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[ 5976.122873] CPU: 24 PID: 28732 Comm: dynamo-writer Not tainted 4.4.0-1030-aws #39-Ubuntu
[ 5976.126011] Hardware name: Xen HVM domU, BIOS 4.2.amazon 08/24/2006
[ 5976.128601] task: ffff880eb9721b80 ti: ffff880eb9674000 task.ti: ffff880eb9674000
[ 5976.131565] RIP: 0010:[<ffffffff811f948b>]  [<ffffffff811f948b>] page_counter_cancel+0xb/0x40
[ 5976.135103] RSP: 0018:ffff880eb9677a60  EFLAGS: 00010297
[ 5976.137240] RAX: ffffffffffffffff RBX: 80000000000000c0 RCX: 0000000000000001
[ 5976.140075] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 80000000000000c0
[ 5976.143239] RBP: ffff880eb9677a78 R08: 0000000000000000 R09: ffffea001ca36a80
[ 5976.146414] R10: 0000000000000001 R11: 000000000000000a R12: 0000000000000001
[ 5976.149536] R13: 0000000000000000 R14: ffffea001ca36a80 R15: 0000000000000001
[ 5976.152496] FS:  00007fa1c57fa700(0000) GS:ffff88075a1c0000(0000) knlGS:0000000000000000
[ 5976.156191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5976.158734] CR2: 00007fa1c57fa9e0 CR3: 00000007548b1000 CR4: 00000000001406e0
[ 5976.162022] Stack:
[ 5976.163254]  ffffffff811f95b2 8000000000000000 0000000000000001 ffff880eb9677ac0
[ 5976.168095]  ffffffff811fda26 0000000000000001 0000000000000000 ffffea001ca36aa0
[ 5976.172109]  ffff880eb9677b40 0000000000000001 ffffea001c739de0 ffffea001ca36a80
[ 5976.175937] Call Trace:
[ 5976.177195]  [<ffffffff811f95b2>] ? page_counter_uncharge+0x22/0x40
[ 5976.179941]  [<ffffffff811fda26>] uncharge_batch+0x46/0x170
[ 5976.182298]  [<ffffffff811fdbb4>] uncharge_list+0x64/0xd0
[ 5976.184687]  [<ffffffff812006e8>] mem_cgroup_uncharge_list+0x18/0x20
[ 5976.187289]  [<ffffffff8119d33e>] release_pages+0xce/0x2b0
[ 5976.189694]  [<ffffffff811d29fd>] free_pages_and_swap_cache+0x7d/0x90
[ 5976.192306]  [<ffffffff811bb7e6>] tlb_flush_mmu_free+0x36/0x60
[ 5976.194901]  [<ffffffff811bc9dc>] tlb_finish_mmu+0x1c/0x50
[ 5976.197180]  [<ffffffff811c7c36>] exit_mmap+0xd6/0x170
[ 5976.199345]  [<ffffffff8107d137>] mmput+0x57/0x130
[ 5976.201417]  [<ffffffff81082efa>] do_exit+0x27a/0xb00
[ 5976.203535]  [<ffffffff810fefde>] ? futex_wait+0x16e/0x280
[ 5976.205977]  [<ffffffff81083803>] do_group_exit+0x43/0xb0
[ 5976.208206]  [<ffffffff8108fa52>] get_signal+0x292/0x600
[ 5976.210435]  [<ffffffff8102e567>] do_signal+0x37/0x6f0
[ 5976.212589]  [<ffffffff8113af6f>] ? seccomp_phase1+0x9f/0x280
[ 5976.214975]  [<ffffffff816edf40>] ? SYSC_connect+0x90/0x110
[ 5976.217258]  [<ffffffff8100320c>] exit_to_usermode_loop+0x8c/0xd0
[ 5976.219754]  [<ffffffff81003c6e>] syscall_return_slowpath+0x4e/0x60
[ 5976.222375]  [<ffffffff81815810>] int_ret_from_sys_call+0x25/0x8f
[ 5976.224945] Code: 8b 4d e8 48 8b 55 f0 e9 5b ff ff ff 48 8b 7a 40 e8 3b fe ff ff 48 83 c4 10 5b 5d c3 0f 1f 40 00 0f 1f 44 00 00 48 89 f0 48 f7 d8 <f0> 48 0f c1 07 48 39 f0 78 01 c3 80 3d 36 03 d1 00 00 75 f6 55 
[ 5976.237217] RIP  [<ffffffff811f948b>] page_counter_cancel+0xb/0x40
[ 5976.239827]  RSP <ffff880eb9677a60>
[ 5976.242970] ---[ end trace 04f39506ea1cf4b2 ]---
[ 5976.245202] Fixing recursive fault but reboot is needed!
