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Thread: CPU Package power limit notification

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  1. #1
    Join Date
    Feb 2009
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    11

    CPU Package power limit notification

    I recently bought a Toshiba A665-S5187, which has the new i7-2630QM Sandy Bridge Processor. My dmesg output is a bit strange, and I see messages that I am not sure what to think of. I am using kernel version 2.6.39-3-generic.

    Code:
    [20793.149764] CPU0: Package power limit notification (total events = 1)
    [20793.149770] CPU4: Package power limit notification (total events = 1)
    [20793.149776] CPU3: Package power limit notification (total events = 1)
    [20793.149778] CPU2: Package power limit notification (total events = 1)
    [20793.149786] CPU7: Package power limit notification (total events = 1)
    [20793.149788] CPU6: Package power limit notification (total events = 1)
    [20793.149788] Disabling lock debugging due to kernel taint
    [20793.149794] CPU5: Package power limit notification (total events = 1)
    [20793.149799] CPU1: Package power limit notification (total events = 1)
    [20793.150318] CPU5: Package power limit normal
    [20793.150327] CPU2: Package power limit normal
    [20793.150328] CPU4: Package power limit normal
    [20793.150331] CPU0: Package power limit normal
    [20793.150336] CPU3: Package power limit normal
    [20793.150334] CPU7: Package power limit normal
    [20793.150337] CPU1: Package power limit normal
    [20793.150340] CPU6: Package power limit normal
    [21000.040090] [Hardware Error]: Machine check events logged
    [37051.061157] CPU4: Package power limit notification (total events = 10)
    [37051.061163] CPU0: Package power limit notification (total events = 10)
    [37051.061165] CPU7: Package power limit notification (total events = 10)
    [37051.061166] CPU6: Package power limit notification (total events = 10)
    [37051.061173] CPU2: Package power limit notification (total events = 10)
    [37051.061177] CPU5: Package power limit notification (total events = 10)
    [37051.061182] CPU3: Package power limit notification (total events = 10)
    [37051.061181] CPU1: Package power limit notification (total events = 10)
    [37051.068955] CPU2: Package power limit normal
    [37051.068958] CPU5: Package power limit normal
    [37051.068964] CPU0: Package power limit normal
    [37051.068965] CPU7: Package power limit normal
    [37051.068965] CPU6: Package power limit normal
    [37051.068972] CPU3: Package power limit normal
    [37051.068973] CPU4: Package power limit normal
    [37051.068973] CPU1: Package power limit normal
    [37200.890072] [Hardware Error]: Machine check events logged
    I also get this message:
    Code:
    [   53.150123] [drm:pch_irq_handler] *ERROR* PCH poison interrupt
    I have the CPU Frequency Scaling Governer set to Conservative, if it makes any difference.
    What does this mean? The system does not kernel panic or anything, but I would like to know why I am getting these strange messages. Thanks!

