Re: [gentoo-amd64] exec format errors

[Jos van Gisbergen]

Marco Matthies wrote:
> Jos van Gisbergen wrote:
>
>> I'm trying to install gentoo on my athlon 3800+ x2 system, using
>> stage3-amd64*
>> but when I reach the "chroot /mnt/gentoo /bin/bash" point I get the error
>> message "bash: exec format error". It seems *all* binaries on
>> /mnt/gentoo/bin
>> are not executable. Should I use x86 instead of amd64? It seems
>> illogical.
>
>
> My guess is that you are using the x86 livecd. Exec format error usually
> means the execve system call used to run your program returned ENOEXEC,
> meaning the kernel did not recognize your executable format.

Yes, most probably I have the x86 livecd -- I can't check now
because I'm not behind my home box. But I'm going to try an amd64
boot disc.


Thanks,


Jos

>
> Check the executable with `file /bin/bash` to see for which arch the
> executable is and check which arch your kernel was compiled for `uname
> -m`. On my system the output is as follows:
>
> $ file /bin/bash
> /bin/bash: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for
> GNU/Linux 2.4.1, dynamically linked (uses shared libs), for GNU/Linux
> 2.4.1, stripped
>
> $ uname -m
> x86_64
>
> Normally problems using chroot arise through library problems (when
> attempting to run dynamically linked programs), when the new root you
> want to change to doesn't have the libraries your (dynamically linked)
> program needs. The way to fix this is to run `ldd /bin/bash`, look at
> the output and make sure that these libs are available under the new root.
>
> Marco


-- 
Jos van Gisbergen
Sagantec Netherlands
email : jos@××××××××.nl
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