I see the same on Ubuntu 10.04 Linux Acer 2.6.35-30-generic #54-Ubuntu SMP Tue Jun 7 18:41:54 UTC 2011 x86_64 GNU/Linux every 5 sec I get Acer kernel: [10019.338606] intel ips 0000:00:1f.6: CPU power or thermal limit exceeded lshw acer description: Notebook product: Aspire 3820 vendor: Acer version: V1.17 serial: LXPTC010130380DE6A2000 width: 64 bits capabilities: smbios-2.6 dmi-2.6 vsyscall64 vsyscall32 configuration: boot=normal chassis=notebook uuid=F91F79A0-C887-11DF-91A4-E96B11BB4EF4 *-core description: Motherboard physical id: 0 *-firmware description: BIOS vendor: Phoenix Technologies LTD physical id: 0 version: V1.17 (09/02/2010) size: 112KiB capacity: 4032KiB capabilities: isa pci pcmcia pnp upgrade shadowing escd cdboot acpi usb agp biosbootspecification *-board UNCLAIMED description: Mother Board product: Aspire 3820 vendor: Acer physical id: 2 version: V1.17 serial: LXPTC010130380DE6A2000 slot: Not Applicable *-cpu description: CPU product: Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz vendor: Intel Corp. physical id: 4 bus info: cpu@0 version: Genuine Intel(R) CPU slot: CPU 1 size: 1999MHz capacity: 3200MHz width: 64 bits clock: 100MHz capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm arat tpr_shadow vnmi flexpriority ept vpid cpufreq *-cache:0 description: L1 cache physical id: 5 slot: L1 Cache size: 32KiB capacity: 32KiB capabilities: asynchronous internal write-through data *-cache:1 description: L2 cache physical id: 6 slot: L2 Cache size: 256KiB capacity: 1MiB capabilities: burst internal write-through unified *-cache:2 description: L3 cache physical id: 7 slot: L3 Cache size: 3MiB capacity: 8MiB capabilities: burst internal write-back *-memory description: System Memory physical id: d slot: System board or motherboard size: 3GiB *-bank:0 description: SODIMM Synchronous 1334 MHz (0.7 ns) product: M471B2873FHS-CH9 vendor: 80CE physical id: 0 serial: 640DE59B slot: M1 size: 1GiB width: 64 bits clock: 1334MHz (0.7ns) *-bank:1 description: SODIMM Synchronous 1334 MHz (0.7 ns) product: NT2GC64B8HC0NS-CG vendor: 830B physical id: 1 serial: A2B5046D slot: M2 size: 2GiB width: 64 bits clock: 1334MHz (0.7ns) *-bank:2 description: SODIMM Synchronous [empty] physical id: 2 slot: M3 *-bank:3 description: SODIMM Synchronous [empty] physical id: 3 slot: M4 *-generic:0 UNCLAIMED physical id: 1 bus info: parisc@1 *-generic:1 UNCLAIMED physical id: 3 bus info: parisc@2 *-pci:0 description: Host bridge product: Core Processor DRAM Controller vendor: Intel Corporation physical id: 100 bus info: pci@0000:00:00.0 version: 18 width: 32 bits clock: 33MHz configuration: driver=agpgart-intel resources: irq:0 *-display description: VGA compatible controller product: Core Processor Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 18 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:43 memory:f0000000-f03fffff memory:d0000000-dfffffff ioport:1800(size=8) *-communication UNCLAIMED description: Communication controller product: 5 Series/3400 Series Chipset HECI Controller vendor: Intel Corporation physical id: 16 bus info: pci@0000:00:16.0 version: 06 width: 64 bits clock: 33MHz capabilities: pm msi bus_master cap_list configuration: latency=0 resources: memory:f0804000-f080400f *-usb:0 description: USB Controller product: 5 Series/3400 Series Chipset USB2 Enhanced Host Controller vendor: Intel Corporation physical id: 1a bus info: pci@0000:00:1a.0 version: 05 width: 32 bits clock: 33MHz capabilities: pm debug ehci bus_master cap_list configuration: driver=ehci_hcd latency=0 resources: irq:16 memory:f0806000-f08063ff *-multimedia description: Audio device product: 5 Series/3400 Series Chipset High Definition