unwind stack type:0 next_sp:          (null) mask:0x6 graph_idx:0
ffff8801db2076e0: ffff8801db207768 (0xffff8801db207768)
ffff8801db2076e8: ffffffff8127e0de (__save_stack_trace+0x6e/0xd0)
ffff8801db2076f0: 0000000000000000 ...
ffff8801db2076f8: ffff8801c0420000 (0xffff8801c0420000)
ffff8801db207700: ffff8801c0428000 (0xffff8801c0428000)
ffff8801db207708: 0000000000000000 ...
ffff8801db207710: 0000000000000006 (0x6)
ffff8801db207718: ffff8801c0170500 (0xffff8801c0170500)
ffff8801db207720: 0000010100000000 (0x10100000000)
ffff8801db207728: 0000000000000000 ...
ffff8801db207730: ffff8801db2076e0 (0xffff8801db2076e0)
ffff8801db207738: ffffffff8138289f (loop1+0x3cf/0x88a)
ffff8801db207740: ffff8801c0427058 (0xffff8801c0427058)
ffff8801db207748: ffff8801c0177120 (0xffff8801c0177120)
ffff8801db207750: ffff8801c0170500 (0xffff8801c0170500)
ffff8801db207758: ffff8801c0177118 (0xffff8801c0177118)
ffff8801db207760: ffff8801c0177138 (0xffff8801c0177138)
ffff8801db207768: ffff8801db207778 (0xffff8801db207778)
ffff8801db207770: ffffffff8127e156 (save_stack_trace+0x16/0x20)
ffff8801db207778: ffff8801db207c88 (0xffff8801db207c88)
ffff8801db207780: ffffffff8154cf6d (__lock_acquire+0x20fd/0x4620)
ffff8801db207788: 0000000000000082 (0x82)
ffff8801db207790: ffff8801c0170d90 (0xffff8801c0170d90)
ffff8801db207798: ffff880100000002 (0xffff880100000002)
ffff8801db2077a0: ffff880100000002 (0xffff880100000002)
ffff8801db2077a8: 0000000000000082 (0x82)
ffff8801db2077b0: ffff8801c0170500 (0xffff8801c0170500)
ffff8801db2077b8: 0000000041b58ab3 (0x41b58ab3)
ffff8801db2077c0: ffffffff85736d28 (K512_4+0x66e8/0x874c0)
ffff8801db2077c8: ffffffff81550970 (lock_downgrade+0x990/0x990)
ffff8801db2077d0: ffffed003802e1b2 (0xffffed003802e1b2)
ffff8801db2077d8: ffff8801db225c18 (0xffff8801db225c18)
ffff8801db2077e0: ffff8801db2265a8 (0xffff8801db2265a8)
ffff8801db2077e8: 0000000000000000 ...
ffff8801db2077f0: 1ffff1003b640f0e (0x1ffff1003b640f0e)
ffff8801db2077f8: ffffffff86b609d0 (chainhash_table+0x2ceb0/0x40020)
ffff8801db207800: ffff8801c0170d88 (0xffff8801c0170d88)
ffff8801db207808: ffff8801c0170e08 (0xffff8801c0170e08)
ffff8801db207810: ffff8801c0170e18 (0xffff8801c0170e18)
ffff8801db207818: ffffffff8705fce0 (console_drivers+0x40/0x40)
ffff8801db207820: 40f6d315aee4df78 (0x40f6d315aee4df78)
ffff8801db207828: ffff8801c0170d90 (0xffff8801c0170d90)
ffff8801db207830: ffffffff8705fce0 (console_drivers+0x40/0x40)
ffff8801db207838: 1ffff1003b640f08 (0x1ffff1003b640f08)
ffff8801db207840: 0000000041b58ab3 (0x41b58ab3)
ffff8801db207848: ffffffff85736c60 (K512_4+0x6620/0x874c0)
ffff8801db207850: ffffffff8154ae70 (debug_check_no_locks_freed+0x3d0/0x3d0)
ffff8801db207858: 0000000000000082 (0x82)
ffff8801db207860: 00000000db207a20 (0xdb207a20)
ffff8801db207868: ffff8801db21c218 (0xffff8801db21c218)
ffff8801db207870: 0000000041b58ab3 (0x41b58ab3)
ffff8801db207878: 0000000041b58ab3 (0x41b58ab3)
ffff8801db207880: ffffffff85737132 (K512_4+0x6af2/0x874c0)
ffff8801db207888: ffffffff8155e3c0 (do_raw_spin_trylock+0x190/0x190)
ffff8801db207890: ffff8801c0170500 (0xffff8801c0170500)
ffff8801db207898: 0000000041b58a00 (0x41b58a00)
ffff8801db2078a0: 0000000000000000 ...
