Problem with sensors on linux 2.6.25 - Kernel

This is a discussion on Problem with sensors on linux 2.6.25 - Kernel ; Hello, I've strange problem with Linux 2.6.25 and later (I've compiled 2.6.26-rc1 and I have same problem). In 'sensors' command result, I get ALARMs. Here's 'sensors' result on Linux 2.6.24: it87-isa-0290 Adapter: ISA adapter VCore 1: +1,71 V (min = ...

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Thread: Problem with sensors on linux 2.6.25

  1. Problem with sensors on linux 2.6.25

    Hello,
    I've strange problem with Linux 2.6.25 and later (I've compiled 2.6.26-rc1 and
    I have same problem). In 'sensors' command result, I get ALARMs.
    Here's 'sensors' result on Linux 2.6.24:

    it87-isa-0290
    Adapter: ISA adapter
    VCore 1: +1,71 V (min = +3,97 V, max = +1,95 V)
    VCore 2: +3,09 V (min = +3,82 V, max = +1,01 V)
    +3.3V: +3,07 V (min = +3,82 V, max = +3,06 V)
    +5V: +5,59 V (min = +4,27 V, max = +5,11 V)
    +12V: +13,31 V (min = +15,62 V, max = +7,74 V)
    -12V: -2,69 V (min = -0,61 V, max = +3,44 V)
    -5V: -9,14 V (min = +3,82 V, max = -2,62 V)
    Stdby: +0,00 V (min = +6,37 V, max = +5,03 V)
    VBat: +3,25 V
    fan1: 5152 RPM (min = 0 RPM, div = 2)
    fan2: 0 RPM (min = 0 RPM, div = 2)
    M/B Temp: +34,0C (low = -7,0C, high = -11,0C) sensor = transistor
    CPU Temp: +33,0C (low = -66,0C, high = +127,0C) sensor = transistor
    Temp3: +31,0C (low = -33,0C, high = -101,0C) sensor = transistor

    Two minutes later, on Linux 2.6.25:

    it87-isa-0290
    Adapter: ISA adapter
    VCore 1: +1,71 V (min = +3,97 V, max = +1,95 V) ALARM
    VCore 2: +3,09 V (min = +3,82 V, max = +1,01 V) ALARM
    +3.3V: +3,07 V (min = +3,82 V, max = +3,06 V) ALARM
    +5V: +5,59 V (min = +4,27 V, max = +5,11 V) ALARM
    +12V: +13,31 V (min = +15,62 V, max = +7,74 V) ALARM
    -12V: -2,69 V (min = -0,61 V, max = +3,44 V) ALARM
    -5V: -9,14 V (min = +3,82 V, max = -2,62 V) ALARM
    Stdby: +0,00 V (min = +6,37 V, max = +5,03 V) ALARM
    VBat: +3,25 V
    fan1: 5152 RPM (min = 0 RPM, div = 2)
    fan2: 0 RPM (min = 0 RPM, div = 2)
    M/B Temp: +35,0C (low = -7,0C, high = -11,0C) sensor = transistor
    CPU Temp: +33,0C (low = -66,0C, high = +127,0C) sensor = transistor
    Temp3: +32,0C (low = -33,0C, high = -101,0C) sensor = transistor

    Results are almost identical, but I get those ALARMs. I've Pentium4 1,4Ghz
    processor, module for my mainboard is BLK_DEV_VIA82CXXX. Is that a bug? Can I
    safely use Linux 2.6.25 or later?
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  2. Re: Problem with sensors on linux 2.6.25

    On Sun, 4 May 2008 23:34:03 +0200 tockar wrote:

    > Hello,
    > I've strange problem with Linux 2.6.25 and later (I've compiled 2.6.26-rc1 and
    > I have same problem). In 'sensors' command result, I get ALARMs.
    > Here's 'sensors' result on Linux 2.6.24:
    >
    > it87-isa-0290
    > Adapter: ISA adapter
    > VCore 1: +1,71 V (min = +3,97 V, max = +1,95 V)
    > VCore 2: +3,09 V (min = +3,82 V, max = +1,01 V)
    > +3.3V: +3,07 V (min = +3,82 V, max = +3,06 V)
    > +5V: +5,59 V (min = +4,27 V, max = +5,11 V)
    > +12V: +13,31 V (min = +15,62 V, max = +7,74 V)
    > -12V: -2,69 V (min = -0,61 V, max = +3,44 V)
    > -5V: -9,14 V (min = +3,82 V, max = -2,62 V)
    > Stdby: +0,00 V (min = +6,37 V, max = +5,03 V)
    > VBat: +3,25 V
    > fan1: 5152 RPM (min = 0 RPM, div = 2)
    > fan2: 0 RPM (min = 0 RPM, div = 2)
    > M/B Temp: +34,0__C (low = -7,0__C, high = -11,0__C) sensor = transistor
    > CPU Temp: +33,0__C (low = -66,0__C, high = +127,0__C) sensor = transistor
    > Temp3: +31,0__C (low = -33,0__C, high = -101,0__C) sensor = transistor
    >
    > Two minutes later, on Linux 2.6.25:
    >
    > it87-isa-0290
    > Adapter: ISA adapter
    > VCore 1: +1,71 V (min = +3,97 V, max = +1,95 V) ALARM
    > VCore 2: +3,09 V (min = +3,82 V, max = +1,01 V) ALARM
    > +3.3V: +3,07 V (min = +3,82 V, max = +3,06 V) ALARM
    > +5V: +5,59 V (min = +4,27 V, max = +5,11 V) ALARM
    > +12V: +13,31 V (min = +15,62 V, max = +7,74 V) ALARM
    > -12V: -2,69 V (min = -0,61 V, max = +3,44 V) ALARM
    > -5V: -9,14 V (min = +3,82 V, max = -2,62 V) ALARM
    > Stdby: +0,00 V (min = +6,37 V, max = +5,03 V) ALARM
    > VBat: +3,25 V
    > fan1: 5152 RPM (min = 0 RPM, div = 2)
    > fan2: 0 RPM (min = 0 RPM, div = 2)
    > M/B Temp: +35,0__C (low = -7,0__C, high = -11,0__C) sensor = transistor
    > CPU Temp: +33,0__C (low = -66,0__C, high = +127,0__C) sensor = transistor
    > Temp3: +32,0__C (low = -33,0__C, high = -101,0__C) sensor = transistor
    >
    > Results are almost identical, but I get those ALARMs. I've Pentium4 1,4Ghz
    > processor, module for my mainboard is BLK_DEV_VIA82CXXX. Is that a bug? Can I
    > safely use Linux 2.6.25 or later?


