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    SubjectRe: Sensors errors with 15-rc6, 15-rc5 was normal
    Hi Gene,

    > > Please keep this conversation on the LKML, where it started.

    How many times must I tell you?

    > Next adapter: SMBus nForce2 adapter at 5100
    > Do you want to scan it? (YES/no/selectively):
    > Client found at address 0x08
    > Client found at address 0x4e
    > Probing for `National Semiconductor LM75'... Failed!
    > Probing for `Dallas Semiconductor DS1621'... Failed!
    > Probing for `Analog Devices ADM1021'... Failed!
    > Probing for `Analog Devices ADM1021A/ADM1023'... Failed!
    > Probing for `Maxim MAX1617'... Failed!
    > Probing for `Maxim MAX1617A'... Failed!
    > Probing for `TI THMC10'... Failed!
    > Probing for `National Semiconductor LM84'... Failed!
    > Probing for `Genesys Logic GL523SM'... Failed!
    > Probing for `Onsemi MC1066'... Failed!
    > Probing for `Maxim MAX1619'... Failed!
    > Probing for `National Semiconductor LM82'... Failed!
    > Probing for `National Semiconductor LM83'... Failed!
    > Probing for `Maxim MAX6659'... Failed!
    > Probing for `Maxim MAX6633/MAX6634/MAX6635'... Failed!

    Hmm, that could be a secondary temperature sensor. Please find out
    which i2c bus number is "SMBus nForce2 adapter at 5100" (using
    "i2cdetect -l") then dump the chips contents ("i2cdump N 0x4e b" where
    N is the i2c bus number).

    Please check "lsmod" and confirm that you are using the w83627hf driver
    and not the older w83781d driver.

    > > 2* The output of "sensors" in 2.6.15-rc5.
    > [root@coyote root]# sensors
    > (...)
    > w83627hf-isa-0290
    > Adapter: ISA adapter
    > VCore 1: +1.66 V (min = +1.57 V, max = +1.73 V)
    > VCore 2: +1.79 V (min = +1.57 V, max = +1.73 V) ALARM
    > +3.3V: +3.26 V (min = +3.14 V, max = +3.47 V)
    > +5V: +4.87 V (min = +4.76 V, max = +5.24 V)
    > +12V: +11.80 V (min = +10.82 V, max = +13.19 V)
    > -12V: -12.28 V (min = -13.18 V, max = -10.80 V)
    > -5V: -5.05 V (min = -5.25 V, max = -4.75 V)
    > V5SB: +5.59 V (min = +4.76 V, max = +5.24 V) ALARM
    > VBat: +3.15 V (min = +2.40 V, max = +3.60 V)
    > fan1: 1757 RPM (min = -1 RPM, div = 16) ALARM
    > fan2: 2636 RPM (min = 659 RPM, div = 16)
    > fan3: 0 RPM (min = 2636 RPM, div = 16) ALARM
    > temp1: -48°C (high = +0°C, hyst = +11°C) sensor =
    > thermistor
    > temp2: +67.5°C (high = +120°C, hyst = +115°C) sensor =
    > thermistor
    > temp3: +127.5°C (high = +120°C, hyst = +115°C) sensor =
    > PII/Celeron diode ALARM
    > vid: +1.650 V
    > alarms:
    > beep_enable:
    > Sound alarm enabled
    >
    > > 3* The output of "sensors" in 2.6.15-rc6.
    > (...)
    > w83627hf-isa-0290
    > Adapter: ISA adapter
    > VCore 1: +1.68 V (min = +1.57 V, max = +1.73 V)
    > VCore 2: +1.79 V (min = +1.57 V, max = +1.73 V) ALARM
    > +3.3V: +3.30 V (min = +3.14 V, max = +3.47 V)
    > +5V: +4.87 V (min = +4.76 V, max = +5.24 V)
    > +12V: +11.86 V (min = +10.82 V, max = +13.19 V)
    > -12V: -12.28 V (min = -13.18 V, max = -10.80 V)
    > -5V: -5.00 V (min = -5.25 V, max = -4.75 V)
    > V5SB: +5.62 V (min = +4.76 V, max = +5.24 V) ALARM
    > VBat: +3.14 V (min = +2.40 V, max = +3.60 V)
    > fan1: 1721 RPM (min = -1 RPM, div = 16) ALARM
    > fan2: 2636 RPM (min = 659 RPM, div = 16)
    > fan3: 0 RPM (min = 2636 RPM, div = 16) ALARM
    > temp1: -48°C (high = +0°C, hyst = +11°C) sensor =
    > thermistor
    > temp2: +63.0°C (high = +120°C, hyst = +115°C) sensor =
    > thermistor
    > temp3: +127.5°C (high = +120°C, hyst = +115°C) sensor =
    > PII/Celeron diode ALARM
    > vid: +1.650 V
    > alarms:
    > beep_enable:
    > Sound alarm enabled
    >
    > Humm, not a heck of a lot of diff to the sensors output. temp1 is shut
    > off in gkrellm anyway. Is temp3 the cpu? This is an Athon XP-2800
    > stepping 00 cpu.

    Obvsiouly not, else your computer would be on fire. The CPU temp would
    be temp2, although it's quite high especially for a thermistor-based
    measurement (which is usually taken from the socket rather than the CPU
    itself). And it matches what gkrellm tells you in -rc5 (65 degrees C is
    149 degrees F).

    temp1 and temp3 are either nor wired, or use a different sensor type
    than the one currently setup. You may try changing the sensor type and
    see if it brings interesting readings (like built-in CPU diode or
    motherboard sensor).

    And actually there is very little difference between both outputs -
    I expected this as the driver did not change between -rc5 and -rc6.
    So the problem seems to be that gkrellm fails to pick the proper
    temperature input in -rc6. Why, I have no idea. But as long as
    "sensors" work, the bug has to be in gkrellm rather than the kernel
    driver.

    See if you have anything under /proc/acpi/thermal_zone. Maybe gkrellm
    picks the temperature from ACPI in -rc6 for whatever reason.

    --
    Jean Delvare
    -
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