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Did the RAM limits change for Home edition for 16.05.2 to 4GB?

MichaelHigginson

Did the limits for RAM on Home edition get changed with SFOS 16.05.2 MR2? I'm only seeing 4GB after update. Still only showing 4GB after rolling back to SFOS 16.05.1 MR-1. I was seeing 6GB usable before upgrade.



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  • 0

    I have this issue also.  I have two 4GB modules installed on my Zotac box.  System only reports 4GB as attached.

    I was curious, so I replaced the modules with two new 4GB modules which resulted in no change.

  • 0 in reply to just4fun

    I think what i've figured out is this is a problem with how mem=6G interacts with mapping of reserved memory space in the kernel(3.14).

    Without the mem=6G you get all 8GB of memory, with mem=6G on the kernel options your get 6GB minus any reserved memory.

    On my Zotac Ci323 that reserved memory is somewhere in the neighborhood of 2GB. There's one PNP area that looks to reserve around 1GB itself.

    I've tried searching online for bugs related to mem= but so few people use it there's not much out there.

     

    if you want to know where memory is going take a look at /proc/iomem

     

     

     

     

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  • 0 in reply to just4fun

    I think what i've figured out is this is a problem with how mem=6G interacts with mapping of reserved memory space in the kernel(3.14).

    Without the mem=6G you get all 8GB of memory, with mem=6G on the kernel options your get 6GB minus any reserved memory.

    On my Zotac Ci323 that reserved memory is somewhere in the neighborhood of 2GB. There's one PNP area that looks to reserve around 1GB itself.

    I've tried searching online for bugs related to mem= but so few people use it there's not much out there.

     

    if you want to know where memory is going take a look at /proc/iomem

     

     

     

     

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