linux-kernel - Re: [PATCH v3 1/2] modpost: rework and consolidate logging interface

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Date:   Tue, 10 Mar 2020 12:32:00 +0100
From:   Jessica Yu <jeyu@...nel.org>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     Matthias Maennich <maennich@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        lkp@...org
Subject: Re: [PATCH v3 1/2] modpost: rework and consolidate logging interface

+++ Masahiro Yamada [09/03/20 20:03 +0900]:
>On Mon, Mar 9, 2020 at 7:58 PM Jessica Yu <jeyu@...nel.org> wrote:
>>
>> +++ Masahiro Yamada [09/03/20 19:49 +0900]:
>> >On Mon, Mar 9, 2020 at 7:39 PM Jessica Yu <jeyu@...nel.org> wrote:
>> >>
>> >> Ah, sorry, I mean the kbuild 0-day bot errors. I am just realizing
>> >> the 0-day bot emails are not CC'd to lkml. Here is the error I got
>> >> from the bot:
>> >>
>> >> ---
>> >>
>> >> I love your patch! Yet something to improve:
>> >>
>> >> [auto build test ERROR on linus/master]
>> >> [also build test ERROR on v5.6-rc4 next-20200306]
>> >> [if your patch is applied to the wrong git tree, please drop us a note to help
>> >> improve the system. BTW, we also suggest to use '--base' option to specify the
>> >> base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
>> >>
>> >> url:    https://github.com/0day-ci/linux/commits/Jessica-Yu/modpost-rework-and-consolidate-logging-interface/20200307-052346
>> >> base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 30fe0d07fd7b27d41d9b31a224052cc4e910947a
>> >> config: sh-randconfig-a001-20200306 (attached as .config)
>> >> compiler: sh4-linux-gcc (GCC) 7.5.0
>> >> reproduce:
>> >>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>> >>         chmod +x ~/bin/make.cross
>> >>         # save the attached .config to linux build tree
>> >>         GCC_VERSION=7.5.0 make.cross ARCH=sh
>> >>
>> >> If you fix the issue, kindly add following tag
>> >> Reported-by: kbuild test robot <lkp@...el.com>
>> >>
>> >> All errors (new ones prefixed by >>):
>> >>
>> >> >> ERROR: modpost: "adc_single" [arch/sh/boards/mach-hp6xx/hp6xx_apm.ko] undefined!
>> >
>> >
>> >Indeed, this one is odd.
>> >I have no idea...
>>
>> I've pushed the patches to a branch to let the kbuild bot run through its
>> build tests again, and if I have extra time today I will try to
>> reproduce this and let you know the results.
>>
>> Thanks,
>>
>> Jessica
>
>
>Ah, Now I see.
>
>
>Because you added "modpost:" prefix.
>
>
>
>The previous error message:
>
>ERROR: "adc_single" [arch/sh/boards/mach-hp6xx/hp6xx_apm.ko] undefined!
>
>
>The new error message:
>
>ERROR: modpost: "adc_single" [arch/sh/boards/mach-hp6xx/hp6xx_apm.ko] undefined!
>
>
>
>So, the bot assumed it was a new error.

Nice catch! Hm, I suppose we need to let the LKP folks know about the
change in error message. CC'd LKP mailing list.

Jessica