From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.virtall.com ([178.63.195.102]:59233 "EHLO mail.virtall.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759982AbcHEPpQ (ORCPT ); Fri, 5 Aug 2016 11:45:16 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Date: Sat, 06 Aug 2016 00:45:13 +0900 From: Tomasz Chmielewski To: Chris Mason Cc: linux-btrfs Subject: Re: Input/output error, nothing appended in dmesg In-Reply-To: References: <9fdb317f-9209-d1a7-3e1e-7ab4f5b09c8d@fb.com> <98e070f7-2787-9df4-c1b8-ae8005c039ec@fb.com> Message-ID: Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 2016-08-06 00:38, Tomasz Chmielewski wrote: >> Too big for the known problem though. Still, can you btrfs-debug-tree >> and just make sure it doesn't have inline items? > > Hmmm.... > > # btrfs-debug-tree /dev/xvdb > /root/debug.tree > parent transid verify failed on 355229302784 wanted 49943295 found > 49943301 > parent transid verify failed on 355229302784 wanted 49943295 found > 49943301 > Ignoring transid failure > parent transid verify failed on 355233251328 wanted 49943299 found > 49943303 > parent transid verify failed on 355233251328 wanted 49943299 found > 49943303 > Ignoring transid failure > print-tree.c:1105: btrfs_print_tree: Assertion failed. > btrfs-debug-tree[0x418d99] > btrfs-debug-tree(btrfs_print_tree+0x26a)[0x41acf6] > btrfs-debug-tree(main+0x9a5)[0x432589] > /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)[0x7f2369de0f45] > btrfs-debug-tree[0x4070e9] And, miracle cure O_o # file ./2016-08-02/serverX/syslog.log ERROR: cannot read `./2016-08-02/serverX/syslog.log' (Input/output error) # echo 3 > /proc/sys/vm/drop_caches # file 2016-08-02/serverX/syslog.log 2016-08-02/serverX/syslog.log: ASCII text, with very long lines # cat 2016-08-02/serverX/syslog.log (...) Tomasz Chmielewski https://lxadm.com