libceph: mon0 192.168.80.201:6789 session established libceph: client208647 fsid 555f47d6-6f23-4cea-a242-4900917db257 IPVS: Creating netns size=2048 id=26 SELinux: mount invalid. Same superblock, different security settings for (dev mqueue, type mqueue) IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready SELinux: mount invalid. Same superblock, different security settings for (dev mqueue, type mqueue) ------------[ cut here ]------------ kernel BUG at fs/ceph/mds_client.c:1279! invalid opcode: 0000 [#1] SMP Modules linked in: ceph libceph dns_resolver cfg80211 rfkill xt_ipvs ip_vs xt_multiport xt_set ip_set_hash_ipport ip_set_hash_net ip_set_hash_ip ipip tunnel4 ip_tunnel veth xt_statistic xt_nat xt_recent nf_conntrack_netlink xt_comment xt_mark ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_addrtype br_netfilter nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc 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 ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter overlay(T) dm_mirror dm_region_hash dm_log dm_mod sb_edac iTCO_wdt iTCO_vendor_support intel_powerclamp coretemp intel_rapl iosf_mbi kvm_intel kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd ipmi_ssif sg pcspkr acpi_power_meter ipmi_si ipmi_devintf ipmi_msghandler wmi hpilo hpwdt ioatdma lpc_ich shpchp pcc_cpufreq auth_rpcgss sunrpc ip_tables xfs libcrc32c sd_mod crc_t10dif crct10dif_generic mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm ahci drm ixgbe libahci libata crct10dif_pclmul crct10dif_common crc32c_intel serio_raw hpsa mdio i2c_core ptp pps_core scsi_transport_sas dca CPU: 3 PID: 38552 Comm: kworker/3:0 Kdump: loaded Tainted: G ------------ T 3.10.0-862.11.6.el7.x86_64 #1 Hardware name: HP ProLiant DL380p Gen8, BIOS P70 11/14/2013 Workqueue: ceph-msgr ceph_con_workfn [libceph] task: ffff885e37bd8fd0 ti: ffff885609eb0000 task.ti: ffff885609eb0000 RIP: 0010:[] [] remove_session_caps+0x16d/0x170 [ceph] RSP: 0018:ffff885609eb3c48 EFLAGS: 00010202 RAX: 0000000000000001 RBX: ffff88698c7b0d40 RCX: 0000000000000400 RDX: 000000000000001b RSI: ffff889126b48618 RDI: ffff885609eb3c08 RBP: ffff885609eb3c88 R08: ffff88a042bdd770 R09: 0000000000000001 R10: 00000000000003e2 R11: 0000000000000000 R12: ffff88698c7b0800 R13: ffff8870b32289d8 R14: ffff88698c7b0d48 R15: ffff889845322800 FS: 0000000000000000(0000) GS:ffff8871bf6c0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f761ae1c808 CR3: 000000286be0e000 CR4: 00000000000607e0 Call Trace: [] dispatch+0x5e0/0xb90 [ceph] [] ? kernel_recvmsg+0x3a/0x50 [] try_read+0x4e4/0x1210 [libceph] [] ? sched_clock+0x9/0x10 [] ? sched_clock_cpu+0x85/0xc0 [] ? __switch_to+0xce/0x580 [] ceph_con_workfn+0xb9/0x670 [libceph] [] process_one_work+0x17f/0x440 [] worker_thread+0x126/0x3c0 [] ? manage_workers.isra.24+0x2a0/0x2a0 [] kthread+0xd1/0xe0 [] ? insert_kthread_work+0x40/0x40 [] ret_from_fork_nospec_begin+0x21/0x21 [] ? insert_kthread_work+0x40/0x40 Code: 5d 41 5e 41 5f 5d c3 48 89 fa 48 c7 c6 b0 7a a0 c0 48 c7 c7 18 4c a1 c0 31 c0 e8 cf 8b b8 d7 e9 d8 fe ff ff e8 45 30 8a d7 0f 0b <0f> 0b 90 66 66 66 66 90 48 8b 07 55 48 89 e5 48 89 02 44 8b 80 RIP [] remove_session_caps+0x16d/0x170 [ceph] RSP