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

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Message-ID: <75dd6e6b-745d-23be-6d3d-1984b1f7f47d@intel.com>
Date:   Fri, 3 Apr 2020 14:52:58 +0800
From:   Rong Chen <rong.a.chen@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        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: [LKP] Re: de8f5e4f2d ("lockdep: Introduce wait-type checks"): [
 17.344674] EIP: default_idle



On 4/2/20 5:40 PM, Thomas Gleixner wrote:
> 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.

Hi Thomas,

Thanks for the advice, we have disabled CONFIG_PROVE_RAW_LOCK_NESTING.

Best Regards,
Rong Chen