Re: Debian only sees 885.5 MiB memory

[Nigel Henry <cave.dnb@tiscali.fr>]

On Friday 15 June 2007 18:42, charlie derr wrote:
> I'm pretty sure the option is HIGHMEM -- grepping a 2.6.18 config file that
> I used to build a working kernel (that allows the ability to access more
> than 885M of RAM) finds
>
> # CONFIG_NOHIGHMEM is not set
> CONFIG_HIGHMEM4G=y
> # CONFIG_HIGHMEM64G is not set
> CONFIG_HIGHMEM=y
>
>
>  hth,
>   ~c

That's confirmed by looking in /boot/config-2.6.11-1-386, which says.

CONFIG_NOHIGHMEM=y
# CONFIG_HIGHMEM4G is not set
# CONFIG_HIGHMEM64G is not set

Thanks for the info that explains all.

Nigel.

<Read the stuff below first, then go back to the top>
>
> Bonnel Christophe wrote:
> > I remember an old option in kernel that asked you which size of ram you
> > think to be used. This option seems to have disappeared now.
> >
> > If you want a 2.6.11 kernel, try to compile the kernel and search for
> > such an option...
> >
> > Christophe
> >
> > Nigel Henry a écrit :
> >> On Friday 15 June 2007 16:46, arijit sarkar wrote:
> >>> On Fri, 2007-06-15 at 08:02 -0500, Gary Rosenfeldt wrote:
> >>>> Hello,
> >>>>
> >>>> I recently installed Debian Etch on my desktop system.  My mobo is an
> >>>> abit nf-7s with nforce2 chipset.  I have 1 gig of ram installed but
> >>>> debian only sees 885.5 MiB of my ram.  Fortunately, I'm not
> >>>> experiencing any stability issues.  Anyone know the cause of this
> >>>> oddity.
> >>>>
> >>>> Thanks,
> >>>>
> >>>> Gary
> >>>
> >>> It's obvious, your motherboard has 128mb shared memory. So debian sess
> >>> only 885.5 mb.
> >>> I also have 1gig RAM and 128 mb as shared graphics memory. My 'system
> >>> monitor' shows ~885mb.
> >>> check out your BIOS settings. :-)
> >>>
> >>> --
> >>> Arijit Sarkar
> >>> Kolkata, India
> >>
> >> That's interesting. I was booted up in Lenny using the 2.6.11 kernel,
> >> and usually see Gkrellm showing 885Mb of my 1Gb RAM. I've since
> >> rebooted with the 2.6.17 kernel , and with that kernel, Gkrellm is
> >> showing the full 1005Mb of RAM. The onboard graphics card is a
> >> Cyberbladei1 (trident driver).
> >>
> >> Quite why booting with the 2.6.11 shows 885Mb, and booting with the
> >> 2.6.17 shows 1005Mb is a bit bizarre. Probably some kernel thingy.
> >>
> >> Nigel.