Re: Setting up a Hurd build node

["Ludovic Courtès" <ludo@gnu.org>]

Hello,

Ricardo Wurmus <rekado@elephly.net> skribis:

> I just built Guix in a Debian GNU/Hurd VM and wanted to set it up as a
> build node.  I applied a patch to use the i586-gnu bootstrap binaries
> from my previous attempt in late 2018, which are published at
> https://berlin.guixsd.org/guix/bootstrap/i586-gnu/20180908/.  These were
> built with the old patched glibc 2.23.  (The patch to add the bootstrap
> binaries is 3.5MB in size because it includes the statically linked
> binaries, so I’m not attaching it here.)

I think we should fix our cross-compiled bootstrap Guile so we can
finally upload bootstrap binaries to ftp.gnu.org:

  https://issues.guix.info/issue/34427
  https://lists.gnu.org/archive/html/guix-devel/2018-12/msg00364.html

> root@debian:~/guix-1.0.0# ./pre-inst-env guix-daemon --build-users-group=guixbuild --disable-chroot &
> root@debian:~/guix-1.0.0# ./pre-inst-env guix build -S hello
> madvise failed: Function not implemented

This warning comes from Guile; it’s fixed in our guile 2.2 package and
upstream.

> The following derivation will be built:
>    /gnu/store/qihk8cf98xqc7q577wb2nc5axy2ryp8m-hello-2.10.tar.gz.drv
> error: cannot kill processes for uid `999': Operation not permitted
> guix build: error: cannot kill processes for uid `999': failed with exit code 1

EPERM comes from ‘waitpid’; weird!

> Uid 999 belongs to guixbuilder01.  (The gid for the guixbuild group is
> also 999.)
>
> I also tried building “hello”, but I only get the message
>
>     madvise failed: Function not implemented
>
> printed endlessly.  (This is probably harmless, but nothing else
> happens.)

Looks like the bootstrap Guile is broken somehow.

Ludo’.