[OE-core] [PATCH 26/27] qemu.bbclass: add -r ${OLDEST_KERNEL} parameter

[Andreas Müller]

On Thu, Oct 2, 2014 at 5:05 PM, Martin Jansa <martin.jansa at gmail.com> wrote:

> On Thu, Oct 02, 2014 at 11:22:11AM +0200, Andreas Müller wrote:
> > On Mon, Sep 8, 2014 at 1:58 PM, Ross Burton <ross.burton at intel.com>
> wrote:
> >
> > > From: Martin Jansa <martin.jansa at gmail.com>
> > >
> > > * in some cases (e.g. with external toolchain which doesn't respect our
> > >   reasonably old version set in OLDEST_KERNEL) it's possible to have
> libc
> > >   which requires newer kernel than what we have on builders, qemu
> supports
> > >   -r param to use different uname than what's returned by host system.
> > > * change qemu_run_binary to pass -r ${OLDEST_KERNEL} and add the same
> to
> > >   QEMU_OPTIONS which are used by qemuwrapper-cross
> > > * maybe we should eventually convert all qemu_run_binary usages always
> > > include
> > >   qemuwrapper-cross dependency and always call qemu through that (it
> > >   seems very strange that qemu_target_binary is called from qemuwrapper
> > >   and for allarch recipes it can return qemu-allarch as qemu binary).
> > >
> > >   qemu_run_binary is used by:
> > >   meta/classes/gtk-immodules-cache.bbclass:
> > > ${@qemu_run_binary(d, '$D',
> '${bindir}/gtk-query-immodules-$maj_ver.0')} \
> > >   meta/classes/qemu.bbclass:def qemu_run_binary(data, rootfs_path,
> binary):
> > >   meta/recipes-core/systemd/systemd_213.bb:
>  ${@qemu_run_binary(d,
> > > '$D', '${base_bindir}/udevadm')} hwdb --update \
> > >   meta/recipes-graphics/pango/pango.inc:    ${@qemu_run_binary(d,
> > > '$D','${bindir}/${MLPREFIX}pango-querymodules')} \
> > >
> > >   and qemuwrapper directly by:
> > >   scripts/postinst-intercepts/update_font_cache:PSEUDO_UNLOAD=1
> > > qemuwrapper -L $D -E LD_LIBRARY_PATH=$D/${libdir}:$D/${base_libdir}\
> > >   scripts/postinst-intercepts/update_pixbuf_cache:PSEUDO_UNLOAD=1
> > > qemuwrapper -L $D -E LD_LIBRARY_PATH=$D/${libdir}:$D/${base_libdir}\
> > >
> > > Somehow related but I don't understand fully yet:
> >
> > do_rootfs complains:
> > NOTE: > Executing update_pixbuf_cache intercept ...
> > FATAL: kernel too old
> > WARNING: The postinstall intercept hook 'update_pixbuf_cache' failed
> (exit
> > code: 127)! See log for details!
> >
> > and many other 'kernel too old' messages. Target kernel is 3.14.19 / Host
> > is 3.14.17. Too old?
>
> What is your OLDEST_KERNEL value? and what does "file" show as required
> kernel on those binaries?
>
>
> Thanks: Angstrom sets 2.6.16 and file says 'for GNU/Linux 2.6.32'. Will
send out a patch to angstrom after testing

Andreas
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