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=-3.8 required=3.0 tests=BAYES_00, 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 8D9B1C43603 for ; Wed, 3 Mar 2021 02:02:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BFF3064E76 for ; Wed, 3 Mar 2021 02:02:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241032AbhCCB6B (ORCPT ); Tue, 2 Mar 2021 20:58:01 -0500 Received: from ciao.gmane.io ([116.202.254.214]:36530 "EHLO ciao.gmane.io" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1838145AbhCBKIq (ORCPT ); Tue, 2 Mar 2021 05:08:46 -0500 Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1lH1py-0007eb-MC for linux-btrfs@vger.kernel.org; Tue, 02 Mar 2021 11:01:06 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: linux-btrfs@vger.kernel.org To: linux-btrfs@vger.kernel.org From: Torsten Bronger Subject: Re: Unexpected "ERROR: clone: did not find source subvol" on btrfs receive Date: Tue, 02 Mar 2021 11:00:06 +0100 Organization: Phoenix Foundation Message-ID: <87pn0hooyh.fsf@physik.rwth-aachen.de> References: <41b096e1-5345-ae9c-810b-685499813183@wetzel-home.de> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=sha256; protocol="application/pkcs7-signature" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cancel-Lock: sha1:+aC0DIUtu7SY+7/0yZ9dSCP9Rik= X-PGP-Fingerprint: C5C8 D6E2 79D2 EFE9 8C0F 6D77 D5E3 CEFC 9F51 6B77 X-Home-Page: http://www.wikipedia.org/wiki/User:Bronger X-Face: +wpw"|jN2Fde|7_lKBa0\7!_6suIE_m! x)'S9ytBu8tkt'k779jbzQ4o|p+@H_DCrIdnKG]E*w X-Binford: 6100 (more power) X-Accept-Language: de, en Mail-Copies-To: never In-reply-to: <41b096e1-5345-ae9c-810b-685499813183@wetzel-home.de> Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hall=C3=B6chen! Alexander Wetzel writes: > I have a strange problem with btrfs send/receive. While I can > create incremental snaphosts but when I try to restore them I > reproducible get: > >> At snapshot 2021-02-20-TEMP >> ERROR: clone: did not find source subvol I observe the same thing regularly (but not every time) and logged it for a couple of weeks, using kernel 5.8.0 (Ubuntu 20.04) for send and receive, and btrfs-progs v5.4.1. I use send/receive to sync large VirtualBox images between my two laptops and a server. I observed: =2D UUID and Receive UUID on both sides match the same way, both if its working or if the error occurs. (I.e., Receive UUID on one