Re: 16 MB -> 32 MB, a memory problem resolved!

Ulrich Windl (Ulrich.Windl@rz.uni-regensburg.de)
Thu, 18 Apr 1996 08:22:28 +0200


On 17 Apr 96 at 13:44, Stephen C. Tweedie wrote:

> Hi,
>
> On Tue, 16 Apr 1996 12:49:30 -0400 (EDT), "Andrew E. Mileski"
> <aem@nic.ott.hookup.net> said:
>
> >> > > What I found out was that if I told the kernel I had 384 KB less
> >> > > than what I really had, the system would boot with nearly all of the
> >> > > available 32 MB of memory, and the external cache as well.
>
> This is not good behaviour...
>
> > 32M-384k is _NORMAL_ and the point I was trying to make.
>
> Yes. Linux already knows this and takes it into account.

The easiest way to crash Linux is specifying more RAM than you have.
What about a very quick and dirty test of the memory size
(read-modify-read at the highest address)?

[...]
Ulrich