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

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On Mon, Aug 22, 2022 at 07:07:19PM +0800, Qu Wenruo wrote:
> 
> 
> 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?

Try it and see!



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