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    SubjectRe: [lm-sensors] bad temperature values from w83781d in 2.6.22
    Hi Joerg:

    * Joerg Sommrey <jo@sommrey.de> [2007-08-08 17:17:16 +0200]:
    > Hi Mark,
    >
    > just to eliminate as many impacts as possible, I did:
    > - reinstall the unmodified sensors.conf from Tyan's support page
    > - power off before rebooting
    >
    > A call to "sensors -s" is done without errors in all cases.
    > The module parameters I use currently with both kernels:
    >
    > options w83781d force_w83782d=0,0x2d force_subclients=0,0x2d,0x48,0x49
    > options w83627hf force_addr=0x0c00
    >
    > When I first realized the problem, I didn't use w83627hf yet. Results
    > are the same when w83781d is used as driver for w83627hf.
    > Parameters in that case just from Tyan:
    >
    > options w83781d force_w83782d=0,0x2d force_subclients=0,0x2d,0x48,0x49 force_w83627hf=0,0x2c force_subclients=0,0x2c,0x4a,0x4b init=0
    >
    > "My" i2cdump doesn't accept an -y option, maybe a Debianism. Results
    > see below.

    Newer i2cdump skips the 5-second warning when given -y, that's all.

    > ### 2.6.21 ###############################
    > Script started on Wed Aug 8 16:53:10 2007
    > bear:~/hwmon# i2cdump 0 0x2d b 0 0x4e

    (snip tons of results)

    Thanks for sending all that. I see one bug clearly, and I'm pretty close to
    seeing the other one. But for tonight, I need sleep.

    In the meantime, please try this command as root, against the newer kernel,
    *after* you've done 'sensors -s':

    # i2cset -f 0 0x2d 0x5d 0x0e b

    Wait > 2 seconds for the hardware to update itself, then run 'sensors' again.
    I'm pretty sure you'll see the correct temps.

    Regards,

    --
    Mark M. Hoffman
    mhoffman@lightlink.com

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