Comment 17 for bug 760842

By the way, here is the ACPI part of my dmesg output:

[ 0.769740] ACPI: bus type pci registered
[ 0.769745] Trying to unpack rootfs image as initramfs...
[ 0.769787] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000)
[ 0.769788] PCI: not using MMCONFIG
[ 0.769789] PCI: Using configuration type 1 for base access
[ 0.770201] bio: create slab <bio-0> at 0
[ 0.770978] ACPI: EC: Look up EC in DSDT
[ 0.771651] ACPI: Executed 1 blocks of module-level executable AML code
[ 0.773175] ACPI Error: [RAMB] Namespace lookup failure, AE_NOT_FOUND (20110112/psargs-359)
[ 0.773178] ACPI Exception: AE_NOT_FOUND, Could not execute arguments for [RAMW] (Region) (20110112/nsinit-349)
[ 0.773368] ACPI: SSDT 00000000bf5d9c18 0038C (v01 AMI IST 00000001 MSFT 03000001)
[ 0.773580] ACPI: Dynamic OEM Table Load:
[ 0.773582] ACPI: SSDT (null) 0038C (v01 AMI IST 00000001 MSFT 03000001)
[ 0.773604] ACPI: SSDT 00000000bf5dae18 00084 (v01 AMI CST 00000001 MSFT 03000001)
[ 0.773778] ACPI: Dynamic OEM Table Load:
[ 0.773779] ACPI: SSDT (null) 00084 (v01 AMI CST 00000001 MSFT 03000001)
[ 0.774138] ACPI: Interpreter enabled
[ 0.774139] ACPI: (supports S0 S1 S3 S4 S5)
[ 0.774152] ACPI: Using IOAPIC for interrupt routing
[ 0.774165] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000)
[ 0.774213] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in ACPI motherboard resources
[ 0.784041] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 0.786875] ACPI: EC: GPE = 0x18, I/O: command/status = 0x66, data = 0x62
[ 0.786961] ACPI: No dock devices found.
[ 0.786962] HEST: Table not found.
[ 0.786964] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 0.787088] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

Those 2 lines might be most important, but I didn't find out much about them:
[ 0.773175] ACPI Error: [RAMB] Namespace lookup failure, AE_NOT_FOUND (20110112/psargs-359)
[ 0.773178] ACPI Exception: AE_NOT_FOUND, Could not execute arguments for [RAMW] (Region) (20110112/nsinit-349)