side matches UUID on the other side, which has no Receive UUID.) =2D The =E2=80=9CGeneration=E2=80=9D and =E2=80=9CGen at creation=E2=80=9D = never match, not amongst each other, and not on sending and receiving side. =2D I *seem* to suffer no data loss due to it. I am willing to log further things, or test things. Regards, Torsten. =2D-=20 Torsten Bronger --=-=-= Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename=smime.p7s MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCEI8w ggUSMIID+qADAgECAgkA4wvV+K8l2YEwDQYJKoZIhvcNAQELBQAwgYIxCzAJBgNVBAYTAkRFMSsw KQYDVQQKDCJULVN5c3RlbXMgRW50ZXJwcmlzZSBTZXJ2aWNlcyBHbWJIMR8wHQYDVQQLDBZULVN5 c3RlbXMgVHJ1c3QgQ2VudGVyMSUwIwYDVQQDDBxULVRlbGVTZWMgR2xvYmFsUm9vdCBDbGFzcyAy MB4XDTE2MDIyMjEzMzgyMloXDTMxMDIyMjIzNTk1OVowgZUxCzAJBgNVBAYTAkRFMUUwQwYDVQQK EzxWZXJlaW4genVyIEZvZXJkZXJ1bmcgZWluZXMgRGV1dHNjaGVuIEZvcnNjaHVuZ3NuZXR6ZXMg ZS4gVi4xEDAOBgNVBAsTB0RGTi1QS0kxLTArBgNVBAMTJERGTi1WZXJlaW4gQ2VydGlmaWNhdGlv biBBdXRob3JpdHkgMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMtg1/9moUHN0vqH l4pzq5lN6mc5WqFggEcVToyVsuXPztNXS43O+FZsFVV2B+pG/cgDRWM+cNSrVICxI5y+NyipCf8F XRgPxJiZN7Mg9mZ4F4fCnQ7MSjLnFp2uDo0peQcAIFTcFV9Kltd4tjTTwXS1nem/wHdN6r1ZB+Ba L2w8pQDcNb1lDY9/Mm3yWmpLYgHurDg0WUU2SQXaeMpqbVvAgWsRzNI8qIv4cRrKO+KA3Ra0Z3qL NupOkSk9s1FcragMvp0049ENF4N1xDkesJQLEvHVaY4l9Lg9K7/AjsMeO6W/VRCrKq4Xl14zzsjz 9AkH4wKGMUZrAcUQDBHHWekCAwEAAaOCAXQwggFwMA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQU k+PYMiba1fFKpZFK4OpL4qIMz+EwHwYDVR0jBBgwFoAUv1kgNgB5oKAia4zV8mHSuCzLgkowEgYD VR0TAQH/BAgwBgEB/wIBAjAzBgNVHSAELDAqMA8GDSsGAQQBga0hgiwBAQQwDQYLKwYBBAGBrSGC LB4wCAYGZ4EMAQICMEwGA1UdHwRFMEMwQaA/oD2GO2h0dHA6Ly9wa2kwMzM2LnRlbGVzZWMuZGUv cmwvVGVsZVNlY19HbG9iYWxSb290X0NsYXNzXzIuY3JsMIGGBggrBgEFBQcBAQR6MHgwLAYIKwYB BQUHMAGGIGh0dHA6Ly9vY3NwMDMzNi50ZWxlc2VjLmRlL29jc3ByMEgGCCsGAQUFBzAChjxodHRw Oi8vcGtpMDMzNi50ZWxlc2VjLmRlL2NydC9UZWxlU2VjX0dsb2JhbFJvb3RfQ2xhc3NfMi5jZXIw DQYJKoZIhvcNAQELBQADggEBAIcL/z4Cm2XIVi3WO5qYi3FP2ropqiH5Ri71sqQPrhE4eTizDnS6 dl2e6BiClmLbTDPo3flq3zK9LExHYFV/53RrtCyD2HlrtrdNUAtmB7Xts5et6u5/MOaZ/SLick0+ hFvu+c+Z6n/XUjkurJgARH5pO7917tALOxrN5fcPImxHhPalR6D90Bo0fa3SPXez7vTXTf/D6OWS T1k+kEcQSrCFWMBvf/iu7QhCnh7U3xQuTY+8npTD5+32GPg8SecmqKc22CzeIs2LgtjZeOJVEqM7 h0S2EQvVDFKvaYwPBt/QolOLV5h7z/0HJPT8vcP9SpIClxvyt7bPZYoaorVyGTkwggWsMIIElKAD AgECAgcbY7rQHiw9MA0GCSqGSIb3DQEBCwUAMIGVMQswCQYDVQQGEwJERTFFMEMGA1UEChM8VmVy