At first i add a new device to my btrfs raid1 pool and start balance. After ~5 hours, balanace hangs and cpu-usage goes to 100% (kworker/u4 use all cpu-power).
What should i do now? Run "btrfs check --repair" on all devices? Kernel: 4.2.3-040203-generic Btrfs progs v4.2.1 Full Syslog: https://bugzilla.kernel.org/show_bug.cgi?id=105681 >From Syslog: [16880.495586] kernel BUG at /home/kernel/COD/linux/fs/btrfs/extent-tree.c:1833! [16880.495603] invalid opcode: 0000 [#1] SMP [16880.495614] Modules linked in: xt_nat veth xt_conntrack xt_addrtype br_netfilter nvram dm_thin_pool dm_persistent_data msr dm_bio_prison dm_bufio libcrc32c ir_lirc_codec ir_xmp_decoder lirc_dev ir_mce_kbd_decoder ir_sharp_decoder ir_sony_decoder ir_sanyo_decoder ir_jvc_decoder ir_rc6_decoder ir_rc5_decoder ir_nec_decoder rc_rc6_mce xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 mceusb nf_nat_ipv4 rc_core nf_nat nf_conntrack input_leds joydev xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables autofs4 eeepc_wmi asus_wmi sparse_keymap dm_multipath scsi_dh intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp kvm crct10dif_pclmul crc32_pclmul snd_seq_midi snd_seq_midi_event snd_rawmidi ghash_clmulni_intel cryptd snd_hda_codec_hdmi rfcomm snd_seq serio_raw bnep snd_hda_codec_realtek snd_hda_codec_generic bluetooth snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_device lpc_ich snd_timer mei_me mei snd shpchp mac_hid soundcore parport_pc ppdev nfsd nct6775 hwmon_vid coretemp auth_rpcgss nfs_acl nfs lockd grace binfmt_misc sunrpc lp parport fscache nls_iso8859_1 btrfs xor raid6_pq dm_mirror dm_region_hash dm_log hid_generic usbhid hid uas usb_storage psmouse ahci libahci wmi i915 video i2c_algo_bit drm_kms_helper drm e1000e ptp pps_core [16880.495944] CPU: 0 PID: 5967 Comm: btrfs Tainted: G U 4.2.3-040203-generic #201510030832 [16880.495964] Hardware name: ASUS All Series/H87I-PLUS, BIOS 2003 11/05/2014 [16880.495979] task: ffff8800a918b300 ti: ffff8800a9f00000 task.ti: ffff8800a9f00000 [16880.495995] RIP: 0010:[<ffffffffc02db016>] [<ffffffffc02db016>] insert_inline_extent_backref+0xc6/0xd0 [btrfs] [16880.496028] RSP: 0018:ffff8800a9f03718 EFLAGS: 00010293 [16880.496042] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8800a9f03750 [16880.496060] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000000 [16880.496077] RBP: ffff8800a9f03788 R08: 0000000000004000 R09: ffff8800a9f03608 [16880.496093] R10: 0000000000000000 R11: 0000000000000002 R12: ffff880214b11000 [16880.496109] R13: 000006a203798000 R14: 0000000000000000 R15: ffff8800d80c7990 [16880.496125] FS: 00007fd9f02fa900(0000) GS:ffff88021fa00000(0000) knlGS:0000000000000000 [16880.496146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [16880.496159] CR2: 00007f438fbc2000 CR3: 00000000a90ae000 CR4: 00000000000406f0 [16880.496175] Stack: [16880.496180] 000006a203798000 0000000000000414 0000000000000000 0000000000000000 [16880.496200] 0000000000000001 ffffffffc02cef1a ffff8800a9f037f8 0000000000002bbd [16880.496220] ffff88016f19f2e0 ffff880214b10000 ffff88016f19f2e0 ffff8800d80c7990 [16880.496239] Call Trace: [16880.496251] [<ffffffffc02cef1a>] ? btrfs_alloc_path+0x1a/0x20 [btrfs] [16880.496271] [<ffffffffc02db0b8>] __btrfs_inc_extent_ref.isra.51+0x98/0x250 [btrfs] [16880.496295] [<ffffffffc02e0d0a>] __btrfs_run_delayed_refs+0xcfa/0x1070 [btrfs] [16880.496316] [<ffffffff813bda85>] ? __percpu_counter_add+0x55/0x70 [16880.496337] [<ffffffffc02e3c3e>] btrfs_run_delayed_refs.part.73+0x6e/0x280 [btrfs] [16880.496360] [<ffffffffc02e3e67>] btrfs_run_delayed_refs+0x17/0x20 [btrfs] [16880.496383] [<ffffffffc02f7dc9>] btrfs_should_end_transaction+0x49/0x60 [btrfs] [16880.496407] [<ffffffffc02e2439>] btrfs_drop_snapshot+0x439/0x830 [btrfs] [16880.496431] [<ffffffffc0346200>] ? invalidate_extent_cache+0x160/0x1a0 [btrfs] [16880.496455] [<ffffffffc034b2e2>] merge_reloc_roots+0xd2/0x230 [btrfs] [16880.496475] [<ffffffffc034b696>] relocate_block_group+0x256/0x600 [btrfs] [16880.496495] [<ffffffffc034bc03>] btrfs_relocate_block_group+0x1c3/0x2d0 [btrfs] [16880.496517] [<ffffffffc031f9be>] btrfs_relocate_chunk.isra.39+0x3e/0xc0 [btrfs] [16880.496537] [<ffffffffc0320e3f>] __btrfs_balance+0x48f/0x8c0 [btrfs] [16880.496556] [<ffffffffc03215ed>] btrfs_balance+0x37d/0x650 [btrfs] [16880.496575] [<ffffffffc032d7b4>] ? btrfs_ioctl_balance+0x284/0x510 [btrfs] [16880.496594] [<ffffffffc032d694>] btrfs_ioctl_balance+0x164/0x510 [btrfs] [16880.496613] [<ffffffffc032fb8f>] btrfs_ioctl+0x56f/0x2470 [btrfs] [16880.496628] [<ffffffff8118490b>] ? lru_cache_add_active_or_unevictable+0x2b/0xa0 [16880.496645] [<ffffffff811a4d9a>] ? handle_mm_fault+0xb8a/0x1810 [16880.496658] [<ffffffff811a8f39>] ? vma_link+0xb9/0xc0 [16880.496670] [<ffffffff811fc6fd>] do_vfs_ioctl+0x2cd/0x4b0 [16880.496684] [<ffffffff81063cc7>] ? __do_page_fault+0x1b7/0x430 [16880.496697] [<ffffffff811fc959>] SyS_ioctl+0x79/0x90 [16880.496709] [<ffffffff817a9b72>] entry_SYSCALL_64_fastpath+0x16/0x75 [16880.496723] Code: 45 10 49 89 d9 48 8b 55 c8 4c 89 34 24 4c 89 e9 4c 89 fe 4c 89 e7 48 89 44 24 10 8b 45 28 89 44 24 08 e8 4e e4 ff ff 31 c0 eb bb <0f> 0b 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 57 [16880.496802] RIP [<ffffffffc02db016>] insert_inline_extent_backref+0xc6/0xd0 [btrfs] [16880.496823] RSP <ffff8800a9f03718> [16880.502316] ---[ end trace bcd7d52a2c7cfdc7 ]--- -- 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
