HI there,

 

Have just got a new server up and running and fixcommon problems warned me of some call trace errors - diagnostics attached. Is this something I need to worry about?

 

Thanks!

mediacentre-diagnostics-20180617-1832.zip

Just so it's easier to see, here's the call trace:

Jun 17 10:07:18 MediaCentre kernel: WARNING: CPU: 10 PID: 19572 at fs/btrfs/extent-tree.c:9968 btrfs_free_block_groups+0x245/0x2da
Jun 17 10:07:18 MediaCentre kernel: Modules linked in: xt_nat veth xt_CHECKSUM iptable_mangle ipt_REJECT nf_reject_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 iptable_filter ip_tables nf_nat arc4 ecb md4 cifs ccm xfs md_mod bonding e1000e igb ptp pps_core i2c_algo_bit x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd intel_cstate intel_uncore intel_rapl_perf ahci i2c_i801 mxm_wmi i2c_core libahci video wmi backlight button acpi_pad [last unloaded: tun]
Jun 17 10:07:18 MediaCentre kernel: CPU: 10 PID: 19572 Comm: umount Tainted: G        W       4.14.40-unRAID #1
Jun 17 10:07:18 MediaCentre kernel: Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z370M-ITX/ac, BIOS P1.60 11/30/2017
Jun 17 10:07:18 MediaCentre kernel: task: ffff88045ba62ac0 task.stack: ffffc90001ea0000
Jun 17 10:07:18 MediaCentre kernel: RIP: 0010:btrfs_free_block_groups+0x245/0x2da
Jun 17 10:07:18 MediaCentre kernel: RSP: 0018:ffffc90001ea3e18 EFLAGS: 00010206
Jun 17 10:07:18 MediaCentre kernel: RAX: ffff880448b0d288 RBX: ffff8804576e2000 RCX: 000000018020000e
Jun 17 10:07:18 MediaCentre kernel: RDX: ffff8804576e2e28 RSI: ffff880448b0f200 RDI: ffffffff81b5325d
Jun 17 10:07:18 MediaCentre kernel: RBP: ffff880448b0d288 R08: 0000000000000001 R09: ffffffff815c7000
Jun 17 10:07:18 MediaCentre kernel: R10: ffffea001122c300 R11: 0000000000000001 R12: 0000000000000038
Jun 17 10:07:18 MediaCentre kernel: R13: 0000000000000000 R14: dead000000000100 R15: ffff8804576e20a0
Jun 17 10:07:18 MediaCentre kernel: FS:  000014dd6b89f780(0000) GS:ffff88045e880000(0000) knlGS:0000000000000000
Jun 17 10:07:18 MediaCentre kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jun 17 10:07:18 MediaCentre kernel: CR2: 000014e4922e19d8 CR3: 000000010dc18001 CR4: 00000000003606e0
Jun 17 10:07:18 MediaCentre kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jun 17 10:07:18 MediaCentre kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Jun 17 10:07:18 MediaCentre kernel: Call Trace:
Jun 17 10:07:18 MediaCentre kernel: close_ctree+0x1b7/0x27d
Jun 17 10:07:18 MediaCentre kernel: generic_shutdown_super+0x6b/0x10a
Jun 17 10:07:18 MediaCentre kernel: kill_anon_super+0x9/0xe
Jun 17 10:07:18 MediaCentre kernel: btrfs_kill_super+0xd/0x8e
Jun 17 10:07:18 MediaCentre kernel: deactivate_locked_super+0x2f/0x61
Jun 17 10:07:18 MediaCentre kernel: cleanup_mnt+0x40/0x5c
Jun 17 10:07:18 MediaCentre kernel: task_work_run+0x73/0x86
Jun 17 10:07:18 MediaCentre kernel: exit_to_usermode_loop+0x46/0x75
Jun 17 10:07:18 MediaCentre kernel: do_syscall_64+0xf7/0xfe
Jun 17 10:07:18 MediaCentre kernel: entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Jun 17 10:07:18 MediaCentre kernel: RIP: 0033:0x14dd6ab11ec7
Jun 17 10:07:18 MediaCentre kernel: RSP: 002b:00007ffef21e65d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
Jun 17 10:07:18 MediaCentre kernel: RAX: 0000000000000000 RBX: 00000000006072b0 RCX: 000014dd6ab11ec7
Jun 17 10:07:18 MediaCentre kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI: 000000000060b1a0
Jun 17 10:07:18 MediaCentre kernel: RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
Jun 17 10:07:18 MediaCentre kernel: R10: 0000000000000008 R11: 0000000000000246 R12: 000000000060b1a0
Jun 17 10:07:18 MediaCentre kernel: R13: 000014dd6b68aed0 R14: 0000000000607490 R15: 0000000000000000
Jun 17 10:07:18 MediaCentre kernel: Code: 8d 93 28 0e 00 00 48 39 c2 0f 84 a4 00 00 00 48 8b ab 28 0e 00 00 48 83 7d 90 00 75 0e 48 83 7d 98 00 75 07 48 83 7d a0 00 74 15 <0f> 0b 31 c9 31 d2 48 89 df 48 8d b5 78 ff ff ff e8 4e 7a ff ff 

 

Also this:

Jun 17 10:07:18 MediaCentre kernel: BTRFS info (device loop2): space_info 4 has 934412288 free, is not full
Jun 17 10:07:18 MediaCentre kernel: BTRFS info (device loop2): space_info total=1073741824, used=139247616, pinned=0, reserved=16384, may_use=0, readonly=65536
Jun 17 10:07:18 MediaCentre kernel: BTRFS warning (device loop2): page private not zero on page 153567232
Jun 17 10:07:18 MediaCentre kernel: BTRFS warning (device loop2): page private not zero on page 153571328
Jun 17 10:07:18 MediaCentre kernel: BTRFS warning (device loop2): page private not zero on page 153575424
Jun 17 10:07:18 MediaCentre kernel: BTRFS warning (device loop2): page private not zero on page 153579520

 

loop2 is probably your docker image file (20GB).