------------[ cut here ]------------ kernel BUG at mm/vmstat.c:1420! invalid opcode: 0000 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 16 Comm: kworker/1:0 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: ffff88012b7a4440 ti: ffff88012b7a8000 task.ti: ffff88012b7a8000 RIP: 0010:[] [] vmstat_update mm/vmstat.c:1420 [inline] RIP: 0010:[] [] vmstat_update+0x8c/0xc0 mm/vmstat.c:1391 RSP: 0018:ffff88012b7abd70 EFLAGS: 00010293 RAX: 0000000000000001 RBX: ffff88012b70b880 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff82f4ce5a RDI: ffffffff82f07762 RBP: ffff88012b7abd90 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: 00007fff1e880f70 CR3: 00000000b8637000 CR4: 00000000001406f0 Stack: ffff88012b70b880 ffff88012c116880 ffffe8ffffd0a400 ffff88012c110de0 ffff88012b7abe00 ffffffff8119354d ffffffff811934b4 ffff88012c1168e0 0000000000000000 ffffffff84311ed0 ffffffff83da6e50 0000000000000000 Call Trace: [] process_one_work+0x23d/0x800 kernel/workqueue.c:2064 [] worker_thread+0x49/0x460 kernel/workqueue.c:2196 [] kthread+0xe5/0x100 drivers/block/aoe/aoecmd.c:1311 [] 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 [] vmstat_update+0x8c/0xc0 mm/vmstat.c:1422 RSP ---[ end trace 060c1622833ecc9c ]---