Thread: error about ACPI _OSC request failed (AE_NOT_FOUND)

i have ubuntu server 11.10 64 bit

see error in kernel.log. error comes out when server reboot.

port of grep apci in kernel.log;
dec 5 09:08:51 www kernel: [ 0.588605] pci0000:00: requesting acpi _osc control (0x1d)
dec 5 09:08:51 www kernel: [ 0.588667] pci0000:00: acpi _osc request failed (ae_not_found), returned control mask: 0x1d
dec 5 09:08:51 www kernel: [ 0.588746] acpi _osc control pcie not granted, disabling aspm

hardware may cause error ?

root@www:# grep -r acpi /var/log/kern.log
dec 5 09:08:51 www kernel: [ 0.000000] bios-e820: 00000000bf780000 - 00000000bf798000 (acpi data)
dec 5 09:08:51 www kernel: [ 0.000000] bios-e820: 00000000bf798000 - 00000000bf7dc000 (acpi nvs)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: rsdp 00000000000fb1a0 00014 (v00 acpiam)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: rsdt 00000000bf780000 00040 (v01 022410 rsdt1405 20100224 msft 00000097)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: facp 00000000bf780200 00084 (v01 022410 facp1405 20100224 msft 00000097)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: dsdt 00000000bf7804b0 0c359 (v01 a1279 a1279001 00000001 intl 20060113)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: facs 00000000bf798000 00040
dec 5 09:08:51 www kernel: [ 0.000000] acpi: apic 00000000bf780390 000d8 (v01 022410 apic1405 20100224 msft 00000097)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: mcfg 00000000bf780470 0003c (v01 022410 oemmcfg 20100224 msft 00000097)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: oemb 00000000bf798040 00072 (v01 022410 oemb1405 20100224 msft 00000097)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: hpet 00000000bf78f4b0 00038 (v01 022410 oemhpet 20100224 msft 00000097)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: osfr 00000000bf78f4f0 000b0 (v01 022410 oemosfr 20100224 msft 00000097)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: ssdt 00000000bf798fe0 00363 (v01 dpgpmm cpupm 00000012 intl 20060113)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: local apic address 0xfee00000
dec 5 09:08:51 www kernel: [ 0.000000] acpi: pm-timer io port: 0x808
dec 5 09:08:51 www kernel: [ 0.000000] acpi: local apic address 0xfee00000
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x01] lapic_id[0x00] enabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x02] lapic_id[0x02] enabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x03] lapic_id[0x04] enabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x04] lapic_id[0x06] enabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x05] lapic_id[0x84] disabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x06] lapic_id[0x85] disabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x07] lapic_id[0x86] disabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x08] lapic_id[0x87] disabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x09] lapic_id[0x88] disabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x0a] lapic_id[0x89] disabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x0b] lapic_id[0x8a] disabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x0c] lapic_id[0x8b] disabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x0d] lapic_id[0x8c] disabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x0e] lapic_id[0x8d] disabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x0f] lapic_id[0x8e] disabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x10] lapic_id[0x8f] disabled)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: ioapic (id[0x01] address[0xfec00000] gsi_base[0])
dec 5 09:08:51 www kernel: [ 0.000000] acpi: ioapic (id[0x03] address[0xfec8a000] gsi_base[24])
dec 5 09:08:51 www kernel: [ 0.000000] acpi: int_src_ovr (bus 0 bus_irq 0 global_irq 2 dfl dfl)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: int_src_ovr (bus 0 bus_irq 9 global_irq 9 high level)
dec 5 09:08:51 www kernel: [ 0.000000] acpi: irq0 used override.
dec 5 09:08:51 www kernel: [ 0.000000] acpi: irq2 used override.
dec 5 09:08:51 www kernel: [ 0.000000] acpi: irq9 used override.
