This IS NOT fixed in Edgy. My Nforce4 system still freezes at boot on: [17179572.964000] ACPI: Looking for DSDT ... not found! https://launchpad.net/distros/ubuntu/+source/linux- source-2.6.17/+bug/71189 I am willing to help fix this. Why is this bug dormant? -- MSI Neo4 FI hangs without acpi=off https://launchpad.net/bugs/22148