Received: by 2002:a89:2c3:0:b0:1ed:23cc:44d1 with SMTP id d3csp205770lqs; Mon, 4 Mar 2024 22:15:34 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCWI5Bp5xxL69uyUn8W0wv+KPu/S8azC8Nk/dWShB5ANp0/ukZRhQTeksjanJghx5s21vd3xoJMczEVPM4ldRO+2j7A8KA+x1UTzQ86hsA== X-Google-Smtp-Source: AGHT+IF6GFn+hTxpEZ9Jnf6sTmakw05G/5qohZvM+2bt8VYRcsUdgg//fUdyWCnX9Wf580NnWmYx X-Received: by 2002:a54:4104:0:b0:3c1:e5dd:aab with SMTP id l4-20020a544104000000b003c1e5dd0aabmr922442oic.6.1709619333792; Mon, 04 Mar 2024 22:15:33 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1709619333; cv=pass; d=google.com; s=arc-20160816; b=mnE0+uDyFYLv/6ME7yWDBWrLE2hC4vYpAijNDRkMp5G14DOITxIMxQ8laXKYxxIRa0 DSUfw3oUWCxixF53PVh4CujHtEKeFCKK4KaVBFd36Er+LIK1ep9EmcjItR1y2OKViK+m 6jijARn9mbrcAMi/Pf2sQxWxTtXLVaEO9VeDZHeV9VkXGEQDyjciCkA85BTQALDRDfF8 Ct4v0G7i+kghSQxtOByYTk8/8Fr/zE0eEl5Kl5xv/UZYRz0qbJIz0u+9p0sykjtPCcnH jFEa6K0scsU5UtnirqryWz2D+zbFyU1+jkZCu0SJTtCO7XUUgqIJBOcWV/mXeG3S+wWN FWTQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=to:references:message-id:content-transfer-encoding:cc:date :in-reply-to:from:subject:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:dkim-signature; bh=k0S++Cu8Iyr6uXBN6ACI05p0wIHJD7IqUIi1EDWRXX0=; fh=dW35zb7i1rUVPDeO1lDIQyrazcrCXs7gQg+9n6D7pYo=; b=ATiNAf9h56608D1MugewszeKal8Xr+EZBzcv0swsBqb0/l/Wr171+SQe79Rm/6zxmS HjVS7IWC6gZsHHz3pVA4fjwKZq1x4supVWPBPYGpSOacaJbnjE6V6e/t0VSfOwEuJK/9 Iwt4Vtf4ExlHoGhV5UNqpw9sDVwC1/xQQ7VP5rUMmvnySGaQpbMla3yaVdRr+iljYYBl w3damvfiiy8bUpFiBP/i8kxBYHFF5J4/4v2guZ2Bm3tRfdYZ0ecsnbATALLLFXk6Vb+V h1i1zI8gSICzliDFbczDExklCyd5VP2fXh7tZ39pv/cWTA1kHPfVm1LD+Ab0fiMLY2gK sluw==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@flyingcircus.io header.s=mail header.b=QBOeYQWj; arc=pass (i=1 spf=pass spfdomain=flyingcircus.io dkim=pass dkdomain=flyingcircus.io dmarc=pass fromdomain=flyingcircus.io); spf=pass (google.com: domain of linux-nfs+bounces-2205-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-nfs+bounces-2205-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=flyingcircus.io Return-Path: Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [139.178.88.99]) by mx.google.com with ESMTPS id y15-20020aa79e0f000000b006e5d8df091bsi5842853pfq.75.2024.03.04.22.15.33 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Mar 2024 22:15:33 -0800 (PST) Received-SPF: pass (google.com: domain of linux-nfs+bounces-2205-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99; Authentication-Results: mx.google.com; dkim=pass header.i=@flyingcircus.io header.s=mail header.b=QBOeYQWj; arc=pass (i=1 spf=pass spfdomain=flyingcircus.io dkim=pass dkdomain=flyingcircus.io dmarc=pass fromdomain=flyingcircus.io); spf=pass (google.com: domain of linux-nfs+bounces-2205-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-nfs+bounces-2205-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=flyingcircus.io Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 63063281C9E for ; Tue, 5 Mar 2024 06:15:33 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2B34146521; Tue, 5 Mar 2024 06:15:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=flyingcircus.io header.i=@flyingcircus.io header.b="QBOeYQWj" X-Original-To: linux-nfs@vger.kernel.org Received: from mail.flyingcircus.io (mail.flyingcircus.io [212.122.41.