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On Sunday 15 January 2006 23:33, Rudolf Marek wrote:
> Hello all,
>
> > this appears simply a probing for non-existent i2c ports (correct me if I
> > am wrong) presumably by eeprom driver.
>
> yes I think you are right. (ADD/2 is the address of chip, that it tries to
> access)
>
> > Second block are errors from lm90 for different registers:
> >
> > Jan 15 22:24:02 cooker kernel: i2c_adapter i2c-0: Transaction (pre):
> > STS=04, TYP=10, CMD=01, ADD=99, DAT0=a0, DAT1=10
> > Jan 15 22:24:02 cooker kernel: i2c_adapter i2c-0: Transaction (post):
> > STS=14, TYP=10, CMD=01, ADD=99, DAT0=29, DAT1=10
> > Jan 15 22:24:02 cooker kernel: i2c_adapter i2c-0: Transaction (pre):
> > STS=04, TYP=10, CMD=08, ADD=98, DAT0=29, DAT1=10
> > Jan 15 22:24:02 cooker kernel: i2c_adapter i2c-0: Error: command never
> > completed
> > Jan 15 22:24:02 cooker kernel: i2c_adapter i2c-0: Transaction (post):
> > STS=04, TYP=10, CMD=08, ADD=98, DAT0=29, DAT1=10
> > Jan 15 22:24:02 cooker kernel: lm90 0-004c: Register 0x8 read failed (-1)
I still did not have much time to spend on it but booting today I suddenly got
i2c_adapter i2c-0: Unsupported chip (man_id=0x41, chip_id=0x42).
I begin to suspect that it is still lm90 (at least partly). Transacton did not
fail (otherwise we were not here) but returned some strange value. Anyone
knows if such chip really exits?
TIA
- -andrey
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