Re: [OE-core] [PATCH v2 10/15] selftest/cases/runtime_test: Add test for Linux Rust sample

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

On Tue Dec 30, 2025 at 3:15 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 Yoann, Harish,

Thanks for your patch.

It looks like we got a few intermittent failures here:

2026-01-02 19:40:58,816 - oe-selftest - INFO - FAIL: runtime_test.RustKernel.test_kernel_rust_sample (subunit.RemotedTestCase)
2026-01-02 19:40:58,816 - oe-selftest - INFO - ----------------------------------------------------------------------
2026-01-02 19:40:58,816 - 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 514, in test_kernel_rust_sample
    self.assertEqual(status, 1, "Loading rust_out_of_tree module failed!")
  File "/usr/lib/python3.10/unittest/case.py", line 845, in assertEqual
    assertion_func(first, second, msg=msg)
  File "/usr/lib/python3.10/unittest/case.py", line 838, in _baseAssertEqual
    raise self.failureException(msg)
AssertionError: 0 != 1 : Loading rust_out_of_tree module failed!

https://autobuilder.yoctoproject.org/valkyrie/#/builders/23/builds/3082
https://autobuilder.yoctoproject.org/valkyrie/#/builders/23/builds/3095

I only saw two occurrences so far, on at least 10 builds, but maybe you
can check for obvious reasons before the series get merged.

Thanks,
Mathieu

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