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From:   Brendan Higgins <brendanhiggins@google.com>
Date:   Thu, 18 Jun 2020 13:29:46 -0700
Message-ID: <CAFd5g45AB8K-p78GRmauRPbkXLU572D2tuMTc0pumL+EgDA52Q@mail.gmail.com>
Subject: Re: [PATCH] kunit: fix KconfigParseError by ignoring CC_VERSION_TEXT
To:     Vitor Massaru Iha <vitor@massaru.org>
Cc:     KUnit Development <kunit-dev@googlegroups.com>,
        Shuah Khan <skhan@linuxfoundation.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-kernel-mentees@lists.linuxfoundation.org
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On Wed, Jun 17, 2020 at 8:57 PM Vitor Massaru Iha <vitor@massaru.org> wrote:
>
> Commit 8b59cd81dc5 ("kbuild: ensure full rebuild when the compiler
> is updated") added the environment variable CC_VERSION_TEXT,
> parse_from_string() doesn't expect a string and this causes the
> failure below:
>
> [iha@bbking linux]$ tools/testing/kunit/kunit.py run --timeout=60
> [00:20:12] Configuring KUnit Kernel ...
> Generating .config ...
> Traceback (most recent call last):
>   File "tools/testing/kunit/kunit.py", line 347, in <module>
>     main(sys.argv[1:])
>   File "tools/testing/kunit/kunit.py", line 257, in main
>     result = run_tests(linux, request)
>   File "tools/testing/kunit/kunit.py", line 134, in run_tests
>     config_result = config_tests(linux, config_request)
>   File "tools/testing/kunit/kunit.py", line 64, in config_tests
>     success = linux.build_reconfig(request.build_dir, request.make_options)
>   File "/home/iha/lkmp/linux/tools/testing/kunit/kunit_kernel.py", line 161, in build_reconfig
>     return self.build_config(build_dir, make_options)
>   File "/home/iha/lkmp/linux/tools/testing/kunit/kunit_kernel.py", line 145, in build_config
>     return self.validate_config(build_dir)
>   File "/home/iha/lkmp/linux/tools/testing/kunit/kunit_kernel.py", line 124, in validate_config
>     validated_kconfig.read_from_file(kconfig_path)
>   File "/home/iha/lkmp/linux/tools/testing/kunit/kunit_config.py", line 89, in read_from_file
>     self.parse_from_string(f.read())
>   File "/home/iha/lkmp/linux/tools/testing/kunit/kunit_config.py", line 85, in parse_from_string
>     raise KconfigParseError('Failed to parse: ' + line)
> kunit_config.KconfigParseError: Failed to parse: CONFIG_CC_VERSION_TEXT="gcc (GCC) 10.1.1 20200507 (Red Hat 10.1.1-1)"

I am pretty there is already a fix out for this issue:

https://patchwork.kernel.org/patch/11592313/

Can you confirm?