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    SubjectRe: LTS kernel Linux 4.14.290 unable to boot with edk2-ovmf (x86_64 UEFI runtime)


    On 2022/8/22 16:30, Willy Tarreau wrote:
    > On Mon, Aug 22, 2022 at 04:19:49PM +0800, Qu Wenruo wrote:
    >>> Regardless, if you need an older compiler, just use these ones:
    >>>
    >>> https://mirrors.edge.kernel.org/pub/tools/crosstool/
    >>>
    >>> They go back to 4.9.4 for x86, you'll surely find the right one for your
    >>> usage. I've long used 4.7.4 for kernels up to 4.9 and 6.5 for 4.19 and
    >>> above, so something within that area will surely match your needs.
    >>
    >> BTW, it would be way more awesome if the page can provide some hint on
    >> the initial release date of the compilers.
    >>
    >> It would help a lot of choose the toolchain then.
    >
    > It wouldn't help, if you look closely, you'll notice that in the "other
    > releases" section you have the most recent version of each of them. That
    > does not preclude the existence of the branch earlier. For example gcc-9
    > was released in 2019 and 9.5 was emitted 3 years later. That's quite an
    > amplitude that doesn't help.

    Maybe I'm totally wrong, but if GCC10.1 is released May 2020, and even
    10.4 is released 2022, then shouldn't we expect the kernel releases
    around 2020 can be compiled for all GCC 10.x releases?

    Thus the initial release date should be a good enough hint for most cases.

    If go this method, for v4.14 I guess I should go gcc 7.x, as gcc 7.1 is
    released May 2017, even the latest 7.5 is released 2019.

    Or is my uneducated guess completely wrong?

    Thanks,
    Qu

    >
    > Willy

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