bug#30537: glibc 2.26 refuses to run on CentOS 6.8

[Leo Famulari]

On Mon, Feb 19, 2018 at 07:46:02PM +0100, Ricardo Wurmus wrote:
> The NixOS developers patch glibc to make sure that all software still
> runs on Linux 2.6.32:
> 
>     
> https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/development/libraries/glibc/allow-kernel-2.6.32.patch
> 
> Can we please also apply this?  Without this Guix on HPC is pretty much
> dead at the MDC.

My questions are, how does the glibc team choose the minimum kernel
version? What could go wrong if we apply this patch and somebody uses
Guix on a pre-3.2.0 kernel?

Perhaps they simply chose to not support glibc on any kernel that is not
supported upstream; 3.2.x is the oldest supported release series. But,
we should have some idea of their reasoning, in my opinion.

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