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Date: Sat, 22 Mar 2014 12:12:23 +0100
From: Szabolcs Nagy <>
Cc: Rich Felker <>
Subject: Re: Build on linux 2.6 and run on linux 2.4?

* John Mudd <> [2014-03-21 16:16:29 -0400]:
> $ test_malloc
> FATAL: kernel too old
> Segmentation fault

this is printed by glibc

glibc can be built with --enable-kernel=x.y.z to set the minimal
compatible kernel version (it spends an extra uname syscall on this
at startup)

and there is a gnu elf note section with linux os abi that contains
a minimum kernel version (readelf or file(1) can print it), i guess
that comes from binutils

so you may be able to change those and then it will "work"

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