linux-kernel - Re: [REGRESSION] Unexpected section title false positive warnings on DOC: directive

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Message-ID: <863b3969-71eb-4bf1-9e32-895e53d8bf8e@infradead.org>
Date: Wed, 7 Jan 2026 16:21:40 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Bagas Sanjaya <bagasdotme@...il.com>, Jonathan Corbet <corbet@....net>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Linux Documentation <linux-doc@...r.kernel.org>,
 Linux Regressions <regressions@...ts.linux.dev>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: Re: [REGRESSION] Unexpected section title false positive warnings on
 DOC: directive



On 1/7/26 3:46 PM, Bagas Sanjaya wrote:
> On Wed, Jan 07, 2026 at 10:19:32AM -0800, Randy Dunlap wrote:
>>
>>
>> On 1/7/26 5:08 AM, Bagas Sanjaya wrote:
>>> On Tue, Jan 06, 2026 at 02:58:43PM -0700, Jonathan Corbet wrote:
>>>> Bagas Sanjaya <bagasdotme@...il.com> writes:
>>>>
>>>>> Hi,
>>>>>
>>>>> Building htmldocs on docs-next currenly produces about 50 new warnings; which
>>>>> all of them are unexpected section title on DOC: kernel-doc directive, like:
>>>>>
>>>>> /home/bagas/repo/linux-kernel/Documentation/driver-api/target:25: ./drivers/target/target_core_user.c:35: CRITICAL: Unexpected section title.
>>>>>
>>>>> Userspace I/O
>>>>> ------------- [docutils]
>>>>> WARNING: kernel-doc 'scripts/kernel-doc.py -rst -enable-lineno -function 'Userspace I/O' ./drivers/target/target_core_user.c' processing failed with: SystemMessage('/home/bagas/repo/linux-kernel/Documentation/driver-api/target:25: ./drivers/target/target_core_user.c:35: (SEVERE/4) Unexpected section title.\n\nUserspace I/O\n-------------')
>>>>> /home/bagas/repo/linux-kernel/Documentation/driver-api/target:28: ./include/uapi/linux/target_core_user.h:14: CRITICAL: Unexpected section title.
>>>>
>>>> So I did not, and do not, see any of these errors; are you doing
>>>> something special to get them?
>>>
>>> Nope.
>>>
>>> I'm running my htmldocs builds on my Arch Linux system (with Sphinx 9.0.4 and
>>> Python 3.13.11).
>>>
>>> Full log (tarred up) attached.
>>>
>>> Thanks.
>>
>> Hi,
>> What docutils version, please?
> 
> Mine have:
> 
> docutils (Docutils 0.21.2, Python 3.13.11, on linux)

I'm using docutils-3.13 (Docutils 0.22.3, Python 3.13.11, on linux)
and I don't see these warnings.
Maybe it's something that has been fixed between 0.21.2 and 0.22.3... ?

-- 
~Randy