From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E9BB1C433F5 for ; Thu, 2 Sep 2021 18:59:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C421861104 for ; Thu, 2 Sep 2021 18:59:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243535AbhIBTAj (ORCPT ); Thu, 2 Sep 2021 15:00:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55248 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239024AbhIBTAe (ORCPT ); Thu, 2 Sep 2021 15:00:34 -0400 Received: from mail-il1-x12b.google.com (mail-il1-x12b.google.com [IPv6:2607:f8b0:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9ECB6C061575 for ; Thu, 2 Sep 2021 11:59:35 -0700 (PDT) Received: by mail-il1-x12b.google.com with SMTP id j15so2896112ila.1 for ; Thu, 02 Sep 2021 11:59:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=Xsi+0cTgKaznOMOYa7ndIBDlIfhPFj246cgZs1bGknU=; b=g74tZNTcjI6g5SvV2FnS3hsfdhAv3wxUzHslFQDDOAchPn9oQHwAkTfKoC5TTIUXHa sOE2BjWyplSHj9taTWXWCuuqO3jzBDOkwbPNAu6BNXDYpMNxvc4XNAoSg2VYdd6yccQW PryF4xOMnvoPI5FTlZvrH+Oho8EpC7kxlcRk9vtB7XrNpvI+xuWiCug0g7KErMQV/OMu sksSq5tJuNvNrLy4TU83s7a2/FgKvhrl/4kw2GRUhQf5bP+GUVvTDyhoFHFfzl6w3Tmz NJ12a++8jgiKobd7QJgRt6tHA3iuzeOPsLwwIaZ21qeY6DCBXz0UPvTKRCRm71p7+S/v 6uLA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=Xsi+0cTgKaznOMOYa7ndIBDlIfhPFj246cgZs1bGknU=; b=hlkWTOVg1Ce5BRehmJXDVQHbvyCQ1cR5BaKna0IKCvjpoVFDjwiR6jAywbHzNMqCiI RNrat71YH4G/T2Qe6pxi8GJ0OT1aviDuVARkrOBvg3nIXfeIbHzNuh2orPiLt90tgJUC Mh53PtscA5rlzC7NFuL52qlJ5wT5enTXbhmxuud7lXdZJJU/NAu1MdJXLxGB1aBEK6wB E9qUjRfCaGD018QWv7TA8I5WH9W54Q8SjL3KwyylgJAdD/+v+oZXCzzZpsRPOWqLlz+I iWlHXdE8Yak0pqkc9ZWBCUuxaNTXLxniRAimP4fRbeVI+gJWM0OPmxD3tWICoBEAeUIx 3oyw== X-Gm-Message-State: AOAM533YeoZ4fdseR4oJms5IhW/dKJVx5F+yAj/SzurTwzCjFFWB+c8l W2b19MYrUvPMEeDR5/2UZ9IUnuMG3aHTHg== X-Google-Smtp-Source: ABdhPJxtVDDqsMy6b72TGsV8ri2gqDOIuiOEylcLBNzndH8SXIshTYO7hqOtxZEuHk8bBGWBCq+IqQ== X-Received: by 2002:a92:7b0c:: with SMTP id w12mr3458035ilc.307.1630609174837; 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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