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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3C123C433E0 for ; Fri, 19 Jun 2020 21:34:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD3B721D6C for ; Fri, 19 Jun 2020 21:34:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=tu-berlin.de header.i=@tu-berlin.de header.b="ZPoC0mHS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725925AbgFSVeH (ORCPT ); Fri, 19 Jun 2020 17:34:07 -0400 Received: from exchange.tu-berlin.de ([130.149.7.70]:25387 "EHLO exchange.tu-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725554AbgFSVeG (ORCPT ); Fri, 19 Jun 2020 17:34:06 -0400 X-Greylist: delayed 576 seconds by postgrey-1.27 at vger.kernel.org; Fri, 19 Jun 2020 17:34:05 EDT Received: from SPMA-01.tubit.win.tu-berlin.de (localhost.localdomain [127.0.0.1]) by localhost (Email Security Appliance) with SMTP id 49EF17E07BD_EED2D0CB for ; Fri, 19 Jun 2020 21:24:28 +0000 (GMT) Received: from exchange.tu-berlin.de (exchange.tu-berlin.de [130.149.7.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (Client CN "exchange.tu-berlin.de", Issuer "DFN-Verein Global Issuing CA" (not verified)) by SPMA-01.tubit.win.tu-berlin.de (Sophos Email Appliance) with ESMTPS id 177C97DB193_EED2D0CF for ; Fri, 19 Jun 2020 21:24:28 +0000 (GMT) Received: from ex-02.tubit.win.tu-berlin.de (172.26.35.185) by ex-mbx-10.tubit.win.tu-berlin.de (172.26.35.180) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 19 Jun 2020 23:24:27 +0200 Received: from ex-02.tubit.win.tu-berlin.de (172.26.35.185) by ex-02.tubit.win.tu-berlin.de (172.26.35.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.529.5; Fri, 19 Jun 2020 23:24:27 +0200 Received: from ex-02.tubit.win.tu-berlin.de ([172.26.26.142]) by ex-02.tubit.win.tu-berlin.de ([172.26.26.142]) with mapi id 15.02.0529.008; Fri, 19 Jun 2020 23:24:27 +0200 From: "Kraus, Sebastian" To: "linux-nfs@vger.kernel.org" Subject: RPC Pipefs: Frequent parsing errors in client database Thread-Topic: RPC Pipefs: Frequent parsing errors in client database Thread-Index: AQHWRn23CLxtUY9z/kmxDmLD+JX3bA== Date: Fri, 19 Jun 2020 21:24:27 +0000 Message-ID: Accept-Language: en-US, de-DE Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [130.149.19.173] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-PMWin-Version: 4.0.1, Antivirus-Engine: 3.77.1, Antivirus-Data: 5.75 X-PureMessage: [Scanned] X-SASI-RCODE: 200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tu-berlin.de; h=from:to:subject:date:message-id:content-type:content-transfer-encoding:mime-version; s=dkim-tub; bh=gs1qGbHeL7uS4pE0s4JeY+BbYdLNN1dXVeJPnieZ6Xw=; b=ZPoC0mHSVpgdhJUf8JPEU8vyqoC2QPRlhptDomUoz6ATyKFCid3frg7xFt2chcw3FJgLWJqYoazF9wArS7v53WfxqjXcQy/5fiztq/8HksjiI/cVvp4CA/IPz28f1lucsuZ46w92A43TMMDUK+A0LRzVNamY1cLL8ah2PPLXP3s= Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Hi all, since several weeks, I am seeing, on a regular basis, errors like the follo= wing in the system log of one of my NFSv4 file servers: Jun 19 11:14:00 all rpc.gssd[23620]: ERROR: can't open nfsd4_cb/clnt3bb/inf= o: No such file or directory Jun 19 11:14:00 all rpc.gssd[23620]: ERROR: failed to parse nfsd4_cb/clnt3b= b/info Looks like premature closing of client connections. The security flavor of the NFS export is set to krb5p (integrity+privacy). Anyone a hint how to efficiently track down the problem? Best and thanks Sebastian Sebastian Kraus Team IT am Institut f=FCr Chemie Geb=E4ude C, Stra=DFe des 17. Juni 115, Raum C7 Technische Universit=E4t Berlin Fakult=E4t II Institut f=FCr Chemie Sekretariat C3 Stra=DFe des 17. Juni 135 10623 Berlin=