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 A4BACC54EE9 for ; Fri, 2 Sep 2022 16:53:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236612AbiIBQxh (ORCPT ); Fri, 2 Sep 2022 12:53:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33418 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236265AbiIBQxe (ORCPT ); Fri, 2 Sep 2022 12:53:34 -0400 Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B8F0C109520; Fri, 2 Sep 2022 09:53:33 -0700 (PDT) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 1A4575C0098; Fri, 2 Sep 2022 12:53:33 -0400 (EDT) Received: from imap50 ([10.202.2.100]) by compute3.internal (MEProxy); Fri, 02 Sep 2022 12:53:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= colorremedies.com; h=cc:cc:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm2; t=1662137613; x= 1662224013; bh=6qA7lebsNoe0qaVBnLzE2yT/XJd2sQGK0XBPJNKv/Yw=; b=R xVZNXHhzt0puvbLyE74kkQojDQ6606NuOmpXNUfDcAuYJXojglnpBsoqvR+EF5JY TD8R9hLB54s1Iu0F4tSFJkUPoPwul1TBCN7g2Bvci5K5w2ryMnR+ZXPA7MHnLD1p SnSHvY67/nQ7HTEc4jqnbIFb2IZ1AtMJ/CUzWeDJJVFcM0kKwsrSZB6u+tIMI0W+ WEGvofwCAUMuBEvpix4emT/2Ay3f22iZ4NaMCFXnM7dYmRi4o1AqhTQghdOBodvz 91YIEDXrU1sHxWFnBYU2PdPnWrMFwiovVz6vlVLfRIC4s4zartQgoWh43OPSB9Vb sEYIA49IY2/fVyZP1v9yQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:date:date:feedback-id :feedback-id:from:from:in-reply-to:in-reply-to:message-id :mime-version:references:reply-to:sender:subject:subject:to:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; t=1662137613; x=1662224013; bh=6qA7lebsNoe0qaVBnLzE2yT/XJd2 sQGK0XBPJNKv/Yw=; b=y/v5sBx1o5vTLrrrv61Gjsn2XKPMwdezDpEhws2B3kNh WAtiRUOb94sJ+78+igrFGQwEtVnn0bOn+OQ09cucpEikR+xBtE7UHesz3RQgunv3 QFbfZ6Q7ccpHhON/qwkjyTf6kia3SohZg8y8zaNbpZuyVBomkIvGETnuQiWBxTtf DmuFw+LsGfkKNVkwBLAhvzJNLaWTcUSsBVVZo6TPTUvzp2LzIo8FJA4xLpFGxhud OSzYr3mCNnfPp4WNl+Rtr6Q+H0rRbv9nwl3WaDr9U/HQhRfm9SXMBKA7h1IvqS4m AxlcJme9w2vSaZ62TkoIXpjBKqLoBIMYVgAg5rO14g== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrvdeltddguddtkecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpefofgggkfgjfhffhffvvefutgesthdtredtreertdenucfhrhhomhepfdev hhhrihhsucfouhhrphhhhidfuceolhhishhtshestgholhhorhhrvghmvgguihgvshdrtg homheqnecuggftrfgrthhtvghrnhepgfdvueektdefgfefgfdtleffvdeileetgfefuddt ffelueeiveeiveekhedtheeunecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpe hmrghilhhfrhhomheplhhishhtshestgholhhorhhrvghmvgguihgvshdrtghomh X-ME-Proxy: Feedback-ID: i06494636:Fastmail Received: by mailuser.nyi.internal (Postfix, from userid 501) id F3EE41700082; Fri, 2 Sep 2022 12:53:31 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.7.0-alpha0-841-g7899e99a45-fm-20220811.002-g7899e99a Mime-Version: 1.0 Message-Id: In-Reply-To: <297cbb87-87aa-2e1d-1fc3-8e96c241f28f@huaweicloud.com> References: <35f0d608-7448-4276-8922-19a23d8f9049@www.fastmail.com> <568465de-5c3b-4d94-a74b-5b83ce2f942f@www.fastmail.com> <9f2f608a-cd5f-4736-9e6d-07ccc2eca12c@www.fastmail.com> <5426d0f9-6539-477d-8feb-2b49136b960f@www.fastmail.com> <0f731b0a-fbd5-4e7b-a3df-0ed63360c1e0@www.fastmail.com> <297cbb87-87aa-2e1d-1fc3-8e96c241f28f@huaweicloud.com> Date: Fri, 02 Sep 2022 12:53:10 -0400 From: "Chris Murphy" To: "Yu Kuai" , "Ming Lei" , "Jan Kara" Cc: "Nikolay Borisov" , "Jens Axboe" , "Paolo Valente" , "Btrfs BTRFS" , Linux-RAID , linux-block , linux-kernel , "Josef Bacik" , "yukuai (C)" Subject: Re: stalling IO regression since linux 5.12, through 5.18 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 1, 2022, at 3:02 AM, Yu Kuai wrote: > Hi, Chris >> Also follows another patch merged to v5.18 and it fixes io stall too, feel free to test it: >> >> 8f5fea65b06d blk-mq: avoid extending delays of active hctx from blk_mq_delay_run_hw_queues > > Have you tried this patch? The problem happens on 5.18 series kernels. But takes longer. Once I regain access to this setup, I can try to reproduce on 5.18 and 5.19, and provide block debugfs logs. -- Chris Murphy