
    The error was not seen when running on Linux SLES 11, but was
    seen when the customer upgraded to SLES 11 SP1
    

Local fix

  • Do not use the "-Xlp option".
    

Problem summary

  • Changes to /proc/meminfo appeared in SLES 11 SP1 which caused
    problems with the method the JVM used to detect that the system
    supported large pages.
    

Problem conclusion

  • This defect will be fixed in:
    6.0.0 SR8
    5.0.0 SR12
    .
    The JVM was updated to support the changes to /proc/meminfo and
    now properly detects when the system is configured for large
    pages.
    .
    To obtain the fix:
    Install build 20100319 or later
    

Temporary fix

Comments

APAR Information

  • APAR number

    IZ80981

  • Reported component name

    JAVA 5 J9 COMMO

  • Reported component ID

    620500127

  • Reported release

    500

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-07-27

  • Closed date

    2010-07-27

  • Last modified date

    2010-07-27

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

    IZ80980

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

Fix information

  • Fixed component name

    JAVA 5 J9 COMMO

  • Fixed component ID

    620500127

Applicable component levels

  • R500 PSN

       UP



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Document information


More support for:

Runtimes for Java Technology
Virtual Machine

Software version:

5.0

Reference #:

IZ80981

Modified date:

2010-07-27

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