ffff8801db2078a8: 0000000000000003 (0x3)
ffff8801db2078b0: ffff8801c0170500 (0xffff8801c0170500)
ffff8801db2078b8: dffffc0000000000 (0xdffffc0000000000)
ffff8801db2078c0: ffff8801c0170d98 (0xffff8801c0170d98)
ffff8801db2078c8: ffff8801db207910 (0xffff8801db207910)
ffff8801db2078d0: ffffffff81549d92 (mark_held_locks+0xb2/0x100)
ffff8801db2078d8: 0000000000000001 (0x1)
ffff8801db2078e0: ffffffff00000002 (0xffffffff00000002)
ffff8801db2078e8: ffff8801c0170500 (0xffff8801c0170500)
ffff8801db2078f0: ffffffff84d418d7 (_raw_spin_unlock_irq+0x27/0x70)
ffff8801db2078f8: dffffc0000000000 (0xdffffc0000000000)
ffff8801db207900: ffff8801db207ba8 (0xffff8801db207ba8)
ffff8801db207908: ffff8801db207c30 (0xffff8801db207c30)
ffff8801db207910: ffff8801db207930 (0xffff8801db207930)
ffff8801db207918: ffffffff81549f7e (trace_hardirqs_on_caller+0x19e/0x5c0)
ffff8801db207920: ffff8801db21c200 (0xffff8801db21c200)
ffff8801db207928: 00000000fffbe906 (0xfffbe906)
ffff8801db207930: ffff8801db207940 (0xffff8801db207940)
ffff8801db207938: ffffffff8154a3ad (trace_hardirqs_on+0xd/0x10)
ffff8801db207940: ffff8801db207958 (0xffff8801db207958)
ffff8801db207948: ffffffff84d418d7 (_raw_spin_unlock_irq+0x27/0x70)
ffff8801db207950: 00000000fffbe907 (0xfffbe907)
ffff8801db207958: ffff8801db207c58 (0xffff8801db207c58)
ffff8801db207960: ffffffff815d96ef (__run_timers+0x16f/0xb90)
ffff8801db207968: 0000000041b58ab3 (0x41b58ab3)
ffff8801db207970: ffffed003b640f4e (0xffffed003b640f4e)
ffff8801db207978: 1ffff1003b640f3a (0x1ffff1003b640f3a)
ffff8801db207980: ffff8801db207a30 (0xffff8801db207a30)
ffff8801db207988: ffff8801db207bb0 (0xffff8801db207bb0)
ffff8801db207990: ffff8801db21c248 (0xffff8801db21c248)
ffff8801db207998: ffff8801db207ab0 (0xffff8801db207ab0)
ffff8801db2079a0: ffff8801db207ba8 (0xffff8801db207ba8)
ffff8801db2079a8: ffff8801db21c240 (0xffff8801db21c240)
ffff8801db2079b0: 0000000041b58ab3 (0x41b58ab3)
ffff8801db2079b8: ffff8801db21c200 (0xffff8801db21c200)
ffff8801db2079c0: ffffed003b640f56 (0xffffed003b640f56)
ffff8801db2079c8: ffff8801db207ba8 (0xffff8801db207ba8)
ffff8801db2079d0: 0000000041b58ab3 (0x41b58ab3)
ffff8801db2079d8: ffffffff85739a50 (K512_4+0x9410/0x874c0)
ffff8801db2079e0: ffffffff815d9580 (del_timer_sync+0x240/0x240)
ffff8801db2079e8: ffff8801c0170500 (0xffff8801c0170500)
ffff8801db2079f0: 0000000041b58ab3 (0x41b58ab3)
ffff8801db2079f8: ffffffff85736bc8 (K512_4+0x6588/0x874c0)
ffff8801db207a00: ffffffff81548910 (print_usage_bug+0x480/0x480)
ffff8801db207a08: dffffc0000000000 (0xdffffc0000000000)
ffff8801db207a10: 0000000000000000 ...
