large pages not being used

Hello,
    Our system is the following,

    AIX 5.3,  Oracle 10.2.0.4 EE.

    We've been using the large page feature of AIX
for some time. Recently, I upgraded from 10.2.0.3 to 10.2.0.4.
After doing so, the large pages are allocated, but are not
being used by Oracle. Before the upgrade, everything worked fine.

    Has anyone experienced this ?

    Does anyone have large pages working with 10.2.0.4.

    We are working with both Oracle, and IBM support, but
they haven't found a solution.

    Your input is appreciated.


        ed lewis

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