Received: by 2002:a05:6a10:6d10:0:0:0:0 with SMTP id gq16csp751024pxb; Thu, 21 Apr 2022 09:31:56 -0700 (PDT) X-Google-Smtp-Source: ABdhPJztJa7cs2yQRM93GyGjC12D+pNpt1c2ar60nC4GgI8GoXXBrdSQRXoS+jsOKrJBgM9OV2a5 X-Received: by 2002:a05:6a00:114b:b0:4f7:915:3ec3 with SMTP id b11-20020a056a00114b00b004f709153ec3mr373561pfm.8.1650558715764; Thu, 21 Apr 2022 09:31:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1650558715; cv=none; d=google.com; s=arc-20160816; b=jwnN5eEGSGdv66ZaW2opYVvV1Razmfj/O7Mf/YES8/vagCNMF8cWTmhEpRbKdsCGB5 hpOJBwTkTpSiFh72FSPnoLfEdvEBTnIt/l+dFHTPaE1ogCNnD+W9A/YuzYrP6yzkkUfQ G6Hh5fkBXCuE92fiRTPfSdyfqgwp3T/nhGiW6D6lWUWrnnDS9qKEbc3O+5iDEX75Nx5r ClULr+JAYAcLh44Rv7WjA14pkMqBOCv0d7suGSmHuTHorP0n0+5dWhDSrT0BbfUJFDsJ WjF2GGsUXx5TzuUoxmN3LWw+up61hLYlebC6AfHmtFyy+KAUaIbWB1HYRvxtUsHfGV1e K48g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=MI9Kky9x+Ru69YHfcApwNQRP8m4Jq98ISFIExLqxKrA=; b=jgyqmotKZbiEyCbJ3KlGd6IUKB25ml6IETLAbE1ptmXzjfJlQZnSqjlvsoYDQzL1T9 naLMdFoR9YEPzcPruCLbx6lOZE5ATseQ7P3hgHpEuiStctT6v+vtq53SZ8ETUBDNHuHs Q5uijWHjlFChWYCi8AyJBq91fCTA8+IE+q2kktZ6glW3SPGfsLAlPjfbz2hzNxVR7RJd +QkJ3ePhvZjsmFLfePxtf74u8yc1KcAlw1EsZQEK8ZZYiOrfTXp9vONe4I0yejv0RDvo EExLehFM1/787zrfDftJS9Cogd2g7tVW2LRNL1ytASPGiryo28EzI87D+sFR2e3NFBVi BCDg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id i18-20020a170902c95200b00153b2d1647dsi5806271pla.133.2022.04.21.09.31.37; Thu, 21 Apr 2022 09:31:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349391AbiDSOVo (ORCPT + 99 others); Tue, 19 Apr 2022 10:21:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36014 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346632AbiDSOVm (ORCPT ); Tue, 19 Apr 2022 10:21:42 -0400 Received: from nibbler.cm4all.net (nibbler.cm4all.net [82.165.145.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3980E643F for ; Tue, 19 Apr 2022 07:18:57 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by nibbler.cm4all.net (Postfix) with ESMTP id 870C4C00DA for ; Tue, 19 Apr 2022 16:18:55 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at nibbler.cm4all.net Received: from nibbler.cm4all.net ([127.0.0.1]) by localhost (nibbler.cm4all.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id KzzMN1C4msjD for ; Tue, 19 Apr 2022 16:18:48 +0200 (CEST) Received: from zero.intern.cm-ag (zero.intern.cm-ag [172.30.16.10]) by nibbler.cm4all.net (Postfix) with SMTP id 6A4FAC00D5 for ; Tue, 19 Apr 2022 16:18:48 +0200 (CEST) Received: (qmail 20027 invoked from network); 19 Apr 2022 20:08:47 +0200 Received: from unknown (HELO rabbit.intern.cm-ag) (172.30.3.1) by zero.intern.cm-ag with SMTP; 19 Apr 2022 20:08:47 +0200 Received: by rabbit.intern.cm-ag (Postfix, from userid 1023) id 40ACB460E9C; Tue, 19 Apr 2022 16:18:48 +0200 (CEST) Date: Tue, 19 Apr 2022 16:18:48 +0200 From: Max Kellermann To: David Howells Cc: Max Kellermann , linux-cachefs@redhat.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: fscache corruption in Linux 5.17? Message-ID: References: <454834.1650373340@warthog.procyon.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <454834.1650373340@warthog.procyon.org.uk> X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022/04/19 15:02, David Howells wrote: > I presume you are actually using a cache? Yes, see: On 2022/04/12 17:10, Max Kellermann wrote: > All web servers mount a storage via NFSv3 with fscache. At least one web server is still in this broken state right now. So if you need anything from that server, tell me, and I'll get it. I will need to downgrade to 5.16 tomorrow to get rid of the corruption bug (I've delayed this for a week, waiting for your reply). After tomorrow, I can no longer help debugging this. Max