From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([222.73.24.84]:64160 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753814Ab3LSMOz (ORCPT ); Thu, 19 Dec 2013 07:14:55 -0500 Message-ID: <52B2E319.4010706@cn.fujitsu.com> Date: Thu, 19 Dec 2013 20:14:17 +0800 From: Wang Shilong MIME-Version: 1.0 To: Tomasz Chmielewski CC: "linux-btrfs@vger.kernel.org" Subject: Re: kernel BUG at fs/btrfs/relocation.c:1062 References: <20131219210941.1065d1b5@virtall.com> In-Reply-To: <20131219210941.1065d1b5@virtall.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hello Tomasz, This seems a known bug that has been fixed by josef, what is your kernel version? Thanks, Wang On 12/19/2013 08:09 PM, Tomasz Chmielewski wrote: > Got this while running balance. Some other operations were running in parallel (rsync etc.). > > [152727.584641] ------------[ cut here ]------------ > [152727.584723] kernel BUG at fs/btrfs/relocation.c:1062! > [152727.584802] invalid opcode: 0000 [#1] SMP > [152727.584943] Modules linked in: veth ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables x_tables cpufreq_ondemand cpufreq_conservative cpufreq_powersave cpufreq_stats bridge stp llc ipv6 btrfs xor raid6_pq zlib_deflate loop video i2c_i801 i2c_core button acpi_cpufreq pcspkr ehci_pci ehci_hcd lpc_ich mfd_core ext4 crc16 jbd2 mbcache raid1 sg sd_mod r8169 mii ahci libahci libata scsi_mod > [152727.586767] CPU: 3 PID: 1540 Comm: btrfs Tainted: G W 3.13.0-rc4 #1 > [152727.586888] Hardware name: System manufacturer System Product Name/P8H77-M PRO, BIOS 1101 02/04/2013 > [152727.587011] task: ffff8805bedf9710 ti: ffff8805a9d9a000 task.ti: ffff8805a9d9a000 > [152727.587132] RIP: 0010:[] [] build_backref_tree+0xb03/0xe7a [btrfs] > [152727.587300] RSP: 0018:ffff8805a9d9b898 EFLAGS: 00010246 > [152727.587379] RAX: ffff8805a9d9b900 RBX: ffff8805a9d9b920 RCX: ffff88055a72fa10 > [152727.587499] RDX: ffff88055a72ff50 RSI: ffff88055a72ff80 RDI: ffff8807e8878600 > [152727.587619] RBP: ffff8805a9d9b998 R08: ffff8807e8878b80 R09: 0000000000001000 > [152727.587739] R10: 0000000000001000 R11: 0000160000000000 R12: 0000000000000000 > [152727.587859] R13: ffff88055a72ff90 R14: ffff8805a9d9b930 R15: ffff88028e648000 > [152727.587980] FS: 00007fca66eca840(0000) GS:ffff88081fac0000(0000) knlGS:0000000000000000 > [152727.588101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [152727.588180] CR2: 00007fac0ba80000 CR3: 00000007006d9000 CR4: 00000000001407e0 > [152727.588300] Stack: > [152727.588374] ffff8800611992c0 0000000000000000 ffff8806c99dd500 ffff8807e8878600 > [152727.588623] ffff88055a72fde0 ffff8806c99dd240 ffff88028e648124 ffff88028e648124 > [152727.588871] ffff88028e648120 ffff88028e648020 ffff8807ece02c60 ffff8807ece02a20 > [152727.589120] Call Trace: > [152727.589205] [] relocate_tree_blocks+0x1c0/0x544 [btrfs] > [152727.589292] [] ? btrfs_release_path+0x6b/0x8a [btrfs] > [152727.589382] [] relocate_block_group+0x23f/0x4c7 [btrfs] > [152727.589470] [] btrfs_relocate_block_group+0x14e/0x28d [btrfs] > [152727.589598] [] btrfs_relocate_chunk.isra.65+0x58/0x60e [btrfs] > [152727.589727] [] ? btrfs_set_lock_blocking_rw+0x89/0xb2 [btrfs] > [152727.589853] [] ? btrfs_set_path_blocking+0x23/0x54 [btrfs] > [152727.589979] [] ? btrfs_search_slot+0x72f/0x789 [btrfs] > [152727.590068] [] ? free_extent_buffer+0x6f/0x7c [btrfs] > [152727.590157] [] btrfs_balance+0x9fe/0xbe0 [btrfs] > [152727.590245] [] btrfs_ioctl_balance+0x220/0x29f [btrfs] > [152727.590334] [] btrfs_ioctl+0xfce/0x2128 [btrfs] > [152727.590417] [] ? handle_mm_fault+0x24f/0x965 > [152727.590498] [] ? __vm_enough_memory+0x26/0x13d > [152727.590581] [] do_vfs_ioctl+0x3f7/0x441 > [152727.590661] [] SyS_ioctl+0x52/0x80 > [152727.590741] [] system_call_fastpath+0x16/0x1b > [152727.590821] Code: 60 71 fd 49 89 40 50 49 89 40 58 49 8b 40 58 4d 89 68 58 49 83 c0 50 4d 89 45 00 49 89 45 08 4c 89 28 e9 aa 00 00 00 a8 10 75 02 <0f> 0b 83 e0 01 41 39 c4 74 02 0f 0b 45 85 e4 75 32 49 8b 70 18 > [152727.593073] RIP [] build_backref_tree+0xb03/0xe7a [btrfs] > [152727.593194] RSP > [152727.593290] ---[ end trace b67170e8ece9f591 ]--- > >