VMM Reserving 80% of RAM unable to create VM

[Dvalin21]

Not sure what the issue is.  Every time I try to create a VM, VMM puts in reserve 80% of my ram (10gb total) leaving me with less than 2gb (yes i know it should be exactly, but im assuming that system itself is taking up at lease 512mb as well) Which of course leaves me not able to create a VM of any kind.  Please, any help would be appreciate it.

[Olegin]

6 часов назад, Dvalin21 сказал:

VMM puts in reserve 80% of my ram (10gb total) leaving me with less than 2gb

Not VMM reserves 80% of the memory, it is the memory used by all applications on your DSM. You can see the distribution for each package in the Resource Monitor

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[Dvalin21]

Cant be it, when VMM is not running or any other app for that matter only 20% seems to be being used by the system.  Its only after I turn on VMM and yet still have all other apps still close it does the same thing, 80% goes reserve. 

[Samm]

I'm having the same issue. Even with the VMM uninstalled:

This makes the server start swapping and reporting only 3392 avaliable of ram instead of 7xxx

 $free -m
              total        used        free      shared  buff/cache   available
Mem:           3392        1750         211           7        1429        1357
Swap:          4083        1449        2633

Any solution?

[Samm]

I fixed the problem  RESERVED MEMORY 4.7 GB on N54L

 

$ dmesg |grep RAM
[    0.000000] e820: BIOS-provided physical RAM map:
[    0.000000] WARNING: BIOS bug: CPU MTRRs don't cover all of memory, losing 4608MB of RAM.
[    0.000000] e820: modified physical RAM map:

Thanks to "MTRR" error got this sorted out:  

You have to disable mtrr trim, by adding the argument disable_mtrr_trim on grub.cfg