[BUG] linux-2.6.12_rc4: Oops: Kernel access of bad area, sig: 11 [#1]

[Benjamin Herrenschmidt]

On Sun, 2005-05-08 at 07:22 +0000, Markus Rothe wrote:
> Hi,
> 
> I've just noticed, that I've changed my config slightly from rc3 to rc4.
> Here is the according diff part of the configs.
> 
> ---- SNIP ----
> 
> --- /usr/src/linux-2.6.12-rc3/.config   2005-05-08 06:54:38.000000000 +0000
> +++ /usr/src/linux-2.6.12-rc4/.config   2005-05-08 07:16:32.000000000 +0000
> @@ -602,7 +607,7 @@
>  # I2C support
>  #
>  CONFIG_I2C=y
> -# CONFIG_I2C_CHARDEV is not set
> +CONFIG_I2C_CHARDEV=m
>  
>  #
>  # I2C Algorithms
>  
> ---- SNIP ----
> 
> I've compiled rc3 with CONFIG_I2C_CHARDEV=m and now I get the Oops with
> this version, too.

So something is screwing with the i2c bus .. interesting...

Ben.