What does "please specify mtrr_gran_size/mtrr_chunk_size" mean in the boot messages
Issue
- Seeing the following in boot messages:
Dec 21 10:19:49 server kernel: gran_size: 256M chunk_size: 512G num_reg: 8 lose cover RAM: 1G
Dec 21 10:19:49 server kernel: gran_size: 256M chunk_size: 1024G num_reg: 8 lose cover RAM: 1G
Dec 21 10:19:49 server kernel: gran_size: 256M chunk_size: 2048G num_reg: 8 lose cover RAM: 1G
Dec 21 10:19:49 server kernel: gran_size: 512M chunk_size: 512M num_reg: 8 lose cover RAM: 1G
Dec 21 10:19:49 server kernel: gran_size: 512M chunk_size: 1G num_reg: 8 lose cover RAM: 1G
Dec 21 10:19:49 server kernel: gran_size: 512M chunk_size: 2G num_reg: 8 lose cover RAM: 1G
Dec 21 10:19:49 server kernel: gran_size: 512M chunk_size: 4G num_reg: 8 lose cover RAM: 1G
Dec 21 10:19:49 server kernel: mtrr_cleanup: can not find optimal value
Dec 21 10:19:49 server kernel: please specify mtrr_gran_size/mtrr_chunk_size
Environment
- Red Hat Enterprise 6
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