Description of the problem:
The server BIOS can recognize 48G memory, but only 32G memory can be recognized under the redhat AS 5.update 4 x64 system.
Solution:
After verification, the user installed the XEN kernel and started it, instructing the user to modify the normal kernel to recognize 48G memory after booting.
Analysis:
installed after XEN kernel, then the physical system becomes a special virtual machine, and XEN virtual machine memory to support the largest 32G, so there will be This is the case.
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