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From: Liam Proven <lproven@gmail.com>
Date: Mon, 5 Jun 2023 17:08:21 +0100
Message-ID: <CAMTenCFoqrCPVe33f2wS1C4xYWnhzye7ZPDdfNcZOMg7cN78Zg@mail.gmail.com>
Subject: Re: Alpine 3.18 x86-32 not detecting all RAM
Cc: ~alpine/users@lists.alpinelinux.org
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On Thu, 1 Jun 2023 at 19:23, Ralf Mardorf <ralf-mardorf@riseup.net> wrote:
>
> Hi Liam,
>
> I'll take a look at free

Shows 854 MB.

> htop and Co,

Also shows 854 MB.

> dmidecode, lshw

Show 2 gigabytes.

> hwinfo

I don't think I have that=E2=80=A6 I will have to add it and see.

> /proc/meminfo

Shows 854 MB.

> and/or similar when I boot Alpine again. My Alpine is a
> "System Disk Mode" install.

Same here. It took me three or four goes, but I achieved a system disc
installation with custom partitioning, by the means of creating and
formatting the petition separately, creating the mount points under
`/mnt`, mounting them where I wanted them to be, and then doing an
installation with them all set up and ready. As a result I have
separate /boot, / and /home partitions as well as a swap partition...
And my Windows XP petition is still there as well, and Alpine dual
boots with XP.
>
> With only 2 GiB of RAM a shared memory framebuffer might reduce the RAM
> noticeable.

XP sees all 2 GB. Raspberry pi desktop saw 2 GB.

> I've seen missing RAM by hwinfo, with 4, 8 or 16 GiB RAM,
> IIRC sometimes double the size of the framebuffer shown by the BIOS was
> subtracted, but on my 32 GiB RAM machine hwinfo shows the whole RAM,
> without subtracting the framebuffer.

The GPU is an Intel Poulsbo. It's a horrible device, and it's not well
supported by modern Linux kernels or x.org, but it doesn't take very
much memory.

> Did you already run
>
>   df -h
>
> Maybe a strange tmpfs thing is shown?

I didn't. I will check this as well.


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