dec 5 09:08:51 www kernel: [ 0.000000] using acpi (madt) smp configuration information
dec 5 09:08:51 www kernel: [ 0.000000] acpi: hpet id: 0x8086a301 base: 0xfed00000
dec 5 09:08:51 www kernel: [ 0.009507] acpi: core revision 20110413
dec 5 09:08:51 www kernel: [ 0.499129] pm: registering acpi nvs region @ bf798000 (278528 bytes)
dec 5 09:08:51 www kernel: [ 0.500749] acpi: bus type pci registered
dec 5 09:08:51 www kernel: [ 0.502747] acpi: ec: ec in dsdt
dec 5 09:08:51 www kernel: [ 0.503788] acpi: executed 1 blocks of module-level executable aml code
dec 5 09:08:51 www kernel: [ 0.520435] acpi: ssdt 00000000bf7980c0 00f20 (v01 dpgpmm p001ist 00000011 intl 20060113)
dec 5 09:08:51 www kernel: [ 0.520863] acpi: dynamic oem table load:
dec 5 09:08:51 www kernel: [ 0.520990] acpi: ssdt (null) 00f20 (v01 dpgpmm p001ist 00000011 intl 20060113)
dec 5 09:08:51 www kernel: [ 0.521308] acpi: interpreter enabled
dec 5 09:08:51 www kernel: [ 0.521366] acpi: (supports s0 s1 s3 s4 s5)
dec 5 09:08:51 www kernel: [ 0.521611] acpi: using ioapic interrupt routing
dec 5 09:08:51 www kernel: [ 0.522622] pci: mmconfig @ [mem 0xe0000000-0xefffffff] reserved in acpi motherboard resources
dec 5 09:08:51 www kernel: [ 0.554150] acpi: no dock devices found.
dec 5 09:08:51 www kernel: [ 0.554267] pci: using host bridge windows acpi; if necessary, use "pci=nocrs" , report bug
dec 5 09:08:51 www kernel: [ 0.555231] acpi: pci root bridge [pci0] (domain 0000 [bus 00-ff])
dec 5 09:08:51 www kernel: [ 0.588224] acpi: pci interrupt routing table [\_sb_.pci0._prt]
dec 5 09:08:51 www kernel: [ 0.588398] acpi: pci interrupt routing table [\_sb_.pci0.p0p1._prt]
dec 5 09:08:51 www kernel: [ 0.588451] acpi: pci interrupt routing table [\_sb_.pci0.p0p4._prt]
dec 5 09:08:51 www kernel: [ 0.588473] acpi: pci interrupt routing table [\_sb_.pci0.p0p6._prt]
dec 5 09:08:51 www kernel: [ 0.588492] acpi: pci interrupt routing table [\_sb_.pci0.p0p7._prt]
dec 5 09:08:51 www kernel: [ 0.588512] acpi: pci interrupt routing table [\_sb_.pci0.p0p8._prt]
dec 5 09:08:51 www kernel: [ 0.588540] acpi: pci interrupt routing table [\_sb_.pci0.npe1._prt]
dec 5 09:08:51 www kernel: [ 0.588559] acpi: pci interrupt routing table [\_sb_.pci0.npe3._prt]
dec 5 09:08:51 www kernel: [ 0.588579] acpi: pci interrupt routing table [\_sb_.pci0.npe7._prt]
dec 5 09:08:51 www kernel: [ 0.588605] pci0000:00: requesting acpi _osc control (0x1d)
dec 5 09:08:51 www kernel: [ 0.588667] pci0000:00: acpi _osc request failed (ae_not_found), returned control mask: 0x1d
dec 5 09:08:51 www kernel: [ 0.588746] acpi _osc control pcie not granted, disabling aspm
dec 5 09:08:51 www kernel: [ 0.597666] acpi: pci interrupt link [lnka] (irqs 3 4 6 7 10 11 12 14 *15)
dec 5 09:08:51 www kernel: [ 0.598142] acpi: pci interrupt link [lnkb] (irqs *5)
dec 5 09:08:51 www kernel: [ 0.598336] acpi: pci interrupt link [lnkc] (irqs 3 4 6 7 10 *11 12 14 15)
dec 5 09:08:51 www kernel: [ 0.598810] acpi: pci interrupt link [lnkd] (irqs 3 4 6 7 *10 11 12 14 15)
dec 5 09:08:51 www kernel: [ 0.599284] acpi: pci interrupt link [lnke] (irqs 3 4 6 7 10 11 12 *14 15)
dec 5 09:08:51 www kernel: [ 0.599762] acpi: pci interrupt link [lnkf] (irqs *3 4 6 7 10 11 12 14 15)
dec 5 09:08:51 www kernel: [ 0.600236] acpi: pci interrupt link [lnkg] (irqs 3 4 6 *7 10 11 12 14 15)
dec 5 09:08:51 www kernel: [ 0.600709] acpi: pci interrupt link [lnkh] (irqs 3 *4 6 7 10 11 12 14 15)
dec 5 09:08:51 www kernel: [ 0.601931] pci: using acpi irq routing
dec 5 09:08:51 www kernel: [ 0.628146] pnp: pnp acpi init
dec 5 09:08:51 www kernel: [ 0.628211] acpi: bus type pnp registered
dec 5 09:08:51 www kernel: [ 0.628417] pnp 00:00: plug , play acpi device, ids pnp0a08 pnp0a03 (active)
dec 5 09:08:51 www kernel: [ 0.628859] system 00:01: plug , play acpi device, ids pnp0c01 (active)
dec 5 09:08:51 www kernel: [ 0.628915] pnp 00:02: plug , play acpi device, ids pnp0200 (active)
dec 5 09:08:51 www kernel: [ 0.628951] pnp 00:03: plug , play acpi device, ids pnp0b00 (active)
dec 5 09:08:51 www kernel: [ 0.628975] pnp 00:04: plug , play acpi device, ids pnp0800 (active)
dec 5 09:08:51 www kernel: [ 0.629004] pnp 00:05: plug , play acpi device, ids pnp0c04 (active)
dec 5 09:08:51 www kernel: [ 0.629229] system 00:06: plug , play acpi device, ids pnp0c02 (active)
dec 5 09:08:51 www kernel: [ 0.629779] system 00:07: plug , play acpi device, ids pnp0c02 (active)
dec 5 09:08:51 www kernel: [ 0.629849] pnp 00:08: plug , play acpi device, ids pnp0103 (active)
dec 5 09:08:51 www kernel: [ 0.629901] pnp 00:09: plug , play acpi device, ids int0800 (active)
dec 5 09:08:51 www kernel: [ 0.630030] system 00:0a: plug , play acpi device, ids pnp0c02 (active)
dec 5 09:08:51 www kernel: [ 0.630254] system 00:0b: plug , play acpi device, ids pnp0c02 (active)
dec 5 09:08:51 www kernel: [ 0.630304] pnp 00:0c: plug , play acpi device, ids pnp0303 pnp030b (active)
dec 5 09:08:51 www kernel: [ 0.630359] pnp 00:0d: plug , play acpi device, ids pnp0f03 pnp0f13 (active)
dec 5 09:08:51 www kernel: [ 0.630492] system 00:0e: plug , play acpi device, ids pnp0c02 (active)
dec 5 09:08:51 www kernel: [ 0.630986] system 00:0f: plug , play acpi device, ids pnp0c01 (active)
dec 5 09:08:51 www kernel: [ 0.631078] pnp: pnp acpi: found 16 devices
dec 5 09:08:51 www kernel: [ 0.631135] acpi: acpi bus type pnp unregistered
dec 5 09:08:51 www kernel: [ 0.726291] acpi: power button [pwrb]
dec 5 09:08:51 www kernel: [ 0.726452] acpi: power button [pwrf]
dec 5 09:08:51 www kernel: [ 0.726527] acpi: acpi_idle yielding intel_idle
dec 7 21:45:22 www kernel: [ 0.000000] bios-e820: 00000000bf780000 - 00000000bf798000 (acpi data)
dec 7 21:45:22 www kernel: [ 0.000000] bios-e820: 00000000bf798000 - 00000000bf7dc000 (acpi nvs)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: rsdp 00000000000fb1a0 00014 (v00 acpiam)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: rsdt 00000000bf780000 00040 (v01 022410 rsdt1405 20100224 msft 00000097)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: facp 00000000bf780200 00084 (v01 022410 facp1405 20100224 msft 00000097)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: dsdt 00000000bf7804b0 0c359 (v01 a1279 a1279001 00000001 intl 20060113)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: facs 00000000bf798000 00040