[ 7236.181486] general protection fault: 0000 [#2] SMP 
[ 7236.186029] Modules linked in: binfmt_misc veth ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user xfrm_algo xt_addrtype iptable_filter xt_conntrack br_netfilter bridge stp llc overlay xt_REDIRECT nf_nat_redirect xt_nat xt_tcpudp iptable_nat nf_nat_ipv4 nf_nat ip_tables x_tables isofs ppdev serio_raw parport_pc parport ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd ixgbevf
[ 7236.242252] CPU: 16 PID: 0 Comm: swapper/16 Tainted: G      D         4.4.0-1030-aws #39-Ubuntu
[ 7236.246966] Hardware name: Xen HVM domU, BIOS 4.2.amazon 08/24/2006
[ 7236.250325] task: ffff880eecf10000 ti: ffff880eecf0c000 task.ti: ffff880eecf0c000
[ 7236.254588] RIP: 0010:[<ffffffff810b3b4c>]  [<ffffffff810b3b4c>] pick_next_entity+0x4c/0x130
[ 7236.259253] RSP: 0018:ffff880eecf0fdc8  EFLAGS: 00010086
[ 7236.261986] RAX: 8000000000000000 RBX: ffff880ef03d6d70 RCX: 0000000000000000
[ 7236.265179] RDX: ffff880eecf10000 RSI: 0000000000000000 RDI: ffff880ef03d6d70
[ 7236.268451] RBP: ffff880eecf0fde8 R08: 0000000000003880 R09: 0000000000000000
[ 7236.271743] R10: 00000001001a7134 R11: 000000000000070d R12: ffff880edef6c200
[ 7236.275006] R13: ffff880edef6c200 R14: 0000000000000000 R15: ffff880ef03d6d00
[ 7236.278133] FS:  0000000000000000(0000) GS:ffff880ef03c0000(0000) knlGS:0000000000000000
[ 7236.282183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7236.284968] CR2: 00007f48e2a19000 CR3: 0000000001e0a000 CR4: 00000000001406e0
[ 7236.288156] Stack:
[ 7236.289387]  ffff880ef03d6d00 ffff880ef03d6d70 ffff880eecf10000 ffff880ef03d6d00
[ 7236.293239]  ffff880eecf0fe58 ffffffff810bd1e9 ffff880ef03d6d70 0000000000016d00
[ 7236.297244]  00000693c0a4fe7d ffff880eecf10000 00000693b83338bf 0000000000000000
[ 7236.301310] Call Trace:
[ 7236.302531]  [<ffffffff810bd1e9>] pick_next_task_fair+0x79/0x4f0
[ 7236.305286]  [<ffffffff81811123>] __schedule+0x5f3/0xa30
[ 7236.307730]  [<ffffffff81811595>] schedule+0x35/0x80
[ 7236.310058]  [<ffffffff8181183e>] schedule_preempt_disabled+0xe/0x10
[ 7236.312826]  [<ffffffff810c3571>] cpu_startup_entry+0x191/0x350
[ 7236.315482]  [<ffffffff81051004>] start_secondary+0x154/0x190
[ 7236.318086] Code: c5 49 83 ed 10 74 6a 48 85 f6 74 0a 48 8b 40 40 48 39 46 50 78 5b 4c 8b 73 50 4d 39 ee 74 66 4d 89 ec 48 8b 43 48 48 85 c0 74 10 <48> 8b 78 50 4c 89 e6 e8 58 ff ff ff 85 c0 7e 44 48 8b 43 40 48 
[ 7236.331405] RIP  [<ffffffff810b3b4c>] pick_next_entity+0x4c/0x130
[ 7236.334162]  RSP <ffff880eecf0fdc8>
[ 7236.337849] ---[ end trace 04f39506ea1cf4b3 ]---
[ 7236.340306] Kernel panic - not syncing: Attempted to kill the idle task!
[ 7237.391879] Shutting down cpus with NMI
[ 7237.404397] Kernel Offset: disabled