Hi guys, Browsing dmesg for RAID info before installing Ubuntu on the drive, I found a request to send you this info. Just one question : what change could make the acpi_osi=Linux ? and how could I test it ? Thanks William [ 55.442244] ACPI: EC: Look up EC in DSDT [ 55.442349] ACPI: BIOS _OSI(Linux) query ignored [ 55.442350] ACPI: DMI System Vendor: Dell Inc. [ 55.442351] ACPI: DMI Product Name: MXG071 [ 55.442353] ACPI: DMI Product Version: [ 55.442354] ACPI: DMI Board Name: 0KX412 [ 55.442355] ACPI: DMI BIOS Vendor: Dell Inc. [ 55.442356] ACPI: DMI BIOS Date: 10/30/2007 [ 55.442357] ACPI: Please send DMI info above to linux-acpi@xxxxxxxxxxxxxxx [ 55.442358] ACPI: If "acpi_osi=Linux" works better, please notify linux-acpi@xxxxxxxxxxxxxxx [ 55.479719] ACPI: SSDT CBE82880, 0043 (r1 LMPWR DELLLOM 1001 INTL 20050624) [ 55.479846] ACPI: Interpreter enabled [ 55.479849] ACPI: (supports S0 S3 S4 S5) [ 55.479859] ACPI: Using IOAPIC for interrupt routing [ 55.497264] ACPI: PCI Root Bridge [PCI0] (0000:00) -- 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