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kernel BUG at mm/vmstat.c:1420!
invalid opcode: 0000 [#1] PREEMPT SMP 
Modules linked in:
CPU: 1 PID: 614 Comm: kworker/1:1 Not tainted 4.4.179 #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: vmstat vmstat_update
task: ffff8800bb8dc400 ti: ffff8800bb0c8000 task.ti: ffff8800bb0c8000
RIP: 0010:[<ffffffff8129f01c>]  [<ffffffff8129f01c>] vmstat_update mm/vmstat.c:1420 [inline]
RIP: 0010:[<ffffffff8129f01c>]  [<ffffffff8129f01c>] vmstat_update+0x8c/0xc0 mm/vmstat.c:1391
RSP: 0018:ffff8800bb0cbd70  EFLAGS: 00010293
RAX: 0000000000000001 RBX: ffff88012b1abc40 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff82f4ce5a RDI: ffffffff82f07762
RBP: ffff8800bb0cbd90 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88012c116880
R13: ffffe8ffffd0a400 R14: ffff88012c110de0 R15: ffffffff83435738
FS:  0000000000000000(0000) GS:ffff88012c100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005614127db000 CR3: 00000000b86c3000 CR4: 00000000001406f0
Stack:
 ffff88012b1abc40 ffff88012c116880 ffffe8ffffd0a400 ffff88012c110de0
 ffff8800bb0cbe00 ffffffff8119354d ffffffff811934b4 ffff88012c1168e0
 0000000000000000 ffffffff84311ed0 ffffffff83da65e0 0000000000000000
Call Trace:
 [<ffffffff8119354d>] process_one_work+0x23d/0x800 kernel/workqueue.c:2064
 [<ffffffff81193b59>] worker_thread+0x49/0x460 kernel/workqueue.c:2196
 [<ffffffff81198da5>] kthread+0xe5/0x100 drivers/block/aoe/aoecmd.c:1311
 [<ffffffff82669d15>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510
Code: 41 5c 41 5d 41 5e 5d c3 e8 12 c0 62 00 83 f8 3f 77 1b 89 c0 f0 48 0f ab 05 ca 2e 07 03 72 0c 48 83 c4 08 41 5c 41 5d 41 5e 5d c3 <0f> 0b 80 3d 11 73 16 02 00 75 dc be 75 00 00 00 48 c7 c7 77 eb 
RIP  [<ffffffff8129f01c>] vmstat_update+0x8c/0xc0 mm/vmstat.c:1422
 RSP <ffff8800bb0cbd70>
---[ end trace c396ba570028c5e4 ]---