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Date: Sun, 22 Mar 1998 15:20:12 -0500 (EST)
From: Drew Derbyshire <ahd@fantasy-factory.hh.kew.com>
Reply-To: ahd@kew.com
To: FreeBSD-gnats-submit@freebsd.org
Subject: FreeBSD only uses 16M of 48M on Compaq Deskpro 2000
X-Send-Pr-Version: 3.2

>Number:         6098
>Category:       i386
>Synopsis:       FreeBSD only uses 16M of 48M on Compaq Deskpro 2000
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Mar 22 12:30:01 PST 1998
>Closed-Date:    Sat Mar 20 14:08:52 PST 1999
>Last-Modified:  Sat Mar 20 14:09:41 PST 1999
>Originator:     Drew Derbyshire
>Release:        FreeBSD 2.2.6-980321-BETA i386
>Organization:
Kendra Electronic Wonderworks
>Environment:

   Fresh install of 2.2.6-980321-BETA i386 on Compaq DeskPro
   2000 with GENERIC kernel.

>Description:

   Machine has 48M of memory, all which is automatically detected
   by Windows 95 (DOS mode MEM command).  However, booting FreeBSD
   reports:

   /kernel: FreeBSD 2.2.6-980321-BETA #0: Sat Mar 21 22:03:54 GMT 1998
   /kernel:     jkh@make.ican.net:/usr/src/sys/compile/GENERIC
   /kernel: CPU: Pentium (166.19-MHz 586-class CPU)
   /kernel:   Origin = "GenuineIntel"  Id = 0x52c  Stepping=12
   /kernel:   Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
   /kernel: real memory  = 16777216 (16384K bytes)
   /kernel: avail memory = 14376960 (14040K bytes) 

Addition of:

   options         "MAXMEM=(48*1024)"    

Corrects this:

   /kernel: FreeBSD 2.2.6-980321-BETA #3: Sun Mar 22 09:24:08 EST 1998
   /kernel: ahd@fantasy-factory.hh.kew.com:/usr/src/sys/compile/FFACTORY
   /kernel: CPU: Pentium (166.19-MHz 586-class CPU)
   /kernel:   Origin = "GenuineIntel"  Id = 0x52c  Stepping=12
   /kernel:   Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
   /kernel: real memory  = 50331648 (49152K bytes)
   /kernel: avail memory = 46612480 (45520K bytes)


>How-To-Repeat:

	Boot Compaq DeskPro 2000 with 48M.  Contact me (ahd@kew.com)
	if you need it tested.

>Fix:
	
	Workaround: Apply specified line to kernel configuration.

>Release-Note:
>Audit-Trail:

From: Drew Derbyshire <ahd@fantasy-factory.hh.kew.com>
To: freebsd-gnats-submit@freebsd.org, ahd@kew.com, jlemon@AMERICANTV.COM
Cc:  Subject: Re: i386/6098: FreeBSD only uses 16M of 48M on Compaq Deskpro 2000
Date: Mon, 23 Mar 1998 22:28:29 -0500

 Per request JLemon, I tried this on same system with 3.0 current and
 OPTIONS "VM86".  This did not effect the amount reported boot.  Whether the
 kernel would later see the memory is unclear, because another problem (it
 can't find partition on wd2s2), boot does not complete.

From: Drew Derbyshire <ahd@fantasy-factory.hh.kew.com>
To: freebsd-gnats-submit@freebsd.org, ahd@kew.com
Cc:  Subject: Re: i386/6098: FreeBSD only uses 16M of 48M on Compaq Deskpro 2000
Date: Mon, 23 Mar 1998 22:29:04 -0500

 Please change originator of this PR to ahd@kew.com

From: Drew Derbyshire - UUPC/extended software support <software@kew.com>
To: freebsd-gnats-submit@freebsd.org
Cc: jlemon@AMERICANTV.COM
Subject: Re: i386/6098: FreeBSD only uses 16M of 48M on Compaq Deskpro 2000
Date: Thu, 26 Mar 1998 19:33:42 -0500

 Retested with a newer kernel supplied by jlemon; results were successful.  The
 machine reported:
 
 	48128K (reported by call E820)
 
 
 -- 
 Drew Derbyshire         UUPC/extended e-mail:  software@kew.com
                                    Telephone:  617-279-9812
 
 "Shall we dust Moscow?"                 - Banana PC Jr. 6000 series
State-Changed-From-To: open->closed 
State-Changed-By: danny 
State-Changed-When: Thu Mar 26 18:09:16 PST 1998 
State-Changed-Why:  
User reports problem fixed in a newer kernel. 
State-Changed-From-To: closed->open 
State-Changed-By: danny 
State-Changed-When: Thu Mar 26 19:45:26 PST 1998 
State-Changed-Why:  
Works under -current, but problem still exists under 2.2.6 
State-Changed-From-To: open->closed 
State-Changed-By: billf 
State-Changed-When: Sat Mar 20 14:08:52 PST 1999 
State-Changed-Why:  
Problem fixed in 3.x pre-branch, RELENG_2_2 is no longer supported. 
>Unformatted:
