------------[ cut here ]------------ kernel BUG at mm/vmstat.c:1425! invalid opcode: 0000 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 2399 Comm: kworker/1:2 Not tainted 4.4.178 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: vmstat vmstat_update task: ffff88012aee4600 ti: ffff8800ba1c4000 task.ti: ffff8800ba1c4000 RIP: 0010:[] [] vmstat_update mm/vmstat.c:1425 [inline] RIP: 0010:[] [] vmstat_update+0x8c/0xc0 mm/vmstat.c:1396 RSP: 0018:ffff8800ba1c7d70 EFLAGS: 00010293 RAX: 0000000000000001 RBX: ffff88012b17da00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff82f4ccc7 RDI: ffffffff82f0761a RBP: ffff8800ba1c7d90 R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88012c116880 R13: ffffe8ffffd0a400 R14: ffff88012c110de0 R15: ffffffff834354f8 FS: 0000000000000000(0000) GS:ffff88012c100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563840af7000 CR3: 00000000b3f3a000 CR4: 00000000001406f0 Stack: ffff88012b17da00 ffff88012c116880 ffffe8ffffd0a400 ffff88012c110de0 ffff8800ba1c7e00 ffffffff8119354d ffffffff811934b4 ffff88012c1168e0 0000000000000000 ffffffff84311ed0 ffffffff83da7510 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 f2 b9 62 00 83 f8 3f 77 1b 89 c0 f0 48 0f ab 05 ea 2e 07 03 72 0c 48 83 c4 08 41 5c 41 5d 41 5e 5d c3 <0f> 0b 80 3d f1 70 16 02 00 75 dc be 75 00 00 00 48 c7 c7 8f eb RIP [] vmstat_update+0x8c/0xc0 mm/vmstat.c:1427 RSP ---[ end trace 158fb53f8e636ef5 ]---