Audio vendor: Intel Corporation physical id: 1b bus info: pci@0000:00:1b.0 version: 05 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=HDA Intel latency=0 resources: irq:44 memory:f0800000-f0803fff *-pci:0 description: PCI bridge product: 5 Series/3400 Series Chipset PCI Express Root Port 1 vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: 05 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:40 ioport:2000(size=4096) memory:f0400000-f04fffff ioport:f0a00000(size=2097152) *-network description: Ethernet interface product: AR8151 v1.0 Gigabit Ethernet vendor: Atheros Communications physical id: 0 bus info: pci@0000:02:00.0 logical name: eth0 version: c0 serial: 20:6a:8a:1a:8f:d6 capacity: 1GB/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.0.2-NAPI firmware=N/A latency=0 link=no multicast=yes port=twisted pair resources: irq:45 memory:f0400000-f043ffff ioport:2000(size=128) *-pci:1 description: PCI bridge product: 5 Series/3400 Series Chipset PCI Express Root Port 2 vendor: Intel Corporation physical id: 1c.1 bus info: pci@0000:00:1c.1 version: 05 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:41 ioport:3000(size=4096) memory:f0500000-f05fffff ioport:bc000000(size=2097152) *-network description: Wireless interface product: AR9285 Wireless Network Adapter (PCI-Express) vendor: Atheros Communications Inc. physical id: 0 bus info: pci@0000:04:00.0 logical name: wlan0 version: 01 serial: 4c:0f:6e:4b:6e:26 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=ath9k driverversion=2.6.35-30-generic firmware=N/A ip=128.141.230.94 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn resources: irq:17 memory:f0500000-f050ffff *-usb:1 description: USB Controller product: 5 Series/3400 Series Chipset USB2 Enhanced Host Controller vendor: Intel Corporation physical id: 1d bus info: pci@0000:00:1d.0 version: 05 width: 32 bits clock: 33MHz capabilities: pm debug ehci bus_master cap_list configuration: driver=ehci_hcd latency=0 resources: irq:23 memory:f0807000-f08073ff *-pci:2 description: PCI bridge product: 82801 Mobile PCI Bridge vendor: Intel Corporation physical id: 1e bus info: pci@0000:00:1e.0 version: a5 width: 32 bits clock: 33MHz capabilities: pci subtractive_decode bus_master cap_list *-isa description: ISA bridge product: Mobile 5 Series Chipset LPC Interface Controller vendor: Intel Corporation physical id: 1f bus info: pci@0000:00:1f.0 version: 05 width: 32 bits clock: 33MHz capabilities: isa bus_master cap_list configuration: latency=0 *-storage description: SATA controller product: 5 Series/3400 Series Chipset 4 port SATA AHCI Controller vendor: Intel Corporation physical id: 1f.2 bus info: pci@0000:00:1f.2 logical name: scsi0 version: 05 width: 32 bits clock: 66MHz capabilities: storage msi pm ahci_1.0 bus_master cap_list emulated configuration: driver=ahci latency=0 resources: irq:42 ioport:1818(size=8) ioport:180c(size=4) ioport:1810(size=8) ioport:1808(size=4) ioport:1820(size=32) memory:f0808000-f08087ff *-disk description: ATA Disk product: WDC WD3200BPVT-2 vendor: Western Digital physical id: 0.0.0 bus info: scsi@0:0.0.0 logical name: /dev/sda version: 01.0 serial: WD-WX61A80T6366 size: 298GiB (320GB) capabilities: partitioned partitioned:dos configuration: ansiversion=5 signature=000478e2 *-volume:0 description: Windows NTFS volume physical id: 1 bus info: scsi@0:0.0.0,1 logical name: /dev/sda1 version: 3.1 serial: b474f06d-156d-ce48-89fd-800409582008 size: 12GiB capacity: 12GiB capabilities: primary bootable ntfs initialized configuration: clustersize=4096 created=2009-07-22 22:06:15 filesystem=ntfs label=PQSERVICE state=clean *-volume:1 description: Windows NTFS volume physical