    Edit: Mcelog output:
    Code:
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 0
    CPU 3 THERMAL EVENT TSC 25c4a18bf580 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 3 below trip temperature. Throttling disabled
    STATUS c0000000882d0c08 MCGSTATUS 0
    MCGCAP c09 APICID 6 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 1
    CPU 2 THERMAL EVENT TSC 25c4a18c1681 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 2 below trip temperature. Throttling disabled
    STATUS c0000000882d0c08 MCGSTATUS 0
    MCGCAP c09 APICID 4 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 2
    CPU 7 THERMAL EVENT TSC 25c4a18c2dcc 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 7 below trip temperature. Throttling disabled
    STATUS c0000000882d0c08 MCGSTATUS 0
    MCGCAP c09 APICID 7 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 3
    CPU 6 THERMAL EVENT TSC 25c4a18c4b24 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 6 below trip temperature. Throttling disabled
    STATUS c0000000882d0c08 MCGSTATUS 0
    MCGCAP c09 APICID 5 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 4
    CPU 4 THERMAL EVENT TSC 25c4a18c5588 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 4 below trip temperature. Throttling disabled
    STATUS c0000000882d0c08 MCGSTATUS 0
    MCGCAP c09 APICID 1 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 5
    CPU 5 THERMAL EVENT TSC 25c4a18c7964 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 5 below trip temperature. Throttling disabled
    STATUS c0000000882d0c08 MCGSTATUS 0
    MCGCAP c09 APICID 3 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 6
    CPU 1 THERMAL EVENT TSC 25c4a18c8a68 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 1 below trip temperature. Throttling disabled
    STATUS c0000000882d0c08 MCGSTATUS 0
    MCGCAP c09 APICID 2 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 7
    CPU 0 THERMAL EVENT TSC 25c4a14f88f8 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 0 below trip temperature. Throttling disabled
    STATUS c0000000882d0c08 MCGSTATUS 0
    MCGCAP c09 APICID 0 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 8
    CPU 2 THERMAL EVENT TSC 25c4a19c972e 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 2 below trip temperature. Throttling disabled
    STATUS c0000000882d0808 MCGSTATUS 0
    MCGCAP c09 APICID 4 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 9
    CPU 4 THERMAL EVENT TSC 25c4a19cabf9 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 4 below trip temperature. Throttling disabled
    STATUS c0000000882d0808 MCGSTATUS 0
    MCGCAP c09 APICID 1 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 10
    CPU 0 THERMAL EVENT TSC 25c4a15fb2e2 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 0 below trip temperature. Throttling disabled
    STATUS c0000000882d0808 MCGSTATUS 0
    MCGCAP c09 APICID 0 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 11
    CPU 3 THERMAL EVENT TSC 25c4a19cd269 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 3 below trip temperature. Throttling disabled
    STATUS c0000000882d0808 MCGSTATUS 0
    MCGCAP c09 APICID 6 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 12
    CPU 7 THERMAL EVENT TSC 25c4a19ce136 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 7 below trip temperature. Throttling disabled
    STATUS c0000000882d0808 MCGSTATUS 0
    MCGCAP c09 APICID 7 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 13
    CPU 1 THERMAL EVENT TSC 25c4a19cf24a 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 1 below trip temperature. Throttling disabled
    STATUS c0000000882d0808 MCGSTATUS 0
    MCGCAP c09 APICID 2 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 14
    CPU 6 THERMAL EVENT TSC 25c4a19d03b0 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 6 below trip temperature. Throttling disabled
    STATUS c0000000882d0808 MCGSTATUS 0
    MCGCAP c09 APICID 5 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 15
    CPU 5 THERMAL EVENT TSC 25c4a19d0833 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 5 below trip temperature. Throttling disabled
    STATUS c0000000882d0808 MCGSTATUS 0
    MCGCAP c09 APICID 3 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 16
    CPU 0 THERMAL EVENT TSC 4346268dd78b 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 0 below trip temperature. Throttling disabled
    STATUS c000000088280c08 MCGSTATUS 0
    MCGCAP c09 APICID 0 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 17
    CPU 7 THERMAL EVENT TSC 434626cafdc2 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 7 below trip temperature. Throttling disabled
    STATUS c000000088280c08 MCGSTATUS 0
    MCGCAP c09 APICID 7 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 18
    CPU 6 THERMAL EVENT TSC 434626cb1e3d 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 6 below trip temperature. Throttling disabled
    STATUS c000000088280c08 MCGSTATUS 0
    MCGCAP c09 APICID 5 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 19
    CPU 2 THERMAL EVENT TSC 434626cb398e 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 2 below trip temperature. Throttling disabled
    STATUS c000000088280c08 MCGSTATUS 0
    MCGCAP c09 APICID 4 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 20
    CPU 5 THERMAL EVENT TSC 434626cb5d88 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 5 below trip temperature. Throttling disabled
    STATUS c000000088280c08 MCGSTATUS 0
    MCGCAP c09 APICID 3 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 21
    CPU 3 THERMAL EVENT TSC 434626cb74d2 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 3 below trip temperature. Throttling disabled
    STATUS c000000088280c08 MCGSTATUS 0
    MCGCAP c09 APICID 6 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 22
    CPU 1 THERMAL EVENT TSC 434626cb8dfe 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 1 below trip temperature. Throttling disabled
    STATUS c000000088280c08 MCGSTATUS 0
    MCGCAP c09 APICID 2 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 23
    CPU 4 THERMAL EVENT TSC 434626cbb3f2 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 4 below trip temperature. Throttling disabled
    STATUS c000000088280c08 MCGSTATUS 0
    MCGCAP c09 APICID 1 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 24
    CPU 5 THERMAL EVENT TSC 434627b85edd 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 5 below trip temperature. Throttling disabled
    STATUS c000000088280808 MCGSTATUS 0
    MCGCAP c09 APICID 3 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 25
    CPU 0 THERMAL EVENT TSC 4346277b6cf6 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 0 below trip temperature. Throttling disabled
    STATUS c000000088280808 MCGSTATUS 0
    MCGCAP c09 APICID 0 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 26
    CPU 7 THERMAL EVENT TSC 434627b891b4 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 7 below trip temperature. Throttling disabled
    STATUS c000000088280808 MCGSTATUS 0
    MCGCAP c09 APICID 7 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 27
    CPU 6 THERMAL EVENT TSC 434627b8a50e 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 6 below trip temperature. Throttling disabled
    STATUS c000000088280808 MCGSTATUS 0
    MCGCAP c09 APICID 5 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 28
    CPU 3 THERMAL EVENT TSC 434627b8b964 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 3 below trip temperature. Throttling disabled
    STATUS c000000088280808 MCGSTATUS 0
    MCGCAP c09 APICID 6 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 29
    CPU 4 THERMAL EVENT TSC 434627b8ce29 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 4 below trip temperature. Throttling disabled
    STATUS c000000088280808 MCGSTATUS 0
    MCGCAP c09 APICID 1 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 30
    CPU 1 THERMAL EVENT TSC 434627b8e15b 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 1 below trip temperature. Throttling disabled
    STATUS c000000088280808 MCGSTATUS 0
    MCGCAP c09 APICID 2 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    HARDWARE ERROR. This is *NOT* a software problem!
    Please contact your hardware vendor
    MCE 31
    CPU 2 THERMAL EVENT TSC 434627b8e574 
    TIME 1308369807 Sat Jun 18 00:03:27 2011
    Processor 2 below trip temperature. Throttling disabled
    STATUS c000000088280808 MCGSTATUS 0
    MCGCAP c09 APICID 4 SOCKETID 0 
    CPUID Vendor Intel Family 6 Model 42
    Last edited by Zaelyx; June 18th, 2011 at 05:20 AM. Reason: Update

