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Date:      Thu, 21 Sep 2000 15:37:48 +0100 (BST)
From:      Cliff Rowley <cliff@olive.co.uk>
To:        chris@ritc.co.uk
Cc:        freebsd-hardware@freebsd.org
Subject:   Re: Memory detection problems
Message-ID:  <Pine.BSF.4.21.0009211537270.7753-100000@merlin.osl.co.uk>
In-Reply-To: <Pine.LNX.4.21.0009211512500.21432-100000@cartman.ritc.co.uk>

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I had exactly the same thing a few months back.  I replaced my RAM and
I've never seen it since.

Cliff Rowley
Software Engineer
Olive Systems LTD
http://www.olive.co.uk

On Thu, 21 Sep 2000 chris@ritc.co.uk wrote:

> Hi all,
> 
> I'm having some problems with FreeBSD 3.4-STABLE, and I was hoping
> somebody could help me. The machine has had the same amount of
> memory (32Mb), and the same kernel installed since April 4th, but in that
> time it has reported many different memory sizes:
> 
> Apr  4 13:21:39 kenny /kernel: real memory  = 16842752 (16448K bytes)
> May 15 23:40:32 kenny /kernel: real memory  = 31457280 (30720K bytes)
> May 18 06:23:30 kenny /kernel: real memory  = 20316160 (19840K bytes)
> May 18 13:02:25 kenny /kernel: real memory  = 17104896 (16704K bytes)
> May 18 13:16:12 kenny /kernel: real memory  = 17203200 (16800K bytes)
> May 18 19:53:19 kenny /kernel: real memory  = 16875520 (16480K bytes)
> May 18 19:57:40 kenny /kernel: real memory  = 16842752 (16448K bytes)
> Jun  4 00:36:42 kenny /kernel: real memory  = 16842752 (16448K bytes)
> Jun  9 09:18:47 kenny /kernel: real memory  = 31457280 (30720K bytes)
> Jun 11 12:58:15 kenny /kernel: real memory  = 21561344 (21056K bytes)
> Jun 11 20:50:25 kenny /kernel: real memory  = 16908288 (16512K bytes)
> Jun 29 13:55:16 kenny /kernel: real memory  = 31457280 (30720K bytes)
> Jun 29 13:58:44 kenny /kernel: real memory  = 31457280 (30720K bytes)
> Jul  1 14:23:26 kenny /kernel: real memory  = 16842752 (16448K bytes)
> Sep 20 17:22:07 kenny /kernel: real memory  = 16842752 (16448K bytes)
> Sep 21 09:33:26 kenny /kernel: real memory  = 16842752 (16448K bytes)
> Sep 21 10:10:04 kenny /kernel: real memory  = 16842752 (16448K bytes)
> 
> The machine is running very slowly right now, and constantly swapping,
> with a 16Mb squid process in memory. The "active" memory shown by
> "top" never goes over 8216K. I believe this is because it has only
> detected 16 Mb of memory, but I have no idea why. I looked into forcing
> the kernel's memory detection in the kernel config file, but without
> success so far. If anyone can help me, I would really appreciate it.
> 
> Last boot:
> Sep 21 09:33:26 kenny /kernel: Copyright (c) 1992-1999 FreeBSD Inc.
> Sep 21 09:33:26 kenny /kernel: Copyright (c) 1982, 1986, 1989, 1991, 1993
> Sep 21 09:33:26 kenny /kernel: The Regents of the University of
>                 California. All rights reserved.
> Sep 21 09:33:26 kenny /kernel: FreeBSD 3.4-STABLE #2: Tue Apr  4 12:27:16
>                 BST 2000
> Sep 21 09:33:26 kenny /kernel: 
>                 root@kenny.ritc.co.uk:/usr/src/sys/compile/KENNY
> Sep 21 09:33:26 kenny /kernel: Timecounter "i8254"  frequency 1193182 Hz
> Sep 21 09:33:26 kenny /kernel: CPU: Cyrix 6x86MX (262.50-MHz 686-class CPU)
> Sep 21 09:33:26 kenny /kernel: Origin = "CyrixInstead"  Id = 0x601
>                 Stepping = 1 DIR=0x1454
> Sep 21 09:33:26 kenny /kernel: Features=0x80a135<FPU,DE,TSC,MSR,CX8,PGE,CMOV,MMX>
> Sep 21 09:33:26 kenny /kernel: real memory  = 16842752 (16448K bytes)
> Sep 21 09:33:26 kenny /kernel: avail memory = 13901824 (13576K bytes)
> Sep 21 09:33:26 kenny /kernel: Preloaded elf kernel "kernel" at 0xc02b0000.
> Sep 21 09:33:26 kenny /kernel: Probing for devices on PCI bus 0:
> Sep 21 09:33:26 kenny /kernel: chip0: <Host to PCI bridge (vendor=1039 device=0530)> rev 0x02 on pci0.0.0
> Sep 21 09:33:26 kenny /kernel: ide_pci0: <PCI IDE controller (busmaster capable)
> > rev 0xd0 int a irq 14 on pci0.0.1
> Sep 21 09:33:26 kenny /kernel: chip1: <SiS 85c503> rev 0xb3 on pci0.1.0
> Sep 21 09:33:26 kenny /kernel: vga0: <SiS 86c201 SVGA controller> rev 0x00 on pci0.2.0
> ...
> Sep 21 09:33:26 kenny /kernel: vga1: <SiS model 6306 VGA-compatible display device> rev 0xa2 int a irq 11 on pci1.0.0
> ...
> 
> uname -a:
> FreeBSD kenny.ritc.co.uk 3.4-STABLE FreeBSD 3.4-STABLE #2: Tue Apr  4
> 12:27:16 BST 2000     root@kenny.ritc.co.uk:/usr/src/sys/compile/KENNY i386
> 
> Thank you kindly for any help you can give me =)
> 
> Cheers, Chris.
> 
> 
> 
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