IZ75501: JVM SYSTEM DUMPS ON LINUX FAIL WITH INVALID CROSS-DEVICE LINK

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: JVMDUMP006I Processing dump event "vmstop",
    detail "#00000000" - please wait.
    JVMDUMP032I JVM requested System dump using
    '/home/user/core.20100504.080749.9223.0001.dmp' in response to
    an event
    Attempt to rename "/tmp/core.9235" to
    "/home/user/core.20100504.080749.9223.0001.dmp" failed with
    error: Invalid cross-device link
    JVMDUMP012E Error in System dump:
    /home/user/core.20100504.080749.9223.0001.dmp
    JVMDUMP013I Processed dump event "vmstop", detail "#00000000".
    .
    Stack Trace: N/A
    .
    

Local fix

  • The problem occurs when the Linux kernel.core_pattern setting
    (available in Linux 2.5 kernels) is used to redirect system
    dumps. The
    JVM dump agents are unable to rename the system dump file to the
    name and path specified in the -Xdump option, because the system
    dump
    has been written to a different file system. The workaround is
    to adjust the kernel.core_pattern setting and/or the -Xdump
    options so
    that the system dump locations are on the same file system.
    

Problem summary

  • The problem occurs when the Linux kernel.core_pattern setting
    (available in Linux 2.5 kernels) is used to redirect system
    dumps. The JVM dump agents are unable to rename the system dump
    file to the name and path specified in the -Xdump option,
    because the system dump has been written to a different file
    system.
    

Problem conclusion

  • This defect will be fixed in:
    5.0.0 SR12
    .
    Fix is for the JVM to rename the dump file name as required by
    the -Xdump options, but leave the dump where OS has written it,
    ie not change the dump location. Appropriate JVMDUMP032I and
    JVMDUMP010I messages are issued to explain where the dump is
    located and why.
    .
    To obtain the fix:
    Install build 20100521 or later
    

Temporary fix

Comments

APAR Information

  • APAR number

    IZ75501

  • 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

    2010-05-04

  • Closed date

    2010-06-08

  • Last modified date

    2010-06-08

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

  • 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 #:

IZ75501

Modified date:

2010-06-08

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