Date: Tue, 28 Sep 2010 13:38:19 GMT From: Thor Frĝlich <thor@abekat.net> To: freebsd-gnats-submit@FreeBSD.org Subject: amd64/151031: Not all RAM is found on GA-E7AUM-DS2H motherboard Message-ID: <201009281338.o8SDcJ9l088678@www.freebsd.org> Resent-Message-ID: <201009281340.o8SDe2hR015100@freefall.freebsd.org>
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>Number: 151031 >Category: amd64 >Synopsis: Not all RAM is found on GA-E7AUM-DS2H motherboard >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-amd64 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Sep 28 13:40:02 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Thor Frĝlich >Release: FreeBSD 8.1-RELEASE amd64 >Organization: n/a >Environment: FreeBSD ninjapants 8.1-RELEASE FreeBSD 8.1-RELEASE #0: Mon Jul 19 02:36:49 UTC 2010 root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 >Description: Only 1GB RAM found (according to "dmesg | grep memory") in a 2GB system with motherboard of make and type: Gigabyte GA-E7AUM-DSH2. >How-To-Repeat: 1. Install FreeBSD 8.1-RELEASE amd64 on machine with more than 1GB RAM and a Gigabyte GA-E7AUM-DS2H motherboard. 2. Run "dmesg | grep memory" 3. Observe output: "real memory = 1073741824 (1024 MB)" >Fix: According to this webpage it's a problem with SMAP: http://miko.org/~tatyana/tech/FreeBSD/FreeBSD_on_GA-E7AUM-DS2H_with_Over_2GB_of_RAM.html A patch for biossmap.c is given on said website, but I've no idea if it works or is sane: http://miko.org/~tatyana/tech/FreeBSD/FreeBSD_8.0_GA-E7AUM-DS2H_Over2GB.diff >Release-Note: >Audit-Trail: >Unformatted:
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