Hi, I found these messages in kernel log. I will try to complain to the BIOS vendor. ----- Sep 25 07:00:43 fu9-32 kernel: powernow-k8: Your BIOS does not provide ACPI _PSS objects in a way that Linux understands. Please report this to the Linux ACPI maintainers and complain to your BIOS vendor. Sep 25 07:00:43 fu9-32 kernel: powernow-k8: Your BIOS does not provide ACPI _PSS objects in a way that Linux understands. Please report this to the Linux ACPI maintainers and complain to your BIOS vendor. ----- dmidecode reports the BIOS as: ----- Vendor: Phoenix Technologies, LTD Version: ASUS M2A-VM ACPI BIOS Revision 1604 Release Date: 12/19/2007 ----- biosdecode 2.9 says: ----- ACPI 2.0 present. OEM Identifier: ATI RSD Table 32-bit Address: 0xCFEE3040 XSD Table 64-bit Address: 0x00000000CFEE3100 ----- grep ACPI /var/log/messages ----- Sep 25 07:00:43 fu9-32 kernel: BIOS-e820: 00000000cfee0000 - 00000000cfee3000 (ACPI NVS) Sep 25 07:00:43 fu9-32 kernel: BIOS-e820: 00000000cfee3000 - 00000000cfef0000 (ACPI data) Sep 25 07:00:43 fu9-32 kernel: ACPI: RSDP 000F8210, 0024 (r2 ATI ) Sep 25 07:00:43 fu9-32 kernel: ACPI: XSDT CFEE3100, 0044 (r1 ATI ASUSACPI 42302E31 AWRD 0) Sep 25 07:00:43 fu9-32 kernel: ACPI: FACP CFEE8440, 00F4 (r3 ATI ASUSACPI 42302E31 AWRD 0) Sep 25 07:00:43 fu9-32 kernel: ACPI: DSDT CFEE3280, 515D (r1 ATI ASUSACPI 1000 MSFT 3000000) Sep 25 07:00:43 fu9-32 kernel: ACPI: FACS CFEE0000, 0040 Sep 25 07:00:43 fu9-32 kernel: ACPI: HPET CFEE8680, 0038 (r1 ATI ASUSACPI 42302E31 AWRD 98) Sep 25 07:00:43 fu9-32 kernel: ACPI: MCFG CFEE8700, 003C (r1 ATI ASUSACPI 42302E31 AWRD 0) Sep 25 07:00:43 fu9-32 kernel: ACPI: APIC CFEE8580, 0084 (r1 ATI ASUSACPI 42302E31 AWRD 0) Sep 25 07:00:43 fu9-32 kernel: ACPI: PM-Timer IO Port: 0x4008 Sep 25 07:00:43 fu9-32 kernel: ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) Sep 25 07:00:43 fu9-32 kernel: ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) Sep 25 07:00:43 fu9-32 kernel: ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] disabled) Sep 25 07:00:43 fu9-32 kernel: ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] disabled) Sep 25 07:00:43 fu9-32 kernel: ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1]) Sep 25 07:00:43 fu9-32 kernel: ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) Sep 25 07:00:43 fu9-32 kernel: ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1]) Sep 25 07:00:43 fu9-32 kernel: ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1]) Sep 25 07:00:43 fu9-32 kernel: ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0]) Sep 25 07:00:43 fu9-32 kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) Sep 25 07:00:43 fu9-32 kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) Sep 25 07:00:43 fu9-32 kernel: ACPI: HPET id: 0x8200 base: 0xfed00000 Sep 25 07:00:43 fu9-32 kernel: Using ACPI (MADT) for SMP configuration information Sep 25 07:00:43 fu9-32 kernel: ACPI: Core revision 20080321 Sep 25 07:00:43 fu9-32 kernel: ACPI: bus type pci registered Sep 25 07:00:43 fu9-32 kernel: ACPI: Interpreter enabled Sep 25 07:00:43 fu9-32 kernel: ACPI: (supports S0 S1 S3 S4 S5) Sep 25 07:00:43 fu9-32 kernel: ACPI: Using IOAPIC for interrupt routing Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Root Bridge [PCI0] (0000:00) Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 10 11) *0, disabled. Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 10 11) *0, disabled. Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 10 11) *0, disabled. Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 10 11) *0, disabled. Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 10 11) *0, disabled. Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 10 11) *0, disabled. Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt Link [LNK0] (IRQs 3 4 5 6 7 10 *11) Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt Link [LNK1] (IRQs 3 4 5 6 7 10 11) *0, disabled. Sep 25 07:00:43 fu9-32 kernel: pnp: PnP ACPI init Sep 25 07:00:43 fu9-32 kernel: ACPI: bus type pnp registered Sep 25 07:00:43 fu9-32 kernel: pnp: PnP ACPI: found 11 devices Sep 25 07:00:43 fu9-32 kernel: ACPI: ACPI bus type pnp unregistered Sep 25 07:00:43 fu9-32 kernel: PCI: Using ACPI for IRQ routing Sep 25 07:00:43 fu9-32 kernel: ACPI: RTC can wake from S4 Sep 25 07:00:43 fu9-32 kernel: ACPI: Power Button (FF) [PWRF] Sep 25 07:00:43 fu9-32 kernel: ACPI: Power Button (CM) [PWRB] Sep 25 07:00:43 fu9-32 kernel: ACPI: PNP0C0B:00 is registered as cooling_device0 Sep 25 07:00:43 fu9-32 kernel: ACPI: Fan [FAN] (on) Sep 25 07:00:43 fu9-32 kernel: ACPI: ACPI0007:00 is registered as cooling_device1 Sep 25 07:00:43 fu9-32 kernel: ACPI: ACPI0007:01 is registered as cooling_device2 Sep 25 07:00:43 fu9-32 kernel: ACPI: Expecting a [Reference] package element, found type 0 Sep 25 07:00:43 fu9-32 kernel: ACPI: LNXTHERM:01 is registered as thermal_zone0 Sep 25 07:00:43 fu9-32 kernel: ACPI: Thermal Zone [THRM] (40 C) Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt 0000:00:13.5[D] -> GSI 19 (level, low) -> IRQ 19 Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt 0000:00:13.0[A] -> GSI 16 (level, low) -> IRQ 16 Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt 0000:00:13.1[B] -> GSI 17 (level, low) -> IRQ 17 Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt 0000:00:13.2[C] -> GSI 18 (level, low) -> IRQ 18 Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt 0000:00:13.3[B] -> GSI 17 (level, low) -> IRQ 17 Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt 0000:00:13.4[C] -> GSI 18 (level, low) -> IRQ 18 Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt 0000:00:12.0[A] -> GSI 22 (level, low) -> IRQ 22 Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 19 (level, low) -> IRQ 19 Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt 0000:00:14.1[A] -> GSI 16 (level, low) -> IRQ 16 Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt 0000:00:14.2[A] -> GSI 16 (level, low) -> IRQ 16 Sep 25 07:00:43 fu9-32 kernel: ACPI: PCI Interrupt 0000:01:00.1[B] -> GSI 19 (level, low) -> IRQ 19 Sep 25 07:00:43 fu9-32 kernel: powernow-k8: Your BIOS does not provide ACPI _PSS objects in a way that Linux understands. Please report this to the Linux ACPI maintainers and complain to your BIOS vendor. Sep 25 07:00:43 fu9-32 kernel: powernow-k8: Your BIOS does not provide ACPI _PSS objects in a way that Linux understands. Please report this to the Linux ACPI maintainers and complain to your BIOS vendor. ----- -- -- 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