These are the lines in the syslogs regarding the error:


Nov 11 16:08:22 shcloud-controller kernel: [118784.365233] general protection fault: 0000 [#1] SMP
Nov 11 16:08:22 shcloud-controller kernel: [118784.365276] CPU 2
Nov 11 16:08:22 shcloud-controller kernel: [118784.365291] Modules linked in: ebt_arp ebt_ip ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp kvm_intel kvm snd_hda_codec_realtek snd_hda_intel snd_hda_codec i915 snd_hwdep snd_pcm snd_timer snd soundcore drm_kms_helper snd_page_alloc drm i2c_algo_bit video dm_multipath ppdev parport_pc lp parport r8169
Nov 11 16:08:22 shcloud-controller kernel: [118784.365653]
Nov 11 16:08:22 shcloud-controller kernel: [118784.365666] Pid: 10050, comm: bash Not tainted 3.0.0-12-server #20-Ubuntu Gigabyte Technology Co., Ltd. G31M-S2L/G31M-S2L
Nov 11 16:08:22 shcloud-controller kernel: [118784.365737] RIP: 0010:[<ffffffff81168ee6>]  [<ffffffff81168ee6>] fget_light+0x96/0xe0
Nov 11 16:08:22 shcloud-controller kernel: [118784.365791] RSP: 0018:ffff880028fdff28  EFLAGS: 00010206
Nov 11 16:08:22 shcloud-controller kernel: [118784.365823] RAX: ffff880028e39c80 RBX: 0000000000000000 RCX: 0000000000000008
Nov 11 16:08:22 shcloud-controller kernel: [118784.365866] RDX: 0000880137e0a3c0 RSI: ffff880028fdff54 RDI: ffff880020d927f8
Nov 11 16:08:22 shcloud-controller kernel: [118784.365908] RBP: ffff880028fdff28 R08: 0000000000000001 R09: ffff880020d92000
Nov 11 16:08:22 shcloud-controller kernel: [118784.365951] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000000000ff
Nov 11 16:08:22 shcloud-controller kernel: [118784.365994] R13: 0000000000005410 R14: 00007fff76816acc R15: 00000000ffffffff
Nov 11 16:08:22 shcloud-controller kernel: [118784.366037] FS:  00007fd3ee094720(0000) GS:ffff88013fd00000(0000) knlGS:0000000000000000
Nov 11 16:08:22 shcloud-controller kernel: [118784.366084] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Nov 11 16:08:22 shcloud-controller kernel: [118784.366120] CR2: 00000000fb4710b8 CR3: 0000000028c10000 CR4: 00000000000026e0
Nov 11 16:08:22 shcloud-controller kernel: [118784.366162] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Nov 11 16:08:22 shcloud-controller kernel: [118784.366204] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Nov 11 16:08:22 shcloud-controller kernel: [118784.366247] Process bash (pid: 10050, threadinfo ffff880028fde000, task ffff880105824560)
Nov 11 16:08:22 shcloud-controller kernel: [118784.366294] Stack:
Nov 11 16:08:22 shcloud-controller kernel: [118784.366310]  ffff880028fdff78 ffffffff8117937f dead000000200200 0000000000390000
Nov 11 16:08:22 shcloud-controller kernel: [118784.366364]  ffff880028fdff78 00000000810742c8 0000000000000000 0000000000000000
Nov 11 16:08:22 shcloud-controller kernel: [118784.366418]  0000000000000004 0000000000000000 0000000000002742 ffffffff81606c02
Nov 11 16:08:22 shcloud-controller kernel: [118784.366472] Call Trace:
Nov 11 16:08:22 shcloud-controller kernel: [118784.366493]  [<ffffffff8117937f>] sys_ioctl+0x2f/0xa0
Nov 11 16:08:22 shcloud-controller kernel: [118784.366528]  [<ffffffff81606c02>] system_call_fastpath+0x16/0x1b
Nov 11 16:08:22 shcloud-controller kernel: [118784.366564] Code: 75 4a c7 06 01 00 00 00 48 89 d0 5d c3 0f 1f 84 00 00 00 00 00 3b 38 73 ef 4c 8b 48 08 89 ff 49 8d 3c f9 48 8b 17 48 85 d2 74 dd <f6> 42 3d 40 b8 00 00 00 00 5d 48 0f 45 d0 48 89 d0 c3 0f 1f 84
Nov 11 16:08:22 shcloud-controller kernel: [118784.366849] RIP  [<ffffffff81168ee6>] fget_light+0x96/0xe0
Nov 11 16:08:22 shcloud-controller kernel: [118784.366885]  RSP <ffff880028fdff28>
Nov 11 16:08:22 shcloud-controller kernel: [118784.396335] ---[ end trace 9dd837d76860ea6f ]---
Nov 11 16:08:22 shcloud-controller kernel: [118784.396991] general protection fault: 0000 [#2] SMP
Nov 11 16:08:22 shcloud-controller kernel: [118784.397031] CPU 2
