From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mailgw-02.dd24.net ([193.46.215.43]:49827 "EHLO mailgw-02.dd24.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753046AbdIDAbb (ORCPT ); Sun, 3 Sep 2017 20:31:31 -0400 Received: from mailpolicy-01.live.igb.homer.key-systems.net (mailpolicy-02.live.igb.homer.key-systems.net [192.168.1.27]) by mailgw-02.dd24.net (Postfix) with ESMTP id 61AD25FE3C for ; Mon, 4 Sep 2017 00:31:30 +0000 (UTC) Received: from mailgw-02.dd24.net ([192.168.1.36]) by mailpolicy-01.live.igb.homer.key-systems.net (mailpolicy-02.live.igb.homer.key-systems.net [192.168.1.25]) (amavisd-new, port 10236) with ESMTP id 3F1nN7o8OZWZ for ; Mon, 4 Sep 2017 00:31:24 +0000 (UTC) Received: from schliemann.scientia.net (p57B04EBD.dip0.t-ipconnect.de [87.176.78.189]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mailgw-02.dd24.net (Postfix) with ESMTPSA for ; Mon, 4 Sep 2017 00:31:23 +0000 (UTC) Message-ID: <1504485081.5569.2.camel@scientia.net> Subject: block group 11778977169408 has wrong amount of free space From: Christoph Anton Mitterer To: linux-btrfs@vger.kernel.org Date: Mon, 04 Sep 2017 02:31:21 +0200 Content-Type: multipart/signed; micalg="sha-512"; protocol="application/x-pkcs7-signature"; boundary="=-iwDBkBYKeYTJSU7N0orc" Mime-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org List-ID: --=-iwDBkBYKeYTJSU7N0orc Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hey. Just got the following: $ uname -a Linux heisenberg 4.12.0-1-amd64 #1 SMP Debian 4.12.6-1 (2017-08-12) x86_64 GNU/Linux $ btrfs version btrfs-progs v4.12 on a filesystem: # btrfs check /dev/mapper/data-a2 ; echo $? Checking filesystem on /dev/mapper/data-a2 UUID: f8acb432-7604-46ba-b3ad-0abe8e92c4db checking extents checking free space cache block group 11778977169408 has wrong amount of free space failed to load free space cache for block group 11778977169408 checking fs roots checking csums checking root refs found 4404625739776 bytes used, no error found total csum bytes: 4293007908 total tree bytes: 7511900160 total fs tree bytes: 1856258048 total extent tree bytes: 1097859072 btree space waste bytes: 887753954 file data blocks allocated: 4397113839616 referenced 4515055988736 0 Any idea what could cause these free space issues and how to clean them up? Thought that should work with recent kernels.... could that mean some data will be corrupted when I do e.g. mount with clean_cache? Interestingly, $? is still 0... even though errors were found. And kernel log shows nothing. Cheers, Chris. --=-iwDBkBYKeYTJSU7N0orc Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgMFADCABgkqhkiG9w0BBwEAAKCCEmow ggXiMIIDyqADAgECAhBctkhuRwyYxn/2gNtkSuKNMA0GCSqGSIb3DQEBCwUAMH0xCzAJBgNVBAYT AklMMRYwFAYDVQQKEw1TdGFydENvbSBMdGQuMSswKQYDVQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0 aWZpY2F0ZSBTaWduaW5nMSkwJwYDVQQDEyBTdGFydENvbSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0 eTAeFw0xNTEyMTYwMTAwMDVaFw0zMDEyMTYwMTAwMDVaMHUxCzAJBgNVBAYTAklMMRYwFAYDVQQK Ew1TdGFydENvbSBMdGQuMSkwJwYDVQQLEyBTdGFydENvbSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0 eTEjMCEGA1UEAxMaU3RhcnRDb20gQ2xhc3MgMiBDbGllbnQgQ0EwggEiMA0GCSqGSIb3DQEBAQUA A4IBDwAwggEKAoIBAQDuD1CMlQkjhKz1UGqP1jeiTiH9MgllRz6vOPrVG/eE0H/J4QQLV/PeL8RT 4xc44bEzsoJu0IhwnEchb+TxE/qw88w7hxODuw3N8Faxix6a1jp83+RWvZHZf78+O+3GYBpekZfT Oe9A/FoTXbcgwZfLTMQodn+ckNnX31M/1M2f2/7VA7QBlvihontyHQOlIlryQXnGI0UMCD21oopK 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