I was doing balance and hit these: [34363.498746] ------------[ cut here ]------------ [34363.498825] WARNING: CPU: 3 PID: 2237 at fs/btrfs/super.c:254 __btrfs_abort_transaction+0x4d/0xff [btrfs]() [34363.498937] btrfs: Transaction aborted (error -28) [34363.498938] Modules linked in: xt_tcpudp iptable_filter ip_tables x_tables tun cpufreq_powersave cpufreq_ondemand cpufreq_conservative cpufreq_stats ipv6 btrfs zlib_deflate ext3 jbd loop pcspkr ehci_pci ehci_hcd lpc_ich i2c_i801 mfd_core acpi_cpufreq i2c_core video button ext4 crc16 jbd2 mbcache aacraid 3w_9xxx 3w_xxxx raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 raid0 sata_nv sata_sil sata_via sg sd_mod ahci libahci libata scsi_mod r8169 mii [34363.499369] CPU: 3 PID: 2237 Comm: btrfs-transacti Not tainted 3.13.0-rc6 #1 [34363.499433] Hardware name: System manufacturer System Product Name/P8H67-M PRO, BIOS 1106 10/17/2011 [34363.499541] 0000000000000009 ffff88080d39fa48 ffffffff8138987d 0000000000000006 [34363.499648] ffff88080d39fa98 ffff88080d39fa88 ffffffff810370a9 0000000000001000 [34363.499751] ffffffffa02e4524 00000000ffffffe4 ffff8808110e9800 ffff880808f06dc0 [34363.499851] Call Trace: [34363.499901] [<ffffffff8138987d>] dump_stack+0x46/0x58 [34363.499955] [<ffffffff810370a9>] warn_slowpath_common+0x77/0x91 [34363.500010] [<ffffffffa02e4524>] ? __btrfs_abort_transaction+0x4d/0xff [btrfs] [34363.500110] [<ffffffff81037157>] warn_slowpath_fmt+0x41/0x43 [34363.500164] [<ffffffffa02e4524>] __btrfs_abort_transaction+0x4d/0xff [btrfs] [34363.500222] [<ffffffffa02f2ea4>] __btrfs_free_extent+0x79e/0x7e3 [btrfs] [34363.500277] [<ffffffff8138843e>] ? __slab_free+0x294/0x2b8 [34363.500336] [<ffffffffa033f10a>] ? btrfs_merge_delayed_refs+0x2c9/0x305 [btrfs] [34363.500438] [<ffffffffa02f7658>] run_clustered_refs+0x9b5/0xba7 [btrfs] [34363.500496] [<ffffffffa02f96b3>] btrfs_run_delayed_refs+0x219/0x46f [btrfs] [34363.500551] [<ffffffff8103f58f>] ? lock_timer_base.isra.25+0x26/0x4a [34363.500610] [<ffffffffa0306b61>] btrfs_commit_transaction+0xe2/0x7df [btrfs] [34363.500669] [<ffffffffa0305345>] transaction_kthread+0xef/0x1c2 [btrfs] [34363.500727] [<ffffffffa0305256>] ? open_ctree+0x1ac7/0x1ac7 [btrfs] [34363.500781] [<ffffffff8104ee9a>] kthread+0xcd/0xd5 [34363.500833] [<ffffffff8104edcd>] ? kthread_freezable_should_stop+0x43/0x43 [34363.500888] [<ffffffff8138e6bc>] ret_from_fork+0x7c/0xb0 [34363.500940] [<ffffffff8104edcd>] ? kthread_freezable_should_stop+0x43/0x43 [34363.500994] ---[ end trace 99a0c80048824a4c ]--- [34363.501046] BTRFS error (device sdb4) in __btrfs_free_extent:5783: errno=-28 No space left [34363.501144] BTRFS info (device sdb4): forced readonly [34363.501195] BTRFS debug (device sdb4): run_one_delayed_ref returned -28 [34363.501196] BTRFS error (device sdb4) in btrfs_run_delayed_refs:2730: errno=-28 No space left [34453.456505] ------------[ cut here ]------------ [34453.456560] kernel BUG at fs/btrfs/relocation.c:4026! [34453.456611] invalid opcode: 0000 [#1] SMP [34453.456663] Modules linked in: xt_tcpudp iptable_filter ip_tables x_tables tun cpufreq_powersave cpufreq_ondemand cpufreq_conservative cpufreq_stats ipv6 btrfs