Re: buildworld: "cp: /dev/null: Invalid argument"

On Fri, Sep 11, 2020 at 1:57 AM O. Hartmann <ohartmann_at_walstatt.org> wrote:

> On Thu, 10 Sep 2020 10:44:08 -0600
> Alan Somers <asomers_at_freebsd.org> wrote:
>
> > No, it's devfs.  I'll fix it.
> >
> > On Thu, Sep 10, 2020 at 10:18 AM Ryan Stone <rysto32_at_gmail.com> wrote:
> >
> > > I'm curious: does this give a similar issue?
> > >
> > > touch /tmp/foo
> > > cp /tmp/foo /tmo/foo2
> > >
> > > I'm wondering if the issue is that copy_file_range isn't handling
> > > empty files, or if it's a devfs issue.
> > >
> > >
> > > On Thu, Sep 10, 2020 at 11:45 AM Michael Butler
> > > <imb_at_protected-networks.net> wrote:
> > > >
> > > > It seems that SVN r365549 broke "cp /dev/null ..."
> > > >
> > > >     imb
> > > >
> > > > On 9/10/20 10:35 AM, Michael Butler wrote:
> > > > > Is anyone else seeing failures like this in building world and, in
> my
> > > > > case, cron jobs as well?
> > > > >
> > > > >
> > > > > Building
> /usr/obj/usr/src/amd64.amd64/stand/i386/zfsboot/zfsboot.ldr
> > > > > --- all_subdir_sbin ---
> > > > > Building /usr/obj/usr/src/amd64.amd64/sbin/bsdlabel/bsdlabel
> > > > > --- all_subdir_stand ---
> > > > > --- zfsboot.ldr ---
> > > > > cp: /dev/null: Invalid argument
> > > > > *** [zfsboot.ldr] Error code 1
> > > > > make[5]: *** zfsboot.ldr removed
> > > > > --- all_subdir_kerberos5 ---
> > > > > Building
> > > /usr/obj/usr/src/amd64.amd64/kerberos5/usr.sbin/iprop-log/iprop-log
> > > > > --- all_subdir_stand ---
> > > > >
> > > > > make[5]: stopped in /usr/src/stand/i386/zfsboot
> > > > > .ERROR_TARGET='zfsboot.ldr'
> > > > >
> > >
> .ERROR_META_FILE='/usr/obj/usr/src/amd64.amd64/stand/i386/zfsboot/zfsboot.ldr.meta'
> > >
> > > > > .MAKE.LEVEL='5'
> > > > > MAKEFILE=''
> > > > > .MAKE.MODE='meta missing-filemon=yes missing-meta=yes silent=yes
> > > verbose'
> > > > > _ERROR_CMD='cp /dev/null zfsboot.ldr;'
> > > > > .CURDIR='/usr/src/stand/i386/zfsboot'
> > > > > .MAKE='make'
> > > > > .OBJDIR='/usr/obj/usr/src/amd64.amd64/stand/i386/zfsboot'
> > > > > .TARGETS='all'
> > > > > DESTDIR='/usr/obj/usr/src/amd64.amd64/tmp'
> > > > > LD_LIBRARY_PATH=''
> > > > > MACHINE='amd64'
> > > > > MACHINE_ARCH='amd64'
> > > > > MAKEOBJDIRPREFIX=''
> > > > > MAKESYSPATH='/usr/src/share/mk'
> > > > > MAKE_VERSION='20200902'
> > > > >
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>
> I still get this error on a couple of boxes, while others seem to
> buildworld
> fine. All boxes are at CURRENT revision 365625. It is a bit looking weird
> to
> me. Running now a make cleanworld/cleandir on the specific boxes and start
> building OS again.
>
> oh
>

I don't know why it's intermittent, but in any case this patch should fix
it:
https://reviews.freebsd.org/D26395
-Alan