dec 7 21:45:22 www kernel: [ 0.000000] acpi: apic 00000000bf780390 000d8 (v01 022410 apic1405 20100224 msft 00000097)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: mcfg 00000000bf780470 0003c (v01 022410 oemmcfg 20100224 msft 00000097)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: oemb 00000000bf798040 00072 (v01 022410 oemb1405 20100224 msft 00000097)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: hpet 00000000bf78f4b0 00038 (v01 022410 oemhpet 20100224 msft 00000097)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: osfr 00000000bf78f4f0 000b0 (v01 022410 oemosfr 20100224 msft 00000097)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: ssdt 00000000bf798fe0 00363 (v01 dpgpmm cpupm 00000012 intl 20060113)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: local apic address 0xfee00000
dec 7 21:45:22 www kernel: [ 0.000000] acpi: pm-timer io port: 0x808
dec 7 21:45:22 www kernel: [ 0.000000] acpi: local apic address 0xfee00000
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x01] lapic_id[0x00] enabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x02] lapic_id[0x02] enabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x03] lapic_id[0x04] enabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x04] lapic_id[0x06] enabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x05] lapic_id[0x84] disabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x06] lapic_id[0x85] disabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x07] lapic_id[0x86] disabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x08] lapic_id[0x87] disabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x09] lapic_id[0x88] disabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x0a] lapic_id[0x89] disabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x0b] lapic_id[0x8a] disabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x0c] lapic_id[0x8b] disabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x0d] lapic_id[0x8c] disabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x0e] lapic_id[0x8d] disabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x0f] lapic_id[0x8e] disabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: lapic (acpi_id[0x10] lapic_id[0x8f] disabled)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: ioapic (id[0x01] address[0xfec00000] gsi_base[0])
dec 7 21:45:22 www kernel: [ 0.000000] acpi: ioapic (id[0x03] address[0xfec8a000] gsi_base[24])
dec 7 21:45:22 www kernel: [ 0.000000] acpi: int_src_ovr (bus 0 bus_irq 0 global_irq 2 dfl dfl)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: int_src_ovr (bus 0 bus_irq 9 global_irq 9 high level)
dec 7 21:45:22 www kernel: [ 0.000000] acpi: irq0 used override.
dec 7 21:45:22 www kernel: [ 0.000000] acpi: irq2 used override.
dec 7 21:45:22 www kernel: [ 0.000000] acpi: irq9 used override.
