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    SubjectRe: Linux 2.6.3-rc4
    On Tue, Feb 17, 2004 at 11:09:45AM -0800, Linus Torvalds <> wrote:
    > > drivers/built-in.o(.text+0xb2c44): In function `radeon_do_probe_i2c_edid':
    > > : undefined reference to `i2c_transfer'
    > > make: *** [.tmp_vmlinux1] Error 1
    > >
    > > .config snippshet:
    > > # CONFIG_FB_RADEON_OLD is not set
    > I don't see this. What's your I2C config, and how did you generate your
    > config file?
    I do not attach it, as I think I have found the root of the problem.
    Usually I save my .config to a safe place, copy it into the kernel
    source, do 'make oldconfig', and only if necessary I do 'make menuconfig'
    as well.

    > CONFIG_FB_RADEON_I2C should depend on CONFIG_I2C, and it selects
    > I2C_ALGOBIT, but your error messages seem to imply that you don't have i2c
    > enabled at all.
    I have. My shot would be that as CONFIG_FB_RADEON_I2C is y-n, but
    CONFIG_I2C and CONFIG_I2C_ALGOBIT are tri-state as m in my case, the
    problem can be that the functions are compiled into the module and
    CONFIG_FB_RADEON_I2C can't find them in the static part of the kernel.
    At least I do confirm that changing CONFIG_I2C and CONFIG_I2C_ALGOBIT
    from m to y makes the problem disappear.

    > Which implies a configuration error (but the Kconfig file looks correct,
    > so I wonder if you found a bug in the configurator).
    Can the configurator force the dependencies to the same state? For my
    case it should have change my m's to y's.

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