Nov 11 16:08:22 shcloud-controller kernel: [118784.397046] Modules linked in: ebt_arp ebt_ip ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp kvm_intel kvm snd_hda_codec_realtek snd_hda_intel snd_hda_codec i915 snd_hwdep snd_pcm snd_timer snd soundcore drm_kms_helper snd_page_alloc drm i2c_algo_bit video dm_multipath ppdev parport_pc lp parport r8169
Nov 11 16:08:22 shcloud-controller kernel: [118784.397465]
Nov 11 16:08:22 shcloud-controller kernel: [118784.397479] Pid: 10050, comm: bash Tainted: G      D     3.0.0-12-server #20-Ubuntu Gigabyte Technology Co., Ltd. G31M-S2L/G31M-S2L
Nov 11 16:08:22 shcloud-controller kernel: [118784.397559] RIP: 0010:[<ffffffff811656e9>]  [<ffffffff811656e9>] filp_close+0x19/0x90
Nov 11 16:08:22 shcloud-controller kernel: [118784.397615] RSP: 0018:ffff880028fdfcc8  EFLAGS: 00010282
Nov 11 16:08:22 shcloud-controller kernel: [118784.397649] RAX: ffff880020d927f8 RBX: 00000000000000c0 RCX: 0000000000000000
Nov 11 16:08:22 shcloud-controller kernel: [118784.397693] RDX: ffff8801352b2940 RSI: ffff8801352b2940 RDI: 0000880137e0a3c0
Nov 11 16:08:22 shcloud-controller kernel: [118784.397737] RBP: ffff880028fdfce8 R08: ffffffff81132ce5 R09: ffff88013fbf8d78
Nov 11 16:08:22 shcloud-controller kernel: [118784.397781] R10: 0000000000000015 R11: 0000000000015c88 R12: 0000000000000004
Nov 11 16:08:22 shcloud-controller kernel: [118784.399769] R13: 0000000000000001 R14: ffff880028e39c80 R15: 00000000000000ff
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002] FS:  0000000000000000(0000) GS:ffff88013fd00000(0000) knlGS:0000000000000000
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002] CR2: 00000000fb4710b8 CR3: 0000000001c03000 CR4: 00000000000026e0
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002] Process bash (pid: 10050, threadinfo ffff880028fde000, task ffff880105824560)
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002] Stack:
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  ffffea000431ffd0 00000000000000c0 0000000000000004 0000000000000001
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  ffff880028fdfd38 ffffffff81060f4a 0000000000000000 ffff8801352b2940
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  ffff880105824b60 ffff8801352b2940 ffff880105824b60 ffff880105824560
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002] Call Trace:
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  [<ffffffff81060f4a>] put_files_struct.part.14+0x7a/0xe0
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  [<ffffffff810629a8>] put_files_struct+0x18/0x20
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  [<ffffffff81062a74>] exit_files+0x54/0x70
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  [<ffffffff81062f8d>] do_exit+0x19d/0x440
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  [<ffffffff815ffcd0>] oops_end+0xb0/0xf0
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  [<ffffffff8100d8c8>] die+0x58/0x90
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  [<ffffffff815ff7c2>] do_general_protection+0x162/0x170
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  [<ffffffff815fefe5>] general_protection+0x25/0x30
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  [<ffffffff81168ee6>] ? fget_light+0x96/0xe0
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  [<ffffffff8117937f>] sys_ioctl+0x2f/0xa0
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  [<ffffffff81606c02>] system_call_fastpath+0x16/0x1b
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002] Code: 00 00 00 00 e8 f9 e2 f8 ff 48 83 c4 18 5b 5d c3 66 90 55 48 89 e5 48 83 ec 20 48 89 5d e8 4c 89 65 f0 4c 89 6d f8 66 66 66 66 90
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002] RIP  [<ffffffff811656e9>] filp_close+0x19/0x90
Nov 11 16:08:22 shcloud-controller kernel: [118784.400002]  RSP <ffff880028fdfcc8>
Nov 11 16:08:22 shcloud-controller kernel: [118784.446878] ---[ end trace 9dd837d76860ea70 ]---
Nov 11 16:08:22 shcloud-controller kernel: [118784.448551] Fixing recursive fault but reboot is needed!
