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=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 BB9E5C433E3 for ; Tue, 14 Jul 2020 00:03:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 948F421897 for ; Tue, 14 Jul 2020 00:03:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594685030; bh=4pPr2/y8YAMk6RVGxMO6eEw96Gv8CjodrwPyWqn/7iY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=EnJk9neLMpGpGNXLSrBGC2Wo9J+OBpRvabIQw+gzOdtzUGzVq2SAak/cuclqUGa5Z YferuzIq6YTjhVruwrcX1ClFzFvzVUn6H48mRbC+J8AwZnlwgxV0APYGf2n54/iJji 7VkmFB6Xwa2E2N3gYS0vdCjAb2CPeZenpt6SBYs0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726905AbgGNADt (ORCPT ); Mon, 13 Jul 2020 20:03:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:34234 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726150AbgGNADs (ORCPT ); Mon, 13 Jul 2020 20:03:48 -0400 Received: from localhost (unknown [104.132.1.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A928C21883; Tue, 14 Jul 2020 00:03:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594685027; bh=4pPr2/y8YAMk6RVGxMO6eEw96Gv8CjodrwPyWqn/7iY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=VnfHrFUdNDRkhM/bWkMZb6NLfKjAuXUOxdkLzyGc0rwLDnBxDWUj2C0W/wTtvCHbt tlVR6rmLf0hIhla/vgYrSIrtfKQBhDgFB5kL8wRS16bqr0Nvfu98uYErrtB7QWlXrV QD5gvSB62063agESki3dhmqpi41MZKnqNm5fj3tw= Date: Mon, 13 Jul 2020 17:03:47 -0700 From: Jaegeuk Kim To: Nathan Royce Cc: Chao Yu , linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: Re: F2FS Segmentation Fault Message-ID: <20200714000347.GA19314@google.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Nathan, On 07/13, Nathan Royce wrote: > I won't re-format unless I hear something within a few days in case > you want me to try something. > > Preface: There was a notable power outage a couple of nights ago. > When the power returned, everything seemed fine. No issues during > bootup or anything. > Then today, I went to open an application and my system started > schitzing out with programs suddenly closing(/crashing?). > I switched tty and tried to log in but was unable to even be allowed > to enter in my password. > I switched to another and tried logging in as root which succeeded (somehow). > I looked at the journal and saw an entry saying something about > /bin/login not being a valid exec format. > I went to reboot and when it got to fsck part of initramfs, it failed > and I was kicked to root. > I ran fsck and saw a bunch of issues, but I guess nothing could get > resolved enough to let me reboot. > Oh, in case you're wondering, my / (system) is on a 64GB SDHC card. > I just happened to also have an older / system on my mechanical drive > using BTRFS which I could boot to (which I'm on now). > I ran fsck from this older system and it seems I got the same results: > > ***** > Info: Fix the reported corruption. > Info: Force to fix corruption > Info: Segments per section = 1 > Info: Sections per zone = 1 > Info: sector size = 512 > Info: total sectors = 124168159 (60628 MB) > Info: MKFS version > "Linux version 5.1.15.a-1-hardened (builduser@slave-1) (gcc version > 9.1.0 (GCC)) #1 SMP PREEMPT Thu Jun 27 11:33:04 CEST 2019" > Info: FSCK version > from "Linux version 4.19.13-dirty (userName@computerName) (gcc > version 8.2.1 20181127 (GCC)) #2 SMP PREEMPT Mon Dec 31 00:15:50 CST > 2018" > to "Linux version 4.19.13-dirty (userName@computerName) (gcc > version 8.2.1 20181127 (GCC)) #2 SMP PREEMPT Mon Dec 31 00:15:50 CST > 2018" > Info: superblock features = 0 : > Info: superblock encrypt level = 0, salt = 00000000000000000000000000000000 > Info: total FS sectors = 124168152 (60628 MB) > Info: CKPT version = 63f2b4a > Info: checkpoint state = 55 : crc fsck compacted_summary unmount > > NID[0x18eca] is unreachable, blkaddr:0xcf1d9d3c > NID[0x18ecb] is unreachable, blkaddr:0x5db5f91f > NID[0x18ecc] is unreachable, blkaddr:0x4653d > NID[0x18ee3] is unreachable, blkaddr:0x144dc401 > NID[0x18ee4] is unreachable, blkaddr:0x558cfba9 > NID[0x18ee5] is unreachable, blkaddr:0x45553 > NID[0x18f78] is unreachable, blkaddr:0x560555ac > NID[0x18f79] is unreachable, blkaddr:0x58cccb0d > NID[0x18f7a] is unreachable, blkaddr:0x53d84 > NID[0x4d621] is unreachable, blkaddr:0x4fc1d > NID[0x4d622] is unreachable, blkaddr:0x4fc1e > NID[0x7fa32] is unreachable, blkaddr:0x20b0ca3a > NID[0x7fa33] is unreachable, blkaddr:0xf71b60 > [FSCK] Unreachable nat entries [Fail] [0xd] > [FSCK] SIT valid block bitmap checking [Fail] > [FSCK] Hard link checking for regular file [Ok..] [0x4f6] > [FSCK] valid_block_count matching with CP [Fail] [0x736fcb] > [FSCK] valid_node_count matcing with CP (de lookup) [Fail] [0x70327] > [FSCK] valid_node_count matcing with CP (nat lookup) [Ok..] [0x70334] > [FSCK] valid_inode_count matched with CP [Fail] [0x6f09e] > [FSCK] free segment_count matched with CP [Ok..] [0x3bfc] > [FSCK] next block offset is free [Ok..] > [FSCK] fixing SIT types > [FSCK] other corrupted bugs [Fail] > > Do you want to restore lost files into ./lost_found/? [Y/N] Y Could you try to say "N" here to move forward to fix the corrupted metadata? Thanks, > Segmentation fault > ***** > > ***** > Message: Process 3425 (fsck.f2fs) of user 0 dumped core. > > Stack trace of thread 3425: > #0 0x000055f8515739c8 n/a (fsck.f2fs) > #1 0x000055f851575261 n/a (fsck.f2fs) > #2 0x000055f851572c56 n/a (fsck.f2fs) > #3 0x000055f85156a3f0 n/a (fsck.f2fs) > #4 0x00007f51420feee3 __libc_start_main (libc.so.6) > #5 0x000055f85156a95e n/a (fsck.f2fs) > ***** > > So if you want more information or need me to try something, let me > know soon if you would. Otherwise, I'll just be reformatting my card > in a few days. > It just could've been a fluke occurred because of the power outage but > didn't manifest itself until today.