[arch-releng] [archiso] [PATCH] Reintroduce the possibility to force an architecture

[Gerardo Exequiel Pozzi]

On 08/07/2014 01:05 PM, Lukas Fleischer wrote:
> Among other things, 36459f3 ([archiso] Drop aitab support, 2014-06-28)
> removed the possibility to manually set a specific architecture by using
> kernel parameters. This, however, is useful, e.g. when installing Arch
> Linux on a device that reports itself as i586 but works fine with the
> i686 flavor.
> 
> Signed-off-by: Lukas Fleischer <archlinux at cryptocrack.de>
> ---
>  archiso/initcpio/hooks/archiso | 2 +-
>  docs/README.bootparams         | 4 ++++
>  2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/archiso/initcpio/hooks/archiso b/archiso/initcpio/hooks/archiso
> index 26bdedc..4c50566 100644
> --- a/archiso/initcpio/hooks/archiso
> +++ b/archiso/initcpio/hooks/archiso
> @@ -101,7 +101,7 @@ _verify_checksum() {
>  }
>  
>  run_hook() {
> -    arch="$(uname -m)"
> +    [[ -z "${arch}" ]] && arch="$(uname -m)"
>      [[ -z "${cowspace_size}" ]] && cowspace_size="75%"
>      [[ -z "${copytoram_size}" ]] && copytoram_size="75%"
>      [[ -z "${archisobasedir}" ]] && archisobasedir="arch"
> diff --git a/docs/README.bootparams b/docs/README.bootparams
> index caee0c2..634cf44 100644
> --- a/docs/README.bootparams
> +++ b/docs/README.bootparams
> @@ -57,6 +57,10 @@ INDEX
>                      Default: "75%"
>  * dm_snap_prefix=   Set a prefix for device-mapper snapshot node names.
>                      Default: "arch"
> +* arch=             Force an architecture type (i686 | x86_64).
> +                    Do not set it for normal operations.
> +                    Useful for running a 64 bit kernel / 32 bit userspace.
> +                    Default: (architecture of running kernel)
>  
>  
>  ** hooks/archiso_pxe_common
> 

OK. I will add it, but help message should be different, since aitab
does not exist anymore, just remove "Useful for running a 64 bit kernel
/ 32 bit userspace." and maybe add message about these broken machines.

This should be fixed at kernel level, there is a open/closed report
about this?

Thanks


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