Re: [bug] CONFIG_I2C_VIAPRO=y breaks skge

From: Jean Delvare
Date: Thu Jan 29 2009 - 10:14:42 EST


On Thu, 29 Jan 2009 15:27:59 +0100, Ingo Molnar wrote:
>
> * Jean Delvare <khali@xxxxxxxxxxxx> wrote:
> > This VIA chipset is the bridge over which the bugs run. Blaming on it
> > for the problem you've hit would be similar to blaming the USB host
> > controller driver for a bug that is in the USB keyboard or mouse driver.
> >
> > The "other I2C drivers" don't run frequently at all now that you've
> > disabled i2c-viapro. Without an I2C bus to probe on the machine, these
> > drivers don't do anything.
>
> ah, okay - i see - what i thought to be a surgical workaround has cut off
> the whole leg. Will go back to find the ailing muscle instead.

Exactly.

> > So, again, if you are still willing to help me solve the problem, please
> > boot the bad kernel and run:
> >
> > $ ls -l /sys/bus/i2c/devices/*/driver
> >
> > Then we'll know which drivers attached to I2C devices on your SMBus.
> > Figuring out which one shouldn't have will likely be straightforward.
>
> will take some time - but i'll revisit it.
>
> Could you give me a short list of I2C driver .config options i should
> disable one by one (instead of viapro) ?

I can't tell you before you give me the output of
ls -l /sys/bus/i2c/devices/*/driver
for the broken system.

--
Jean Delvare
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