dec 7 21:45:22 www kernel: [ 0.000000] using acpi (madt) smp configuration information
dec 7 21:45:22 www kernel: [ 0.000000] acpi: hpet id: 0x8086a301 base: 0xfed00000
dec 7 21:45:22 www kernel: [ 0.009505] acpi: core revision 20110413
dec 7 21:45:22 www kernel: [ 0.499203] pm: registering acpi nvs region @ bf798000 (278528 bytes)
dec 7 21:45:22 www kernel: [ 0.500819] acpi: bus type pci registered
dec 7 21:45:22 www kernel: [ 0.503121] acpi: ec: ec in dsdt
dec 7 21:45:22 www kernel: [ 0.504162] acpi: executed 1 blocks of module-level executable aml code
dec 7 21:45:22 www kernel: [ 0.520821] acpi: ssdt 00000000bf7980c0 00f20 (v01 dpgpmm p001ist 00000011 intl 20060113)
dec 7 21:45:22 www kernel: [ 0.521247] acpi: dynamic oem table load:
dec 7 21:45:22 www kernel: [ 0.521374] acpi: ssdt (null) 00f20 (v01 dpgpmm p001ist 00000011 intl 20060113)
dec 7 21:45:22 www kernel: [ 0.521691] acpi: interpreter enabled
dec 7 21:45:22 www kernel: [ 0.521748] acpi: (supports s0 s1 s3 s4 s5)
dec 7 21:45:22 www kernel: [ 0.521993] acpi: using ioapic interrupt routing
dec 7 21:45:22 www kernel: [ 0.523002] pci: mmconfig @ [mem 0xe0000000-0xefffffff] reserved in acpi motherboard resources
dec 7 21:45:22 www kernel: [ 0.554533] acpi: no dock devices found.
dec 7 21:45:22 www kernel: [ 0.554649] pci: using host bridge windows acpi; if necessary, use "pci=nocrs" , report bug
dec 7 21:45:22 www kernel: [ 0.555620] acpi: pci root bridge [pci0] (domain 0000 [bus 00-ff])
dec 7 21:45:22 www kernel: [ 0.588224] acpi: pci interrupt routing table [\_sb_.pci0._prt]
dec 7 21:45:22 www kernel: [ 0.588398] acpi: pci interrupt routing table [\_sb_.pci0.p0p1._prt]
dec 7 21:45:22 www kernel: [ 0.588451] acpi: pci interrupt routing table [\_sb_.pci0.p0p4._prt]
dec 7 21:45:22 www kernel: [ 0.588473] acpi: pci interrupt routing table [\_sb_.pci0.p0p6._prt]
dec 7 21:45:22 www kernel: [ 0.588492] acpi: pci interrupt routing table [\_sb_.pci0.p0p7._prt]
dec 7 21:45:22 www kernel: [ 0.588512] acpi: pci interrupt routing table [\_sb_.pci0.p0p8._prt]
dec 7 21:45:22 www kernel: [ 0.588540] acpi: pci interrupt routing table [\_sb_.pci0.npe1._prt]
dec 7 21:45:22 www kernel: [ 0.588559] acpi: pci interrupt routing table [\_sb_.pci0.npe3._prt]
dec 7 21:45:22 www kernel: [ 0.588579] acpi: pci interrupt routing table [\_sb_.pci0.npe7._prt]
dec 7 21:45:22 www kernel: [ 0.588606] pci0000:00: requesting acpi _osc control (0x1d)
dec 7 21:45:22 www kernel: [ 0.588667] pci0000:00: acpi _osc request failed (ae_not_found), returned control mask: 0x1d
dec 7 21:45:22 www kernel: [ 0.588746] acpi _osc control pcie not granted, disabling aspm
dec 7 21:45:22 www kernel: [ 0.597661] acpi: pci interrupt link [lnka] (irqs 3 4 6 7 10 11 12 14 *15)
dec 7 21:45:22 www kernel: [ 0.598137] acpi: pci interrupt link [lnkb] (irqs *5)
dec 7 21:45:22 www kernel: [ 0.598331] acpi: pci interrupt link [lnkc] (irqs 3 4 6 7 10 *11 12 14 15)
dec 7 21:45:22 www kernel: [ 0.598804] acpi: pci interrupt link [lnkd] (irqs 3 4 6 7 *10 11 12 14 15)