id: 2 bus info: scsi@0:0.0.0,2 logical name: /dev/sda2 version: 3.1 serial: 5830-8e07 size: 90MiB capacity: 100MiB capabilities: primary ntfs initialized configuration: clustersize=4096 created=2010-09-25 17:04:29 filesystem=ntfs label=SYSTEM RESERVED state=clean *-volume:2 description: Windows NTFS volume physical id: 3 bus info: scsi@0:0.0.0,3 logical name: /dev/sda3 logical name: /mnt/windows version: 3.1 serial: 16a1897e-e233-834e-a318-92bfbfeb19f7 size: 58GiB capacity: 58GiB capabilities: primary ntfs initialized configuration: clustersize=4096 created=2010-09-25 17:04:39 filesystem=ntfs label=ACER modified_by_chkdsk=true mount.fstype=fuseblk mount.options=rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096 mounted_on_nt4=true resize_log_file=true state=mounted upgrade_on_mount=true *-volume:3 description: Extended partition physical id: 4 bus info: scsi@0:0.0.0,4 logical name: /dev/sda4 size: 226GiB capacity: 226GiB capabilities: primary extended partitioned partitioned:extended *-logicalvolume:0 description: Linux filesystem partition physical id: 5 logical name: /dev/sda5 logical name: /mnt/sda5 capacity: 25GiB configuration: mount.fstype=ext3 mount.options=rw,relatime,errors=continue,commit=600,barrier=0,data=ordered state=mounted *-logicalvolume:1 description: Linux filesystem partition physical id: 6 logical name: /dev/sda6 logical name: /home capacity: 166GiB configuration: mount.fstype=ext3 mount.options=rw,relatime,errors=continue,user_xattr,commit=600,barrier=0,data=ordered state=mounted *-logicalvolume:2 description: Linux filesystem partition physical id: 7 logical name: /dev/sda7 logical name: / capacity: 31GiB configuration: mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,commit=600,barrier=1,data=ordered state=mounted *-logicalvolume:3 description: Linux swap / Solaris partition physical id: 8 logical name: /dev/sda8 capacity: 4102MiB capabilities: nofs *-serial UNCLAIMED description: SMBus product: 5 Series/3400 Series Chipset SMBus Controller vendor: Intel Corporation physical id: 1f.3 bus info: pci@0000:00:1f.3 version: 05 width: 64 bits clock: 33MHz configuration: latency=0 resources: memory:f0809000-f08090ff ioport:1840(size=32) *-generic description: Signal processing controller product: 5 Series/3400 Series Chipset Thermal Subsystem vendor: Intel Corporation physical id: 1f.6 bus info: pci@0000:00:1f.6 version: 05 width: 64 bits clock: 33MHz capabilities: pm msi cap_list configuration: driver=intel ips latency=0 resources: irq:18 memory:f080a000-f080afff *-pci:1 description: Host bridge product: Core Processor QuickPath Architecture Generic Non-core Registers vendor: Intel Corporation physical id: 101 bus info: pci@0000:ff:00.0 version: 05 width: 32 bits clock: 33MHz *-pci:2 description: Host bridge product: Core Processor QuickPath Architecture System Address Decoder vendor: Intel Corporation physical id: 102 bus info: pci@0000:ff:00.1 version: 05 width: 32 bits clock: 33MHz *-pci:3 description: Host bridge product: Core Processor QPI Link 0 vendor: Intel Corporation physical id: 103 bus info: pci@0000:ff:02.0 version: 05 width: 32 bits clock: 33MHz *-pci:4 description: Host bridge product: Core Processor QPI Physical 0 vendor: Intel Corporation physical id: 104 bus info: pci@0000:ff:02.1 version: 05 width: 32 bits clock: 33MHz *-pci:5 description: Host bridge product: Core Processor Reserved vendor: Intel Corporation physical id: 105 bus info: pci@0000:ff:02.2 version: 05 width: 32 bits clock: 33MHz *-pci:6 description: Host bridge product: Core Processor Reserved vendor: Intel Corporation physical id: 106 bus info: pci@0000:ff:02.3 version: 05 width: 32 bits clock: 33MHz