Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp966337pxb; Sun, 21 Feb 2021 06:42:09 -0800 (PST) X-Google-Smtp-Source: ABdhPJzzRUi06PYeK/WJrncQcacPaU+zDwuKXiJmBmec035KQztXL7NQjUzzRvFNJKbJr0mM07b8 X-Received: by 2002:a05:6402:293:: with SMTP id l19mr18598549edv.4.1613918529750; Sun, 21 Feb 2021 06:42:09 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1613918529; cv=none; d=google.com; s=arc-20160816; b=RYKOuCsJZmr6pmIObU7M/VVLxQ8NZYGTqFrA+e9yHsASkUXSWSmXaYNT/j/xZ+LDBy +g/jiKd3J4OfHFFYJ1sdG4u+khZmLJm21aNPUHGUO1P5vUnibkZBbHxwVYDsz9C8EkH5 iwj0euKDhfL6INH6jJ2ReOuojHVa9QFwV4OM5ZC68wB7PStSl1LNUHpSidF4N9r3xrJH MnKiIIgddaQkR85MYgzpaq89zQEErzPnePY0sLbrvN7+BwJnEYZCTfHldhOzTnPf0HCo XPSVvJOaT1tG1i2z0XfQjYqFOxImI1ejJP3riRVE0gJA1OP8fVSU1Ky17U/2M0vaClGS G+GA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature:dkim-filter; bh=Q0gnwv2t4NZsEC7k5ibkWa5MYZGFMGKdh3cOh4PXWJ8=; b=n91p+qbnVI26RIoteo+v5LVJbR7Ckr6asN46RaXn7p6Wdc8e7jwjpuJsJKV2znR3aL vpBsgs37R2g9XIoprqNrh/q/0pdCbFBtZsLZNKBbcCBZGP2UL/BA+FciFey8P8IqaVTE KUjowKKG/HqYPJKNhN0kkglNTuhhgCoqLOym8pWaaAKVbJfD8qWTZ2kfBcX/dU+M+ixy cjaVJQO1Xfz5L5G+FIR6puURIyd6Zzzie3GRz8Vsmex86cZrLzgduqsTVj4PPwePcUgM u8O9K0lBdBL54Rn0ZSzsd9cdVXumBqVKSnJpCJ7n3Q6gwxktutikSarr0y1A5WfR1mXK 6JaA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@fieldses.org header.s=default header.b=vmmiIdXp; spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id v4si11876135edj.37.2021.02.21.06.41.33; Sun, 21 Feb 2021 06:42:09 -0800 (PST) Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@fieldses.org header.s=default header.b=vmmiIdXp; spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230001AbhBUOhz (ORCPT + 99 others); Sun, 21 Feb 2021 09:37:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229999AbhBUOhy (ORCPT ); Sun, 21 Feb 2021 09:37:54 -0500 Received: from fieldses.org (fieldses.org [IPv6:2600:3c00:e000:2f7::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0D0FC061574; Sun, 21 Feb 2021 06:37:14 -0800 (PST) Received: by fieldses.org (Postfix, from userid 2815) id 7CFB228E5; Sun, 21 Feb 2021 09:37:12 -0500 (EST) DKIM-Filter: OpenDKIM Filter v2.11.0 fieldses.org 7CFB228E5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fieldses.org; s=default; t=1613918232; bh=Q0gnwv2t4NZsEC7k5ibkWa5MYZGFMGKdh3cOh4PXWJ8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=vmmiIdXpVc38B39drEy7+CfrDKlMzrhsPw0lKWzTCJbFkKCqnUlHOwIWAz/ol6J6L 7Set20VbLn82On8qh6/QfKPeTTRywcVCfr/bvPkJ4h+wEjc9TxaB7tL2QmBzr8Uv1e 4QvPwPbN4B4DdfXdzAJark17xbQQM9DegYBcAlU8= Date: Sun, 21 Feb 2021 09:37:12 -0500 From: Bruce Fields To: Anton Ivanov Cc: Salvatore Bonaccorso , Chuck Lever , Linux Kernel Mailing List , "940821@bugs.debian.org" <940821@bugs.debian.org>, Linux NFS Mailing List , trond.myklebust@hammerspace.com, anna.schumaker@netapp.com Subject: Re: NFS Caching broken in 4.19.37 Message-ID: <20210221143712.GA15975@fieldses.org> References: <5022bdc4-9f3e-9756-cbca-ada37f88ecc7@cambridgegreys.com> <9305dc03-5557-5e18-e5c9-aaf886a03fff@cambridgegreys.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9305dc03-5557-5e18-e5c9-aaf886a03fff@cambridgegreys.com> User-Agent: Mutt/1.5.21 (2010-09-15) Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org On Sun, Feb 21, 2021 at 11:38:51AM +0000, Anton Ivanov wrote: > On 21/02/2021 09:13, Salvatore Bonaccorso wrote: > >On Sat, Feb 20, 2021 at 08:16:26PM +0000, Chuck Lever wrote: > >>Confirming you are varying client-side kernels. Should the Linux > >>NFS client maintainers be Cc'd? > > > >Ok, agreed. Let's add them as well. NFS client maintainers any ideas > >on how to trackle this? > > This is not observed with Debian backports 5.10 package > > uname -a > Linux madding 5.10.0-0.bpo.3-amd64 #1 SMP Debian 5.10.13-1~bpo10+1 > (2021-02-11) x86_64 GNU/Linux I'm still unclear: when you say you tested a certain kernel: are you varying the client-side kernel version, or the server side, or both at once? --b.