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Dec 7th, 2017
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  1. Dec 7 21:22:25 compute6 kernel: [5523858.366030] BUG: unable to handle kernel paging request at 00000000fc0ff000
  2. Dec 7 21:22:25 compute6 kernel: [5523858.367526] IP: [<ffffffffc0361900>] kvm_zap_rmapp+0x30/0x60 [kvm]
  3. Dec 7 21:22:25 compute6 kernel: [5523858.369189] PGD 0
  4. Dec 7 21:22:25 compute6 kernel: [5523858.370812] Oops: 0000 [#1] SMP
  5. Dec 7 21:22:25 compute6 kernel: [5523858.372514] Modules linked in: vport_gre ip_gre ip_tunnel gre nf_conntrack_netlink vhost_net vhost macvtap macvlan ip6table_raw ip6table_mangle nf_conntrack_ipv6 xt_CT xt_connmark xt_mac xt_comment xt_physdev br_netfilter xt_set xt_multiport ip_set_hash_net ip_set nfnetlink veth iptable_raw xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables nbd ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi vport_vxlan openvswitch nf_defrag_ipv6 nf_conntrack intel_rapl x86_pkg_temp_thermal intel_powerclamp ipmi_ssif coretemp kvm_intel kvm ipmi_devintf irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 input_leds lrw gf128mul joydev glue_helper mxm_wmi sb_edac mei_me ablk_helper cryptd mei dm_multipath dcdbas edac_core shpchp lpc_ich 8250_fintek wmi ipmi_si acpi_power_meter ipmi_msghandler mac_hid 8021q garp mrp stp llc bonding lp parport hid_generic usbhid hid bnx2x vxlan ip6_udp_tunnel tg3 udp_tunnel ptp ahci mdio libahci megaraid_sas pps_core libcrc32c fjes
  6. Dec 7 21:22:25 compute6 kernel: [5523858.427309] CPU: 46 PID: 166558 Comm: qemu-system-x86 Not tainted 4.4.0-62-generic #83~14.04.1-Ubuntu
  7. Dec 7 21:22:25 compute6 kernel: [5523858.437379] Hardware name: Dell Inc. PowerEdge R630/02C2CP, BIOS 2.4.3 01/17/2017
  8. Dec 7 21:22:25 compute6 kernel: [5523858.447897] task: ffff881ea3b5c600 ti: ffff881c32fa8000 task.ti: ffff881c32fa8000
  9. Dec 7 21:22:25 compute6 kernel: [5523858.459095] RIP: 0010:[<ffffffffc0361900>] [<ffffffffc0361900>] kvm_zap_rmapp+0x30/0x60 [kvm]
  10. Dec 7 21:22:25 compute6 kernel: [5523858.470951] RSP: 0018:ffff881c32fabbf8 EFLAGS: 00010206
  11. Dec 7 21:22:25 compute6 kernel: [5523858.477061] RAX: 0000000000000000 RBX: ffffc9006293bf40 RCX: 00000000000b84e8
  12. Dec 7 21:22:25 compute6 kernel: [5523858.489123] RDX: 00000000fc0ff000 RSI: 00000000fc0ff000 RDI: ffff881c559b0000
  13. Dec 7 21:22:25 compute6 kernel: [5523858.501472] RBP: ffff881c32fabc08 R08: 0000000000000001 R09: 0000000000000000
  14. Dec 7 21:22:25 compute6 kernel: [5523858.514026] R10: ffffc90036a18000 R11: 0000000001040000 R12: ffff881c559b0000
  15. Dec 7 21:22:25 compute6 kernel: [5523858.526570] R13: ffffffffc0361930 R14: 0000000000000000 R15: ffffc90036a181e8
  16. Dec 7 21:22:25 compute6 kernel: [5523858.539101] FS: 00007f699e7fc700(0000) GS:ffff881ffebc0000(0000) knlGS:0000000000000000
