[SOLVED] BTRFS: error (device loop1) - help needed

[blaess]

Hi all
I need your help. Everytime when I click in the GUI, I get the following errors.

 

Jun 21 07:22:37 Tower kernel: BTRFS info (device loop1): disk space caching is enabled
Jun 21 07:22:37 Tower kernel: BTRFS info (device loop1): has skinny extents
Jun 21 07:22:37 Tower kernel: BTRFS error (device loop1): parent transid verify failed on 641761280 wanted 342244 found 356641
Jun 21 07:22:37 Tower kernel: BTRFS error (device loop1): parent transid verify failed on 641761280 wanted 342244 found 356641
Jun 21 07:22:37 Tower kernel: ------------[ cut here ]------------
Jun 21 07:22:37 Tower kernel: WARNING: CPU: 4 PID: 9223 at fs/btrfs/extent-tree.c:2967 btrfs_run_delayed_refs+0xc0/0x241
Jun 21 07:22:37 Tower kernel: BTRFS: Transaction aborted (error -5)
Jun 21 07:22:37 Tower kernel: Modules linked in: xt_CHECKSUM iptable_mangle ipt_REJECT nf_reject_ipv4 ebtable_filter ebtables vhost_net tun vhost macvtap macvlan xt_nat ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_nat_ipv4 iptable_filter ip_tables nf_nat md_mod bonding igb ptp pps_core fbcon bitblit ast fbcon_rotate fbcon_ccw fbcon_ud fbcon_cw softcursor font ttm drm_kms_helper cfbfillrect cfbimgblt cfbcopyarea coretemp kvm_intel kvm drm i2c_i801 ahci i2c_smbus libahci agpgart mpt3sas syscopyarea sysfillrect sysimgblt fb_sys_fops i2c_algo_bit fb raid_class i2c_core scsi_transport_sas fbdev ipmi_si acpi_cpufreq [last unloaded: pps_core]
Jun 21 07:22:37 Tower kernel: CPU: 4 PID: 9223 Comm: kworker/u16:2 Tainted: G W 4.9.30-unRAID #1
Jun 21 07:22:37 Tower kernel: Hardware name: Supermicro A1SAi/A1SAi, BIOS 1.1 01/09/2015
Jun 21 07:22:37 Tower kernel: Workqueue: btrfs-extent-refs btrfs_extent_refs_helper
Jun 21 07:22:37 Tower kernel: ffffc9000c6cfca0 ffffffff813a4a1b ffffc9000c6cfcf0 ffffffff819692b0
Jun 21 07:22:37 Tower kernel: ffffc9000c6cfce0 ffffffff8104d0d9 00000b970c6cfd58 ffff880833728c80
Jun 21 07:22:37 Tower kernel: ffff880826466800 00000000fffffffb 0000000000000000 ffff880056da0a00
Jun 21 07:22:37 Tower kernel: Call Trace:
Jun 21 07:22:37 Tower kernel: [<ffffffff813a4a1b>] dump_stack+0x61/0x7e
Jun 21 07:22:37 Tower kernel: [<ffffffff8104d0d9>] __warn+0xb8/0xd3
Jun 21 07:22:37 Tower kernel: [<ffffffff8104d13a>] warn_slowpath_fmt+0x46/0x4e
Jun 21 07:22:37 Tower kernel: [<ffffffff812dbf00>] ? __btrfs_run_delayed_refs+0xc6c/0xd21
Jun 21 07:22:37 Tower kernel: [<ffffffff812dd9f7>] btrfs_run_delayed_refs+0xc0/0x241
Jun 21 07:22:37 Tower kernel: [<ffffffff812ddbcd>] delayed_ref_async_start+0x55/0x94
Jun 21 07:22:37 Tower kernel: [<ffffffff8131b0ff>] btrfs_scrubparity_helper+0xc9/0x182
Jun 21 07:22:37 Tower kernel: [<ffffffff8131b1e2>] btrfs_extent_refs_helper+0x9/0xb
Jun 21 07:22:37 Tower kernel: [<ffffffff8105ed53>] process_one_work+0x192/0x295
Jun 21 07:22:37 Tower kernel: [<ffffffff8105f752>] worker_thread+0x27d/0x369
Jun 21 07:22:37 Tower kernel: [<ffffffff8105f4d5>] ? rescuer_thread+0x2b1/0x2b1
Jun 21 07:22:37 Tower kernel: [<ffffffff81063939>] kthread+0xdb/0xe3
Jun 21 07:22:37 Tower kernel: [<ffffffff8106385e>] ? kthread_park+0x52/0x52
Jun 21 07:22:37 Tower kernel: [<ffffffff8167f785>] ret_from_fork+0x25/0x30
Jun 21 07:22:37 Tower kernel: ---[ end trace 1e9b8a23513c2453 ]---
Jun 21 07:22:37 Tower kernel: BTRFS: error (device loop1) in btrfs_run_delayed_refs:2967: errno=-5 IO failure
Jun 21 07:22:37 Tower kernel: BTRFS error (device loop1): parent transid verify failed on 641761280 wanted 342244 found 356641
Jun 21 07:22:37 Tower kernel: BTRFS error (device loop1): parent transid verify failed on 641761280 wanted 342244 found 356641
Jun 21 07:22:37 Tower kernel: BTRFS: error (device loop1) in btrfs_run_delayed_refs:2967: errno=-5 IO failure
Jun 21 07:22:37 Tower kernel: BTRFS: error (device loop1) in btrfs_replay_log:2506: errno=-5 IO failure (Failed to recover log tree)
Jun 21 07:22:37 Tower kernel: BTRFS error (device loop1): pending csums is 1310720
Jun 21 07:22:37 Tower kernel: BTRFS error (device loop1): cleaner transaction attach returned -30
Jun 21 07:22:37 Tower root: mount: /dev/loop1: can't read superblock
Jun 21 07:22:37 Tower kernel: BTRFS error (device loop1): open_ctree failed
Jun 21 07:22:37 Tower root: mount error
Jun 21 07:22:37 Tower emhttp: err: shcmd: shcmd (3086): exit status: 1

 

I don't know how to fix it.

Thanks

blaess

 

Edited June 21, 2017 by blaess

[JorgeB]

If loop1 is the docker image you need to nuke and recreate it, if you don't know post your diagnostics, it can also be the libvirt.img.

[blaess]

Thanks johnnie.black for the hint. It solved the issue!