Comment 2 for bug 189269

Revision history for this message
Hendy Irawan (ceefour) wrote : Only 3.1 GB RAM is detected out of 4 GB RAM in Ubuntu Hardy Heron 8.04

My computer has 4 GB of RAM. It got detected as 4 GB flawlessly in Ubuntu Gutsy Gibbons 7.10 but after I fresh-installed Hardy Heron 8.04 it detects 3.1 GB...

Something isn't right :(

root@pawn:/etc/bind# free
total used free shared buffers cached
Mem: 3236844 1706384 1530460 0 488492 678120
-/+ buffers/cache: 539772 2697072
Swap: 5108628 0 5108628

root@pawn:/etc/bind# dmesg | grep MEM
[ 0.000000] Use a HIGHMEM64G enabled kernel.
[ 0.000000] 3200MB HIGHMEM available.
[ 0.000000] 896MB LOWMEM available.
[ 16.945601] MEM window: efb00000-efbfffff
[ 16.945613] MEM window: ef900000-ef9fffff
[ 16.945624] MEM window: ef700000-ef7fffff
[ 16.945634] MEM window: efd00000-efdfffff

root@pawn:/etc/bind# lspci
00:00.0 Host bridge: nVidia Corporation Unknown device 07c3 (rev a2)
00:00.1 RAM memory: nVidia Corporation nForce 630i memory controller (rev a2)
00:01.0 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
00:01.1 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
00:01.2 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
00:01.3 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
00:01.4 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
00:01.5 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
00:01.6 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
00:02.0 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
00:03.0 ISA bridge: nVidia Corporation Unknown device 07d7 (rev a2)
00:03.1 SMBus: nVidia Corporation Unknown device 07d8 (rev a1)
00:03.2 RAM memory: nVidia Corporation Unknown device 07d9 (rev a1)
00:03.3 Co-processor: nVidia Corporation Unknown device 07da (rev a2)
00:03.4 RAM memory: nVidia Corporation Unknown device 07c8 (rev a1)
00:04.0 USB Controller: nVidia Corporation GeForce 7100/nForce 630i (rev a1)
00:04.1 USB Controller: nVidia Corporation GeForce 7100/nForce 630i (rev a1)
00:08.0 IDE interface: nVidia Corporation Unknown device 056c (rev a1)
00:09.0 Audio device: nVidia Corporation MCP73 High Definition Audio (rev a1)
00:0a.0 PCI bridge: nVidia Corporation Unknown device 056d (rev a1)
00:0b.0 PCI bridge: nVidia Corporation Unknown device 056e (rev a1)
00:0c.0 PCI bridge: nVidia Corporation Unknown device 056f (rev a1)
00:0d.0 PCI bridge: nVidia Corporation Unknown device 056f (rev a1)
00:0e.0 IDE interface: nVidia Corporation Unknown device 07f0 (rev a2)
00:0f.0 Ethernet controller: nVidia Corporation MCP73 Ethernet (rev a2)
00:10.0 VGA compatible controller: nVidia Corporation GeForce 7050/nForce 610i (rev a2)

See http://ubuntuforums.org/showthread.php?p=4792462#post4792462