Re: [linux-next:master 8211/10629] clang-11: error: assembler command failed with exit code 1 (use -v to see invocation)

[Philip Li <philip.li@intel.com>]

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On Mon, Mar 23, 2020 at 03:09:43PM -0700, Nick Desaulniers wrote:
> DTC folks to bcc
> 
> On Fri, Mar 20, 2020 at 5:58 PM Philip Li <philip.li@intel.com> wrote:
> >
> > On Fri, Mar 20, 2020 at 05:30:45PM -0700, Nick Desaulniers wrote:
> > > Known issue, please ignore: https://github.com/ClangBuiltLinux/linux/issues/675
> > thanks for info, 0-day ci will blacklist this error.
> 
> I'd rather not blacklist it.  So it looks like we don't see this in
> our CI (example:
> https://travis-ci.com/github/ClangBuiltLinux/continuous-integration/jobs/301119543).
> It seems related to which config you compile with.  With the attached
> config, I was not able to reproduce:
> 
> $ gunzip config.gz
> $ cp config .config
> $ ARCH=powerpc CROSS_COMPILE=powerpc-linux-gnu- make CC=clang -j71
> olddefconfig # note this shouldn't be needed
> $ ARCH=powerpc CROSS_COMPILE=powerpc-linux-gnu- make CC=clang -j71
> scripts/mod/empty.o
> 
> Doesn't produce anything, no error from make about being an invalid
> target, but also no -mpower4 warning.  I also don't understand why the
> provided config doesn't set or unset many configs in linux-next.
> 
> Can you please triple check? I want to make sure the steps to
> reproduce are reproducible.
got it, we will check this to see what is wrong.

> 
> >
> > >
> > > On Fri, Mar 20, 2020 at 5:16 PM kbuild test robot <lkp@intel.com> wrote:
> > > >
> > > > Hi Dirk,
> > > >
> > > > FYI, the error/warning still remains.
> > > >
> > > > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> > > > head:   d8f289c16fbb72e17b783175c1fb0942816264fd
> > > > commit: 35595372d95c0d10784bce1aec8cc144a39eb66d [8211/10629] Remove redundant YYLOC global declaration
> > > > config: powerpc-defconfig (attached as .config)
> 
> 'powerpc-defconfig' doesn't seem to be a named config.  Seems I must
> use the attachment?
> 
> > > > compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 1993f95f2b1eb2d8da7f1a01e977d8fe06314bcf)
> > > > reproduce:
> > > >         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> > > >         chmod +x ~/bin/make.cross
> > > >         git checkout 35595372d95c0d10784bce1aec8cc144a39eb66d
> > > >         # save the attached .config to linux build tree
> > > >         COMPILER=clang make.cross ARCH=powerpc
> 
> Hi Philip, I tried the above commands to reproduce, but I see:
> 
> $ COMPILER=clang make.cross ARCH=powerpc
> E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13:
> Permission denied)
> E: Unable to acquire the dpkg frontend lock
> (/var/lib/dpkg/lock-frontend), are you root?
> cross tool binutils-powerpc-linux-gnu install failed
> Please ensure powerpc cross tools has been installed.
> Please install: xz-utils lftp
> Install clang compiler failed
> setup_crosstool failed
> $ sudo apt install binutils-powerpc-linux-gnu
> binutils-powerpc-linux-gnu is already the newest version (2.33.1-2).
> 
> Should install_cross_packages() check for these first, instead of
> always trying to install them?
> 
> > > >
> > > > If you fix the issue, kindly add following tag
> > > > Reported-by: kbuild test robot <lkp@intel.com>
> > > >
> > > > All errors (new ones prefixed by >>):
> > > >
> > > >    /usr/bin/as: unrecognized option '-mpower4'
> > > > >> clang-11: error: assembler command failed with exit code 1 (use -v to see invocation)
> > > >    make[2]: *** [scripts/Makefile.build:268: scripts/mod/empty.o] Error 1
> > > >    make[2]: Target '__build' not remade because of errors.
> > > >    make[1]: *** [Makefile:1111: prepare0] Error 2
> > > >    make[1]: Target 'prepare' not remade because of errors.
> > > >    make: *** [Makefile:179: sub-make] Error 2
> > > >    34 real  9 user  19 sys  84.67% cpu  make prepare
> > > >
> > > > ---
> > > > 0-DAY CI Kernel Test Service, Intel Corporation
> > > > https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
> > > >
> > > > --
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> > >
> > >
> > >
> > > --
> > > Thanks,
> > > ~Nick Desaulniers
> > > _______________________________________________
> > > kbuild-all mailing list -- kbuild-all(a)lists.01.org
> > > To unsubscribe send an email to kbuild-all-leave(a)lists.01.org
> 
> 
> 
> -- 
> Thanks,
> ~Nick Desaulniers