  2. #2
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    24,083
    Distro
    Ubuntu Development Release

    Re: CPU Package power limit notification

    Hi, do not know, but it does not look good. You could have a failure coming on, or it may be the kernel you are using, you know that is the one for testing it is not meant to be used for a production machine.

  3. #3
    Join Date
    Mar 2009
    Beans
    44

    Re: CPU Package power limit notification

    I am seeing the exact same thing with a thinkpad with the same chip...

    using

    Linux laptop 2.6.39-0-generic

    I don't know what to think either but it's kinda freaking me out.

    Maybe it's bogus? See this bug report. I got some of these while it was idle and cool. But some I got while compiling (as a test) so i'm not sure..
    Last edited by VValdo; June 21st, 2011 at 03:22 AM.

  4. #4
    Join Date
    Feb 2012
    Beans
    1

    Re: CPU Package power limit notification

    The same here on Asus X53S with i7-2670QM.
    Code:
    mcelog: failed to prefill DIMM database from DMI data
    Kernel does not support page offline interface
    mcelog: mcelog read: No such device
    Hardware event. This is not a software error.
    MCE 0
    CPU 1 THERMAL EVENT TSC 1bbb8d6c72
    TIME 1326639580 Sun Jan 15 15:59:40 2012
    Processor 1 below trip temperature. Throttling disabled
    STATUS c0000000881e0c00 MCGSTATUS 0
    MCGCAP c09 APICID 2 SOCKETID 0
    CPUID Vendor Intel Family 6 Model 42
    Hardware event. This is not a software error.
    MCE 1
    CPU 7 THERMAL EVENT TSC 1bbb8d8f1e
    TIME 1326639580 Sun Jan 15 15:59:40 2012
    Processor 7 below trip temperature. Throttling disabled
    STATUS c0000000881e0c00 MCGSTATUS 0
    MCGCAP c09 APICID 7 SOCKETID 0
    CPUID Vendor Intel Family 6 Model 42
    Hardware event. This is not a software error.
    MCE 2
    CPU 5 THERMAL EVENT TSC 1bbb8daec1
    TIME 1326639580 Sun Jan 15 15:59:40 2012
    Processor 5 below trip temperature. Throttling disabled
    STATUS c0000000881e0c00 MCGSTATUS 0
    MCGCAP c09 APICID 3 SOCKETID 0
    CPUID Vendor Intel Family 6 Model 42
    Hardware event. This is not a software error.
    Code:
    [32589.818393] [Hardware Error]: Machine check events logged
    [32928.317294] CPU7: Package power limit notification (total events = 1431)
    [32928.317298] CPU0: Package power limit notification (total events = 1431)
    [32928.317302] CPU2: Package power limit notification (total events = 1431)
    [32928.317306] CPU3: Package power limit notification (total events = 1431)
    [32928.317309] CPU6: Package power limit notification (total events = 1431)
    [32928.317313] CPU1: Package power limit notification (total events = 1431)
    [32928.317317] CPU4: Package power limit notification (total events = 1431)
    [32928.317320] CPU5: Package power limit notification (total events = 1431)
    [32928.328307] CPU0: Package power limit normal
    [32928.328316] CPU4: Package power limit normal
    [32928.328327] CPU5: Package power limit normal
    [32928.328335] CPU1: Package power limit normal
    [32928.328353] CPU2: Package power limit normal
    [32928.328363] CPU6: Package power limit normal
    [32928.328374] CPU7: Package power limit normal
    [32928.328382] CPU3: Package power limit normal
    [33039.324489] [Hardware Error]: Machine check events logged
    I have Ubuntu 11.10 (3.0.0-16-generic) and have some random crashes (may be related to chrome). On Windows 7 I don't see any problems.

