Re: Missing memory and the mystery of MTRRs
On Sat, 13 Feb 2021 13:17:59 -0800
Charlie Gibbs <cgibbs@surfnaked.ca> wrote:
> I realized recently that a box I've been running for a while isn't
> seeing all of its installed memory. The BIOS screens indicate that
> 8GB is installed, but Debian (recently upgraded to Buster) only sees
> a bit over 3GB.
>
> cjg@dragon:~$ head -1 /proc/meminfo
> MemTotal: 3331096 kB
Have you run memtest86? You can install i as an apt package, then
reboot to run it.
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