  17. Dec 7 21:22:25 compute6 kernel: [5523858.551618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  18. Dec 7 21:22:25 compute6 kernel: [5523858.557891] CR2: 00000000fc0ff000 CR3: 0000001c5383b000 CR4: 00000000003426e0
  19. Dec 7 21:22:25 compute6 kernel: [5523858.570201] Stack:
  20. Dec 7 21:22:25 compute6 kernel: [5523858.576166] 0000000000000001 ffff881c559b0000 ffff881c32fabc18 ffffffffc036193e
  21. Dec 7 21:22:25 compute6 kernel: [5523858.588153] ffff881c32fabcb8 ffffffffc035dfd9 ffff881c559b0048 ffff881c559b0038
  22. Dec 7 21:22:25 compute6 kernel: [5523858.600132] 00007f59de800000 00007f59ce800000 ffffc90036a22008 ffffc90036a181e8
  23. Dec 7 21:22:25 compute6 kernel: [5523858.612102] Call Trace:
  24. Dec 7 21:22:25 compute6 kernel: [5523858.617950] [<ffffffffc036193e>] kvm_unmap_rmapp+0xe/0x20 [kvm]
  25. Dec 7 21:22:25 compute6 kernel: [5523858.623843] [<ffffffffc035dfd9>] kvm_handle_hva_range+0x119/0x170 [kvm]
  26. Dec 7 21:22:25 compute6 kernel: [5523858.629674] [<ffffffffc0368407>] kvm_unmap_hva_range+0x17/0x20 [kvm]
  27. Dec 7 21:22:25 compute6 kernel: [5523858.635407] [<ffffffffc03434e3>] kvm_mmu_notifier_invalidate_range_start+0x53/0x90 [kvm]
  28. Dec 7 21:22:25 compute6 kernel: [5523858.646558] [<ffffffff811d72a5>] __mmu_notifier_invalidate_range_start+0x55/0x80
  29. Dec 7 21:22:25 compute6 kernel: [5523858.657817] [<ffffffff811bd139>] change_protection_range+0x859/0x870
  30. Dec 7 21:22:25 compute6 kernel: [5523858.663552] [<ffffffff811bd164>] change_protection+0x14/0x30
  31. Dec 7 21:22:25 compute6 kernel: [5523858.669125] [<ffffffff811d4d2c>] change_prot_numa+0x1c/0x40
  32. Dec 7 21:22:25 compute6 kernel: [5523858.674559] [<ffffffff810b01b8>] task_numa_work+0x1f8/0x2f0
  33. Dec 7 21:22:25 compute6 kernel: [5523858.679888] [<ffffffff8109b336>] task_work_run+0x86/0xb0
  34. Dec 7 21:22:25 compute6 kernel: [5523858.685083] [<ffffffff81079836>] exit_to_usermode_loop+0x73/0xa2
  35. Dec 7 21:22:25 compute6 kernel: [5523858.690192] [<ffffffff81003a6e>] syscall_return_slowpath+0x4e/0x60
  36. Dec 7 21:22:25 compute6 kernel: [5523858.695222] [<ffffffff81802e98>] int_ret_from_sys_call+0x25/0x8f
  37. Dec 7 21:22:25 compute6 kernel: [5523858.700143] Code: 55 48 89 e5 41 54 53 48 8b 16 48 89 f3 48 85 d2 74 38 49 89 fc 31 c0 f6 c2 01 48 89 d6 74 07 48 83 e2 fe 48 8b 32 48 85 f6 74 1a <f6> 06 01 74 1e 4c 89 e7 e8 33 ff ff ff 48 8b 13 b8 01 00 00 00
  38. Dec 7 21:22:25 compute6 kernel: [5523858.715089] RIP [<ffffffffc0361900>] kvm_zap_rmapp+0x30/0x60 [kvm]
  39. Dec 7 21:22:25 compute6 kernel: [5523858.720002] RSP <ffff881c32fabbf8>
  40. Dec 7 21:22:25 compute6 kernel: [5523858.724779] CR2: 00000000fc0ff000
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