zlib_deflate ext3 jbd loop pcspkr ehci_pci ehci_hcd lpc_ich i2c_i801 mfd_core acpi_cpufreq i2c_core video button ext4 crc16 jbd2 mbcache aacraid 3w_9xxx 3w_xxxx raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 raid0 sata_nv sata_sil sata_via sg sd_mod ahci libahci libata scsi_mod r8169 mii [34453.457065] CPU: 1 PID: 5833 Comm: btrfs Tainted: G W 3.13.0-rc6 #1 [34453.457120] Hardware name: System manufacturer System Product Name/P8H67-M PRO, BIOS 1106 10/17/2011 [34453.457221] task: ffff8806bce22e20 ti: ffff8806a77a4000 task.ti: ffff8806a77a4000 [34453.457319] RIP: 0010:[<ffffffffa03453e0>] [<ffffffffa03453e0>] relocate_block_group+0x286/0x4c7 [btrfs] [34453.457432] RSP: 0018:ffff8806a77a5a68 EFLAGS: 00010286 [34453.457484] RAX: 00000000ffffffe4 RBX: ffff8808101831b0 RCX: 0000000180190002 [34453.457564] RDX: 0000000180190003 RSI: ffffea0020405080 RDI: ffff880811551300 [34453.457619] RBP: ffff8806a77a5ad8 R08: 0000000000000001 R09: ffffea0020405080 [34453.457673] R10: 0000000000001dc7 R11: ffffffffa030752f R12: 00000000fffffff5 [34453.457727] R13: ffff880810142b40 R14: ffff88074c7a3000 R15: 0000000000000002 [34453.457781] FS: 00007f8afc0f0840(0000) GS:ffff88083fa40000(0000) knlGS:0000000000000000 [34453.457880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [34453.457932] CR2: 00007e79b2ccc000 CR3: 000000069f630000 CR4: 00000000000407e0 [34453.457986] Stack: [34453.458032] ffff8806a77a5ad8 ffffffff00018d21 ffff8806a77a5a70 0000000000000000 [34453.458132] 000000a70000020c 00ff8806a77a5a98 a80000052421e5e0 0000000000001000 [34453.458232] ffff88081ed3ba20 ffff88074c7a3000 ffff880812fdc5c8 ffff880812fdc000 [34453.458331] Call Trace: [34453.458386] [<ffffffffa034576f>] btrfs_relocate_block_group+0x14e/0x28d [btrfs] [34453.458490] [<ffffffffa03248d2>] btrfs_relocate_chunk.isra.65+0x58/0x60e [btrfs] [34453.458592] [<ffffffffa03321ff>] ? btrfs_set_lock_blocking_rw+0x89/0xb2 [btrfs] [34453.458693] [<ffffffffa02e71b7>] ? btrfs_set_path_blocking+0x23/0x54 [btrfs] [34453.458751] [<ffffffffa02eba1b>] ? btrfs_search_slot+0x72f/0x789 [btrfs] [34453.458810] [<ffffffffa0320be1>] ? free_extent_buffer+0x6f/0x7c [btrfs] [34453.458869] [<ffffffffa0327709>] btrfs_balance+0x9fe/0xbe0 [btrfs] [34453.458928] [<ffffffffa032d4c9>] btrfs_ioctl_balance+0x220/0x29f [btrfs] [34453.458987] [<ffffffffa0330a66>] btrfs_ioctl+0xfce/0x2128 [btrfs] [34453.459042] [<ffffffff810c9b0c>] ? handle_mm_fault+0x41a/0x965 [34453.459096] [<ffffffff810ccc91>] ? __vm_enough_memory+0x26/0x13d [34453.459149] [<ffffffff8110224a>] do_vfs_ioctl+0x3f7/0x441 [34453.459201] [<ffffffff811022e6>] SyS_ioctl+0x52/0x80 [34453.459254] [<ffffffff8138e762>] system_call_fastpath+0x16/0x1b [34453.459308] Code: 89 86 a8 05 00 00 41 8a 86 b9 05 00 00 49 8b 76 08 a8 08 74 18 83 e0 f7 4c 89 ef 41 88 86 b9 05 00 00 e8 a3 16 fc ff 85 c0 74 13 <0f> 0b 4c 89 ef e8 7b 21 fc ff 49 8b 7e 08 e8 fb d7 fb ff 41 80 [34453.459496] RIP [<ffffffffa03453e0>] relocate_block_group+0x286/0x4c7 [btrfs] [34453.459598] RSP <ffff8806a77a5a68> [34453.459967] ---[ end trace 99a0c80048824a4d ]--- -- Tomasz Chmielewski http://wpkg.org -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html