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1EBF9FC1C; Tue, 5 Mar 2024 06:15:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.122.41.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709619331; cv=none; b=WvpmEPTA17UwbU+Y2OXSQnfjrAQ3uod8buOkqJ/V07qgLCdRJ87mEXVqkbuBqOF79utd75gjsPEg1ocvGKSTuByEMBsga1vMbIjoML978YsEtwYHDcUIMFOuQxFLbmci3/06U9VHhwBinM/2kU+NDhYgzzDplLrE7cgWpErS+QE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709619331; c=relaxed/simple; bh=k0S++Cu8Iyr6uXBN6ACI05p0wIHJD7IqUIi1EDWRXX0=; h=Content-Type:Mime-Version:Subject:From:In-Reply-To:Date:Cc: Message-Id:References:To; b=eZVnPMNZIHHK4+XKEXiPz2i3joHpkb69Vxk3nUOU6pAE+3tyaigjqd7Rxpsk5ag+YNCRqIgw19Mtuh4lIyrY/pcCrJL4Wmb3HtapBe2SuDbMpwgA3yiJGjuJ5f4Qn2CawC++8kzkcveMwEXCEcIAJkMdhCTG+BYoma2Q9k4nNx4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=flyingcircus.io; spf=pass smtp.mailfrom=flyingcircus.io; dkim=pass (1024-bit key) header.d=flyingcircus.io header.i=@flyingcircus.io header.b=QBOeYQWj; arc=none smtp.client-ip=212.122.41.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=flyingcircus.io Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flyingcircus.io Content-Type: text/plain; charset=utf-8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=flyingcircus.io; s=mail; t=1709618979; bh=k0S++Cu8Iyr6uXBN6ACI05p0wIHJD7IqUIi1EDWRXX0=; h=Subject:From:In-Reply-To:Date:Cc:References:To; b=QBOeYQWjPjcVLq2dQ5HyXh22PMZs7KuESHcPaGtHEHmWgwM115uQLZdf4M0c48GBi ovEehHg1WSiwOjpDCXFmFJy7F+yOQpUPAthHdGOkOmNbbHebQ2hTKr7MIMjXZJQWnT lBL4chzEwOh1OHe4bq0TvoSNd+lkl725lOsu4NkM= Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3774.400.31\)) Subject: Re: nfs4_schedule_state_manager stuck in tight loop From: Christian Theune In-Reply-To: Date: Tue, 5 Mar 2024 07:09:19 +0100 Cc: linux-nfs@vger.kernel.org, jlayton@kernel.org, linux-kernel@vger.kernel.org, Linux regressions mailing list , trondmy@hammerspace.com, anna@kernel.org Content-Transfer-Encoding: quoted-printable Message-Id: <3404A3C2-31BE-4D39-A256-E3A1FB48ACFB@flyingcircus.io> References: <8B04DA70-ABEF-44A4-BBA7-60968E6CFA10@flyingcircus.io> To: Chuck Lever Hi, not sure whether I may have missed a response that didn=E2=80=99t make = it back to me or any of the lists. Just in case, because the CC didn=E2=80=99t include the original = addendum I made to my report: Addendum: I=E2=80=99ve checked kernel changelogs since then but didn=E2=80=99t = find anything that I could relate to this aside from *maybe* = dfda2a5eb66a685aa6d0b81c0cef1cf8bfe0b3c4 (rename(): fix the locking of = subdirectories) which mentions NFS but doesn=E2=80=99t describe the = potential impact. We=E2=80=99re running 5.15.148 now and as it=E2=80=99s been another 2 = months there might be the chance of another lockup in the near future ;) If anyone has ideas on how to debug/approach a reproducer I=E2=80=99d be = more than happy to help and try to provide more data. Cheers, Christian --=20 Christian Theune =C2=B7 ct@flyingcircus.io =C2=B7 +49 345 219401 0 Flying Circus Internet Operations GmbH =C2=B7 https://flyingcircus.io Leipziger Str. 70/71 =C2=B7 06108 Halle (Saale) =C2=B7 Deutschland HR Stendal HRB 21169 =C2=B7 Gesch=C3=A4ftsf=C3=BChrer: Christian Theune, = Christian Zagrodnick