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    SubjectRe: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
    On Wed, 20 Jun 2007, Michael Poole wrote:

    > Tomas Neme writes:
    >
    >>> It's simple: they don't provide _complete_ source code. They keep the
    >>> source code for the part of their Linux kernel images that provides
    >>> the functionality "runs on Tivo DVRs". The GPL requires that
    >>
    >> http://en.wikipedia.org/wiki/Tivoization does not agree that this is
    >> the problem but rather "TiVo circumvented this goal by making their
    >> products run programs only if the program's digital signature matches
    >> those authorised by the manufacturer of the TiVo."
    >>
    >> I'm downloading the sources now.. if they compile, then you're lying
    >> to me, right? Moreover, if I compile them as is, and I can run them on
    >> a TiVo (let's say upgrading the machine's kernel) then you're even
    >> more so..
    >
    > Whether the sources you download from Tivo compile says very little.
    > It certainly does not mean I am wrong. I could give you binary for
    > version A and sources for version B -- and the sources would compile.
    >
    > The kernel you build from the source code that Tivo distributes must
    > be accepted by Tivo's hardware without making other modifications (to
    > Tivo's hardware or bootloader). If that is possible, I will retract
    > what I said. If it is not possible, they are omitting part of the
    > program's source code:

    no, saying that the result must be acceptable to other software (in this
    case the software running in the BIOS) is not part of the source code.

    David Lang

    > A "computer program" is a set of statements or instructions to be
    > used directly or indirectly in a computer in order to bring about
    > a certain result.
    > -- US Code, Title 17, Section 101
    >
    > Michael Poole
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