linux-kernel - Re: LTS kernel Linux 4.14.290 unable to boot with edk2-ovmf (x86

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Message-ID: <20220822083044.GC17080@1wt.eu>
Date:   Mon, 22 Aug 2022 10:30:44 +0200
From:   Willy Tarreau <w@....eu>
To:     Qu Wenruo <quwenruo.btrfs@....com>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        stable <stable@...r.kernel.org>,
        "linux-btrfs@...r.kernel.org" <linux-btrfs@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-x86_64@...r.kernel.org
Subject: Re: LTS kernel Linux 4.14.290 unable to boot with edk2-ovmf (x86_64
 UEFI runtime)

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.

Willy