ZWluIHp1ciBGb2VyZGVydW5nIGVpbmVzIERldXRzY2hlbiBGb3JzY2h1bmdzbmV0emVzIGUuIFYu MRAwDgYDVQQLEwdERk4tUEtJMS0wKwYDVQQDEyRERk4tVmVyZWluIENlcnRpZmljYXRpb24gQXV0 aG9yaXR5IDIwHhcNMTYwNTI0MTEzODQwWhcNMzEwMjIyMjM1OTU5WjCBjTELMAkGA1UEBhMCREUx RTBDBgNVBAoMPFZlcmVpbiB6dXIgRm9lcmRlcnVuZyBlaW5lcyBEZXV0c2NoZW4gRm9yc2NodW5n c25ldHplcyBlLiBWLjEQMA4GA1UECwwHREZOLVBLSTElMCMGA1UEAwwcREZOLVZlcmVpbiBHbG9i YWwgSXNzdWluZyBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAJ07eRxH3h+Gy8Zp 1xCeOdfZojDbchwFfylfS2jxrRnWTOFrG7ELf6Gr4HuLi9gtzm6IOhDuV+UefwRRNuu6cG1joL6W LkDh0YNMZj0cZGnlm6Stcq5oOVGHecwX064vXWNxSzl660Knl5BpBb+Q/6RAcL0D57+eGIgfn5mI TQ5HjUhfZZkQ0tkqSe3BuS0dnxLLFdM/fx5ULzquk1enfnjK1UriGuXtQX1TX8izKvWKMKztFwUk P7agCwf9TRqaA1KgNpzeJIdl5Of6x5ZzJBTN0OgbaJ4YWa52fvfRCng8h0uwN89Tyjo4EPPLR22M ZD08WkVKusqAfLjz56dMTM0CAwEAAaOCAgUwggIBMBIGA1UdEwEB/wQIMAYBAf8CAQEwDgYDVR0P AQH/BAQDAgEGMCkGA1UdIAQiMCAwDQYLKwYBBAGBrSGCLB4wDwYNKwYBBAGBrSGCLAEBBDAdBgNV HQ4EFgQUazqYi/nyU4na4K2yMh4JH+iqO3QwHwYDVR0jBBgwFoAUk+PYMiba1fFKpZFK4OpL4qIM z+EwgY8GA1UdHwSBhzCBhDBAoD6gPIY6aHR0cDovL2NkcDEucGNhLmRmbi5kZS9nbG9iYWwtcm9v dC1nMi1jYS9wdWIvY3JsL2NhY3JsLmNybDBAoD6gPIY6aHR0cDovL2NkcDIucGNhLmRmbi5kZS9n bG9iYWwtcm9vdC1nMi1jYS9wdWIvY3JsL2NhY3JsLmNybDCB3QYIKwYBBQUHAQEEgdAwgc0wMwYI KwYBBQUHMAGGJ2h0dHA6Ly9vY3NwLnBjYS5kZm4uZGUvT0NTUC1TZXJ2ZXIvT0NTUDBKBggrBgEF BQcwAoY+aHR0cDovL2NkcDEucGNhLmRmbi5kZS9nbG9iYWwtcm9vdC1nMi1jYS9wdWIvY2FjZXJ0 L2NhY2VydC5jcnQwSgYIKwYBBQUHMAKGPmh0dHA6Ly9jZHAyLnBjYS5kZm4uZGUvZ2xvYmFsLXJv b3QtZzItY2EvcHViL2NhY2VydC9jYWNlcnQuY3J0MA0GCSqGSIb3DQEBCwUAA4IBAQCBeEWkTqR/ DlXwCbFqPnjMaDWpHPOVnj/z+N9rOHeJLI21rT7H8pTNoAauusyosa0zCLYkhmI2THhuUPDVbmCN T1IxQ5dGdfBi5G5mUcFCMWdQ5UnnOR7Ln8qGSN4IFP8VSytmm6A4nwDO/afr0X9XLchMX9wQEZc+ lgQCXISoKTlslPwQkgZ7nu7YRrQbtQMMONncsKk/cQYLsgMHM8KNSGMlJTx6e1du94oFOO+4oK4v 9NsH1VuEGMGpuEvObJAaguS5Pfp38dIfMwK/U+d2+dwmJUFvL6Yb+qQTkPp8ftkLYF3sv8pBoGH7 EUkp2KgtdRXYShjqFu9VNCIaE40GMIIFxTCCBK2gAwIBAgIMITwlCcbKdKftcTO4MA0GCSqGSIb3 DQEBCwUAMIGNMQswCQYDVQQGEwJERTFFMEMGA1UECgw8VmVyZWluIHp1ciBGb2VyZGVydW5nIGVp bmVzIERldXRzY2hlbiBGb3JzY2h1bmdzbmV0emVzIGUuIFYuMRAwDgYDVQQLDAdERk4tUEtJMSUw IwYDVQQDDBxERk4tVmVyZWluIEdsb2JhbCBJc3N1aW5nIENBMB4XDTE5MDcwMzEzMDI1NVoXDTIy MDcwMjEzMDI1NVowWTELMAkGA1UEBhMCREUxFDASBgNVBAoMC1JXVEggQWFjaGVuMRowGAYDVQQL DBFGYWNoZ3J1cHBlIFBoeXNpazEYMBYGA1UEAwwPVG9yc3RlbiBCcm9uZ2VyMIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxIt1wvBlWL2/0G7NCH8mUFfYMKxDGvkhTDYpmB4k+6GtNT9l 