i-e5a366c8.log

[39355.705832] Memory cgroup out of memory: Kill process 8378 (php) score 999 or sacrifice child
[39355.712940] Killed process 8378 (php) total-vm:657284kB, anon-rss:408400kB, file-rss:0kB
[65425.582891] Memory cgroup out of memory: Kill process 8616 (ruby) score 809 or sacrifice child
[65425.589482] Killed process 8612 (wkhtmltoimage) total-vm:346084kB, anon-rss:56492kB, file-rss:0kB
[65427.755910] Memory cgroup out of memory: Kill process 8712 (ruby) score 810 or sacrifice child
[65427.760548] Killed process 8708 (wkhtmltoimage) total-vm:346212kB, anon-rss:56584kB, file-rss:0kB
[65431.124425] Memory cgroup out of memory: Kill process 8764 (ruby) score 810 or sacrifice child
[65431.129199] Killed process 8759 (wkhtmltoimage) total-vm:345964kB, anon-rss:56564kB, file-rss:0kB
[65435.164030] Memory cgroup out of memory: Kill process 8780 (ruby) score 810 or sacrifice child
[65435.168430] Killed process 8776 (wkhtmltoimage) total-vm:345944kB, anon-rss:56428kB, file-rss:0kB
[65440.526471] Memory cgroup out of memory: Kill process 8827 (ruby) score 810 or sacrifice child
[65440.531496] Killed process 8823 (wkhtmltoimage) total-vm:346096kB, anon-rss:56448kB, file-rss:0kB
[65446.824837] Memory cgroup out of memory: Kill process 8931 (ruby) score 810 or sacrifice child
[65446.830403] Killed process 8927 (wkhtmltoimage) total-vm:345988kB, anon-rss:56416kB, file-rss:0kB
[65576.640855] Memory cgroup out of memory: Kill process 8928 (ruby) score 948 or sacrifice child
[65576.646063] Killed process 8928 (ruby) total-vm:696556kB, anon-rss:387460kB, file-rss:44kB
[110055.674910] Memory cgroup out of memory: Kill process 2719 (mogrify) score 898 or sacrifice child
[110055.685307] Killed process 2719 (mogrify) total-vm:521372kB, anon-rss:367064kB, file-rss:0kB
[110567.180915] Memory cgroup out of memory: Kill process 20361 (QThread) score 1001 or sacrifice child
[110567.188976] Killed process 20361 (QThread) total-vm:2763416kB, anon-rss:394820kB, file-rss:14280kB
[111744.059123] Memory cgroup out of memory: Kill process 1219 (mogrify) score 897 or sacrifice child
[111744.070087] Killed process 1219 (mogrify) total-vm:521500kB, anon-rss:366052kB, file-rss:548kB
[113055.460737] Memory cgroup out of memory: Kill process 32110 (mogrify) score 899 or sacrifice child
[113055.467919] Killed process 32110 (mogrify) total-vm:521136kB, anon-rss:367492kB, file-rss:0kB
[113759.278059] Memory cgroup out of memory: Kill process 27778 (mogrify) score 896 or sacrifice child
[113759.285926] Killed process 27778 (mogrify) total-vm:521380kB, anon-rss:365892kB, file-rss:496kB
[114201.031298] Memory cgroup out of memory: Kill process 9531 (mogrify) score 898 or sacrifice child
[114201.038123] Killed process 9531 (mogrify) total-vm:521124kB, anon-rss:367156kB, file-rss:8kB
[151888.856153] BUG: unable to handle kernel NULL pointer dereference at           (null)
[151888.860056] IP: [<ffffffff81723d15>] _raw_spin_lock_irq+0x15/0x60
[151888.860056] PGD 168bb5067 PUD 1578e5067 PMD 0 
[151888.860056] Oops: 0002 [#1] SMP 
[151888.860056] Modules linked in: veth xt_addrtype xt_conntrack ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack bridge stp llc dm_thin_pool dm_persistent_data dm_bufio dm_bio_prison libcrc32c iptable_filter ip_tables x_tables isofs dm_crypt syscopyarea sysfillrect sysimgblt crct10dif_pclmul fb_sys_fops crc32_pclmul ghash_clmulni_intel serio_raw aesni_intel aes_x86_64 glue_helper lrw gf128mul ablk_helper cryptd floppy psmouse
[151888.860056] CPU: 0 PID: 8 Comm: rcuos/0 Not tainted 3.13.0-32-generic #57-Ubuntu
[151888.860056] Hardware name: Xen HVM domU, BIOS 4.2.amazon 03/05/2014
[151888.860056] task: ffff8803cb382fe0 ti: ffff8803cb38a000 task.ti: ffff8803cb38a000
[151888.860056] RIP: 0010:[<ffffffff81723d15>]  [<ffffffff81723d15>] _raw_spin_lock_irq+0x15/0x60
[151888.860056] RSP: 0000:ffff8803cb38be00  EFLAGS: 00010082
[151888.860056] RAX: 0000000000020000 RBX: 0000000000000010 RCX: 0000000000004ce8
[151888.860056] RDX: 000060fc1f801f68 RSI: 000000004cea4ce8 RDI: 0000000000000000
[151888.860056] RBP: ffff8803cb38be00 R08: 0000000000000286 R09: 00000000000001d8
[151888.860056] R10: ffffffff810905e8 R11: ffffea0005860840 R12: ffff8801773f6170
[151888.860056] R13: ffff8801773f60c0 R14: 0000000000000071 R15: 0000000000000003
[151888.860056] FS:  0000000000000000(0000) GS:ffff8803e0400000(0000) knlGS:0000000000000000
[151888.860056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[151888.860056] CR2: 0000000000000000 CR3: 0000000168974000 CR4: 00000000001406f0
[151888.860056] Stack:
[151888.860056]  ffff8803cb38be28 ffffffff81351a92 ffff8801773f6170 ffff8801304ebd00
[151888.860056]  ffff8801335022d0 ffff8803cb38bec8 ffffffff810c7eb1 ffff8803cb382fe0
[151888.860056]  ffff8803cb382fe0 ffff8803e040e960 ffff8803cb38be90 ffff8803e040e938
[151888.860056] Call Trace:
[151888.860056]  [<ffffffff81351a92>] __blkg_release_rcu+0x72/0x150
[151888.860056]  [<ffffffff810c7eb1>] rcu_nocb_kthread+0x1d1/0x2e0
[151888.860056]  [<ffffffff810aaf00>] ? prepare_to_wait_event+0x100/0x100
[151888.860056]  [<ffffffff810c7ce0>] ? __call_rcu_nocb_enqueue+0xc0/0xc0
[151888.860056]  [<ffffffff8108b3d2>] kthread+0xd2/0xf0
[151888.860056]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
[151888.860056]  [<ffffffff8172c5bc>] ret_from_fork+0x7c/0xb0
[151888.860056]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
[151888.860056] Code: 75 f1 ff 14 25 40 7b c2 81 eb e3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 fa 66 0f 1f 44 00 00 b8 00 00 02 00 <f0> 0f c1 07 89 c2 c1 ea 10 66 39 c2 75 02 5d c3 83 e2 fe 0f b7 
[151888.860056] RIP  [<ffffffff81723d15>] _raw_spin_lock_irq+0x15/0x60
[151888.860056]  RSP <ffff8803cb38be00>
[151888.860056] CR2: 0000000000000000
[151888.860056] ---[ end trace 6ff6e8dd430186a9 ]---
[151888.860056] Kernel panic - not syncing: Fatal exception in interrupt