[ 138.925543] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 1 transid 172469 /dev/vdb [ 138.925837] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 2 transid 172469 /dev/vdc [ 138.926042] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 3 transid 172469 /dev/vdd [ 138.926420] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 1 transid 172469 /dev/vdb [ 138.926595] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 2 transid 172469 /dev/vdc [ 138.926769] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 3 transid 172469 /dev/vdd [ 1786.586091] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 1 transid 172469 /dev/vdb [ 1786.586710] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 2 transid 172469 /dev/vdc [ 1786.587086] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 3 transid 172469 /dev/vdd [ 1786.587648] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 1 transid 172469 /dev/vdb [ 1786.587927] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 2 transid 172469 /dev/vdc [ 1786.588449] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 3 transid 172469 /dev/vdd [ 1800.547570] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 1 transid 172469 /dev/vdb [ 1800.549986] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 1 transid 172469 /dev/vdb [ 3083.314161] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 3 transid 172470 /dev/vdd [ 3083.318276] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 3 transid 172470 /dev/vdd [ 3083.347547] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 2 transid 172470 /dev/vdc [ 3083.352210] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 2 transid 172470 /dev/vdc [ 3083.375553] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 1 transid 172470 /dev/vdb [ 3083.380124] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 1 transid 172470 /dev/vdb [110824.601333] device fsid f28170e3-5e17-40ba-9d5d-8f3d6ce96c0f devid 1 transid 172470 /dev/vdb [110827.254979] BTRFS debug (device vdd): unlinked 1 orphans [110827.256073] btrfs: continuing balance [110830.614475] btrfs: relocating block group 7428158521344 flags 17 [110878.314378] btrfs: found 52 extents [110881.168526] ------------[ cut here ]------------ [110881.172288] Kernel BUG at ffffffffa014a167 [verbose debug info unavailable] [110881.172288] invalid opcode: 0000 [#1] SMP [110881.172288] Modules linked in: dm_crypt(F) kvm_intel(F) kvm(F) aesni_intel(F) aes_x86_64(F) lrw(F) gf128mul(F) glue_helper(F) ablk_helper(F) cryptd(F) microcode(F) psmouse(F) serio_raw(F) virtio_balloon(F) i2c_piix4 mac_hid lp(F) parport(F) btrfs(F) xor(F) zlib_deflate(F) raid6_pq(F) libcrc32c(F) cirrus syscopyarea(F) sysfillrect(F) sysimgblt(F) ttm drm_kms_helper drm floppy(F) [110881.172288] CPU: 0 PID: 2842 Comm: btrfs-balance Tainted: GF 3.11.0-11-generic #17-Ubuntu [110881.172288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007 [110881.172288] task: ffff8800b377aee0 ti: ffff8800058ea000 task.ti: ffff8800058ea000 [110881.172288] RIP: 0010:[] [] build_backref_tree+0x277/0x11d0 [btrfs] [110881.172288] RSP: 0018:ffff8800058eba90 EFLAGS: 00010246 [110881.172288] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8800307ed090 [110881.172288] RDX: ffff8800058ebb00 RSI: ffff8800058ebb00 RDI: ffff8800307ed080 [110881.172288] RBP: ffff8800058ebb70 R08: ffff8800b24d6c80 R09: ffff8800b24d6b00 [110881.172288] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8800307ed090 [110881.172288] R13: ffff88000f672120 R14: ffff880030cd1800 R15: ffff8800b24d6d00 [110881.172288] FS: 0000000000000000(0000) GS:ffff8800bb200000(0000) knlGS:0000000000000000 [110881.172288] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [110881.172288] CR2: 00007fd52ebe5000 CR3: 0000000004040000 CR4: 00000000000006f0 [110881.172288] Stack: [110881.172288] ffff880030cd1d88 ffff8800b24d6b00 ffff8800307ed660 ffff8800b24d6c80 [110881.172288] ffff8800b24d6c80 ffff8800b5a8e800 ffff88000f672120 ffff8800b24d6cc0 [110881.172288] ffff88000f672360 ffff880030cd1920 ffff8800b24d6b00 ffff880030cd1820 [110881.172288] Call Trace: [110881.172288] [] relocate_tree_blocks+0x1d8/0x630 [btrfs] [110881.172288] [] ? add_data_references+0x248/0x280 [btrfs] [110881.172288] [] relocate_block_group+0x280/0x690 [btrfs] [110881.172288] [] btrfs_relocate_block_group+0x19f/0x2e0 [btrfs] [110881.172288] [] btrfs_relocate_chunk.isra.30+0x6f/0x730 [btrfs] [110881.172288] [] ? btrfs_set_path_blocking+0x39/0x80 [btrfs] [110881.172288] [] ? btrfs_search_slot+0x380/0x940 [btrfs] [110881.172288] [] ? release_extent_buffer+0x69/0xd0 [btrfs] [110881.172288] [] ? free_extent_buffer+0x4f/0xa0 [btrfs] [110881.172288] [] __btrfs_balance+0x43d/0x800 [btrfs] [110881.172288] [] btrfs_balance+0x3bb/0x670 [btrfs] [110881.172288] [] balance_kthread+0x70/0x80 [btrfs] [110881.172288] [] ? btrfs_balance+0x670/0x670 [btrfs] [110881.172288] [] kthread+0xc0/0xd0 [110881.172288] [] ? kthread_create_on_node+0x120/0x120 [110881.172288] [] ret_from_fork+0x7c/0xb0 [110881.172288] [] ? kthread_create_on_node+0x120/0x120 [110881.172288] Code: f6 43 71 10 0f 85 18 0f 00 00 48 8d 43 40 48 89 c6 48 89 85 58 ff ff ff 48 8b 43 40 48 39 c6 74 0c 48 3b 43 48 0f 84 f5 08 00 00 <0f> 0b 48 c7 85 78 ff ff ff 00 00 00 00 0f 1f 40 00 e8 43 df 5a [110881.172288] RIP [] build_backref_tree+0x277/0x11d0 [btrfs] [110881.172288] RSP [110881.288549] ---[ end trace 301199f65ead7c88 ]--- [111269.942643] cfg80211: Calling CRDA to update world regulatory domain [111270.044681] cfg80211: World regulatory domain updated: [111270.047115] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [111270.049661] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [111270.051769] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [111270.053870] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [111270.055969] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [111270.058073] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)