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 0F230EB64D9 for ; Mon, 10 Jul 2023 15:18:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232049AbjGJPSl (ORCPT ); Mon, 10 Jul 2023 11:18:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229517AbjGJPSk (ORCPT ); Mon, 10 Jul 2023 11:18:40 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BF85EA7; Mon, 10 Jul 2023 08:18:38 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id 64D4D6732D; Mon, 10 Jul 2023 17:18:35 +0200 (CEST) Date: Mon, 10 Jul 2023 17:18:35 +0200 From: Christoph Hellwig To: Chuck Lever III Cc: Christoph Hellwig , Jens Axboe , "linux-block@vger.kernel.org" , Linux NFS Mailing List , Chuck Lever Subject: Re: NFS workload leaves nfsd threads in D state Message-ID: <20230710151835.GA31726@lst.de> References: <7A57C7AE-A51A-4254-888B-FE15CA21F9E9@oracle.com> <20230710075634.GA30120@lst.de> <3F16A14B-F854-41CC-A3CA-87C7946FC277@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org On Mon, Jul 10, 2023 at 03:10:41PM +0000, Chuck Lever III wrote: > > I have a way to test it on an xfs export backed by a pair of AIC > > NVMe devices. Stand by. > > The issue is not reproducible with PCIe NVMe devices. Thanks. ATA is special because it can't queued flush commands unlike all other problems. I'll see if I can get an ATA test setup and will look into it ASAP.