Re: Mem detection problem

From: Adam Schrotenboer (
Date: Thu Feb 08 2001 - 19:44:52 EST

Dunlap, Randy wrote:

>> From: Adam Schrotenboer []
>> This is actually a repost of a problem that received few
>> serious replies (IMNSHO).
> Well, I claim not to have ignored it.
> I have gone thru the entire patch-2.4.1 file and can't see
> anything there that would cause what you are seeing.
> You aren't using ACPI, right? (not in your log files)
> [That just makes the patch file of interest smaller.]

Nope, result of grep ACPI .config
# CONFIG_ACPI is not set

>> Basically 2.4.0 detects 192 MB(maybe 191, but big whoop) of
>> memory. This
>> is correct. However, 2.4.1-ac6 (as did Linus-blessed 2.4.1)
>> detects 64.
>> The problem is simple. 2.4.1 and later for some reason uses bios-88,
>> instead of e820.
>> Attached are the dmesgs from 2.4.0 and 2.4.1-ac6.
> Have you booted 2.4.0 again (lately)? You log file is from
> Jan-08-2001. It may also report only 64 MB now, based on
> some kind of BIOS change (or ESCD ...) since Jan-08.

Yes I have booted 2.4.0 much more recently than Jan 8.
Just checked, Jan 8 is the build date, not the boot date.

> Someone else with a similar "problem" actually had a fruit fly
> in one of their slots that caused a problem, so I would ask that
> you (a) boot 2.4.0 again to see if it works now and (b) remove
> adapters, clean slots, reseat adapters, boot 2.4.1 again.
> ~Randy
Weird, but might be worth the try, about as soon as I grab my
screwdriver from my car (in parking lot ~1/5 mile away)

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This archive was generated by hypermail 2b29 : Thu Feb 15 2001 - 21:00:13 EST