linux-kernel - Re: de8f5e4f2d ("lockdep: Introduce wait-type checks"): [ 17.344674] EIP: default

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Message-ID: <87h7y2ns2j.fsf@nanos.tec.linutronix.de>
Date:   Thu, 02 Apr 2020 11:40:52 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     kernel test robot <lkp@...el.com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        linux-kernel@...r.kernel.org, rcu@...r.kernel.org,
        LKP <lkp@...ts.01.org>
Subject: Re: de8f5e4f2d ("lockdep: Introduce wait-type checks"): [   17.344674] EIP: default_idle

kernel test robot <lkp@...el.com> writes:
> Greetings,
>
> 0day kernel testing robot got the below dmesg and the first bad commit is
>
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>
> commit de8f5e4f2dc1f032b46afda0a78cab5456974f89
> Author:     Peter Zijlstra <peterz@...radead.org>
> AuthorDate: Sat Mar 21 12:26:01 2020 +0100
> Commit:     Peter Zijlstra <peterz@...radead.org>
> CommitDate: Sat Mar 21 16:00:24 2020 +0100
>
>     lockdep: Introduce wait-type checks

Can you please avoid enabling

> CONFIG_PROVE_RAW_LOCK_NESTING=y

for now?

As the changelog states, there are known issues and that's why the
config is default=n.

Thanks,

        tglx