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Thu, 02 Sep 2021 11:59:34 -0700 (PDT) Received: from [192.168.1.30] ([207.135.234.126]) by smtp.gmail.com with ESMTPSA id b12sm1417094ios.0.2021.09.02.11.59.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 02 Sep 2021 11:59:34 -0700 (PDT) Subject: Re: slub: BUG: Invalid wait context To: Matthew Wilcox Cc: LKML , Thomas Gleixner , Christoph Lameter , Linux Memory Management List References: <3b7661a1-dbde-ea54-f880-99777c95ae22@kernel.dk> From: Jens Axboe Message-ID: <91af18d0-64cb-71ac-e9f4-4135fe02cb33@kernel.dk> Date: Thu, 2 Sep 2021 12:59:33 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=kernel-dk.20150623.gappssmtp.com header.s=20150623 header.b=g74tZNTc; spf=pass (imf13.hostedemail.com: domain of axboe@kernel.dk designates 209.85.166.173 as permitted sender) smtp.mailfrom=axboe@kernel.dk; dmarc=none X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 0629A1025A86 X-Stat-Signature: 6coikqfpttokj9cykqjz7y95yamc1gki X-HE-Tag: 1630609175-394264 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 9/2/21 12:56 PM, Matthew Wilcox wrote: > 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. Because? -- Jens Axboe