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

[Harish Sadineni <Harish.Sadineni@windriver.com>]

[-- Attachment #1: Type: text/plain, Size: 3249 bytes --]


On 2/17/2026 10:31 PM, Mathieu Dubois-Briand 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 Mon Feb 16, 2026 at 4:48 PM CET, Mathieu Dubois-Briand wrote:
>> On Mon Feb 16, 2026 at 2:09 PM CET, Harish Sadineni wrote:
>>> 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.
> I believe I got one:
>
> https://autobuilder.yoctoproject.org/valkyrie/#/builders/23/builds/3346
Hi Yoann,

We performed few build with additional debug logging on autobuilder to 
investigate why the test case was failing.

 From the analysis, we observed that the failure occurs because 
*qemu.run_serial("modprobe rust_minimal") *intermittently returns status 
as *0*.
This causes the assertion to fail, even though the module is actually 
loading successfully via modprobe.

To address this instability, we are removing**the assertion that depends 
on the return status of*qemu.run_serial("modprobe rust_minimal")*.
Instead, we will rely on on the existing*dmesg *validation to confirm 
whether the module has been successfully loaded.

The build with debug logging can be found at the following link: 
https://autobuilder.yoctoproject.org/valkyrie/#/builders/23/builds/3432/steps/15/logs/stdio
The relevant debug information is visible around lines 1202–1204.

Thanks,
Harish
>
> I backed up the build folder, it should stay there until next Monday.
> (/srv/pokybuild/yocto-worker/oe-selftest-armhost-3346-mathieu-2026-02-17
> on ubuntu2404-vk-arm1)
>
> Please tell me if you need me to extract any build artifact.
>
> Thanks,
> Mathieu
>
> --
> Mathieu Dubois-Briand, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com
>

[-- Attachment #2: Type: text/html, Size: 5262 bytes --]