Hi, As requested in kernel output: [ 0.636451] ACPI: EC: Look up EC in DSDT [ 0.640204] ACPI: BIOS _OSI(Linux) query ignored [ 0.640206] ACPI: DMI System Vendor: Dell Inc. [ 0.640208] ACPI: DMI Product Name: PowerEdge R300 [ 0.640209] ACPI: DMI Product Version: [ 0.640211] ACPI: DMI Board Name: 0TY179 [ 0.640212] ACPI: DMI BIOS Vendor: Dell Inc. [ 0.640213] ACPI: DMI BIOS Date: 08/15/2008 [ 0.640215] ACPI: Please send DMI info above to linux-acpi@xxxxxxxxxxxxxxx [ 0.640217] ACPI: If "acpi_osi=Linux" works better, please notify linux-acpi@xxxxxxxxxxxxxxx [ 0.640454] ACPI: Interpreter enabled [ 0.640462] ACPI: (supports S0 S4 S5) [ 0.640471] ACPI: Using IOAPIC for interrupt routing [ 0.644648] ACPI: PCI Root Bridge [PCI0] (0000:00) No need to use 'acpi_osi=Linux'. This is Ubuntu 8.10 live, running from an USB stick, on a brand new Dell PowerEdge R300. FreeBSD page faults on the raid controller, Linux just runs :) Robin -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html