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 7FE31C32771 for ; Wed, 17 Aug 2022 16:47:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229675AbiHQQrv (ORCPT ); Wed, 17 Aug 2022 12:47:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35342 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234267AbiHQQru (ORCPT ); Wed, 17 Aug 2022 12:47:50 -0400 Received: from new2-smtp.messagingengine.com (new2-smtp.messagingengine.com [66.111.4.224]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 021915E57F; Wed, 17 Aug 2022 09:47:50 -0700 (PDT) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.nyi.internal (Postfix) with ESMTP id 63CFE580DCD; Wed, 17 Aug 2022 12:47:49 -0400 (EDT) Received: from imap50 ([10.202.2.100]) by compute3.internal (MEProxy); Wed, 17 Aug 2022 12:47:49 -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=fm1; t=1660754869; x= 1660758469; bh=e7kbwoZBIRw10cSPvBzfrGXpN7ylcVJroUO/rkVUtcs=; b=W RhtvnStTDxP3KhIK4pUtcUImXsHQyU2D8ITizJByep1+YXzheOXTPrZD5groPqcP hbUyBjZLN8wGheXBsVY7Km3jgIiZ/M59f814yr+5lcZQM8cpzbxS3nYzZS+DosvQ 0jE+DxWYmhj89aa2LrAR95s0dK/GPdgENKyh/Z4hbGqrlq7EMr9I5SnO1NUXm9DW 3OQ4JkHM6vhrzVWtVKLzVf1BVNRWNDSdPv96dgNI4oiiBt7gZ8cIdEcdQzfXh20c 8DK0ecSBSjrn/NbzPa6ZpwT1w/jw6c2wMu79Vk1xb15wjmh8apD5As4+H0Zn46Qp qSj8Nim3wyxUBPMIPFS9w== 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=1660754869; x=1660758469; bh=e7kbwoZBIRw10cSPvBzfrGXpN7yl cVJroUO/rkVUtcs=; b=r5z3tV2FlA4GSpPjG6dhyeNYMQFOIm7qyWpFqy0J17x0 ETY87suOsddfQdzhT6nlZ0GkxoGAkPtMdOlH7KUvesU7K50mPx548B2twDDdrnP5 Q36dn9kYz+HfgsGw8f9+8XsiGSeeMuTmDFt5u61R2HxpgIN04NAgiQqv6824lM/Y 6uv8+lcWvEdZc+LjddQrqNcnfLcu94sUyolwvB6Qxp6o5epZ6AIw+TPigBNiu7iA ClJdLOa8SLSqCuByZuqxgihXEeGWUDiiN5NGebZdpF5RzspsYYmJ0ECcdgmcWJYs 1KAGL4xNGxfIvZxStGFc36vRiPUiRy7e0wYMRBSbjg== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrvdehiedguddthecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpefofgggkfgjfhffhffvvefutgesthdtredtreertdenucfhrhhomhepfdev hhhrihhsucfouhhrphhhhidfuceolhhishhtshestgholhhorhhrvghmvgguihgvshdrtg homheqnecuggftrfgrthhtvghrnhepgfdvueektdefgfefgfdtleffvdeileetgfefuddt ffelueeiveeiveekhedtheeunecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpe hmrghilhhfrhhomheplhhishhtshestgholhhorhhrvghmvgguihgvshdrtghomh X-ME-Proxy: Feedback-ID: i06494636:Fastmail Received: by mailuser.nyi.internal (Postfix, from userid 501) id BFEF51700082; Wed, 17 Aug 2022 12:47:48 -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: <20220817163059.kigrvdfmxfswmhls@quack3> References: <61e5ccda-a527-4fea-9850-91095ffa91c4@www.fastmail.com> <4995baed-c561-421d-ba3e-3a75d6a738a3@www.fastmail.com> <2b8a38fa-f15f-45e8-8caa-61c5f8cd52de@www.fastmail.com> <7c830487-95a6-b008-920b-8bc4a318f10a@applied-asynchrony.com> <20220817114933.66c4g4xjsi4df2tg@quack3> <85a141ae-56a7-4dcd-b75a-04be4b276b3a@www.fastmail.com> <20220817163059.kigrvdfmxfswmhls@quack3> Date: Wed, 17 Aug 2022 12:47:23 -0400 From: "Chris Murphy" To: "Jan Kara" Cc: =?UTF-8?Q?Holger_Hoffst=C3=A4tte?= , "Nikolay Borisov" , "Jens Axboe" , "Paolo Valente" , Linux-RAID , linux-block , linux-kernel , "Josef Bacik" Subject: Re: stalling IO regression since linux 5.12, through 5.18 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Wed, Aug 17, 2022, at 12:30 PM, Jan Kara wrote: > BTW, are you sure the first problematic kernel is 5.12? 100% It consistently reproduces with any 5.12 series kernel, including from c03c21ba6f4e which is before rc1. It's frustrating that git bisect produces kernels that won't boot, I was more than half way through! :D And could have been done by now... We've been running on 5.11 series kernels for a year because of this problem. > BTW that may be an > interesting thing to try: Can you boot with > "megaraid_sas.host_tagset_enable = 0" kernel option and see whether the > issue reproduces? Yep. -- Chris Murphy