Re: [BUG v6.0-rc2] lockdep splat on ct_kernel_enter()

From: Steven Rostedt
Date: Mon Aug 22 2022 - 20:49:09 EST


On Mon, 22 Aug 2022 18:38:36 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> > The warning happens with the commit, and does not for the commit just
> > before it is applied.
> >
>
> Nevermind, I tested the wrong kernel (the grub reboot failed to boot to the
> new kernel). But it did give me a different lockdep splat when I tested the
> right kernel :-/
>
> I'll investigate some more.

I was close. It was this commit:

ed4ae5eff4b3 ("rcu: Apply noinstr to rcu_idle_enter() and rcu_idle_exit()")

that causes the new error message.

-- Steve