dec 7 21:45:22 www kernel: [ 0.599278] acpi: pci interrupt link [lnke] (irqs 3 4 6 7 10 11 12 *14 15)
dec 7 21:45:22 www kernel: [ 0.599756] acpi: pci interrupt link [lnkf] (irqs *3 4 6 7 10 11 12 14 15)
dec 7 21:45:22 www kernel: [ 0.600230] acpi: pci interrupt link [lnkg] (irqs 3 4 6 *7 10 11 12 14 15)
dec 7 21:45:22 www kernel: [ 0.600704] acpi: pci interrupt link [lnkh] (irqs 3 *4 6 7 10 11 12 14 15)
dec 7 21:45:22 www kernel: [ 0.601926] pci: using acpi irq routing
dec 7 21:45:22 www kernel: [ 0.624115] pnp: pnp acpi init
dec 7 21:45:22 www kernel: [ 0.624179] acpi: bus type pnp registered
dec 7 21:45:22 www kernel: [ 0.624382] pnp 00:00: plug , play acpi device, ids pnp0a08 pnp0a03 (active)
dec 7 21:45:22 www kernel: [ 0.624821] system 00:01: plug , play acpi device, ids pnp0c01 (active)
dec 7 21:45:22 www kernel: [ 0.624875] pnp 00:02: plug , play acpi device, ids pnp0200 (active)
dec 7 21:45:22 www kernel: [ 0.624911] pnp 00:03: plug , play acpi device, ids pnp0b00 (active)
dec 7 21:45:22 www kernel: [ 0.624933] pnp 00:04: plug , play acpi device, ids pnp0800 (active)
dec 7 21:45:22 www kernel: [ 0.624962] pnp 00:05: plug , play acpi device, ids pnp0c04 (active)
dec 7 21:45:22 www kernel: [ 0.625186] system 00:06: plug , play acpi device, ids pnp0c02 (active)
dec 7 21:45:22 www kernel: [ 0.625733] system 00:07: plug , play acpi device, ids pnp0c02 (active)
dec 7 21:45:22 www kernel: [ 0.625803] pnp 00:08: plug , play acpi device, ids pnp0103 (active)
dec 7 21:45:22 www kernel: [ 0.625856] pnp 00:09: plug , play acpi device, ids int0800 (active)
dec 7 21:45:22 www kernel: [ 0.625984] system 00:0a: plug , play acpi device, ids pnp0c02 (active)
dec 7 21:45:22 www kernel: [ 0.626206] system 00:0b: plug , play acpi device, ids pnp0c02 (active)
dec 7 21:45:22 www kernel: [ 0.626256] pnp 00:0c: plug , play acpi device, ids pnp0303 pnp030b (active)
dec 7 21:45:22 www kernel: [ 0.626312] pnp 00:0d: plug , play acpi device, ids pnp0f03 pnp0f13 (active)
dec 7 21:45:22 www kernel: [ 0.626445] system 00:0e: plug , play acpi device, ids pnp0c02 (active)
dec 7 21:45:22 www kernel: [ 0.626936] system 00:0f: plug , play acpi device, ids pnp0c01 (active)
dec 7 21:45:22 www kernel: [ 0.627027] pnp: pnp acpi: found 16 devices
dec 7 21:45:22 www kernel: [ 0.627084] acpi: acpi bus type pnp unregistered
dec 7 21:45:22 www kernel: [ 0.722086] acpi: power button [pwrb]
dec 7 21:45:22 www kernel: [ 0.722246] acpi: power button [pwrf]
dec 7 21:45:22 www kernel: [ 0.722320] acpi: acpi_idle yielding intel_idle

getting same fail:

code:

...  [    0.333326]  pci0000:00: requesting acpi _osc control (0x1d)  [    0.333329]  pci0000:00: acpi _osc request failed (ae_not_found), returned control mask: 0x1d  [    0.333331] acpi _osc control pcie not granted, disabling aspm  ...

disabling aspm http://www.lesswatts.org/projects/de...ement/pcie.php seems pitty on dell latitude e6400 laptop

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