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([2001:778:e27f:a23:36c4:e19f:3c1:8a8]) by smtp.gmail.com with ESMTPSA id s12-20020a170906168c00b009737b8d47b6sm8874412ejd.203.2023.09.27.01.45.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 27 Sep 2023 01:45:34 -0700 (PDT) Message-ID: <5048a7a0-d2fe-41f3-be3b-4eead930c414@gmail.com> Date: Wed, 27 Sep 2023 11:45:33 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Data corruption with 5.10.x client -> 6.5.x server Content-Language: en-US, lt-LT To: Chuck Lever III Cc: Linux NFS Mailing List References: <6E4B8EB9-FA7E-4ABD-81AB-6FB0EF07EA46@oracle.com> <9691788F-2B62-4EB5-8879-CEDABD1B9D4B@oracle.com> <78c81a97-4324-c2df-27c0-917436ddee07@gmail.com> <6908E735-6912-4AEC-8AD7-995F2F8A144A@oracle.com> <8cb19861-7fd2-4d12-bd76-78bbb8fcee7c@gmail.com> <2660F09A-5823-4581-8977-4F41153724D6@oracle.com> From: =?UTF-8?Q?Mantas_Mikul=C4=97nas?= In-Reply-To: <2660F09A-5823-4581-8977-4F41153724D6@oracle.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Wed, 27 Sep 2023 01:45:42 -0700 (PDT) On 26/09/2023 16.57, Chuck Lever III wrote: > I'm wondering if I can get you to bisect the server kernel using > your v5.10 client to test? good = v6.4, bad = v6.5 should do it. >> Yeah, I will try to bisect but it'll probably take a day or two. I'm *nearly* done with bisect (most of the builds with distro config took over an hour on this aging Xeon), and I'm currently in the middle of: 518f375 [refs/bisect/bad] nfsd: don't provide pre/post-op attrs if fh_getattr fails df56b38 NFSD: Remove nfsd_readv() 703d752 [HEAD] NFSD: Hoist rq_vec preparation into nfsd_read() [step two] 507df40 NFSD: Hoist rq_vec preparation into nfsd_read() ed4a567 [refs/bisect/good-XX] NFSD: Update rq_next_page between COMPOUND operations