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. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/889295 Title: Server Freezes using kvm (openstack-nova) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/889295/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
