From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.virtall.com ([178.63.195.102]:50127 "EHLO mail.virtall.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753581AbaJCWGk (ORCPT ); Fri, 3 Oct 2014 18:06:40 -0400 To: Josef Bacik Subject: Re: 3.17.0-rc7: kernel BUG at fs/btrfs/relocation.c:931! MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Date: Sat, 04 Oct 2014 00:06:37 +0200 From: Tomasz Chmielewski Cc: linux-btrfs In-Reply-To: <542EE83D.8050701@fb.com> References: <542EE83D.8050701@fb.com> Message-ID: <999a300ed462a1e1388aee4d6f03a30e@admin.virtall.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 2014-10-03 20:17 (Fri), Josef Bacik wrote: > On 10/02/2014 03:27 AM, Tomasz Chmielewski wrote: >> Got this when running balance with 3.17.0-rc7: >> > > Give these two patches a try > > https://patchwork.kernel.org/patch/4938281/ > https://patchwork.kernel.org/patch/4939761/ With these two patches applied on top of 3.13-rc7, it BUGs somewhere else now: [ 2030.858792] BTRFS info (device sdd1): relocating block group 6469424513024 flags 17 [ 2039.674077] BTRFS info (device sdd1): found 20937 extents [ 2066.726661] BTRFS info (device sdd1): found 20937 extents [ 2068.048208] BTRFS info (device sdd1): relocating block group 6468350771200 flags 17 [ 2080.796412] BTRFS info (device sdd1): found 46927 extents [ 2092.703850] parent transid verify failed on 5568935395328 wanted 70315 found 71183 [ 2092.714622] parent transid verify failed on 5568935395328 wanted 70315 found 71183 [ 2092.725269] parent transid verify failed on 5568935395328 wanted 70315 found 71183 [ 2092.725680] ------------[ cut here ]------------ [ 2092.725740] kernel BUG at fs/btrfs/relocation.c:242! [ 2092.725800] invalid opcode: 0000 [#1] SMP [ 2092.725860] Modules linked in: 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 coretemp hwmon loop i2c_i801 parport_pc pcspkr i2c_core parport video battery tpm_infineon tpm_tis tpm lpc_ich mfd_core ehci_pci ehci_hcd acpi_cpufreq button ext4 crc16 jbd2 mbcache raid1 sg sd_mod ahci libahci libata scsi_mod r8169 mii [ 2092.727740] CPU: 3 PID: 3937 Comm: btrfs Not tainted 3.17.0-rc7 #3 [ 2092.727801] Hardware name: System manufacturer System Product Name/P8H77-M PRO, BIOS 1101 02/04/2013 [ 2092.727917] task: ffff8800c7883020 ti: ffff8800c7d04000 task.ti: ffff8800c7d04000 [ 2092.728029] RIP: 0010:[] [] relocate_block_group+0x432/0x4de [btrfs] [ 2092.728169] RSP: 0018:ffff8800c7d07a58 EFLAGS: 00010206 [ 2092.728229] RAX: ffff8806c69a18f8 RBX: ffff8806c69a1800 RCX: 0000000180200000 [ 2092.728292] RDX: ffff8806c69a18d8 RSI: ffff8806c69a18e8 RDI: ffff8807ff403900 [ 2092.728356] RBP: ffff8800c7d07ac8 R08: 0000000000000001 R09: 0000000000000000 [ 2092.728419] R10: 0000000000000003 R11: ffffffffa031eb54 R12: ffff8805d515c240 [ 2092.728482] R13: ffff8806c69a1908 R14: 00000000fffffff4 R15: ffff8806c69a1820 [ 2092.728546] FS: 00007f4f251d0840(0000) GS:ffff88081fac0000(0000) knlGS:0000000000000000 [ 2092.728660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2092.728721] CR2: ffffffffff600400 CR3: 00000000c7fb0000 CR4: 00000000001407e0 [ 2092.728783] Stack: [ 2092.728837] ffffea0002edf300 ffff8806c69a18e8 ffffea0002edf000 0000000000000000 [ 2092.728952] ffffea0002edf080 00ffea0002edf0c0 a8000005e22b2a30 0000000000001000 [ 2092.729067] ffff8807d969f870 ffff8806c69a1800 0000000000000000 ffff8807f3f285b0 [ 2092.729183] Call Trace: [ 2092.729256] [] btrfs_relocate_block_group+0x158/0x278 [btrfs] [ 2092.729385] [] btrfs_relocate_chunk.isra.62+0x58/0x5f7 [btrfs] [ 2092.729512] [] ? btrfs_set_lock_blocking_rw+0x68/0x95 [btrfs] [ 2092.729632] [] ? btrfs_set_path_blocking+0x23/0x54 [btrfs] [ 2092.729704] [] ? btrfs_search_slot+0x7bc/0x816 [btrfs] [ 2092.729782] [] ? free_extent_buffer+0x6f/0x7c [btrfs] [ 2092.729859] [] btrfs_balance+0xa7b/0xc80 [btrfs] [ 2092.729935] [] btrfs_ioctl_balance+0x220/0x29f [btrfs] [ 2092.730012] [] btrfs_ioctl+0x10bd/0x2281 [btrfs] [ 2092.730076] [] ? handle_mm_fault+0x44d/0xa00 [ 2092.730140] [] ? avc_has_perm+0x2e/0xf7 [ 2092.730202] [] ? __vm_enough_memory+0x25/0x13c [ 2092.730266] [] do_vfs_ioctl+0x3f2/0x43c [ 2092.730328] [] SyS_ioctl+0x4e/0x7d [ 2092.730389] [] ? do_page_fault+0xc/0xf [ 2092.730452] [] system_call_fastpath+0x16/0x1b [ 2092.730512] Code: 00 00 00 48 39 83 f8 00 00 00 74 02 0f 0b 4c 39 ab 08 01 00 00 74 02 0f 0b 48 83 7b 20 00 74 02 0f 0b 83 bb 20 01 00 00 00 74 02 <0f> 0b 83 bb 24 01 00 00 00 74 02 0f 0b 48 8b 73 18 48 8b 7b 08 [ 2092.730759] RIP [] relocate_block_group+0x432/0x4de [btrfs] [ 2092.730885] RSP [ 2092.731233] ---[ end trace 16c7709ebf2c379c ]--- -- Tomasz Chmielewski http://www.sslrack.com