From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net ([212.227.15.19]:54028 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752442AbdCEXxq (ORCPT ); Sun, 5 Mar 2017 18:53:46 -0500 Received: from thetick.localnet ([93.181.44.247]) by mail.gmx.com (mrgmx003 [212.227.17.190]) with ESMTPSA (Nemesis) id 0MH0eg-1cY0nc1Uuo-00Dkkr for ; Mon, 06 Mar 2017 00:53:42 +0100 From: Marc Joliet To: linux-btrfs@vger.kernel.org Subject: Re: [4.7.2] btrfs_run_delayed_refs:2963: errno=-17 Object already exists Date: Mon, 06 Mar 2017 00:53:40 +0100 Message-ID: <2713353.CA3Dyp7XXF@thetick> In-Reply-To: <14737660.8idzxVKBRv@thetick> References: <20160828152908.6e1325b5@jupiter.sol.kaishome.de> <63cf74bb-009a-b422-4390-7562395db31d@cn.fujitsu.com> <14737660.8idzxVKBRv@thetick> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart27084655.57BtrpTxDt"; micalg="pgp-sha256"; protocol="application/pgp-signature" Sender: linux-btrfs-owner@vger.kernel.org List-ID: --nextPart27084655.57BtrpTxDt Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" On Mittwoch, 1. M=E4rz 2017 19:14:07 CET you wrote: > In any > case, I started btrfs-check on the device itself. *Sigh*, I had to restart it, because I forgot to redirect to a file and qui= te=20 frankly wasn't expecting this flood of output, but here's a summary of the= =20 output after about 2 days: % wc -l btrfs_check_output_20170303.log=20 1360252 btrfs_check_output_20170303.log % grep -v "backref lost" btrfs_check_output_20170303.log | grep -v "check \ (leaf\|node\) failed" | grep -v "lost its parent" | grep -v "referencer cou= nt"=20 checking extents ERROR: block group[3879328546816 1073741824] used 1072840704 but extent ite= ms=20 used 1129164800 ERROR: block group[4163870130176 1073741824] used 1072259072 but extent ite= ms=20 used 0 ERROR: block group[4223999672320 1073741824] used 1073664000 but extent ite= ms=20 used 1074188288 ERROR: block group[4278760505344 1073741824] used 1073377280 but extent ite= ms=20 used 1073901568 ERROR: block group[4406535782400 1073741824] used 1073627136 but extent ite= ms=20 used 0 ERROR: extent [3830028140544 4096] referencer bytenr mismatch, wanted:=20 3830028140544, have: 3826183847936 % tail btrfs_check_output_20170303.log=20 ERROR: data extent[3924538445824 4096] backref lost ERROR: data extent[3933464903680 4096] backref lost ERROR: data extent[3924538531840 4096] backref lost ERROR: data extent[3839131480064 4096] backref lost ERROR: data extent[3834701750272 4096] backref lost ERROR: data extent[3873087918080 4096] backref lost ERROR: data extent[3873072283648 4096] backref lost ERROR: data extent[3873088090112 8192] backref lost ERROR: data extent[3873072287744 4096] backref lost ERROR: data extent[3856294449152 4096] backref lost That's right, slowly approaching 1.5 million lines of btrfs-check output! = =20 That's *way* more than I ran it the last time this error happened a few wee= ks=20 ago. Greetings =2D-=20 Marc Joliet =2D- "People who think they know everything really annoy those of us who know we don't" - Bjarne Stroustrup --nextPart27084655.57BtrpTxDt Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEax7Ya5gDQFOJHKGQv9DmhiyIePQFAli8pQQACgkQv9DmhiyI ePTgVxAApZVIOyq7VZqI1fWHz0oqqlgYinASWeriENryEQiOcRAtrax6qOKDCpo7 +sH/p+23IOHa+2G7wZl+ZqB7yjTkGDqsABNy8Mj23/4WbcJka/UxysJp1uZrzxpE 8yAe2YvE9lANaxWDmok+BJGTYw6wVgKeTF2RB45ATZoQ5TfB9vZBfOanvZCfj1Dv zrvQ9nlFfpS7/Yqv/l9wFCrNLct/Disj4z489ID4TDAJBqfV+IKpL+JjXoOHrIwU 1anUXsXrTBFg1V3JHdEu4JdkbFhvonVUDN5uMasVgSl5ZsgsDK8m4+SZQjHig9vC VwV2cxQ4a4G4i1yyF3synqqs4cynfdNj1t2FhDqD0Otfug+gWCYF6MjcAY5spw1g T2UOZz2DK7t9/VyYaEQhejbnBw3GQVpO/M0AI1qBQ1R2BgE6m4In9dfcbZ0ztENS YYO1SRN/BK7JLsqKTz6RHJpqu76GMmCCBILlUnut4Y2Tr/t3aesSczzBqmyZmPcW RUeD6cWe06fwhZvvm4848ju7dKs5guJ7Q6zEe3JpdvOqWWqCH3nSqz21rjpm5Uju P0zfEssRPkxS23XLRtTpgTV0w1nEUPUzlNXYzAdeKqaAunIO54jI4C3TRb+BSyFO ti7IKJ7tRm7m+0+sxIo++FprjSci24wQCJFdvDxYw8jp8ylU0rA= =+hxW -----END PGP SIGNATURE----- --nextPart27084655.57BtrpTxDt--