Re: Problem with 1G RAM
Jeffrey Hutzelman (jhutz+@cmu.edu)
Thu, 3 Dec 1998 00:16:16 -0500 (EST)
> >
> > I don't remember the exact details, but we determined that the 2.0.x
> > kernel was trashing some data structure during initialization if there
> > was too much memory. It seems to work correctly with mem=960M; we
> > actually patched our kernels to use that as an upper bound on the
> > amount of memory to use, regardless of what the BIOS or user say about
> > how much memory is available.
> >
> > -- Jeffrey T. Hutzelman (N3NHS) <jhutz+@cmu.edu>
>
> i tried 2.1.130. it works fine with memory up to 1008M. at 1016M, the
> kernel boots, but sound and some other modules won't initialize correctly
> and file system is in trouble as well ( cuz the root is not cleanly
> unmounted even via regular shutting down). beyond 1016M, the kernel either
> reboot itself right away or just hang.
>
> is this a bug of the kernel or the bug of my mother board/memory modules?
>
> cc reply to me pls.
I haven't had much experience with 2.1 series kernels; possibly someone
else can provide a better answer. However, if I had to guess, I'd say
it's a deficiency in the kernel, just like the problems we had with
2.0 series kernels above 960MB.
-- Jeffrey T. Hutzelman (N3NHS) <jhutz+@cmu.edu>
Systems Programmer
School of Computer Science - Research Computing Facility
Carnegie Mellon University - Pittsburgh, PA
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