Re: [OE-core] [PATCH v6 09/14] selftest/cases/runtime_test: Add test for Linux Rust sample

["Mathieu Dubois-Briand" <mathieu.dubois-briand@bootlin.com>]

On Mon Feb 16, 2026 at 2:09 PM CET, Harish Sadineni wrote:
>
> On 2/15/2026 10:31 PM, Yoann Congal wrote:
>> CAUTION: This email comes from a non Wind River email account!
>> Do not click links or open attachments unless you recognize the sender and know the content is safe.
>>
>> On Sun Feb 15, 2026 at 2:40 PM CET, Mathieu Dubois-Briand wrote:
>>> On Thu Feb 12, 2026 at 7:10 PM CET, Harish via lists.openembedded.org Sadineni wrote:
>>>> From: Yoann Congal<yoann.congal@smile.fr>
>>>>
>>>> This new case tests that the rust_mininal sample inside the kernel source
>>>> tree is buildable and works properly: check that the module can be
>>>> loaded and that it prints correctly.
>>>>
>>>> Signed-off-by: Yoann Congal<yoann.congal@smile.fr>
>>>> Signed-off-by: Harish Sadineni<Harish.Sadineni@windriver.com>
>>>> ---
>>> Hi Harish, Yoann,
>>>
>>> It looks like this test is still a bit intermittent:
>>>
>>> 2026-02-15 09:27:44,140 - oe-selftest - INFO - runtime_test.RustKernel.test_kernel_rust_sample (subunit.RemotedTestCase)
>>> 2026-02-15 09:27:44,142 - oe-selftest - INFO -  ... FAIL
>>> ...
>>> 2026-02-15 09:27:44,142 - oe-selftest - INFO - 11: 13/57 404/671 (87.99s) (0 failed) (runtime_test.RustKernel.test_kernel_rust_sample)
>>> 2026-02-15 09:27:44,142 - oe-selftest - INFO - testtools.testresult.real._StringException: Traceback (most recent call last):
>>>    File "/srv/pokybuild/yocto-worker/oe-selftest-armhost/build/layers/openembedded-core/meta/lib/oeqa/selftest/cases/runtime_test.py", line 506, in test_kernel_rust_sample
>>>      self.assertEqual(status, 1, "Loading rust_minimal module failed!")
>>>      ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>    File "/usr/lib/python3.13/unittest/case.py", line 907, in assertEqual
>>>      assertion_func(first, second, msg=msg)
>>>      ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
>>>    File "/usr/lib/python3.13/unittest/case.py", line 900, in _baseAssertEqual
>>>      raise self.failureException(msg)
>>> AssertionError: 0 != 1 : Loading rust_minimal module failed!
>>>
>>> https://autobuilder.yoctoproject.org/valkyrie/#/builders/23/builds/3319
>> This is oe-selftest-armhost on ubuntu2504-vk-arm1.
> Hi Yoann, Mathieu,
>
> I tried few builds locally, but not able to reproduce this.
>
> On the autobuilder, We ran following builds which were completed 
> successfully on ubuntu2504-vk-arm1:
> https://autobuilder.yoctoproject.org/valkyrie/#/builders/23/builds/3326
> https://autobuilder.yoctoproject.org/valkyrie/#/builders/23/builds/3331
>
> Additionally, One of Mathieu's build also ran successfully on 
> oe-selftest-armhost ubuntu2504-vk-arm1:
> https://autobuilder.yoctoproject.org/valkyrie/#/builders/23/builds/3323
> <https://autobuilder.yoctoproject.org/valkyrie/#/builders/23/builds/3323>
>  From what I can see, build 3319 
> <https://autobuilder.yoctoproject.org/valkyrie/#/builders/23/builds/3319>was 
> triggered from a-full/3219 
> <https://autobuilder.yoctoproject.org/valkyrie/#/builders/29/builds/3219>:
> However, when checking a-full/3219, it triggered build 3317 
> <https://autobuilder.yoctoproject.org/valkyrie/#/builders/23/builds/3317>, 
> where the rust kernel selftest passed.
>
> I can see few other builds were successful on oe-selftest-armhost with 
> this patch series. I’m not sure why the failure occurred in this case.
> Mathieu, could you please try running a few additional builds to see if 
> it reproduces?
>
> Thanks,
> Harish

Sure, I will launch a few builds and see how it goes.

AB maintenance will begin soon, so I will start either later today or
tomorrow morning.

-- 
Mathieu Dubois-Briand, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com