Bug 9772171-database startup hangs on Windows if machine have more than cores [ID 9772171.8]
This article has been explained: fix (fix) the bug in 11.2.0.2.
And now the 11GR2 version number has been released 11.2.0.4. And 11.2.0.4 is finally the 11GR2 version number.
So we recommend installing 11.2.0.4 plus the latest PSU
The latest PSU is able to query this article for the following: Oracle Database, Networking and Grid Agent patches for Microsoft platforms (Doc ID 161549.1).
---> Note: The PSU is said above. In fact, the argument is inaccurate. Because: The Oracle patch under Windows is not called the PSU. Called Bundle patch.
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When there are more than 64 logical CPU moments, Windows next Oracle DB instance startup (startup) will hang (pending)