>I've RH7.1 with updates and kernel 2.4.14 from tgz, root filesystem is on
>Hardware: 1.5 GB RAM, asus cuv4x-e, via chipset (host bridge: VT82C693A/694x).
>Kernel is compiled with support for more then 1GB memory. (4GB).
>I've tested this hardware with memtest86 (ver. 2.8) and everything looks good.
>But linux is unstable. Mysql reports corrupted databases. I get crc
>errors when I try ungzip zipped files. Programs dump cores from time to
>time. And my linux box hanged one time.
>I've tryed 2.4.7 kernel with no support for more then 1GB memory (linux see
>about 900MB memory) but problems still appear.
>Finally I've only 512MB RAM and linux looks stable with 2.4.7 and 2.4.14.
>What I should do to have stable linux with 1.5GB RAM ?
>Should I try to redhat kernel-2.4.9-enterprise ? (My / is on raid1 so I don't
>know is it possible)
>I'm not subscribed on this list.
Well, I have a similar problem. I'm appending a post that I sent to the
"Dri-users" list last week.
I have just upped my RAM from 512MB to 1.5GB and am having problems.
When I run any 3D accellerated app (e.g. gears) the machine locks hard.
(Can't ping it) I have checked the memory thoroughly using memtest86
and it checks OK. I have narrowed the problem down to having more than
1024MB physically in the machine. If I have only 1024MB installed,
everything is fine. If I have 1280MB or 1536MB installed, I have this
problem. Note that "boot: linux mem=1024M" does not help. Nor does
booting a kernel compiled without high memory support.
I suspect that X is using a memory address just above 0x40000000 (1GB)
for something and now there is real memory at that address. I notice in
the log that something called SAREA gets mapped to 0x40016000 but I
don't know what that is.
Changing the AGP aperture seems to help some. Changing it from the
default 64M to 8M allows "gears" to work and I even get an incompletely
rendered frame in the game "Rune" before it locks.
Here is my setup:
Epox 8KTA2 MB (KT133 chipset?)
1200MHZ Athlon (sdr)
1536MB sdram pc-133
Any suggestions appreciated.
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