Hello, I am not sure whether this is an error that needs following up on. My machine is a HP dv1240us (Pavillion laptop). I ran "dmesg | grep -i acpi": BIOS-e820: 000000003dee0000 - 000000003deec000 (ACPI data) BIOS-e820: 000000003deec000 - 000000003df00000 (ACPI NVS) ACPI: RSDP (v000 HP ) @ 0x000f7e00 ACPI: RSDT (v001 HP 09B8 0x06040000 LTP 0x00000000) @ 0x3dee76bb ACPI: FADT (v001 HP 09B8 0x06040000 PTL 0x00000050) @ 0x3deebe8c ACPI: HPET (v001 HP 09B8 0x06040000 PTL 0x00000000) @ 0x3deebf00 ACPI: MADT (v001 HP 09B8 0x06040000 PTL 0x00000050) @ 0x3deebf38 ACPI: MADT (v001 HP 09B8 0x06040000 PTL 0x00000000) @ 0x3deebf92 ACPI: BOOT (v001 HP 09B8 0x06040000 LTP 0x00000001) @ 0x3deebfd8 ACPI: SSDT (v001 HP 09B8 0x00000001 INTL 0x20030224) @ 0x3dee7afe ACPI: SSDT (v001 HP 09B8 0x00002000 INTL 0x20030224) @ 0x3dee76fb ACPI: DSDT (v001 HP 09B8 0x06040000 MSFT 0x0100000e) @ 0x00000000 ACPI: PM-Timer IO Port: 0x1008 ACPI: Local APIC address 0xfee00000 ACPI: 2 duplicate APIC table ignored. ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1]) ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0]) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) ACPI: IRQ0 used by override. ACPI: IRQ2 used by override. ACPI: IRQ9 used by override. ACPI: HPET id: 0x8086a201 base: 0x0 Using ACPI (MADT) for SMP configuration information tbxface-0107 [01] load_tables : ACPI Tables successfully acquired ACPI Namespace successfully loaded at root c0682e58 evxfevnt-0089 [02] enable : Transition to ACPI mode successful ACPI: bus type pci registered ACPI: Subsystem revision 20060310 ACPI: Interpreter enabled ACPI: Using IOAPIC for interrupt routing PM: Adding info for acpi:acpi ACPI: PCI Root Bridge [PCI0] (0000:00) PCI quirk: region 1000-107f claimed by ICH4 ACPI/GPIO/TCO ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCIB._PRT] ACPI: PCI Interrupt Link [LNKA] (IRQs *10) ACPI: PCI Interrupt Link [LNKB] (IRQs *5) ACPI: PCI Interrupt Link [LNKC] (IRQs *4) ACPI: PCI Interrupt Link [LNKD] (IRQs *3) ACPI: PCI Interrupt Link [LNKE] (IRQs *11) ACPI: PCI Interrupt Link [LNKF] (IRQs 3) *0, disabled. ACPI: PCI Interrupt Link [LNKG] (IRQs *4) ACPI: PCI Interrupt Link [LNKH] (IRQs *3) ACPI: Embedded Controller [H_EC] (gpe 29) interrupt mode. pnp: PnP ACPI init pnp: PnP ACPI: found 7 devices PCI: Using ACPI for IRQ routing ACPI (acpi_bus-0192): Device [CBUS] is not power manageable [20060310] ACPI: PCI Interrupt 0000:02:09.0[A] -> GSI 20 (level, low) -> IRQ 16 apm: overridden by ACPI. ACPI (acpi_bus-0192): Device [GFX0] is not power manageable [20060310] ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 16 (level, low) -> IRQ 17 ACPI (acpi_bus-0192): Device [MODM] is not power manageable [20060310] ACPI: PCI Interrupt 0000:00:1f.6[B] -> GSI 17 (level, low) -> IRQ 18 ACPI: PCI interrupt for device 0000:00:1f.6 disabled ACPI (acpi_bus-0192): Device [LAN] is not power manageable [20060310] ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 16 (level, low) -> IRQ 17 ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 19 ACPI: (supports S0 S3 S4 S5) ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 16 (level, low) -> IRQ 17 ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 19 (level, low) -> IRQ 20 ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 19 ACPI (acpi_bus-0192): Device [IEEE] is not power manageable [20060310] ACPI: PCI Interrupt 0000:02:09.2[C] -> GSI 22 (level, low) -> IRQ 21 ACPI (acpi_bus-0192): Device [USB7] is not power manageable [20060310] ACPI: PCI Interrupt 0000:00:1d.7[D] -> GSI 23 (level, low) -> IRQ 22 ACPI (acpi_bus-0192): Device [MINI] is not power manageable [20060310] ACPI: PCI Interrupt 0000:02:06.0[A] -> GSI 18 (level, low) -> IRQ 19 ACPI (acpi_bus-0192): Device [AUD0] is not power manageable [20060310] ACPI: PCI Interrupt 0000:00:1f.5[B] -> GSI 17 (level, low) -> IRQ 18 ACPI: AC Adapter [ACAD] (on-line) ACPI: Battery Slot [BAT0] (battery present) ACPI: Power Button (FF) [PWRF] ACPI: Lid Switch [LID0] ACPI: Sleep Button (CM) [SLPB] ACPI: CPU0 (power states: C1[C1] C2[C2] C3[C3]) Time: acpi_pm clocksource has been installed. 0000:00:00.0 Host bridge: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02) 0000:00:00.1 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02) 0000:00:00.3 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02) 0000:00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02) 0000:00:02.1 Display controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02) 0000:00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 03) 0000:00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 03) 0000:00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 03) 0000:00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller (rev 03) 0000:00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 83) 0000:00:1f.0 ISA bridge: Intel Corporation 82801DBM (ICH4-M) LPC Interface Bridge (rev 03) 0000:00:1f.1 IDE interface: Intel Corporation 82801DBM (ICH4-M) IDE Controller (rev 03) 0000:00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller (rev 03) 0000:00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 03) 0000:00:1f.6 Modem: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Modem Controller (rev 03) 0000:02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)0000:02:06.0 Network controller: Intel Corporation PRO/Wireless 2200BG (rev 05) 0000:02:09.0 CardBus bridge: Texas Instruments PCIxx21/x515 Cardbus Controller 0000:02:09.2 FireWire (IEEE 1394): Texas Instruments OHCI Compliant IEEE 1394 Host Controller 0000:02:09.3 Mass storage controller: Texas Instruments PCIxx21 Integrated FlashMedia Controller0000:02:09.4 0805: Texas Instruments PCI6411, PCI6421, PCI6611, PCI6621, PCI7411, PCI7421, PCI7611, PCI7621 Secure Digital (SD) Controller - 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