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From:   Greentime Hu <green.hu@gmail.com>
Date:   Fri, 6 Dec 2019 16:38:15 +0800
Message-ID: <CAEbi=3cojt1shc84zH3tGtxK98rQ=PbGhkirWCe7C+JSj5jpFw@mail.gmail.com>
Subject: Re: drivers/scsi/.tmp_mc_st.s:3: Error: invalid operands (*UND* and
 *UND* sections) for `^'
To:     Arnd Bergmann <arnd@arndb.de>, Nickhu <nickhu@andestech.com>
Cc:     kbuild test robot <lkp@intel.com>, kbuild-all@lists.01.org,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Vincent Chen <deanbo422@gmail.com>
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Sender: linux-kernel-owner@vger.kernel.org
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Greentime Hu <green.hu@gmail.com> =E6=96=BC 2019=E5=B9=B412=E6=9C=886=E6=97=
=A5 =E9=80=B1=E4=BA=94 =E4=B8=8B=E5=8D=884:19=E5=AF=AB=E9=81=93=EF=BC=9A
>
> Arnd Bergmann <arnd@arndb.de> =E6=96=BC 2019=E5=B9=B412=E6=9C=886=E6=97=
=A5 =E9=80=B1=E4=BA=94 =E4=B8=8B=E5=8D=884:00=E5=AF=AB=E9=81=93=EF=BC=9A
> >
> > On Fri, Dec 6, 2019 at 2:05 AM kbuild test robot <lkp@intel.com> wrote:
> > >
> > > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linu=
x.git master
> > > head:   2f13437b8917627119d163d62f73e7a78a92303a
> > > commit: 1207045da5a7c94344e0ea9a9e7495985eef499a compat_ioctl: move t=
ape handling into drivers
> > > date:   6 weeks ago
> > > config: nds32-allyesconfig (attached as .config)
> > > compiler: nds32le-linux-gcc (GCC) 9.2.0
> > > reproduce:
> > >         wget https://raw.githubusercontent.com/intel/lkp-tests/master=
/sbin/make.cross -O ~/bin/make.cross
> > >         chmod +x ~/bin/make.cross
> > >         git checkout 1207045da5a7c94344e0ea9a9e7495985eef499a
> > >         # save the attached .config to linux build tree
> > >         GCC_VERSION=3D9.2.0 make.cross ARCH=3Dnds32
> > >
> > > If you fix the issue, kindly add following tag
> > > Reported-by: kbuild test robot <lkp@intel.com>
> > >
> > > All errors (new ones prefixed by >>):
> > >
> > >    drivers/scsi/.tmp_mc_st.s: Assembler messages:
> > > >> drivers/scsi/.tmp_mc_st.s:3: Error: invalid operands (*UND* and *U=
ND* sections) for `^'
> > >    drivers/scsi/.tmp_mc_st.s:4: Error: invalid operands (*UND* and *U=
ND* sections) for `^'
> > >    drivers/scsi/.tmp_mc_st.s:5: Error: invalid operands (*UND* and *U=
ND* sections) for `^'
> > >    drivers/scsi/.tmp_mc_st.s:6: Error: invalid operands (*UND* and *U=
ND* sections) for `^'
> > >    drivers/scsi/.tmp_mc_st.s:7: Error: invalid operands (*UND* and *U=
ND* sections) for `^'
> > >    drivers/scsi/.tmp_mc_st.s:8: Error: invalid operands (*UND* and *U=
ND* sections) for `^'
> > >    drivers/scsi/.tmp_mc_st.s:9: Error: invalid operands (*UND* and *U=
ND* sections) for `^'
> >
> > Adding nds32 maintainers to Cc:
> >
> > It looks like a regression caused by my patch, but I don't think it's s=
omething
> > I did wrong, but rather a toolchain bug being uncovered by the modified=
 sources.
> >
> > Are you able to reproduce this?
>
> Hi Arnd,
>
> I am trying to reproduce this problem, but it happened to me.
>
> greentimeh@gamma07:/scratch/greentimeh/nds32/linux <(1207045da5a7...)>
> $ GCC_VERSION=3D9.2.0 make.cross ARCH=3Dnds32
> cd: received redirection to `https://download.01.org/0day-ci/cross-packag=
e/'
> Cannot find nds32-linux under
> https://download.01.org/0day-ci/cross-package check
> /tmp/crosstool-files
>
> Can you reproduce it?

I can reproduce it now by adding these 2 lines to make.cross.
177                 nds32)
178                         gcc_arch=3Dnds32le-linux

It will be built failed with gcc-9.2.0-nolibc toolchain, but it can be
built pass with gcc-8.1.0-nolibc toolchain.