    (cc added)
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  3. Re: [lm-sensors] Problem with sensors on linux 2.6.25

    On Tue, 6 May 2008 23:18:38 -0700, Andrew Morton wrote:
    > On Sun, 4 May 2008 23:34:03 +0200 tockar wrote:
    >
    > > Hello,
    > > I've strange problem with Linux 2.6.25 and later (I've compiled 2.6.26-rc1 and
    > > I have same problem). In 'sensors' command result, I get ALARMs.
    > > Here's 'sensors' result on Linux 2.6.24:
    > >
    > > it87-isa-0290
    > > Adapter: ISA adapter
    > > VCore 1: +1,71 V (min = +3,97 V, max = +1,95 V)
    > > VCore 2: +3,09 V (min = +3,82 V, max = +1,01 V)
    > > +3.3V: +3,07 V (min = +3,82 V, max = +3,06 V)
    > > +5V: +5,59 V (min = +4,27 V, max = +5,11 V)
    > > +12V: +13,31 V (min = +15,62 V, max = +7,74 V)
    > > -12V: -2,69 V (min = -0,61 V, max = +3,44 V)
    > > -5V: -9,14 V (min = +3,82 V, max = -2,62 V)
    > > Stdby: +0,00 V (min = +6,37 V, max = +5,03 V)
    > > VBat: +3,25 V
    > > fan1: 5152 RPM (min = 0 RPM, div = 2)
    > > fan2: 0 RPM (min = 0 RPM, div = 2)
    > > M/B Temp: +34,0__C (low = -7,0C, high = -11,0C) sensor = transistor
    > > CPU Temp: +33,0__C (low = -66,0C, high = +127,0C) sensor = transistor
    > > Temp3: +31,0__C (low = -33,0C, high = -101,0C) sensor = transistor
    > >
    > > Two minutes later, on Linux 2.6.25:
    > >
    > > it87-isa-0290
    > > Adapter: ISA adapter
    > > VCore 1: +1,71 V (min = +3,97 V, max = +1,95 V) ALARM
    > > VCore 2: +3,09 V (min = +3,82 V, max = +1,01 V) ALARM
    > > +3.3V: +3,07 V (min = +3,82 V, max = +3,06 V) ALARM
    > > +5V: +5,59 V (min = +4,27 V, max = +5,11 V) ALARM
    > > +12V: +13,31 V (min = +15,62 V, max = +7,74 V) ALARM
    > > -12V: -2,69 V (min = -0,61 V, max = +3,44 V) ALARM
    > > -5V: -9,14 V (min = +3,82 V, max = -2,62 V) ALARM
    > > Stdby: +0,00 V (min = +6,37 V, max = +5,03 V) ALARM
    > > VBat: +3,25 V
    > > fan1: 5152 RPM (min = 0 RPM, div = 2)
    > > fan2: 0 RPM (min = 0 RPM, div = 2)
    > > M/B Temp: +35,0__C (low = -7,0C, high = -11,0C) sensor = transistor
    > > CPU Temp: +33,0__C (low = -66,0C, high = +127,0C) sensor = transistor
    > > Temp3: +32,0__C (low = -33,0C, high = -101,0C) sensor = transistor
    > >
    > > Results are almost identical, but I get those ALARMs. I've Pentium4 1,4Ghz
    > > processor, module for my mainboard is BLK_DEV_VIA82CXXX. Is that a bug? Can I
    > > safely use Linux 2.6.25 or later?


    No, it's not a bug. Yes, 2.6.25 can be safely used, do not worry.

    The it87 driver in kernel 2.6.24 did not implement the standard alarm
    reporting, so sensors 3.x (which I guess you are using) couldn't report
    the alarms. This was fixed in 2.6.25, so now you see the alarms, but in
    fact they were already there before.

    All these alarms really mean is that you didn't bother fine-tuning your
    sensors3.conf file, or you did but you forgot to run "sensors -s"
    afterwards, so the low and high limits for each sensor aren't set
    properly. So, if you care about the alarms, you have to edit the
    configuration file. If you are lucky, we might have one for your board
    already, check at http://www.lm-sensors.org/wiki/Configurations and
    http://khali.linux-fr.org/devel/lm-sensors/ . But more likely you'll
    have to do the work by yourself.

    Note: I see that you are using a locale where a comma is used to
    display decimal numbers. There's a bug in libsensors which causes some
    statements of the configuration file to be parsed improperly in this
    case. This is fixed in SVN already, but until 3.0.2 is released and you
    upgrade to it, you should force your locale to C when running "sensors"
    or "sensors -s".

    --
    Jean Delvare
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