Nov 11 16:08:39 shcloud-controller dnsmasq-dhcp[2451]: DHCPREQUEST(br100) 10.0.0.4 02:16:3e:40:a4:f5
Nov 11 16:08:39 shcloud-controller dnsmasq-dhcp[2451]: DHCPACK(br100) 10.0.0.4 02:16:3e:40:a4:f5 reverse-proxy
Nov 11 16:08:50 shcloud-controller dnsmasq-dhcp[2451]: DHCPREQUEST(br100) 10.0.0.2 02:16:3e:01:ec:88
Nov 11 16:08:50 shcloud-controller dnsmasq-dhcp[2451]: DHCPACK(br100) 10.0.0.2 02:16:3e:01:ec:88 creatorserver
Nov 11 16:09:01 shcloud-controller kernel: [118823.810910] BUG: unable to handle kernel NULL pointer dereference at           (null)
Nov 11 16:09:01 shcloud-controller kernel: [118823.812004] IP: [<ffffffffa0263456>] gfn_to_rmap+0x26/0x70 [kvm]
Nov 11 16:09:01 shcloud-controller kernel: [118823.812004] PGD 0
Nov 11 16:09:01 shcloud-controller kernel: [118823.812004] Oops: 0000 [#3] SMP
Nov 11 16:09:01 shcloud-controller kernel: [118823.812004] CPU 1
Nov 11 16:09:01 shcloud-controller kernel: [118823.812004] Modules linked in: ebt_arp ebt_ip ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp kvm_intel kvm snd_hda_codec_realtek snd_hda_intel snd_hda_codec i915 snd_hwdep snd_pcm snd_timer snd soundcore drm_kms_helper snd_page_alloc drm i2c_algo_bit video dm_multipath ppdev parport_pc lp parport r8169
Nov 11 16:09:01 shcloud-controller kernel: [118823.812004]
Nov 11 16:09:01 shcloud-controller kernel: [118823.812004] Pid: 3197, comm: kvm Tainted: G      D     3.0.0-12-server #20-Ubuntu Gigabyte Technology Co., Ltd. G31M-S2L/G31M-S2L
Nov 11 16:09:01 shcloud-controller kernel: [118823.812004] RIP: 0010:[<ffffffffa0263456>]  [<ffffffffa0263456>] gfn_to_rmap+0x26/0x70 [kvm]
Nov 11 16:09:01 shcloud-controller kernel: [118823.812004] RSP: 0018:ffff8800b9e6b898  EFLAGS: 00010246
Nov 11 16:09:01 shcloud-controller kernel: [118823.812004] RAX: 0000000000000000 RBX: fffffffffffff001 RCX: 00000000000fee01
Nov 11 16:09:01 shcloud-controller kernel: [118823.812004] RDX: 0000000000000022 RSI: fffffffffffff001 RDI: ffff88013809e000
Nov 11 16:09:01 shcloud-controller kernel: [118823.812004] RBP: ffff8800b9e6b8a8 R08: 0000000000000022 R09: 0000000000000301
Nov 11 16:09:01 shclNov 11 16:18:15 shcloud-controller kernel: imklog 5.8.1, log source = /proc/kmsg started.