From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from einhorn.in-berlin.de ([192.109.42.8]:34234 "EHLO einhorn.in-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750773Ab3FXMWc (ORCPT ); Mon, 24 Jun 2013 08:22:32 -0400 Received: from [172.24.1.68] (yian-ho01.nir.cronon.net [192.166.201.94] (may be forged)) (authenticated bits=0) by einhorn.in-berlin.de (8.13.6/8.13.6/Debian-1) with ESMTP id r5OCMURG001221 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Mon, 24 Jun 2013 14:22:30 +0200 Message-ID: <51C83A06.2090309@tuxadero.com> Date: Mon, 24 Jun 2013 14:22:30 +0200 From: Martin Mailand MIME-Version: 1.0 To: linux-btrfs@vger.kernel.org Subject: WARNING: at fs/btrfs/backref.c:903 Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hi, I tried 3.10.0-rc7 with the btrfs option skinny extents (btrfstune -x), I get this warning after a few seconds of ceph workload. -martin [ 1153.897960] ------------[ cut here ]------------ [ 1153.897977] WARNING: at fs/btrfs/backref.c:903 find_parent_nodes+0x107f/0x1090 [btrfs]() [ 1153.897978] Modules linked in: ipmi_devintf ipmi_si ipmi_msghandler btrfs zlib_deflate libcrc32c coretemp kvm_intel kvm ghash_clmulni_intel aesni_intel ablk_helper cryptd lrw gf128mul glue_helper aes_x86_64 bonding microcode psmouse serio_raw lpc_ich joydev ioatdma wmi mac_hid lp parport raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov hid_generic ses usbhid raid6_pq enclosure ixgbe hid async_tx dca e1000e raid1 mpt2sas ptp raid0 scsi_transport_sas pps_core multipath mdio raid_class megaraid_sas linear [ 1153.898004] CPU: 0 PID: 32374 Comm: btrfs-endio-wri Not tainted 3.10.0-rc7+ #8 [ 1153.898005] Hardware name: Supermicro X9SRL-F/X9SRL-F, BIOS 1.0b 09/19/2012 [ 1153.898006] ffffffffa04552ad ffff8807d2d1f9d8 ffffffff81636f29 ffff8807d2d1fa18 [ 1153.898008] ffffffff810404b0 0000000000000000 ffff8804602c04e0 0000000000000000 [ 1153.898010] ffff8808532a4028 dead000000100100 dead000000200200 ffff8807d2d1fa28 [ 1153.898013] Call Trace: [ 1153.898018] [] dump_stack+0x19/0x1b [ 1153.898021] [] warn_slowpath_common+0x70/0xa0 [ 1153.898023] [] warn_slowpath_null+0x1a/0x20 [ 1153.898031] [] find_parent_nodes+0x107f/0x1090 [btrfs] [ 1153.898039] [] ? btrfs_get_token_64+0x64/0xf0 [btrfs] [ 1153.898047] [] btrfs_find_all_roots+0x99/0x100 [btrfs] [ 1153.898054] [] ? btrfs_submit_direct+0x6b0/0x6b0 [btrfs] [ 1153.898060] [] ? btrfs_submit_direct+0x6b0/0x6b0 [btrfs] [ 1153.898067] [] iterate_extent_inodes+0x135/0x250 [btrfs] [ 1153.898074] [] iterate_inodes_from_logical+0x92/0xb0 [btrfs] [ 1153.898080] [] ? btrfs_submit_direct+0x6b0/0x6b0 [btrfs] [ 1153.898086] [] record_extent_backrefs+0x78/0xf0 [btrfs] [ 1153.898093] [] btrfs_finish_ordered_io+0x156/0x9c0 [btrfs] [ 1153.898097] [] ? del_timer_sync+0x5a/0x70 [ 1153.898103] [] finish_ordered_fn+0x15/0x20 [btrfs] [ 1153.898110] [] worker_loop+0x14a/0x520 [btrfs] [ 1153.898117] [] ? btrfs_queue_worker+0x300/0x300 [btrfs] [ 1153.898121] [] kthread+0xc0/0xd0 [ 1153.898123] [] ? flush_kthread_worker+0xb0/0xb0 [ 1153.898126] [] ret_from_fork+0x7c/0xb0 [ 1153.898128] [] ? flush_kthread_worker+0xb0/0xb0 [ 1153.898130] ---[ end trace 9ea90caaae31fcaa ]--- [ 1153.898148] ------------[ cut here ]------------