Re: [kbuild-all] Re: make[2]: *** [arch/powerpc/Makefile.postlink:31: vmlinux] Error 1

[Chen, Rong A]

On 8/4/2021 11:10 AM, Randy Dunlap wrote:
> On 7/30/21 1:29 AM, kernel test robot wrote:
> > tree:   
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   764a5bc89b12b82c18ce7ca5d7c1b10dd748a440
> > commit: cf536e185869d4815d506e777bcca6edd9966a6e Makefile: extend 32B 
> > aligned debug option to 64B aligned
> > date:   10 weeks ago
> > config: powerpc64-randconfig-c023-20210730 (attached as .config)
> > compiler: powerpc-linux-gcc (GCC) 10.3.0
> > reproduce (this is a W=1 build):
> >          wget 
> > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross 
> > -O ~/bin/make.cross
> >          chmod +x ~/bin/make.cross
> >          # 
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cf536e185869d4815d506e777bcca6edd9966a6e 
> >
> >          git remote add linus 
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> >          git fetch --no-tags linus master
> >          git checkout cf536e185869d4815d506e777bcca6edd9966a6e
> >          # save the attached .config to linux build tree
> >          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 
> > make.cross ARCH=powerpc64
> >
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> >
> > All errors (new ones prefixed by >>):
> >
> > > > make[2]: *** [arch/powerpc/Makefile.postlink:31: vmlinux] Error 1
> >
> > ---
>
> Hi ktr/lkp,
>
> This is not "All errors". I suggest that you improve your output by
> (also) grepping for "ERROR:", so that the following lines would be
> included here:
>
> ERROR: start_text address is c000000000000200, should be c000000000000100
> ERROR: try to enable LD_HEAD_STUB_CATCH config option
> ERROR: see comments in arch/powerpc/tools/head_check.sh

Hi Randy,

Thanks for the advice, the "ERROR:" lines weren't redirected to stderr, 
so the bot didn't notice them, it looks difficult to change the output.

Best Regards,
Rong Chen

> and yes, enabling LD_HEAD_STUB_CATCH does fix this build error.
>
> thanks.