linux-kernel - Re: slub: BUG: Invalid wait context

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Message-ID: <YTEeTK83KNBmuJLC@casper.infradead.org>
Date:   Thu, 2 Sep 2021 19:56:12 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Christoph Lameter <cl@...ux.com>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: slub: BUG: Invalid wait context

On Thu, Sep 02, 2021 at 10:22:23AM -0600, Jens Axboe wrote:
> Hi,
> 
> Booting current -git yields the below splat. I'm assuming this is
> related to the new RT stuff, where spin_lock() can sleep. This obviously
> won't fly off IPI.

You want to turn off PROVE_RAW_LOCK_NESTING for the moment.