Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450207] BUG: soft lockup - CPU#0 stuck for 40s! [ps:17019]
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450221] Modules linked in: isofs acpiphp
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450226] CPU 0 
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450227] Modules linked in: isofs acpiphp
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450230] 
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450233] Pid: 17019, comm: ps Not tainted 3.2.0-52-virtual #78-Ubuntu  
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450236] RIP: e030:[<ffffffff8100122a>]  [<ffffffff8100122a>] hypercall_page+0x22a/0x1000
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450248] RSP: e02b:ffff880023c8bdc8  EFLAGS: 00000246
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450249] RAX: 0000000000030004 RBX: ffff880023c8bf58 RCX: ffffffff8100122a
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450251] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450253] RBP: ffff880023c8bde0 R08: 0000000000000007 R09: 0000000000000000
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450255] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000028
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450256] R13: 0000000000000000 R14: ffff880023472068 R15: ffff880023472000
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450262] FS:  00007f3b0165e700(0000) GS:ffff880026400000(0000) knlGS:0000000000000000
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450265] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450266] CR2: 00007f3b01663000 CR3: 00000000243e6000 CR4: 0000000000002660
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450269] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450271] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450273] Process ps (pid: 17019, threadinfo ffff880023c8a000, task ffff8800028a8000)
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450275] Stack:
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450278]  0000000000000246 00000000ffffffff ffffffff8100a53d ffff880023c8bf48
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450282]  ffffffff8100ad02 0000000000000246 0000000000000001 0000000000000000
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450285]  0000000000000007 ffff880023c8bf58 0000000000000004 0000000000000000
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450288] Call Trace:
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450297]  [<ffffffff8100a53d>] ? xen_force_evtchn_callback+0xd/0x10
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450300]  [<ffffffff8100ad02>] check_events+0x12/0x20
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450303]  [<ffffffff8100aca9>] ? xen_irq_enable_direct_reloc+0x4/0x4
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450310]  [<ffffffff8165d0a7>] ? do_page_fault+0x1e7/0x550
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450316]  [<ffffffff81142d28>] ? do_mmap_pgoff+0x348/0x360
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450322]  [<ffffffff8120ff7c>] ? ext4_llseek+0x2c/0x50
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450325]  [<ffffffff81659c75>] page_fault+0x25/0x30
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450327] Code: cc 51 41 53 b8 10 00 00 00 0f 05 41 5b 59 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 51 4
1 53 b8 11 00 00 00 0f 05 <41> 5b 59 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450384] Call Trace:
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450387]  [<ffffffff8100a53d>] ? xen_force_evtchn_callback+0xd/0x10
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450389]  [<ffffffff8100ad02>] check_events+0x12/0x20
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450392]  [<ffffffff8100aca9>] ? xen_irq_enable_direct_reloc+0x4/0x4
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450395]  [<ffffffff8165d0a7>] ? do_page_fault+0x1e7/0x550
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450397]  [<ffffffff81142d28>] ? do_mmap_pgoff+0x348/0x360
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450400]  [<ffffffff8120ff7c>] ? ext4_llseek+0x2c/0x50
Aug 29 04:28:45 ip-10-245-130-205 kernel: [11693.450402]  [<ffffffff81659c75>] page_fault+0x25/0x30


Aug 29 04:35:28 ip-10-245-130-205 kernel: [12107.159130] BUG: soft lockup - CPU#0 stuck for 29s! [free:17142]
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159149] Modules linked in: isofs acpiphp
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159155] CPU 0 
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159156] Modules linked in: isofs acpiphp
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159160] 
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159164] Pid: 17142, comm: free Not tainted 3.2.0-52-virtual #78-Ubuntu  
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159168] RIP: e030:[<ffffffff8100122a>]  [<ffffffff8100122a>] hypercall_page+0x22a/0x1000
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159184] RSP: e02b:ffff880023b799a8  EFLAGS: 00000246
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159186] RAX: 0000000000030004 RBX: ffff880023bb8000 RCX: ffffffff8100122a
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159188] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159189] RBP: ffff880023b799c0 R08: 0000000000000000 R09: 0000000000016470
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159191] R10: 0000000000007ff0 R11: 0000000000000246 R12: 00000001a85fe067
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159193] R13: 0000000000000201 R14: ffff8800238d5564 R15: ffff880023b22000
