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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 AC7D5C43381 for ; Wed, 20 Mar 2019 00:59:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7B9F52175B for ; Wed, 20 Mar 2019 00:59:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727304AbfCTA7c (ORCPT ); Tue, 19 Mar 2019 20:59:32 -0400 Received: from mailgw-02.dd24.net ([193.46.215.43]:49758 "EHLO mailgw-02.dd24.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726801AbfCTA7c (ORCPT ); Tue, 19 Mar 2019 20:59:32 -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 6C2555FD14 for ; Wed, 20 Mar 2019 00:59:30 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mailpolicy-02.live.igb.homer.key-systems.net Received: from smtp.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 l3yR-w0Y8xOZ for ; Wed, 20 Mar 2019 00:59:28 +0000 (UTC) Received: from heisenberg.fritz.box (ppp-82-135-82-31.dynamic.mnet-online.de [82.135.82.31]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.dd24.net (Postfix) with ESMTPSA for ; Wed, 20 Mar 2019 00:59:28 +0000 (UTC) Message-ID: Subject: Re: delayed_refs has NO entry / btrfs_update_root:136: Aborting unused transaction(No space left). From: Christoph Anton Mitterer To: linux-btrfs Date: Wed, 20 Mar 2019 01:59:26 +0100 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.30.5-1 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Archived-At: List-Archive: List-Post: Anything I should do with respect to this? I.e. is further debug info needed for an interested developer? or can I simply scrap that particular image (which is not an important one)? Cheers, Chris. On Sun, 2019-03-17 at 04:42 +0100, Christoph Anton Mitterer wrote: > (resending,... seems this hasn't gotten through to the list, when > I've > sent it the first time) > > > Hi. > > On Debian's 4.19.28-2 kernel (which includes the recent read- > corruption > on compression fix) the following happens: > > As a consequence of the bug from the "Reproducer for "compressed data > + > hole data corruption bug, 2018 edition" still works on 4.20.7" mail > thread I started (trying) to verify whether any of my data was > affected. > > Part of this was looking for files which actually are compressed by > the > two methods Zygo mentioned (compsize and filefrag -v). > > For this I used two scripts like the attached ones (yes I know, bad > performance) being fed by find path -type f -exec script {} \; . > > > I've did this already on one of my disks, which I btrfs checked > before > (both normal and lowmem mode with no error), blockdev --setro'ed the > device and mounted it ro. > > The filefrag seems to cause all kinds of errors and call traces, > giving > the dmesg output attached. > > > Any ideas what causes that? > > > These days I unfortunately strongly loose trust in the stability and > integrity of btrfs :-( > > > Cheers, > Chris.