linux-kernel - Re: FAILED: load BTF from vmlinux: No such file or directory

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Date:   Fri, 4 Nov 2022 16:23:01 +0800
From:   "Chen, Rong A" <rong.a.chen@...el.com>
To:     Mark Brown <broonie@...nel.org>, kernel test robot <lkp@...el.com>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: FAILED: load BTF from vmlinux: No such file or directory



On 11/3/2022 5:34 AM, Mark Brown wrote:
> On Thu, Nov 03, 2022 at 05:27:38AM +0800, kernel test robot wrote:
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head:   8e5423e991e8cd0988d0c4a3f4ac4ca1af7d148a
>> commit: 4e8ff35878685291978b93543d6b9e9290be770a ASoC: codecs: tlv320adc3xxx: Wrap adc3xxx_i2c_remove() in __exit_p()
>> date:   2 weeks ago
>> config: arc-buildonly-randconfig-r004-20221103
>> compiler: arceb-elf-gcc (GCC) 12.1.0
> 
> ...
> 
>> All errors (new ones prefixed by >>):
>>
>>     Complex, interval and imaginary float types are not supported
>>     Encountered error while encoding BTF.
>>>> FAILED: load BTF from vmlinux: No such file or directory
> 
> This looks very much like a false positive, it is difficult to
> understand how a change such as the one identified could trigger such an
> issue.
> 

Hi Mark,

Sorry for the noise, it's a false positive, the commit here fixed a 
error and let the build process continuing which let the bot thought
the new error is from this commit.

Best Regards,
Rong Chen