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([2601:647:4802:9070:5d05:c199:96bf:2f58]) by smtp.gmail.com with ESMTPSA id s184sm4130786pgc.29.2021.04.30.16.42.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 30 Apr 2021 16:42:15 -0700 (PDT) Subject: Re: nvme tcp receive errors From: Sagi Grimberg To: Keith Busch Cc: linux-nvme@lists.infradead.org, hch@lst.de References: <0976ff40-751e-cb95-429a-04ffa229ebf0@grimberg.me> <20210331204958.GD23886@redsun51.ssa.fujisawa.hgst.com> <20210402171141.GA1944994@dhcp-10-100-145-180.wdc.com> <53a11feb-bc49-d384-3b7b-481a0dfc70e6@grimberg.me> <20210405143702.GA20598@redsun51.ssa.fujisawa.hgst.com> <300c9e90-9bd6-abc8-c67a-fa92e119e4a7@grimberg.me> <20210414002946.GA2448507@dhcp-10-100-145-180.wdc.com> <5bc917c8-4e4c-7bfa-7cfa-24858993a042@grimberg.me> <20210426153137.GD12593@redsun51.ssa.fujisawa.hgst.com> <20210427181236.GA631001@dhcp-10-100-145-180.wdc.com> <686a7cdc-a9a8-3700-3805-90d07db39707@grimberg.me> Message-ID: Date: Fri, 30 Apr 2021 16:42:14 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <686a7cdc-a9a8-3700-3805-90d07db39707@grimberg.me> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210430_164217_330721_FDFE07AC X-CRM114-Status: GOOD ( 16.72 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Cj4gWW91IGFyZSBleGFjdGx5IHJpZ2h0LCBJIHRoaW5rIHRoaXMgc2hvdWxkIGRvIHRoZSB0cmlj azoKCkhleSBLZWl0aCwKCkRpZCB0aGlzIHJlc29sdmUgdGhlIGlzc3Vlcz8KCj4gLS0gCj4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvbnZtZS9ob3N0L3RjcC5jIGIvZHJpdmVycy9udm1lL2hvc3QvdGNw LmMKPiBpbmRleCA4ZTU1ZDhiYzBjNTAuLmViMWZlYWFjZDExYSAxMDA2NDQKPiAtLS0gYS9kcml2 ZXJzL252bWUvaG9zdC90Y3AuYwo+ICsrKyBiL2RyaXZlcnMvbnZtZS9ob3N0L3RjcC5jCj4gQEAg LTU1LDYgKzU1LDcgQEAgc3RydWN0IG52bWVfdGNwX3JlcXVlc3Qgewo+ICDCoMKgwqDCoMKgwqDC oCAvKiBzZW5kIHN0YXRlICovCj4gIMKgwqDCoMKgwqDCoMKgIHNpemVfdMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqAgb2Zmc2V0Owo+ICDCoMKgwqDCoMKgwqDCoCBzaXplX3TCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGRhdGFfc2VudDsKPiArwqDCoMKgwqDCoMKg IHNpemVfdMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgZGF0YV9yZWNlaXZlZDsK PiAgwqDCoMKgwqDCoMKgwqAgZW51bSBudm1lX3RjcF9zZW5kX3N0YXRlIHN0YXRlOwo+ICDCoH07 Cj4gCj4gQEAgLTc1MSw5ICs3NTIsMTIgQEAgc3RhdGljIGludCBudm1lX3RjcF9yZWN2X2RhdGEo c3RydWN0IG52bWVfdGNwX3F1ZXVlIAo+ICpxdWV1ZSwgc3RydWN0IHNrX2J1ZmYgKnNrYiwKPiAg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgICpsZW4gLT0gcmVjdl9sZW47Cj4gIMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCAqb2Zmc2V0ICs9IHJlY3ZfbGVuOwo+ICDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgcXVldWUtPmRhdGFfcmVtYWluaW5nIC09IHJlY3ZfbGVu Owo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHJlcS0+ZGF0YV9yZWNlaXZlZCArPSBy ZWN2X2xlbjsKPiAgwqDCoMKgwqDCoMKgwqAgfQo+IAo+ICDCoMKgwqDCoMKgwqDCoCBpZiAoIXF1 ZXVlLT5kYXRhX3JlbWFpbmluZykgewo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGlm IChyZXEtPmRhdGFfcmVjZWl2ZWQgPCByZXEtPmRhdGFfbGVuKQo+ICvCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCByZXR1cm4gMDsKPiAgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgIGlmIChxdWV1ZS0+ZGF0YV9kaWdlc3QpIHsKPiAgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBudm1lX3RjcF9kZGdzdF9maW5hbChx dWV1ZS0+cmN2X2hhc2gsIAo+ICZxdWV1ZS0+ZXhwX2RkZ3N0KTsKPiAgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBxdWV1ZS0+ZGRnc3RfcmVtYWluaW5nID0g TlZNRV9UQ1BfRElHRVNUX0xFTkdUSDsKPiBAQCAtMjI3NCw2ICsyMjc4LDcgQEAgc3RhdGljIGJs a19zdGF0dXNfdCBudm1lX3RjcF9zZXR1cF9jbWRfcGR1KHN0cnVjdCAKPiBudm1lX25zICpucywK PiAgwqDCoMKgwqDCoMKgwqAgcmVxLT5zdGF0ZSA9IE5WTUVfVENQX1NFTkRfQ01EX1BEVTsKPiAg wqDCoMKgwqDCoMKgwqAgcmVxLT5vZmZzZXQgPSAwOwo+ICDCoMKgwqDCoMKgwqDCoCByZXEtPmRh dGFfc2VudCA9IDA7Cj4gK8KgwqDCoMKgwqDCoCByZXEtPmRhdGFfcmVjZWl2ZWQgPSAwOwo+ICDC oMKgwqDCoMKgwqDCoCByZXEtPnBkdV9sZW4gPSAwOwo+ICDCoMKgwqDCoMKgwqDCoCByZXEtPnBk dV9zZW50ID0gMDsKPiAgwqDCoMKgwqDCoMKgwqAgcmVxLT5kYXRhX2xlbiA9IGJsa19ycV9ucl9w aHlzX3NlZ21lbnRzKHJxKSA/Cj4gLS0gCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpMaW51eC1udm1lIG1haWxpbmcgbGlzdApMaW51eC1udm1lQGxpc3Rz LmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5m by9saW51eC1udm1lCg==