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159203] FS:  00007fbd0edcc700(0000) GS:ffff880026400000(0000) knlGS:0000000000000000
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159205] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159207] CR2: 0000000000602078 CR3: 0000000023b22000 CR4: 0000000000002660
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159209] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159211] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159214] Process free (pid: 17142, threadinfo ffff880023b78000, task ffff880023f40000)
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159216] Stack:
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159219]  0000000000000000 0000000000000000 ffffffff8100a53d ffff880023b79a78
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159223]  ffffffff8100ad02 0000000000000000 0000000000007ff0 0000000000016470
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159226]  0000000000000000 0000000000000201 0000000080000001 0000000000000000
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159229] Call Trace:
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159240]  [<ffffffff8100a53d>] ? xen_force_evtchn_callback+0xd/0x10
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159244]  [<ffffffff8100ad02>] check_events+0x12/0x20
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159247]  [<ffffffff8100acef>] ? xen_restore_fl_direct_reloc+0x4/0x4                                           [0/139]
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159250]  [<ffffffff81007dce>] ? xen_set_pud_hyper+0x7e/0x140
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159253]  [<ffffffff81005a88>] ? pte_pfn_to_mfn+0x88/0xa0
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159256]  [<ffffffff81007f37>] xen_set_pud+0xa7/0xb0
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159261]  [<ffffffff8113cc0d>] __pmd_alloc+0xbd/0xe0
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159264]  [<ffffffff8113dd0d>] handle_mm_fault+0x32d/0x370
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159274]  [<ffffffff8165d044>] do_page_fault+0x184/0x550
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159279]  [<ffffffff81142723>] ? mmap_region+0x233/0x4f0
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159282]  [<ffffffff81659c75>] page_fault+0x25/0x30
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159288]  [<ffffffff81317e54>] ? __clear_user+0x24/0x50
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159290]  [<ffffffff81317ff6>] clear_user+0x36/0x40
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159297]  [<ffffffff811c7ccd>] padzero+0x2d/0x40
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159300]  [<ffffffff811c987b>] load_elf_binary+0xa4b/0xe80
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159308]  [<ffffffff8117e114>] search_binary_handler+0x124/0x330
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159310]  [<ffffffff811c8e30>] ? do_mmap+0x40/0x40
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159313]  [<ffffffff8117f4dd>] do_execve_common.isra.26+0x2ad/0x340
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159316]  [<ffffffff8117f58b>] do_execve+0x1b/0x20
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159321]  [<ffffffff8101d597>] sys_execve+0x47/0x70
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159325]  [<ffffffff81661f9c>] stub_execve+0x6c/0xc0
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.159327] Code: cc 51 41 53 b8 10 00 00 00 0f 05 41 5b 59 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 51 4
1 53 b8 11 00 00 00 0f 05 <41> 5b 59 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071] Call Trace:
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff8100a53d>] ? xen_force_evtchn_callback+0xd/0x10
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff8100ad02>] check_events+0x12/0x20
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff8100acef>] ? xen_restore_fl_direct_reloc+0x4/0x4
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff81007dce>] ? xen_set_pud_hyper+0x7e/0x140
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff81005a88>] ? pte_pfn_to_mfn+0x88/0xa0
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff81007f37>] xen_set_pud+0xa7/0xb0
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff8113cc0d>] __pmd_alloc+0xbd/0xe0
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff8113dd0d>] handle_mm_fault+0x32d/0x370
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff8165d044>] do_page_fault+0x184/0x550
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff81142723>] ? mmap_region+0x233/0x4f0
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff81659c75>] page_fault+0x25/0x30
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff81317e54>] ? __clear_user+0x24/0x50
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff81317ff6>] clear_user+0x36/0x40
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff811c7ccd>] padzero+0x2d/0x40
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff811c987b>] load_elf_binary+0xa4b/0xe80
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff8117e114>] search_binary_handler+0x124/0x330
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff811c8e30>] ? do_mmap+0x40/0x40
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff8117f4dd>] do_execve_common.isra.26+0x2ad/0x340
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff8117f58b>] do_execve+0x1b/0x20
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff8101d597>] sys_execve+0x47/0x70
Aug 29 04:35:29 ip-10-245-130-205 kernel: [12107.163071]  [<ffffffff81661f9c>] stub_execve+0x6c/0xc0