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

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Date:   Thu, 5 Aug 2021 18:28:26 +0800
From:   "Chen, Rong A" <rong.a.chen@...el.com>
To:     Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>,
        Feng Tang <feng.tang@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>
Subject: Re: [kbuild-all] Re: make[2]: *** [arch/powerpc/Makefile.postlink:31:
 vmlinux] Error 1



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@...el.com>
>>
>> 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.