Re: [PATCH 0/3] rv/reactors: fix lockdep warning and add KUnit tests
From: Nam Cao
Date: Wed Jun 17 2026 - 11:58:52 EST
Gabriele Monaco <gmonaco@xxxxxxxxxx> writes:
> Are those tests supposed to trigger this issue though? Under what
> configuration?
>
> I reverted the lockdep fix and run the tests in vng on both x86_64 and
> arm64, both preempt_rt and not but I see no splat.
> Repeating the tests multiple times from debugfs also didn't seem to
> help. Both machines were relatively large (128 and 48 CPUs).
>
> The config was the bare vng one with kunit built-in, lockdep and the
> reactors tests.
>
> What am I missing?
I haven't tried to reproduce it, but seems quite rare. From the look of
it, adding some delay into the reactor function should make the issue
more easily reproducible.
Nam