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Thread: Kernel error with ACPI

  1. #1
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    Default Kernel error with ACPI

    Hello,

    I have a HP proliant ML350p gen8 with this kernel (last from tumbleweed)
    Code:
    uname -a
    Linux hpprol2 3.13.1-12.gfc9498b-xen #1 SMP Sat Feb 1 19:44:27 UTC 2014 (fc9498b) x86_64 x86_64 x86_64 GNU/Linux
    I receive each 5 minutes the following error messages in /var/log/messages
    Code:
    2014-02-09T13:42:02.800991+01:00 hpprol2 kernel: [78814.653854] ACPI Error: SMBus/IPMI/GenericSerialBus write requires Buffer of length 66, found length 32 (20131115/exfield-299)
    2014-02-09T13:42:02.801019+01:00 hpprol2 kernel: [78814.653867] ACPI Error: Method parse/execution failed [\_SB_.PMI0._PMM] (Node ffff8802d549eb28), AE_AML_BUFFER_LIMIT (20131115/psparse-536)
    2014-02-09T13:42:02.801022+01:00 hpprol2 kernel: [78814.653889] ACPI Exception: AE_AML_BUFFER_LIMIT, Evaluating _PMM (20131115/power_meter-339)
    2
    I have searched via Google and found this link
    Code:
    https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1079544
    https://bugs.launchpad.net/ubuntu/+source/acpi/+bug/606999
    for ubuntu and also related to HP proliant machines (and the fans?)

    Seems that this is a warning related with content of /etc/sensors.conf but I found on OpenSUSE only a file /etc/sensors3.conf that I cannot understand.

    Does anybody have some info about this error?

    Many thanks in advance
    Philippe
    Tumbleweed (x86_64) Kernel 4.18.5 with KDE plasma

  2. #2
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    Default Re: Kernel error with ACPI

    Quote Originally Posted by phil524 View Post
    Seems that this is a warning related with content of /etc/sensors.conf but I found on OpenSUSE only a file /etc/sensors3.conf that I cannot understand.

    Does anybody have some info about this error?
    Hi
    A newer kernel is now available on Tumbleweed, I have: 3.13.2-13.g97cc2ff-desktop. You could try that.

    I don't have insight into your particular problem, but I can confirm that openSUSE is providing the default lm-sensors configuration at /etc/sensors3.conf, for those sensors chips (hardware monitoring devices) that are known to operate in a standard way across different motherboards. It may not include a config for your device, or your device may not be currently supported in the lm-sensors libraries. You should have rpm package "libsensors4" installed. You can also install the rpm package "sensors", and run it in a terminal to report on the sensors e.g. core and system temperatures, voltages. Mine reports this:
    Code:
    acpitz-virtual-0
    Adapter: Virtual device
    temp1:        +44.0°C  (crit = +105.0°C)
    
    thinkpad-isa-0000
    Adapter: ISA adapter
    fan1:           0 RPM
    temp1:         +0.0°C  
    temp2:        +44.0°C  
    temp3:         +0.0°C  
    temp4:         +0.0°C  
    temp5:         +0.0°C  
    temp6:         +0.0°C  
    temp7:         +0.0°C  
    temp8:         +0.0°C  
    
    coretemp-isa-0000
    Adapter: ISA adapter
    Core 0:       +39.0°C  (high = +105.0°C, crit = +105.0°C)
    Core 1:       +39.0°C  (high = +105.0°C, crit = +105.0°C)
    You should be able to run "sensors-detect" in a terminal, to find out what hardware sensor devices are installed. You can normally and safely reply "yes" to the questions it asks.

    To learn about lm-sensors go here: http://lm-sensors.org/

    To find the support status of your sensors device (if you know them) on lm-sensors.org go here: http://lm-sensors.org/wiki/Devices


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  3. #3
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    Default Re: Kernel error with ACPI

    In addition to my previous, you may find more details and examples in this page from ArchWiki: https://wiki.archlinux.org/index.php/lm_sensors

    There may be some small differences with openSUSE there, as I didn't check everything.
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  4. #4
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    Default Re: Kernel error with ACPI

    Hello,

    thanks for your answers, I followed your advice
    the package sensor is installed
    Code:
    pm -qa *sensor*
    nagios-plugins-sensors-1.4.16-9.1.3.x86_64
    libsensors4-3.3.4-3.1.2.x86_64
    sensors-3.3.4-3.1.2.x86_64
    libsensors4-32bit-3.3.4-3.1.2.x86_64
    running sensors gives
    Code:
    sensors
    acpitz-virtual-0
    Adapter: Virtual device
    temp1:         +8.3°C  (crit = +31.3°C)
    
    power_meter-acpi-0
    Adapter: ACPI interface
    power1:        0.00 W  (interval = 300.00 s)
    
    coretemp-isa-0000
    Adapter: ISA adapter
    Physical id 0:  +35.0°C  (high = +81.0°C, crit = +91.0°C)
    Core 0:         +29.0°C  (high = +81.0°C, crit = +91.0°C)
    Core 1:         +29.0°C  (high = +81.0°C, crit = +91.0°C)
    Core 2:         +31.0°C  (high = +81.0°C, crit = +91.0°C)
    Core 3:         +24.0°C  (high = +81.0°C, crit = +91.0°C)
    Core 4:         +32.0°C  (high = +81.0°C, crit = +91.0°C)
    Core 5:         +27.0°C  (high = +81.0°C, crit = +91.0°C)
    
    tg3-pci-0200
    Adapter: PCI adapter
    temp1:         +0.0°C  (high =  +0.1°C, crit =  +0.1°C)
    and sensors-detect gives at the end this summary
    Code:
    Driver `to-be-written':
      * ISA bus, address 0xca2
        Chip `IPMI BMC KCS' (confidence: 8)
    
    Driver `coretemp':
      * Chip `Intel digital thermal sensor' (confidence: 9)
    
    Note: there is no driver for IPMI BMC KCS yet.
    Check http://www.lm-sensors.org/wiki/Devices for updates.
    So I suppose that the error is coming form ISA bus chip IPMI BMC KCS where there is no driver available; I'll read in depth your different links and see if I can find a driver or if I can disable the ISA bus

    Many thanks
    Philippe
    Tumbleweed (x86_64) Kernel 4.18.5 with KDE plasma

  5. #5
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    Default Re: Kernel error with ACPI

    Quote Originally Posted by phil524 View Post
    Hello,

    thanks for your answers, I followed your advice
    ...
    ...
    and sensors-detect gives at the end this summary
    Code:
    Driver `to-be-written':
      * ISA bus, address 0xca2
        Chip `IPMI BMC KCS' (confidence: 8)
    
    Driver `coretemp':
      * Chip `Intel digital thermal sensor' (confidence: 9)
    
    Note: there is no driver for IPMI BMC KCS yet.
    Check http://www.lm-sensors.org/wiki/Devices for updates.
    So I suppose that the error is coming form ISA bus chip IPMI BMC KCS where there is no driver available; I'll read in depth your different links and see if I can find a driver or if I can disable the ISA bus

    Many thanks
    Philippe
    You are welcome. With no driver for chip IPMI BMC KCS and incomplete ACPI support, the error/warning is a likely result.

    Good luck with your research and any follow-up needed with the lm-sensors project.
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