Some NVDIMM devices and namespaces on it disappear after reboot

Solution Verified - Updated -

Issue

  • Some NVDIMM devices and namespaces on it disappear after reboot
    The server has 4 NVDIMM namespaces configured. Sometime after reboot 2 of them configured in region0 are not available. Subsequent reboot usually clears the issue.

Environment

  • Red Hat Enterprise Linux 8.6

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