If it matters, I had to hard reboot after that bug; the balance continued after the system booted again and I got this a while later (filesystem was remounted read only):
[ 1781.321219] btrfs: found 232188 extents [ 1781.994796] btrfs: relocating block group 3443586498560 flags 20 [ 2603.422490] btrfs: found 203955 extents [ 2606.188826] btrfs: relocating block group 3051670732800 flags 20 [ 2806.720510] BTRFS debug (device sdb5): run_one_delayed_ref returned -28 [ 2806.720513] ------------[ cut here ]------------ [ 2806.720530] WARNING: CPU: 1 PID: 2359 at fs/btrfs/super.c:254 __btrfs_abort_transaction+0x4d/0xff [btrfs]() [ 2806.720544] btrfs: Transaction aborted (error -28) [ 2806.720544] 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 pcspkr lpc_ich mfd_core i2c_i801 i2c_core button acpi_cpufreq ehci_pci video ehci_hcd ext4 crc16 jbd2 mbcache raid1 sg sd_mod ahci libahci libata scsi_mod r8169 mii [ 2806.720626] CPU: 1 PID: 2359 Comm: btrfs-transacti Not tainted 3.13.0-rc4 #1 [ 2806.720636] Hardware name: System manufacturer System Product Name/P8H77-M PRO, BIOS 1101 02/04/2013 [ 2806.720650] 0000000000000009 ffff8807ed73dc48 ffffffff8138a37d 0000000000000006 [ 2806.720705] ffff8807ed73dc98 ffff8807ed73dc88 ffffffff810370a9 ffff8807ed73dd80 [ 2806.720797] ffffffffa0227524 00000000ffffffe4 ffff8807f3389000 ffff8807efad4f00 [ 2806.720889] Call Trace: [ 2806.720935] [<ffffffff8138a37d>] dump_stack+0x46/0x58 [ 2806.720986] [<ffffffff810370a9>] warn_slowpath_common+0x77/0x91 [ 2806.721005] BTRFS error (device sdb5) in __btrfs_free_extent:5783: errno=-28 No space left [ 2806.721006] BTRFS info (device sdb5): forced readonly [ 2806.721007] BTRFS debug (device sdb5): run_one_delayed_ref returned -28 [ 2806.721008] BTRFS error (device sdb5) in btrfs_run_delayed_refs:2730: errno=-28 No space left [ 2806.721276] [<ffffffffa0227524>] ? __btrfs_abort_transaction+0x4d/0xff [btrfs] [ 2806.721372] [<ffffffff81037157>] warn_slowpath_fmt+0x41/0x43 [ 2806.721426] [<ffffffffa0227524>] __btrfs_abort_transaction+0x4d/0xff [btrfs] [ 2806.721482] [<ffffffffa023c6ed>] btrfs_run_delayed_refs+0x253/0x46f [btrfs] [ 2806.721538] [<ffffffffa0249aef>] btrfs_commit_transaction+0x70/0x7df [btrfs] [ 2806.721593] [<ffffffffa0248345>] transaction_kthread+0xef/0x1c2 [btrfs] [ 2806.721646] [<ffffffffa0248256>] ? open_ctree+0x1ac7/0x1ac7 [btrfs] [ 2806.721697] [<ffffffff8104ee9a>] kthread+0xcd/0xd5 [ 2806.721744] [<ffffffff8104edcd>] ? kthread_freezable_should_stop+0x43/0x43 [ 2806.721794] [<ffffffff8138f17c>] ret_from_fork+0x7c/0xb0 [ 2806.721844] [<ffffffff8104edcd>] ? kthread_freezable_should_stop+0x43/0x43 [ 2806.721893] ---[ end trace 5d2cc0a807b9d02a ]--- [ 2806.721942] BTRFS error (device sdb5) in btrfs_run_delayed_refs:2730: errno=-28 No space left -- Tomasz Chmielewski http://wpkg.org On Thu, 19 Dec 2013 20:49:04 +0800 Wang Shilong <wangsl.f...@cn.fujitsu.com> wrote: > On 12/19/2013 08:30 PM, Tomasz Chmielewski wrote: > > It was 3.13.0-rc4. > I take a look at line 1062, this should be a new bug!!! > > Thanks, > Wang > > > > > > On Thu, 19 Dec 2013 20:14:17 +0800 > > Wang Shilong <wangsl.f...@cn.fujitsu.com> wrote: > > > >> 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:[<ffffffffa02ab31f>] [<ffffffffa02ab31f>] > >>> 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] [<ffffffffa02ac13a>] > >>> relocate_tree_blocks+0x1c0/0x544 [btrfs] [152727.589292] > >>> [<ffffffffa024f2a9>] ? btrfs_release_path+0x6b/0x8a [btrfs] > >>> [152727.589382] [<ffffffffa02ad399>] > >>> relocate_block_group+0x23f/0x4c7 [btrfs] [152727.589470] > >>> [<ffffffffa02ad76f>] btrfs_relocate_block_group+0x14e/0x28d > >>> [btrfs] [152727.589598] [<ffffffffa028c8d2>] > >>> btrfs_relocate_chunk.isra.65+0x58/0x60e [btrfs] [152727.589727] > >>> [<ffffffffa029a1ff>] ? btrfs_set_lock_blocking_rw+0x89/0xb2 > >>> [btrfs] [152727.589853] [<ffffffffa024f1b7>] ? > >>> btrfs_set_path_blocking+0x23/0x54 [btrfs] [152727.589979] > >>> [<ffffffffa0253a1b>] ? btrfs_search_slot+0x72f/0x789 [btrfs] > >>> [152727.590068] [<ffffffffa0288be1>] ? > >>> free_extent_buffer+0x6f/0x7c [btrfs] [152727.590157] > >>> [<ffffffffa028f709>] btrfs_balance+0x9fe/0xbe0 [btrfs] > >>> [152727.590245] [<ffffffffa02954c9>] > >>> btrfs_ioctl_balance+0x220/0x29f [btrfs] [152727.590334] > >>> [<ffffffffa0298a66>] btrfs_ioctl+0xfce/0x2128 [btrfs] > >>> [152727.590417] [<ffffffff810c98c1>] ? > >>> handle_mm_fault+0x24f/0x965 [152727.590498] > >>> [<ffffffff810ccc11>] ? __vm_enough_memory+0x26/0x13d > >>> [152727.590581] [<ffffffff8110219e>] do_vfs_ioctl+0x3f7/0x441 > >>> [152727.590661] [<ffffffff8110223a>] SyS_ioctl+0x52/0x80 > >>> [152727.590741] [<ffffffff8138f222>] > >>> 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 [<ffffffffa02ab31f>] > >>> build_backref_tree+0xb03/0xe7a [btrfs] [152727.593194] RSP > >>> <ffff8805a9d9b898> [152727.593290] ---[ end trace > >>> b67170e8ece9f591 ]--- > >>> > >>> > > -- > > To unsubscribe from this list: send the line "unsubscribe > > linux-btrfs" in the body of a message to majord...@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
