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    Subject[lm_sensors] hard lockup on modprobe w83781d with Tyan Dual K7/Thunder
    Date
    Hello,

    I'm trying to get serveral lm_sensor versions up to CVS lm_sensors2 from
    yesterday to run on this mb. Now, I'm at linux-2.4.15-pre4, but also tried
    some 2.4.12(-ac?) versions, to no avail.

    sensors-detect says:
    We can start with probing for (PCI) I2C or SMBus adapters.
    You do not need any special privileges for this.
    Do you want to probe now? (YES/no):
    Probing for PCI bus adapters...
    Use driver `i2c-amd756' for device 00:07.3: AMD-766 Athlon ACPI
    Probe succesfully concluded.

    We will now try to load each adapter module in turn.
    Module `i2c-amd756' already loaded.
    Do you now want to be prompted for non-detectable adapters? (yes/NO):
    To continue, we need module `i2c-dev' to be loaded.
    If it is built-in into your kernel, you can safely skip this.
    i2c-dev is already loaded.

    We are now going to do the adapter probings. Some adapters may hang halfway
    through; we can't really help that. Also, some chips will be double detected;
    we choose the one with the highest confidence value in that case.
    If you found that the adapter hung after probing a certain address, you can
    specify that address to remain unprobed. That often
    includes address 0x69 (clock chip).

    Next adapter: SMBus AMD7X6 adapter at 80e0 (Non-I2C SMBus adapter)
    Do you want to scan it? (YES/no/selectively):
    Client found at address 0x08
    Probing for `National Semiconductor LM78'... Failed!
    Probing for `National Semiconductor LM78-J'... Failed!
    Probing for `National Semiconductor LM79'... Failed!
    Probing for `Winbond W83781D'... Failed!
    Probing for `Winbond W83782D'... Failed!
    Probing for `Winbond W83783S'... Failed!
    Probing for `Winbond W83627HF'... Failed!
    Probing for `Asus AS99127F'... Failed!
    Client found at address 0x2d
    Probing for `Myson MTP008'... Failed!
    Probing for `National Semiconductor LM78'... Failed!
    Probing for `National Semiconductor LM78-J'... Failed!
    Probing for `National Semiconductor LM79'... Failed!
    Probing for `National Semiconductor LM80'... Failed!
    Probing for `National Semiconductor LM87'... Failed!
    Probing for `Winbond W83781D'... Failed!
    Probing for `Winbond W83782D'... Success!
    (confidence 8, driver `w83781d'), other addresses: 0x48 0x49

    [eeprom stuff removed]

    Probed modules:
    # I2C adapter drivers
    modprobe i2c-amd756
    # I2C chip drivers
    modprobe w83781d <---- FREEZE

    kernel log during sensors-detect:
    Nov 14 17:28:33 tyrex kernel: i2c-core.o: i2c core module
    Nov 14 17:28:33 tyrex kernel: i2c-amd756.o version 2.6.1 (20010830)
    Nov 14 17:28:33 tyrex kernel: i2c-core.o: adapter SMBus AMD7X6 adapter at
    80e0 registered
    as adapter 0.
    Nov 14 17:28:33 tyrex kernel: i2c-amd756.o: AMD756/766 bus detected and
    initialized
    Nov 14 17:28:38 tyrex kernel: i2c-dev.o: i2c /dev entries driver module
    Nov 14 17:28:38 tyrex kernel: i2c-core.o: driver i2c-dev dummy driver
    registered.
    Nov 14 17:28:38 tyrex kernel: i2c-dev.o: Registered 'SMBus AMD7X6 adapter at
    80e0' as minor 0
    Nov 14 17:28:49 tyrex kernel: i2c-amd756.o: SMBus collision!
    Nov 14 17:28:49 tyrex last message repeated 3 times

    Any suggestions?

    Hans-Peter
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