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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 8E95FC433F5 for ; Thu, 2 Sep 2021 18:58:59 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 05E1061104 for ; Thu, 2 Sep 2021 18:58:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 05E1061104 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 80BA88D0001; Thu, 2 Sep 2021 14:58:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7BB5B6B0072; Thu, 2 Sep 2021 14:58:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6A9E88D0001; Thu, 2 Sep 2021 14:58:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0247.hostedemail.com [216.40.44.247]) by kanga.kvack.org (Postfix) with ESMTP id 5B46A6B0071 for ; Thu, 2 Sep 2021 14:58:58 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 1885282CCC2E for ; Thu, 2 Sep 2021 18:58:58 +0000 (UTC) X-FDA: 78543545556.22.4AE29CD Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf16.hostedemail.com (Postfix) with ESMTP id 81E22F000090 for ; Thu, 2 Sep 2021 18:58:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=mEWxwozPp98XvUMfIR/xO8RlM5RAnk1dZj5xJ5vpaHw=; b=mspsIZXn1cKDmDNtLwqIda6upd KJx9BQBMxZXtu01JyTlN8Z+pmNjWJyEP/bw6rCJraCsGDz5rTSaDo1c90lTtrmJLmCje8yNL2QlNd vH/oNX3zL6dOfuh9B/20IWOP8G3Rmmpsv+/Ac9YSY13TPR117vHFt17HGK15GXrogx/llddHgdw0H Y6XT9NRx7AyEuXb0Iq3YkMZ1x5QJwzMPJfVFbgf36g1qCQ1YES4H9IPyQSZLf4gGDBtqeRAjsjwxM +WkfUCpmCKCzokxBQNqZnh5CR5uomGZTBim5aGBCAcjpl08GSJQ7HvnzRAVLrGZcezG0+WamV4aAf v49pRZgQ==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mLrsi-003kTE-I9; Thu, 02 Sep 2021 18:57:04 +0000 Date: Thu, 2 Sep 2021 19:56:12 +0100 From: Matthew Wilcox To: Jens Axboe Cc: LKML , Thomas Gleixner , Christoph Lameter , Linux Memory Management List Subject: Re: slub: BUG: Invalid wait context Message-ID: References: <3b7661a1-dbde-ea54-f880-99777c95ae22@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3b7661a1-dbde-ea54-f880-99777c95ae22@kernel.dk> Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=mspsIZXn; spf=none (imf16.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org; dmarc=none X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 81E22F000090 X-Stat-Signature: wzw7u9izskto3yjqddcgpidhmsr5eefa X-HE-Tag: 1630609137-155691 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 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.