I use Ceph / rbd as storage and operate the container environment, but backup occasionally fails. Is there someone in a similar situation?
Code:
[304948.926528] EXT4-fs error (device rbd5): ext4_lookup:1575: inode #2621882: comm tar: deleted inode referenced: 2643543
[304948.927428]
Assertion failure in rbd_queue_workfn() at line 4035:
rbd_assert(op_type == OBJ_OP_READ || rbd_dev->spec->snap_id == CEPH_NOSNAP);
[304948.931565] ------------[ cut here ]------------
[304948.931566] kernel BUG at drivers/block/rbd.c:4035!
[304948.932423] invalid opcode: 0000 [#1] SMP PTI
[304948.933255] Modules linked in: xt_set ip_set_hash_ip xt_multiport xt_tcpudp ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw veth 8021q garp mrp rbd libceph nfsv3 nfs_acl nfs lockd grace fscache ip_set ip6table_filter ip6_tables xfs libcrc32c mptctl mptbase iptable_filter dell_rbu softdog nfnetlink_log nfnetlink intel_rapl sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper dcdbas cryptd snd_pcm intel_cstate intel_rapl_perf
[304948.940099] snd_timer snd mgag200 ttm soundcore drm_kms_helper pcspkr joydev input_leds ipmi_ssif drm cdc_ether usbnet mii i2c_algo_bit fb_sys_fops syscopyarea sysfillrect sysimgblt lpc_ich mei_me mei ipmi_si shpchp ipmi_devintf ipmi_msghandler wmi mac_hid acpi_power_meter vhost_net vhost tap ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp sunrpc libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) btrfs xor zstd_compress raid6_pq hid_generic usbmouse usbkbd usbhid hid tg3 ahci ptp libahci pps_core mpt3sas raid_class scsi_transport_sas megaraid_sas
[304948.947276] CPU: 3 PID: 3819431 Comm: kworker/3:1 Tainted: P O 4.15.18-1-pve #1
[304948.948549] Hardware name: Dell Inc. PowerEdge R420/XXXXXX, BIOS 2.4.2 01/29/2015
[304948.949836] Workqueue: rbd rbd_queue_workfn [rbd]
[304948.951124] RIP: 0010:rbd_queue_workfn+0x462/0x4f0 [rbd]
[304948.952414] RSP: 0018:ffffb6e0cf33be18 EFLAGS: 00010286
[304948.953699] RAX: 0000000000000086 RBX: ffff8ca8c1260800 RCX: 0000000000000000
[304948.954998] RDX: 0000000000000000 RSI: ffff8cabdead6498 RDI: ffff8cabdead6498
[304948.956297] RBP: ffffb6e0cf33be60 R08: 0000000000000101 R09: 0000000000000498
[304948.957598] R10: 000000000000039a R11: 00000000ffffffff R12: ffff8ca8dc0f6480
[304948.958907] R13: ffff8ca92b8a3780 R14: 0000000000000000 R15: 0000000000001000
[304948.960219] FS: 0000000000000000(0000) GS:ffff8cabdeac0000(0000) knlGS:0000000000000000
[304948.961548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[304948.962875] CR2: 00007f5d79bb2000 CR3: 00000002ba40a001 CR4: 00000000000626e0
[304948.964222] Call Trace:
[304948.965573] ? __schedule+0x3e8/0x870
[304948.966907] process_one_work+0x1e0/0x400
[304948.968236] worker_thread+0x4b/0x420
[304948.969546] kthread+0x105/0x140
[304948.970861] ? process_one_work+0x400/0x400
[304948.972187] ? kthread_create_worker_on_cpu+0x70/0x70
[304948.973503] ? do_syscall_64+0x73/0x130
[304948.974824] ? SyS_exit_group+0x14/0x20
[304948.976155] ret_from_fork+0x35/0x40
[304948.977488] Code: 00 48 83 78 20 fe 0f 84 6a fc ff ff 48 c7 c1 a8 28 0d c1 ba c3 0f 00 00 48 c7 c6 b0 3c 0d c1 48 c7 c7 90 1d 0d c1 e8 ae 0c 82 d8 <0f> 0b 48 8b 75 d0 4d 89 d0 44 89 f1 4c 89 fa 48 89 df 4c 89 55
[304948.980361] RIP: rbd_queue_workfn+0x462/0x4f0 [rbd] RSP: ffffb6e0cf33be18
[304948.981831] ---[ end trace aba98a911c548647 ]---
# ps
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 3646254 0.3 0.4 86352 68836 ? D Jul29 2:09 tar cpf - --totals --one-file-system -p --sparse --numeric-owner --acls --xattrs --xattrs-include=user.* --xattrs-include=security.capability --warning=no-file-ignored --warning=no-xattr-write --one-file-system --warning=no-file-ignored --directory=/mnt/pve/%NFSHOST%/dump/vzdump-lxc-215-2018_07_29-22_13_33.tmp ./etc/vzdump/pct.conf --directory=/mnt/vzsnap0 --no-anchored --exclude=lost+found --anchored --exclude=./tmp/?* --exclude=./var/tmp/?* --exclude=./var/run/?*.pid ./