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#1 2020-12-22 23:35:38

BrooklynOC
Member
Registered: 2020-10-14
Posts: 9

Ram space

I have a 8gb stick of DDR4 ram in my pc and whenever I try and I found this problem whenever I tried virtualising windows and mac and when i was in system monitor that i cant access all 8gb of ram. I looked on other forums and they had a problem when there ram wasnt seated properly so I tried that and nothing changed and then I tried: free -m and this was the result
                    total        used        free      shared  buff/cache   available
Mem:           4869         761        3687          11         419        3865
Swap:             0           0           0

I tried searching for how to reduce reserved ram and have came out with nothing I have also tried: sudo sysctl -w vm.swappiness=100 and nothing changed. I also tried adding mem=8G to the GRUB_CMDLINE_LINUX_DEFAULT line and nothing changed.
how can I fix this?

Last edited by BrooklynOC (2020-12-23 08:04:59)

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#2 2020-12-22 23:43:46

Trilby
Inspector Parrot
Registered: 2011-11-29
Posts: 30,513
Website

Re: Ram space

Please post the output of `cat /proc/meminfo` in [ code ] tags.  And please take the time to use some appropriate punctuation in your posts.

"UNIX is simple and coherent" - Dennis Ritchie; "GNU's Not Unix" - Richard Stallman

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#3 2020-12-23 00:21:06

loqs
Member
Registered: 2014-03-06
Posts: 19,029

Re: Ram space

Also the output of `dmesg`.

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#4 2020-12-23 08:00:54

BrooklynOC
Member
Registered: 2020-10-14
Posts: 9

Re: Ram space

Trilby wrote:

Please post the output of `cat /proc/meminfo` in [ code ] tags.  And please take the time to use some appropriate punctuation in your posts.

The result is this:
MemTotal:        4985964 kB
MemFree:         2883284 kB
MemAvailable:    3310056 kB
Buffers:           37800 kB
Cached:           640120 kB

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#5 2020-12-23 08:18:11

BrooklynOC
Member
Registered: 2020-10-14
Posts: 9

Re: Ram space

loqs wrote:

Also the output of `dmesg`.

dmesg wrote:

[    0.000000] BIOS-provided physical RAM map:
[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009ffff] usable
[    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x0000000009d01fff] usable
[    0.000000] BIOS-e820: [mem 0x0000000009d02000-0x0000000009ffffff] reserved
[    0.000000] BIOS-e820: [mem 0x000000000a000000-0x000000000a1fffff] usable
[    0.000000] BIOS-e820: [mem 0x000000000a200000-0x000000000a20afff] ACPI NVS
[    0.000000] BIOS-e820: [mem 0x000000000a20b000-0x000000000affffff] usable
[    0.000000] BIOS-e820: [mem 0x000000000b000000-0x000000000b01ffff] reserved
[    0.000000] BIOS-e820: [mem 0x000000000b020000-0x000000003aecafff] usable
[    0.000000] BIOS-e820: [mem 0x000000003aecb000-0x000000003c3adfff] reserved
[    0.000000] BIOS-e820: [mem 0x000000003c3ae000-0x000000003c52dfff] usable
[    0.000000] BIOS-e820: [mem 0x000000003c52e000-0x000000003c93bfff] ACPI NVS
[    0.000000] BIOS-e820: [mem 0x000000003c93c000-0x000000003d6d8fff] reserved
[    0.000000] BIOS-e820: [mem 0x000000003d6d9000-0x000000003d767fff] type 20
[    0.000000] BIOS-e820: [mem 0x000000003d768000-0x000000003effffff] usable
[    0.000000] BIOS-e820: [mem 0x000000003f000000-0x00000000bfffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fd000000-0x00000000ffffffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000023f33ffff] usable
[    0.000000] e820: remove [mem 0x200000000-0xfffffffffffffffe] usable
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] user-defined physical RAM map:
[    0.000000] user: [mem 0x0000000000000000-0x000000000009ffff] usable
[    0.000000] user: [mem 0x00000000000a0000-0x00000000000fffff] reserved
[    0.000000] user: [mem 0x0000000000100000-0x0000000009d01fff] usable
[    0.000000] user: [mem 0x0000000009d02000-0x0000000009ffffff] reserved
[    0.000000] user: [mem 0x000000000a000000-0x000000000a1fffff] usable
[    0.000000] user: [mem 0x000000000a200000-0x000000000a20afff] ACPI NVS
[    0.000000] user: [mem 0x000000000a20b000-0x000000000affffff] usable
[    0.000000] user: [mem 0x000000000b000000-0x000000000b01ffff] reserved
[    0.000000] user: [mem 0x000000000b020000-0x000000003aecafff] usable
[    0.000000] user: [mem 0x000000003aecb000-0x000000003c3adfff] reserved
[    0.000000] user: [mem 0x000000003c3ae000-0x000000003c52dfff] usable
[    0.000000] user: [mem 0x000000003c52e000-0x000000003c93bfff] ACPI NVS
[    0.000000] user: [mem 0x000000003c93c000-0x000000003d6d8fff] reserved
[    0.000000] user: [mem 0x000000003d6d9000-0x000000003d767fff] type 20
[    0.000000] user: [mem 0x000000003d768000-0x000000003effffff] usable
[    0.000000] user: [mem 0x000000003f000000-0x00000000bfffffff] reserved
[    0.000000] user: [mem 0x00000000e0000000-0x00000000efffffff] reserved
[    0.000000] user: [mem 0x00000000fd000000-0x00000000ffffffff] reserved
[    0.000000] user: [mem 0x0000000100000000-0x00000001ffffffff] usable

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#6 2020-12-23 08:46:48

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 77,657

Re: Ram space

That's not the requested output but excerpts and you didn't use code tags either.
https://bbs.archlinux.org/help.php#bbcode

"dmesg" and/or "dmidecode" are more relevant atm. (dmidecode requires root permissions)

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#7 2020-12-23 09:46:31

WorMzy
Administrator
From: Scotland
Registered: 2010-06-16
Posts: 13,643
Website

Re: Ram space

Please fix your posts as requested, and change your topic title to something that actually describes your issue.

https://wiki.archlinux.org/index.php/Co … ow_to_post

Mod note: moving to NC.

Sakura:-
Mobo: MSI MAG X570S TORPEDO MAX // Processor: AMD Ryzen 9 5950X @4.9GHz // GFX: AMD Radeon RX 5700 XT // RAM: 32GB (4x 8GB) Corsair DDR4 (@ 3000MHz) // Storage: 1x 3TB HDD, 6x 1TB SSD, 2x 120GB SSD, 1x 275GB M2 SSD

Making lemonade from lemons since 2015.

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#8 2020-12-23 19:01:52

GSMiller
Member
Registered: 2020-11-23
Posts: 75

Re: Ram space

BrooklynOC wrote:
Trilby wrote:

Please post the output of `cat /proc/meminfo` in [ code ] tags.  And please take the time to use some appropriate punctuation in your posts.

The result is this:
MemTotal:        4985964 kB
MemFree:         2883284 kB
MemAvailable:    3310056 kB
Buffers:           37800 kB
Cached:           640120 kB

As Trilby asked, please use code tags.
It looks like you have only about 4.7Gigs of RAM.
Look in your BIOS.

A dog is a man's best friend.

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