2mka4RjFpNyd/e5l3/ocZ3IhmGKwAaqB6tuIuIfgYP5J1jZ5msb11uHL7Bpx7phFXC6EG0ML3zk0 qcdSibcSHVtxiaI7fl+O1y9XGc0DVXVTWn15uv2SsXNXhVHTGe6Z+wpdCssWV2pi+b4crAAp7K3t 2mUikg/uacH4R8YGoCUPVDitg3U+KUQK8PSFjBU+4FmS9fkXDdu8HeEWQevJqfPdMl4KTkPaR4iz SoP4pagxRsGZ4CsweHt4NvrfDkFxmNuocXs1urmnCgYV9L7iZpkWdFyP6RVfiNae0wIDAQABo4IC VjCCAlIwPgYDVR0gBDcwNTAPBg0rBgEEAYGtIYIsAQEEMBAGDisGAQQBga0hgiwBAQQEMBAGDisG AQQBga0hgiwCAQQEMAkGA1UdEwQCMAAwDgYDVR0PAQH/BAQDAgXgMB0GA1UdJQQWMBQGCCsGAQUF BwMCBggrBgEFBQcDBDAdBgNVHQ4EFgQUNZQD5+pPH0gqw7F8YDbUDcYUuJowHwYDVR0jBBgwFoAU azqYi/nyU4na4K2yMh4JH+iqO3QwKAYDVR0RBCEwH4EdYnJvbmdlckBwaHlzaWsucnd0aC1hYWNo ZW4uZGUwgY0GA1UdHwSBhTCBgjA/oD2gO4Y5aHR0cDovL2NkcDEucGNhLmRmbi5kZS9kZm4tY2Et Z2xvYmFsLWcyL3B1Yi9jcmwvY2FjcmwuY3JsMD+gPaA7hjlodHRwOi8vY2RwMi5wY2EuZGZuLmRl L2Rmbi1jYS1nbG9iYWwtZzIvcHViL2NybC9jYWNybC5jcmwwgdsGCCsGAQUFBwEBBIHOMIHLMDMG CCsGAQUFBzABhidodHRwOi8vb2NzcC5wY2EuZGZuLmRlL09DU1AtU2VydmVyL09DU1AwSQYIKwYB BQUHMAKGPWh0dHA6Ly9jZHAxLnBjYS5kZm4uZGUvZGZuLWNhLWdsb2JhbC1nMi9wdWIvY2FjZXJ0 L2NhY2VydC5jcnQwSQYIKwYBBQUHMAKGPWh0dHA6Ly9jZHAyLnBjYS5kZm4uZGUvZGZuLWNhLWds b2JhbC1nMi9wdWIvY2FjZXJ0L2NhY2VydC5jcnQwDQYJKoZIhvcNAQELBQADggEBAE95rsRSu+9O 2hw2ZEmTXrVZLN52MNXJbOwdXguommCHvIuxkxaNwIUHEF3pVo5Z5UO55oZZaIcFyw2PS9XUhYkN rh4T5Lp6Nqca0b3AfZOBcR16FD3bbUIpPdSQQwkuQCPiXEMam2QjCUfyC3oYja+bmPU2JDiKpunY NJ6/KEp4Yi32U5YEKvkr7ixzl13IKdLoNjO79VCz0iXi9aZ82ixcEli3CXEDxWbo601OTm8abNUX 6QUomu5IDPGAPK65GimsXJbNYN2lhayrgGYKMslQd2ygVm2x5amfrxo1j9I6XvfnnVO1BtJ+e8Cm BPZgGN3+6fE9G6c9IvEhfKUeWZoxggJgMIICXAIBATCBnjCBjTELMAkGA1UEBhMCREUxRTBDBgNV BAoMPFZlcmVpbiB6dXIgRm9lcmRlcnVuZyBlaW5lcyBEZXV0c2NoZW4gRm9yc2NodW5nc25ldHpl cyBlLiBWLjEQMA4GA1UECwwHREZOLVBLSTElMCMGA1UEAwwcREZOLVZlcmVpbiBHbG9iYWwgSXNz dWluZyBDQQIMITwlCcbKdKftcTO4MA0GCWCGSAFlAwQCAQUAoIGTMBgGCSqGSIb3DQEJAzELBgkq hkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTIxMDMwMjEwMDAwNlowKAYJKoZIhvcNAQkPMRswGTAL BglghkgBZQMEAQIwCgYIKoZIhvcNAwcwLwYJKoZIhvcNAQkEMSIEID/3qEv0p/3lXFVBmOTpm1iI JUVcIk9PwX0fC7SQKc6cMA0GCSqGSIb3DQEBAQUABIIBAK+f8J9Psk0fPehNE7CC7z1f3hbFk9c2 boHFMELn/9Lkokj3O/tX2EWnc8sxcTTFrrvsA2nzA2aW9YHRTOBl6NTUDNZLGhVBCg3eR2+qRebi 7GSaBCY01uW4znkJccC6l2bzkFHx/HzVxTuWzuZBVpyHVxQQmPAckRTP/5cOQxhKIv0PK+ePcI+F kESaqn380hz5cmAH7P6nIa4QchmJzfT/nFQ6NCb1nqdidv2oMuGHvCqWums+C6ZFL5GfiNGu6vHv jmYtQV0EaQ1jfR9OyGwNAjqmRSmCcWlvJKA1kh5ZNmqoE/kUWMBMH8xjynXbiLFfDqPb6mC0GjRE pMWatQ4AAAAAAAA= --=-=-=--