  5. #5
    Join Date
    Jan 2012
    Beans
    753

    Re: CPU Package power limit notification

    I'm getting the exact same thing on my MainGear ex-L 15 (i7-2760QM). Of course, I also run Folding@home 24/7, and that keeps my CPU at 100%, but this is a gaming laptop, and is built to withstand huge CPU load. However, I'm pretty sure I get this same error even when the CPU is idle.

    The output of "uname -a" is:
    Code:
    Linux kubuntu 3.2.0-25-generic #40-Ubuntu SMP Wed May 23 20:30:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
    I've never had any problems with overheating, I've never had a kernel panic (well, I did once when I tested a fork-bomb on my computer), and I haven't overclocked/overvoltaged it at all.

    I don't really worry about it, but it is starting to concern me, because this is a $3,000+ laptop...

  6. #6
    Join Date
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    Location
    NY
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    Distro
    Kubuntu Development Release

    Re: CPU Package power limit notification

    Isn't there a power bug in the kernel about the sandybridge processors that have them running at full capacity all the time. Maybe this has something to do with your problems.

    -Red
    Everything in the future is a wave, everything in the past is a particle. -Lawrence Bragg

    Parabola: https://parabolagnulinux.org/
    Completely freed... Libre GNU/Linux !!!

  7. #7
    Join Date
    Dec 2010
    Beans
    80
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: CPU Package power limit notification

    It happened to me too! And I found out because my pc is suddendly quite slow. Download a program Sysinfo and check your current CPU frequency. I found out that my thinkpad T420 with Intel core i5 2.6GHz is now running just on 800MHz! No idea why! I will try restarting a computer
    EDIT: CPU temperature is 56°C so no reason to slow down.
    Last edited by VitasLoWang; July 1st, 2013 at 02:33 PM.
    those that are last may yet be first

  8. #8
    Join Date
    Dec 2005
    Location
    Western Australia
    Beans
    11,480
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: CPU Package power limit notification

    Quote Originally Posted by VitasLoWang View Post
    It happened to me too! And I found out because my pc is suddendly quite slow. Download a program Sysinfo and check your current CPU frequency. I found out that my thinkpad T420 with Intel core i5 2.6GHz is now running just on 800MHz! No idea why! I will try restarting a computer
    EDIT: CPU temperature is 56°C so no reason to slow down.
    Your "problem" is perfectly normal and intended behaviour.

    CPUs don't just decelerate when they overheat, they also decelerate when they are not under heavy load. It's a power-saving feature of all CPUs since the Core 2 and maybe even earlier. Even when on AC your CPU will run slowly when little is happening and speed up automatically when needed.
    I try to treat the cause, not the symptom. I avoid the terminal in instructions, unless it's easier or necessary. My instructions will work within the Ubuntu system, instead of breaking or subverting it. Those are the three guarantees to the helpee.

  9. #9
    Join Date
    Dec 2010
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    80
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: CPU Package power limit notification

    after restart it was at 1000MHz! WTH? And I found out what was happening. It was because of the malfunctioning laptop-mode package which I installed a long time ago to enable hibernation (I think). Even when CONTROL_CPU_FREQUENCY="auto" it was slowing down my CPU both on battery and on AC power. Really cool power saving feature :-\ After setting it to 0 in /etc/laptop-mode/conf.d/cpufreq.conf it magically runs on 2600MHz again.
    Last edited by VitasLoWang; July 1st, 2013 at 03:57 PM.
    those that are last may yet be first

  10. #10
    Join Date
    Aug 2009
    Location
    UK
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    Distro
    Ubuntu 13.04 Raring Ringtail

    Re: CPU Package power limit notification

    Sysinfo says the 8 Intel(R) Core(TM) i7-3720QM CPU @ 2.60GHz on my Thinkpad W530 are running at frequency 1200.00 Mhz even when on AC power. So I guess my CPUs are being throttled. I don't have laptop-mode installed though so what can I do? Mess with the BIOS?

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