Re: PROBLEM: Incorrect RAM Detected at kernel init

From: Terry
Date: Mon Aug 22 2005 - 20:50:35 EST


I have not been able to get the memory hole turned off at the 16M mark
Going through some of the Documentation files, I noticed that I can specify a ram map with the mem boot option. I know the mem=768M hasn't worked, so what about trying the memory map option? Could that be a solution to my problem? If so, what would be the proper way to put the command?
As well I have downloaded the 2.4.18 kernel and in the latest distro of Slackware, 10.1, it doesn't want to compile, I can't remember the exact error, but it was referenced back to one of the asm headers as the problem. I will dig that error up and maybe post based on that to get that kernel running.
As well, going to a 2.6 kernel just in not overly feasable at this time as it takes 24 hrs to compile with the state the machine is in right now.

Terry
----- Original Message ----- From: "Douglas McNaught" <doug@xxxxxxxxxxxx>
To: "Terry" <tmacmill@xxxxxxxxxxxx>
Cc: <linux-kernel@xxxxxxxxxxxxxxx>
Sent: Monday, August 22, 2005 7:36 PM
Subject: Re: PROBLEM: Incorrect RAM Detected at kernel init


"Terry" <tmacmill@xxxxxxxxxxxx> writes:

The kernel appears to compile perfectly, installs fine, but after reboot it
is only reporting 16M of RAM. I have tried with and without the mem=768M

I've seen this happen with BIOSes of your vintage when there's a
"memory hole at 16M" turned on--the kernel doesn't see anything beyond
it. See if you can get into the Setup program and turn that off.

Since earlier kernels work, the later kernels are probably trusting
the e820 tables which may not be set up properly...

[Not that I know that much about this stuff]

-Doug



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