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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED autolearn=ham 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 2C18CC282C4 for ; Tue, 12 Feb 2019 23:50:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C882420869 for ; Tue, 12 Feb 2019 23:50:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=seblu.net header.i=@seblu.net header.b="UnNOjLkp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731394AbfBLXun (ORCPT ); Tue, 12 Feb 2019 18:50:43 -0500 Received: from mail.seblu.net ([212.129.28.29]:57668 "EHLO mail.seblu.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728445AbfBLXun (ORCPT ); Tue, 12 Feb 2019 18:50:43 -0500 Received: from localhost (localhost [IPv6:::1]) by mail.seblu.net (Postfix) with ESMTP id C34A952FBAB2; Wed, 13 Feb 2019 00:50:40 +0100 (CET) Received: from mail.seblu.net ([IPv6:::1]) by localhost (mail.seblu.net [IPv6:::1]) (amavisd-new, port 10032) with ESMTP id Wmhxvg3B6HZo; Wed, 13 Feb 2019 00:50:40 +0100 (CET) Received: from localhost (localhost [IPv6:::1]) by mail.seblu.net (Postfix) with ESMTP id 34BF652FBABA; Wed, 13 Feb 2019 00:50:40 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.seblu.net 34BF652FBABA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=seblu.net; s=pipa; t=1550015440; bh=IjZcVwv5XnLD+siMTHy8g/zW4HyDIRGKue4tTvJNfRY=; h=Message-ID:From:To:Date:Mime-Version; b=UnNOjLkp5AlY/+IzzFhtDqOtnwnUxUxSp99T3UhrgQUxka3U6/wqeIckz7fxl5JvK JmyVt9mjLqSAWCAgihwRck6k70GmHyH6ddc89COfrwBxZMAZeLu5ki30ItTof/x4Gt OmRBWcAV+/LaFjeEt6mmwh3yu9B3li/x4wt3uSiSi/qABR+Xp3AnQwHZxFEAfrZIc6 jvuNA2GMSyISduHGvd2CDFXU63fm8YqljqhQ1U97SV8tQClwdEmugB0UE0twqg71Fa Y5pRaJJv0GsCNP2ShvvqZmTtu0o08eJwOSDWUbgTq5DZ6AVibNsN4l35fFCVtYqby8 HuvY9X4XlaSPQ== X-Virus-Scanned: amavisd-new at seblu.net Received: from mail.seblu.net ([IPv6:::1]) by localhost (mail.seblu.net [IPv6:::1]) (amavisd-new, port 10026) with ESMTP id jBXFtjAUYSJe; Wed, 13 Feb 2019 00:50:40 +0100 (CET) Received: from dolores (amontsouris-684-1-71-1.w90-87.abo.wanadoo.fr [90.87.54.1]) by mail.seblu.net (Postfix) with ESMTPSA id 0EBF552FBAB2; Wed, 13 Feb 2019 00:50:39 +0100 (CET) Message-ID: Subject: Re: Corrupted filesystem, looking for guidance From: =?ISO-8859-1?Q?S=E9bastien?= Luttringer To: Artem Mygaiev Cc: linux-btrfs Date: Wed, 13 Feb 2019 00:50:39 +0100 In-Reply-To: References: <7ef0e91501a04cd4c5e0d942db638a0b50ef3ec3.camel@seblu.net> Content-Type: multipart/signed; micalg="pgp-sha384"; protocol="application/pgp-signature"; boundary="=-s+Csd+qKC7AkDNaZ0b7r" X-Mailer: Evolution 3.28.5 Mime-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org --=-s+Csd+qKC7AkDNaZ0b7r Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2019-02-12 at 14:31 +0200, Artem Mygaiev wrote: > Have same issue (RAID5 over 4 disks): > https://marc.info/?l=3Dlinux-btrfs&m=3D154815802313248&w=3D2 >=20 > Having perfectly healthy HDDs it seem to be caused by some bit flips > in SDRAM which is non-ECC in my case, unfortunately. Tried --repair, > didn't helped, same for --init-csum-tree. Now using fs in ro mode > (data is fully available), preparing for total rebuild. >=20 > -- Artem >=20 Thanks for sharing your misadventure. I'm a step ahead from you, as this is= sue is on my rebuilt btrfs filesystem. =F0=9F=98=8E What make you think it could be RAM bit flips? Regards, S=C3=A9bastien "Seblu" Luttringer --=-s+Csd+qKC7AkDNaZ0b7r Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQIrBAABCQAdFiEEVyJOyaX8pvvJK7iqShr8NF6+GPgFAlxjW88ACgkQShr8NF6+ GPhbUg+/Quh6ZZRtqvrBIyJ8PSUaO+ZgtszGm/o7zzL/1w0g2f12spTAjnZa1oW/ NpZwSDFoe1308WmEs87CNX9DJewag6wFzpMMwB0bt0QtQ7tWDWWnUKQd2rlg/ohW 1RGZQBMWuYYew6WX1YfZ4daCeAaMEjL18K8nmDXWqL4xhqczRMjkohXDu6DqowaH Ti1uO8bnEHbEEc3RB4Hxb8jLOf7qMHe0YQ2iqJJmJyYTmNDWNzHP9vmRAXSC+lyi M6pVAHiyl4DVQsM0tFXKd93WPca/4csv4hkEDQxkMrE0uex+yH/4AlE/cfmC5b5l xM3Cgnq24FmA8AwlcXTua7U4/BSm/LXlN3LveYCSUP2uazns0/dN2xpV/A3gUl4C /CpmCwkORrakef51EXT8mcaqxNeJGZBKMStb4x401/tQ8LsGRT6neqMCM8dM/wWQ AUtCrlQlUXUqlL4EOh03bBsyI9zITFLAPRnLUs0iTZBi15aJoHtqC7loCDkNLEYu 11rYqPzUiecavtu+OqrSmc3+X8DyB4ikVZ8ft+mwat6/LF2B5/DjiIvwIaOXS4yu UdTyNZhxLgtqXrZSgNIKN2WCUj4+cT8MKmWCQkZbaQa5NsncamdQCfwp+OF2wEWP Y3FwAJPjtdodQN+IMnBmx/3J8UMvHprHhrDhFV0V =Bevy -----END PGP SIGNATURE----- --=-s+Csd+qKC7AkDNaZ0b7r--