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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B5D4FC4332F for ; Fri, 3 Dec 2021 13:41:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1381210AbhLCNo5 convert rfc822-to-8bit (ORCPT ); Fri, 3 Dec 2021 08:44:57 -0500 Received: from relay1-d.mail.gandi.net ([217.70.183.193]:32895 "EHLO relay1-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1381211AbhLCNow (ORCPT ); Fri, 3 Dec 2021 08:44:52 -0500 Received: (Authenticated sender: miquel.raynal@bootlin.com) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 4F7CC240011; Fri, 3 Dec 2021 13:41:24 +0000 (UTC) Date: Fri, 3 Dec 2021 14:41:23 +0100 From: Miquel Raynal To: Boris Brezillon Cc: Anders Roxell , Christoph Hellwig , Jens Axboe , sean@geanix.com, Geert Uytterhoeven , Linux-Next Mailing List , linux-mtd@lists.infradead.org, open list , Linux ARM , Arnd Bergmann , Stephen Rothwell , Richard Weinberger , Vignesh Raghavendra , Boris Brezillon , Daniel =?UTF-8?B?RMOtYXo=?= , Naresh Kamboju , linux-block Subject: Re: [next] WARNING: CPU: 2 PID: 66 at kernel/locking/rwsem.c:1298 __up_read Message-ID: <20211203144123.16c49eb4@xps13> In-Reply-To: <20211202141958.638f224b@collabora.com> References: <20211202141958.638f224b@collabora.com> Organization: Bootlin X-Mailer: Claws Mail 3.17.7 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hello, boris.brezillon@collabora.com wrote on Thu, 2 Dec 2021 14:19:58 +0100: > On Thu, 2 Dec 2021 13:28:46 +0100 > Anders Roxell wrote: > > > On Tue, 30 Nov 2021 at 18:01, Naresh Kamboju wrote: > > > > > > [Please ignore this email if it is already reported] > > > > > > Regression found on qemu_arm64. > > > Following kernel warnings reported on Linux next-20211130 while booting. > > > > I bisected down to 1ebe2e5f9d68 ("block: remove GENHD_FL_EXT_DEVT") > > > > and when I reverted 1ebe2e5f9d68 ("block: remove GENHD_FL_EXT_DEVT") and the > > 3 releated patches so patch 1ebe2e5f9d68 was reverted cleanly I > > managed to boot without > > a warning. > > > > Related patches from next-20211130: > > 9f18db572c97 ("block: don't set GENHD_FL_NO_PART for hidden gendisks") > > 430cc5d3ab4d ("block: cleanup the GENHD_FL_* definitions") > > a4561f9fccc5 ("sr: set GENHD_FL_REMOVABLE earlier") > > > > With this said, if I revert 9d6abd489e70 ("mtd: core: protect access > > to MTD devices while in suspend") > > I didn't see the warning either. > > I think 9d6abd489e70 ("mtd: core: protect access to MTD devices while > in suspend") is at fault here. Miquel, would you mind > reverting/dropping the "mtd: core: protect access to mtd devices while > in suspend" series? FYI I've just dropped the entire series. The change will probably be effective in linux-next starting from next Monday. > > > > > Any idea what can be wrong here or what a fix could be? > > > > Only apply this patch from Geert > > https://lore.kernel.org/lkml/c26dfdf9ce56e92d23530a09db386b283e62845d.1638289204.git.geert+renesas@glider.be/ > > makes the warning go away too. > > > > Cheers, > > Anders > Thanks, Miquèl 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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 19649C433F5 for ; Fri, 3 Dec 2021 13:42:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Fri, 03 Dec 2021 13:41:38 +0000 Received: from relay1-d.mail.gandi.net ([217.70.183.193]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mt8ob-00G0hX-Fd; Fri, 03 Dec 2021 13:41:31 +0000 Received: (Authenticated sender: miquel.raynal@bootlin.com) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 4F7CC240011; Fri, 3 Dec 2021 13:41:24 +0000 (UTC) Date: Fri, 3 Dec 2021 14:41:23 +0100 From: Miquel Raynal To: Boris Brezillon Cc: Anders Roxell , Christoph Hellwig , Jens Axboe , sean@geanix.com, Geert Uytterhoeven , Linux-Next Mailing List , linux-mtd@lists.infradead.org, open list , Linux ARM , Arnd Bergmann , Stephen Rothwell , Richard Weinberger , Vignesh Raghavendra , Boris Brezillon , Daniel =?UTF-8?B?RMOtYXo=?= , Naresh Kamboju , linux-block Subject: Re: [next] WARNING: CPU: 2 PID: 66 at kernel/locking/rwsem.c:1298 __up_read Message-ID: <20211203144123.16c49eb4@xps13> In-Reply-To: <20211202141958.638f224b@collabora.com> References: <20211202141958.638f224b@collabora.com> Organization: Bootlin X-Mailer: Claws Mail 3.17.7 (GTK+ 2.24.32; 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