Re: Big problems with 1 GB of memory

From: Chris Cox (notccox_at_notairmail.net)
Date: 10/15/03


Date: Tue, 14 Oct 2003 17:36:14 -0500

Burkhard Schultheis wrote:
> Yesterday I got additional 512 MB for my office pc. Before I had 512 MB
> RAM and SuSE 8.2 worked normally. But after installing the memory I have
> big problems:
>
> 1. I cannot use the nvidia driver. Error message: "Failed to allocate
> config DMA context". Root user can start X11, but not a normal user.
> Back to 512 MB: Error is gone.

Diable the frame buffer for Grub/LILO and the 1st virtual console.
Known problem (but this may not be the only problem).

>
> 2. VMware cannot start. I have changed /etc/vmware/config with reserved
> memory to various values as recommended from the software, but it cannot
> run. I have tried with mem=959M in Lilo. Back to 512 MB RAM: VMware
> runs.

You'll need to run with the 4GB kernel instead of the 64GB one that
SuSE likes to install be default. You may have to "prep" your kernel
sources so you can compile against the 4GB source version for the VMware
modules. You CANNOT use the ones supplied by SuSE.

>
> 3. Memtest86 V3 starts only from floppy, not from hard disk. But I'm not
> 100 % sure that it starts with 512 MB RAM.
>
> Last night I tested the memory with memtest86, but it came to 54 % in
> Test 11 only. No errors until then.

Hmmm... not sure what to suggest there. My 1G machine with an Nvidia
at least passed the memtest test.

Do you have a local LUG that can help troubleshoot directly? Might take
some local action to determine the actual problem.
(too many variables)



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