From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from userp1040.oracle.com ([156.151.31.81]:36119 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752483AbaI2ON4 (ORCPT ); Mon, 29 Sep 2014 10:13:56 -0400 Date: Mon, 29 Sep 2014 22:13:43 +0800 From: Liu Bo To: Olivier Bonvalet Cc: linux-btrfs Subject: Re: kernel BUG at fs/btrfs/relocation.c:1065 in 3.14.16 to 3.17-rc3 Message-ID: <20140929141342.GB31870@localhost.localdomain> Reply-To: bo.li.liu@oracle.com References: <1409745869.21602.21.camel@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1409745869.21602.21.camel@localhost> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Wed, Sep 03, 2014 at 02:04:29PM +0200, Olivier Bonvalet wrote: > Hi, > > I have a btrfs partition which throw kernel BUG, even with linux > 3.17-rc3 (I tried 3.14.16, 3.16.1 and 3.17-rc3 kernels) : > > [ 45.058466] ------------[ cut here ]------------ > [ 45.058539] kernel BUG at fs/btrfs/relocation.c:1065! > [ 45.058578] invalid opcode: 0000 [#1] SMP > [ 45.058655] Modules linked in: nf_conntrack iTCO_wdt iTCO_vendor_support i2c_i801 lpc_ich ehci_pci i2ccore ehci_hcd mfd_core evdev battery ie31200_edac edac_core video button btrfs xor raid6_pq dm_mod raid1 md_mod sg sd_mod crc_t10dif crct10dif_common thermal ahci libahci libata scsi_mod xhci_hcd e1000e fan ptp pps_core > [ 45.059500] CPU: 2 PID: 1740 Comm: btrfs-balance Not tainted 3.17-rc3-dae-intel #1 > [ 45.059550] Hardware name: Digicube sas DediCube/DQ77MK, BIOS MKQ7710H.86A.0058.2013.0226.1541 02/26/2013 > [ 45.059602] task: ffff8802151c17e0 ti: ffff8802105ec000 task.ti: ffff8802105ec000 > [ 45.059652] RIP: 0010:[] [] build_backref_tree+0xa3d/0xcf6 [btrfs] > [ 45.059739] RSP: 0018:ffff8802105efaf0 EFLAGS: 00010246 > [ 45.059776] RAX: ffff8802105efb00 RBX: ffff880213b83800 RCX: ffff880210565d10 > [ 45.059816] RDX: ffff8802105efb68 RSI: ffff8802105efb68 RDI: ffff880210565d10 > [ 45.059857] RBP: ffff880210565d10 R08: ffff88021313fc40 R09: 0000000000001000 > [ 45.059896] R10: 0000160000000000 R11: 6db6db6db6db6db7 R12: ffff8800d114d310 > [ 45.059937] R13: ffff8802105efb78 R14: ffff8800d114d2c0 R15: ffff88021313fc40 > [ 45.059977] FS: 0000000000000000(0000) GS:ffff88021e280000(0000) knlGS:0000000000000000 > [ 45.060028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 45.060066] CR2: 00007f2fc9c649b8 CR3: 0000000001611000 CR4: 00000000001407e0 > [ 45.060105] Stack: > [ 45.060138] ffff88021d5fc890 ffff88021417d890 0000000000000000 ffff8802105efb68 > [ 45.060264] 0000000100000005 ffff880213b83920 ffff8802105efb78 00ffffffa015ecd1 > [ 45.060392] ffff8800d114d400 ffff8800d114d240 ffff880210464220 ffff880210565d40 > [ 45.060516] Call Trace: > [ 45.060556] [] ? relocate_tree_blocks+0x15f/0x430 [btrfs] > [ 45.060607] [] ? tree_insert+0x44/0x47 [btrfs] > [ 45.060656] [] ? add_tree_block+0x112/0x13c [btrfs] > [ 45.060702] [] ? relocate_block_group+0x26d/0x4a6 [btrfs] > [ 45.060753] [] ? btrfs_wait_ordered_roots+0x18f/0x1ab [btrfs] > [ 45.060812] [] ? btrfs_relocate_block_group+0x154/0x265 [btrfs] > [ 45.060872] [] ? btrfs_relocate_chunk.isra.29+0x52/0x55d [btrfs] > [ 45.060932] [] ? btrfs_set_lock_blocking_rw+0xa8/0xaa [btrfs] > [ 45.060988] [] ? btrfs_item_key_to_cpu+0x12/0x30 [btrfs] > [ 45.061039] [] ? btrfs_get_token_64+0x75/0xcf [btrfs] > [ 45.061088] [] ? release_extent_buffer+0x26/0x96 [btrfs] > [ 45.061170] [] ? btrfs_balance+0x9e3/0xb78 [btrfs] > [ 45.061263] [] ? btrfs_balance+0xb78/0xb78 [btrfs] > [ 45.061314] [] ? balance_kthread+0x4f/0x6d [btrfs] > [ 45.061360] [] ? kthread+0xa7/0xaf > [ 45.061420] [] ? SyS_old_getrlimit+0x21/0xcb > [ 45.061460] [] ? __kthread_parkme+0x5b/0x5b > [ 45.061501] [] ? ret_from_fork+0x7c/0xb0 > [ 45.061541] [] ? __kthread_parkme+0x5b/0x5b > [ 45.061579] Code: 26 a8 02 74 0d 4c 89 e7 e8 3c e1 ff ff 41 80 66 71 fd 49 8b 46 58 49 89 6e 58 4c 89 65 00 48 89 45 08 48 89 28 eb c0 a8 10 75 02 <0f> 0b 83 e0 01 39 44 24 10 0f 84 20 ff ff ff 0f 0b 49 8b 46 58 > [ 45.063148] RIP [] build_backref_tree+0xa3d/0xcf6 [btrfs] > [ 45.063219] RSP > [ 45.063260] ---[ end trace c396e96e4d1a5697 ]--- > > I have dump the FS with btrfs-image, but don't know where to push that. > So you can download it at : https://daevel.fr/img/btrfs-image.out > (near 6GB, md5sum ee5559ab31368aba60c259ce3b5b9504) Would you please try this patch? https://patchwork.kernel.org/patch/4939761/ thanks, -liubo