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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

    Hi All,

    We haven't received any volunteer to provide us both, Access ID and the SSH access to their appliance for investigation. Our Dev Team cannot really proceed further until we find a machine to troubleshoot, that has this issue ongoing.

    Thanks

    Sachin Gurung
    Team Lead | Sophos Technical Support
    Knowledge Base  |  @SophosSupport  |  Video tutorials
    Remember to like a post.  If a post (on a question thread) solves your question use the 'This helped me' link.

  • 0 in reply to sachingurung

    I have just upgraded a Test VM from 16.05.1.MR-1 to 16.05.3.MR3.SFW-183

    VM had 2 CPUs and 8GB assigned to it. (VMWorkstation)

     

     

    last reboot and look - Memory limit has changed! Sophos, I find it hard that you cannot replicate this issue, even in a VM Environment.

     

     

    Regards Simon

    Sophos XG 17.5.1 MR-1 | Dell 7010 | Intel(R) Core(TM) i5-3550 CPU @ 3.70GHz | 8GB Memory
    Samsung EVO 850 120GB SDD | 1x Intel 82574L / 2x 82571EB Gigabit Ethernet Controller (rev 06)

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  • 0 in reply to sachingurung

    I have just upgraded a Test VM from 16.05.1.MR-1 to 16.05.3.MR3.SFW-183

    VM had 2 CPUs and 8GB assigned to it. (VMWorkstation)

     

     

    last reboot and look - Memory limit has changed! Sophos, I find it hard that you cannot replicate this issue, even in a VM Environment.

     

     

    Regards Simon

    Sophos XG 17.5.1 MR-1 | Dell 7010 | Intel(R) Core(TM) i5-3550 CPU @ 3.70GHz | 8GB Memory
    Samsung EVO 850 120GB SDD | 1x Intel 82574L / 2x 82571EB Gigabit Ethernet Controller (rev 06)

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  • 0 in reply to dark moon

    I've just installed this same version to a Hyper-V VM and the memory is showing as 6GB (almost).

  • 0 in reply to NashBrydges

    It all depends on your memory map. You'll never have the full 6G there even on a 6G vm.

    cat /proc/iomem | grep "System RAM" 

    and add up the sizes of the ranges it should be very close to what's above.

    If it the last memory area ends at ‭17FFFFFFF‬ that's the impact of mem=6G kicking in

     

    Basically this problem impacts anyone that has a bios/uefi that remaps large chunks of their memory beyond the 4G barrier.

    In my case on my hardware. There's about 2G of my 8G of memory below the 4G mark, and the remaining 6G starts at the 4G memory address, so that's why i get less that 4G usable on an 8G system.

     

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