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IJ10618: GPU SORT: UNSPECIFIED LAUNCH FAILURE

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: When attempting to sort an array of
    floating-point values using a GPU, an 'unspecified launch
    failure' may occur depending on the GPU in use and the version
    of the installed CUDA driver.
    .
    Stack Trace: com.ibm.gpu.GPUSortException: unspecified launch
    failure
        at com.ibm.gpu.SortNetwork.sort(SortNetwork.java:472)
        at com.ibm.gpu.SortNetwork.sortArray(SortNetwork.java:285)
        at com.ibm.gpu.Maths.sortArray(Maths.java:155)
        ...
    Caused by: com.ibm.cuda.CudaException: unspecified launch
    failure
        at com.ibm.cuda.CudaBuffer.copyToHostDouble(Native Method)
        at com.ibm.cuda.CudaBuffer.copyTo(CudaBuffer.java:1290)
        at com.ibm.gpu.SortNetwork.sort(SortNetwork.java:470)
    .
    

Local fix

Problem summary

  • When attempting to sort an array of floating-point values using
    a GPU, an 'unspecified launch failure' may occur depending on
    the GPU in use and the version of the installed CUDA driver.
    

Problem conclusion

  • The Java SDK has been updated to generate GPU code that should
    work on all GPU hardware and driver versions.
    .
    This APAR will be fixed in the following Java Releases:
       8    SR5 FP25  (8.0.5.25)
    .
    Contact your IBM Product's Service Team for these Service
    Refreshes and Fix Packs.
    For those running stand-alone, information about the available
    Service Refreshes and Fix Packs can be found at:
               https://www.ibm.com/developerworks/java/jdk/
    

Temporary fix

Comments

APAR Information

  • APAR number

    IJ10618

  • Reported component name

    J9 COMMON CODE

  • Reported component ID

    620700127

  • Reported release

    270

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2018-10-18

  • Closed date

    2018-10-19

  • Last modified date

    2018-10-19

  • 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

    J9 COMMON CODE

  • Fixed component ID

    620700127

Applicable component levels

  • R270 PSY

       UP

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Document Information

Modified date:
21 February 2022