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 72A20C4332F for ; Thu, 22 Dec 2022 04:44:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229726AbiLVEod (ORCPT ); Wed, 21 Dec 2022 23:44:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229601AbiLVEoc (ORCPT ); Wed, 21 Dec 2022 23:44:32 -0500 Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6BAD21A204; Wed, 21 Dec 2022 20:44:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.de; s=s31663417; t=1671684266; bh=mSeQo5HD6mm53XVJ7wzrrTx/ANQPLgJs/zlmqz1os+Y=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=iVh/hulKQDt9Y8D++LiH6897M99Dpxlct7q+sR+mjsJ24076OFXzC5tz8sh18dQrc r7SEHzb9gRskfMMdFVmkEo9lgJUgfUBPI2Vx4LH7qZ1GktT5/PTIPsBCfqAC5zd8xe COLHhiDxC+pqLQ9aISt5UCS0W2OM+4z/KuAL6tkbv8vA0IpqSXEUudeNv7a91Gmq8l wcCWmeiN42A3ZLsyluCEeJJfQblm+ZhO5y/tOTQoeWDGmFsBXFK3vCfD6kmP4Ig+U6 ZbRr+MTwbtvjCOxJxeMT89M3KH3fUrDxZtx+TfxAtrVeFENrn06WQ8qpD7R8GaND8l fSTg/uBc7dSsA== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from homer.fritz.box ([212.114.172.145]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MDhhX-1ozfFl1Evf-00Ap3t; Thu, 22 Dec 2022 05:44:26 +0100 Message-ID: <36902a3dd6ee1a8656548ff5b5eadb88245e2799.camel@gmx.de> Subject: Re: regression: nfs mount (even idle) eventually hangs server From: Mike Galbraith To: Chuck Lever III Cc: LKML , Linux NFS Mailing List Date: Thu, 22 Dec 2022 05:44:25 +0100 In-Reply-To: <1A404CDB-95A8-4D04-B76B-91D4F063B489@oracle.com> References: <65ed34338c69cb034295f2c9cbe0af684d65d30f.camel@gmx.de> <360f3dcfb6cfbefdbcc42fc84c660995142a8645.camel@gmx.de> <241c118c2fb60df744bbe351387fc29a34ff6ab9.camel@gmx.de> <1A404CDB-95A8-4D04-B76B-91D4F063B489@oracle.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:zX4AtPJMSxHapawfaJ5LW8msY0KiDpItEQOIRMXxUMfoXTP0nSK XQ5SdLxZoQ0CyVjzsbcw5cAeqb5d7+/e07mqZOoofLMUwxq2WA/LqDPNwCbp06pF8RBMHZ+ pPVCgUZa0A+1AGiKI79fTgBP5NVBDdGyxAj8VH3jVxCNaqvlx/aBmQcMBFTVcYr2YgoposP n4iIji/SxpjEkq/MF+Kag== UI-OutboundReport: notjunk:1;M01:P0:DMZZOEW2BCo=;Y+DP8BZtE3rTL3IOMC4eI1f4v3i 8fjzzmmSwvkNdHyuTFAGM5bL2D2V3mMB9zVEm/kNqpctkOLcKmHqad65IEU3F3xb59L1laMzB 57z4+5ScgGaAoJ/fFi3RpI5uP1Nw1rwsDmDyHWR/Qz6rvFnRXLSOHn/m6eofiSofqWSwQZe0i 5sZ2Fgx2Xyx2BcXiejQANzKAcnMUirgMjES3S0tBZTcy7j7BSzWJZqc5PJziwTNbHtKnOcId7 Vy4wflcJY665cI5SMqmIUiQ6V5igOVFf1XhGLAyhEWARkjBxWccS6GfMKFfG+LV88T7moRQd7 y23ug80Dd86nvEz4au/QnW83Q9edwn9Mw4PqBOzI1felBBRbpRHEt6dnghensldHhwb0KovsJ 03IZ45zY6Tv4WQbGa7/yaxixVXq4bisaUk6fCrnTw5QFGzPuYfUP3n47vhKaOML69NWgCWYzE BtlVdJtYd7uRu2rFyibvOux/pu9CKjnZLPyzFkMmd1yWEVZMCtHPgoXd0nhAopJTzTr9c+PAl uaDtJj2S/iNEjuF+hRGrw7Sf30mCfpAqEqhAvnn6YHewZ7KYX6O1JYTpUuOnrKLgIBHTodioT m/FmtghyAWb4N8vL/F2JafwCmPpwpJEZoqRSAfjISaG/cNrWrBEXQGiT+n5y39jtc6v//BnJZ y6j1d2rmr9JTHv9ufYpFUzB2P32MYq4ihHjwtrLDMovCBsGRB7kCuGeSBAtTebvVPLPaxoWiN Ukf6dZbJrQww4fO6pqkLnJEmtavNRu6XiaYQ2tWZ1PNHq1MgAw+bzCm+yWhIlzoPsbroU/bDc PXBL0smyF2IbKAeGRZ4vjGEoH6kQ+Pouo45fF+BiwtFb0m+WzHn/YmFicJpK75rHmnpu8P/rJ 9UaY/5TNe+vpSktrqR3uHoHFe+BsJummRBkQNBuFLjTxHJtUGuHg3aRYxshCb1C/OFkiqUNMZ pNgLqkbhuu+eV+qWY8prUNqgWLk= Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org On Thu, 2022-12-22 at 04:28 +0000, Chuck Lever III wrote: > > Hi Mike- Greetings, > I'm guessing your client mounts with NFSv4.x. Yes, mount says vers=3D4.2. > We've been chasing a similar problem for a few months, but for > lack of a solid reproducer, it has remained elusive. > > We believe the problem was introduced between 5.19 and 6.0. If > you have a fairly reliable way to trigger the server hang, then > maybe a bisect would be possible? The 'solid' reproducer attribute is a bit of a problem, why I was taking potshots at it. I'll try to sneak up on it. -Mike