@related: [[ACPI]] [[DSDT]] [[ACPI.en]]

  $ demsg | grep acpi # arpalhands

  BIOS-e820: 000000001ff30000 - 000000001ff40000 (ACPI data)
  BIOS-e820: 000000001ff40000 - 000000001fff0000 (ACPI NVS)
  user: 000000001ff30000 - 000000001ff40000 (ACPI data)
  user: 000000001ff40000 - 000000001fff0000 (ACPI NVS)
  ACPI: RSDP (v000 ACPIAM                                ) @ 0x000f9d90
  ACPI: RSDT (v001 A M I  OEMRSDT  0x04000518 MSFT 0x00000097) @ 0x1ff30000
  ACPI: FADT (v002 A M I  OEMFACP  0x04000518 MSFT 0x00000097) @ 0x1ff30200
  ACPI: MADT (v001 A M I  OEMAPIC  0x04000518 MSFT 0x00000097) @ 0x1ff30390
  ACPI: OEMB (v001 A M I  OEMBIOS  0x04000518 MSFT 0x00000097) @ 0x1ff40040
  ACPI: DSDT (v001  P4P81 P4P81106 0x00000106 INTL 0x02002026) @ 0x00000000
  ACPI: PM-Timer IO Port: 0x808
  ACPI: Local APIC address 0xfee00000
  ACPI: LAPIC (acpi_id[[0x01]] lapic_id[[0x00]] enabled)
  ACPI: LAPIC (acpi_id[[0x02]] lapic_id[[0x01]] enabled)
  ACPI: IOAPIC (id[[0x02]] 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.
  Using ACPI (MADT) for SMP configuration information
  ACPI: Looking for DSDT in initrd... not found.
  ACPI: Subsystem revision 20050309
  ACPI: Interpreter enabled
  ACPI: Using IOAPIC for interrupt routing
  ACPI: PCI Root Bridge [[PCI0]] (0000:00)
  ACPI: PCI Interrupt Routing Table [[\_SB_.PCI0._PRT]]
  ACPI: PCI Interrupt Routing Table [[\_SB_.PCI0.P0P4._PRT]]
  ACPI: PCI Interrupt Link [[LNKA]] (IRQs 3 4 5 6 7 *10 11 12 14 15)
  ACPI: PCI Interrupt Link [[LNKB]] (IRQs 3 4 *5 6 7 10 11 12 14 15)
  ACPI: PCI Interrupt Link [[LNKC]] (IRQs 3 4 *5 6 7 10 11 12 14 15)
  ACPI: PCI Interrupt Link [[LNKD]] (IRQs 3 4 *5 6 7 10 11 12 14 15)
  ACPI: PCI Interrupt Link [[LNKE]] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
  ACPI: PCI Interrupt Link [[LNKF]] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
  ACPI: PCI Interrupt Link [[LNKG]] (IRQs 3 4 *5 6 7 10 11 12 14 15)
  ACPI: PCI Interrupt Link [[LNKH]] (IRQs 3 4 5 6 7 10 *11 12 14 15)
  pnp: PnP ACPI init
  pnp: PnP ACPI: found 14 devices
  PCI: Using ACPI for IRQ routing
  ACPI: PCI Interrupt 0000:00:1f.1[[A]] -> GSI 18 (level, low) -> IRQ 18
  ACPI wakeup devices:
  ACPI: (supports S0 S1 S3 S4 S5)
  ACPI: PCI Interrupt 0000:00:1d.0[[A]] -> GSI 16 (level, low) -> IRQ 16
  ACPI: PCI Interrupt 0000:00:1d.1[[B]] -> GSI 19 (level, low) -> IRQ 19
  ACPI: PCI Interrupt 0000:00:1d.2[[C]] -> GSI 18 (level, low) -> IRQ 18
  ACPI: PCI Interrupt 0000:00:1d.3[[A]] -> GSI 16 (level, low) -> IRQ 16
  ACPI: PCI Interrupt 0000:00:1d.7[[D]] -> GSI 23 (level, low) -> IRQ 23
  ACPI: Power Button (FF) [[PWRF]]
  ACPI: PCI Interrupt 0000:02:05.0[[A]] -> GSI 22 (level, low) -> IRQ 22
  ACPI: PCI Interrupt 0000:02:05.0[[A]] -> GSI 22 (level, low) -> IRQ 22
  ACPI: PCI Interrupt 0000:00:1f.5[[B]] -> GSI 17 (level, low) -> IRQ 17
  ACPI: PCI Interrupt 0000:01:00.0[[A]] -> GSI 16 (level, low) -> IRQ 16