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Date:      Thu, 12 Oct 2017 15:39:26 +0200
From:      "Hartmann, O." <ohartmann@walstatt.org>
To:        Ian Lepore <ian@freebsd.org>
Cc:        "O. Hartmann" <ohartmann@walstatt.org>, freebsd-arm@FreeBSD.org
Subject:   Re: NanoBSD: Current/NANO_ARCH=aarch64: chroot: : No such file or directory
Message-ID:  <20171012153922.6e747356@hermann>
In-Reply-To: <1507762426.8386.24.camel@freebsd.org>
References:  <bug-222924-7@https.bugs.freebsd.org/bugzilla/> <20171011204722.3622d73c@thor.intern.walstatt.dynvpn.de> <1507762426.8386.24.camel@freebsd.org>

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On Wed, 11 Oct 2017 16:53:46 -0600
Ian Lepore <ian@freebsd.org> wrote:

> On Wed, 2017-10-11 at 20:47 +0200, O. Hartmann wrote:
> > Trying to install a successfully cross compiled FreeBSD
> > (TARGET=3Darm64) as NanoBSD. NanoBSD is configure using
> > NANO_ARCH=3D"aarch64".
> >=20
> > Port emulators/qemu-user-static is installed and loaded:
> >=20
> > =A08=A0=A0=A0=A01 0xffffffff8243f000 1564=A0=A0=A0=A0=A0imgact_binmisc.=
ko
> >=20
> > When installing NanoBSD's world and then running mtree, the nanobsd
> > script runs into this error:
> >=20
> > /pool/nanobsd/aarch64/NANO_aarch64/_.w/./boot/loader.conf.local
> > 283 blocks
> > + [ -n /home/user/Projects/router/nanobsd/mtree/Files.mtree -a \
> > 			-f /home/user/Projects/router/nanobsd/mtree/Files.mtree
> > ]
> > + CR 'mtree -eiU -p /'
> > + chroot /pool/nanobsd/aarch64/NANO_aarch64/_.w '' /bin/sh -exc
> > 'mtree -eiU -p /' chroot: : No such file or directory

Oops, I confused the output.

The correct one is:

[ from _.cust.cust_install_files ]

...
+ chroot /pool/nanobsd/aarch64/NANO_aarch64/_.w /bin/sh -exc 'mtree
  -eiU -p /' chroot: /bin/sh: No such file or directory

The empty '' is due to my (hopeless helpless) attempt to fit-in another
variable which was set to an empty string.

The error looks to me as chroot does't find the proper shell, /bin/sh,
but it has been properly installed:

# file _.w/bin/sh
_.w/bin/sh: ELF 64-bit LSB executable, ARM aarch64, version 1
(FreeBSD), dynamically linked, interpreter /libexec/ld-elf.so.1, for
FreeBSD 12.0 (1200051), FreeBSD-style, stripped

# ll _.w/bin/sh
839832 -r-xr-xr-x  1 root  wheel  uarch  261K 12 Okt. 15:32 _.w/bin/sh

NanoBSD works on the native host when building on host arch amd64 for
host arch amd64 and I guess it is due to the properly installed OS of
the host.

I do not get the problem here. qemu_user_static should catch up with
the alien binary here - I suppose it does. The absolute path should
ensure the use of the right binary ...

Regards,

Oliver

> >  =20
>=20
> I'm not sure how or why it's happening (I've never used nanobsd), but
> the complaint is about those empty quotes ('') between the pathname
> and the /bin/sh in the chroot command. =A0It's trying to run a program
> named '' and chroot is complaining that it can't find anything named
> that.
>=20
> -- Ian
>=20
> > Is there anything I miss here with the QEMU emulator catching up?
> >=20
> > Thanks in advance,
> >=20
> > Oliver
> >  =20




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