ffff8801db207a18: ffff8801db21d590 (0xffff8801db21d590)
ffff8801db207a20: ffff8801db21dd50 (0xffff8801db21dd50)
ffff8801db207a28: ffff8801db207a78 (0xffff8801db207a78)
ffff8801db207a30: ffffffff84d0b069 (timerqueue_add+0x1e9/0x280)
ffff8801db207a38: ffff8801db21db98 (0xffff8801db21db98)
ffff8801db207a40: ffff8801db21d590 (0xffff8801db21d590)
ffff8801db207a48: 1ffff1003b640f5d (0x1ffff1003b640f5d)
ffff8801db207a50: 0000000000000001 (0x1)
ffff8801db207a58: ffff8801c0170dc8 (0xffff8801c0170dc8)
ffff8801db207a60: ffffffff0000053f (0xffffffff0000053f)
ffff8801db207a68: ffff8801db207b48 (0xffff8801db207b48)
ffff8801db207a70: ffff8801db207ab0 (0xffff8801db207ab0)
ffff8801db207a78: ffffffff8153e049 (find_held_lock+0x39/0x1d0)
ffff8801db207a80: ffffffff00000002 (0xffffffff00000002)
ffff8801db207a88: 1ffff1003b640f5d (0x1ffff1003b640f5d)
ffff8801db207a90: ffff8801db207b48 (0xffff8801db207b48)
ffff8801db207a98: ffff8801db207c48 (0xffff8801db207c48)
ffff8801db207aa0: ffffffff87061d08 (tk_core+0x8/0x140)
ffff8801db207aa8: ffffffff8705fce0 (console_drivers+0x40/0x40)
ffff8801db207ab0: ffff8801db207c70 (0xffff8801db207c70)
ffff8801db207ab8: 0000000000000082 (0x82)
ffff8801db207ac0: ffff8801c0170d90 (0xffff8801c0170d90)
ffff8801db207ac8: ffffffff00000002 (0xffffffff00000002)
ffff8801db207ad0: 0000000041b58ab3 (0x41b58ab3)
ffff8801db207ad8: ffffffff857369d0 (K512_4+0x6390/0x874c0)
ffff8801db207ae0: ffffffff8652c708 (lock_chains+0xe68/0x200020)
ffff8801db207ae8: 0000000041b58ab3 (0x41b58ab3)
ffff8801db207af0: ffffffff85736d28 (K512_4+0x66e8/0x874c0)
ffff8801db207af8: ffffffff81550970 (lock_downgrade+0x990/0x990)
ffff8801db207b00: dffffc0000000000 (0xdffffc0000000000)
ffff8801db207b08: 1ffff1003b640f8d (0x1ffff1003b640f8d)
ffff8801db207b10: ffff8801db21d4c0 (0xffff8801db21d4c0)
ffff8801db207b18: ffff8801db21d4c0 (0xffff8801db21d4c0)
ffff8801db207b20: 0000000000000000 ...
ffff8801db207b28: 1ffff1003b640f75 (0x1ffff1003b640f75)
ffff8801db207b30: 0000000000000000 ...
ffff8801db207b38: 0000000000000002 (0x2)
ffff8801db207b40: 0000000000000001 (0x1)
ffff8801db207b48: ffff880100000001 (0xffff880100000001)
ffff8801db207b50: ffffffff815518b5 (lock_acquire+0x1d5/0x580)
ffff8801db207b58: 0000000000000000 ...
ffff8801db207b60: ffffffff81613c03 (clockevents_program_event+0x163/0x2e0)
ffff8801db207b68: 0000000000000000 ...
ffff8801db207b70: 0000000000000082 (0x82)
ffff8801db207b78: 0000000771bd5f06 (0x771bd5f06)
ffff8801db207b80: 0000000000000002 (0x2)
ffff8801db207b88: fffffbfff0b98234 (0xfffffbfff0b98234)
ffff8801db207b90: 0000000000000082 (0x82)
ffff8801db207b98: 0000000000000001 (0x1)
ffff8801db207ba0: ffffffff87061d08 (tk_core+0x8/0x140)
ffff8801db207ba8: ffff88021fff9017 (0xffff88021fff9017)
ffff8801db207bb0: ffff8801c0170d98 (0xffff8801c0170d98)
ffff8801db207bb8: ffff8801c0170500 (0xffff8801c0170500)
ffff8801db207bc0: ffffed003802e1b2 (0xffffed003802e1b2)