unwind stack type:0 next_sp: (null) mask:0x6 graph_idx:0 ffff8801db2076e0: ffff8801db207768 (0xffff8801db207768) ffff8801db2076e8: ffffffff8127e06e (__save_stack_trace+0x6e/0xd0) ffff8801db2076f0: 0000000000000000 ... ffff8801db2076f8: ffff8801ce6b8000 (0xffff8801ce6b8000) ffff8801db207700: ffff8801ce6c0000 (0xffff8801ce6c0000) ffff8801db207708: 0000000000000000 ... ffff8801db207710: 0000000000000006 (0x6) ffff8801db207718: ffff8801ceb0c1c0 (0xffff8801ceb0c1c0) ffff8801db207720: 0000010100000000 (0x10100000000) ffff8801db207728: 0000000000000000 ... ffff8801db207730: ffff8801db2076e0 (0xffff8801db2076e0) ffff8801db207738: ffffffff81382f59 (loop2+0x1ff/0x3a6) ffff8801db207740: ffff8801ce6befd8 (0xffff8801ce6befd8) ffff8801db207748: ffff8801ceb963f0 (0xffff8801ceb963f0) ffff8801db207750: ffff8801ceb0c1c0 (0xffff8801ceb0c1c0) ffff8801db207758: ffff8801ceb963e8 (0xffff8801ceb963e8) ffff8801db207760: ffff8801ceb96408 (0xffff8801ceb96408) ffff8801db207768: ffff8801db207778 (0xffff8801db207778) ffff8801db207770: ffffffff8127e0e6 (save_stack_trace+0x16/0x20) ffff8801db207778: ffff8801db207c88 (0xffff8801db207c88) ffff8801db207780: ffffffff8154c95d (__lock_acquire+0x20fd/0x4620) ffff8801db207788: 0000000000000082 (0x82) ffff8801db207790: ffff8801ceb0ca50 (0xffff8801ceb0ca50) ffff8801db207798: ffff880100000002 (0xffff880100000002) ffff8801db2077a0: ffff880100000002 (0xffff880100000002) ffff8801db2077a8: 0000000000000082 (0x82) ffff8801db2077b0: ffff8801ceb0c1c0 (0xffff8801ceb0c1c0) ffff8801db2077b8: 0000000041b58ab3 (0x41b58ab3) ffff8801db2077c0: ffffffff85737028 (K512_4+0x66a8/0x87388) ffff8801db2077c8: ffffffff81550360 (lock_downgrade+0x990/0x990) ffff8801db2077d0: ffffed0039d6194a (0xffffed0039d6194a) ffff8801db2077d8: ffff8801db225c18 (0xffff8801db225c18) ffff8801db2077e0: ffff8801db2265a8 (0xffff8801db2265a8) ffff8801db2077e8: 0000000000000000 ... ffff8801db2077f0: 1ffff1003b640f0e (0x1ffff1003b640f0e) ffff8801db2077f8: ffffffff86b5f9d0 (chainhash_table+0x2ceb0/0x40020) ffff8801db207800: ffff8801ceb0ca48 (0xffff8801ceb0ca48) ffff8801db207808: ffff8801ceb0cac8 (0xffff8801ceb0cac8) ffff8801db207810: ffff8801ceb0cad8 (0xffff8801ceb0cad8) ffff8801db207818: ffffffff8705ece0 (console_drivers+0x40/0x40) ffff8801db207820: 40f6d315aee4df78 (0x40f6d315aee4df78) ffff8801db207828: ffff8801ceb0ca50 (0xffff8801ceb0ca50) ffff8801db207830: ffffffff8705ece0 (console_drivers+0x40/0x40) ffff8801db207838: 1ffff1003b640f08 (0x1ffff1003b640f08) ffff8801db207840: 0000000041b58ab3 (0x41b58ab3) ffff8801db207848: ffffffff85736f60 (K512_4+0x65e0/0x87388) ffff8801db207850: ffffffff8154a860 (debug_check_no_locks_freed+0x3d0/0x3d0) ffff8801db207858: 0000000000000082 (0x82) ffff8801db207860: 00000000db207a20 (0xdb207a20) ffff8801db207868: ffff8801db21c218 (0xffff8801db21c218) ffff8801db207870: 0000000041b58ab3 (0x41b58ab3) ffff8801db207878: 0000000041b58ab3 (0x41b58ab3) ffff8801db207880: ffffffff85737432 (K512_4+0x6ab2/0x87388) ffff8801db207888: ffffffff8155ddb0 (do_raw_spin_trylock+0x190/0x190) ffff8801db207890: ffff8801ceb0c1c0 (0xffff8801ceb0c1c0) ffff8801db207898: 0000000041b58a00 (0x41b58a00) ffff8801db2078a0: 0000000000000000 ... ffff8801db2078a8: 0000000000000003 (0x3) ffff8801db2078b0: ffff8801ceb0c1c0 (0xffff8801ceb0c1c0) ffff8801db2078b8: dffffc0000000000 (0xdffffc0000000000) ffff8801db2078c0: ffff8801ceb0ca58 (0xffff8801ceb0ca58) ffff8801db2078c8: ffff8801db207910 (0xffff8801db207910) ffff8801db2078d0: ffffffff81549782 (mark_held_locks+0xb2/0x100) ffff8801db2078d8: 0000000000000001 (0x1) ffff8801db2078e0: ffffffff00000002 (0xffffffff00000002) ffff8801db2078e8: ffff8801ceb0c1c0 (0xffff8801ceb0c1c0) ffff8801db2078f0: ffffffff84d3ccb7 (_raw_spin_unlock_irq+0x27/0x70) ffff8801db2078f8: dffffc0000000000 (0xdffffc0000000000) ffff8801db207900: ffff8801db207ba8 (0xffff8801db207ba8) ffff8801db207908: ffff8801db207c30 (0xffff8801db207c30) ffff8801db207910: ffff8801db207930 (0xffff8801db207930) ffff8801db207918: ffffffff8154996e (trace_hardirqs_on_caller+0x19e/0x5c0) ffff8801db207920: ffff8801db21c200 (0xffff8801db21c200) ffff8801db207928: 00000000fffbf123 (0xfffbf123) ffff8801db207930: ffff8801db207940 (0xffff8801db207940) ffff8801db207938: ffffffff81549d9d (trace_hardirqs_on+0xd/0x10) ffff8801db207940: ffff8801db207958 (0xffff8801db207958) ffff8801db207948: ffffffff84d3ccb7 (_raw_spin_unlock_irq+0x27/0x70) ffff8801db207950: 00000000fffbf124 (0xfffbf124) ffff8801db207958: ffff8801db207c58 (0xffff8801db207c58) ffff8801db207960: ffffffff815d90df (__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: ffffffff85739d50 (K512_4+0x93d0/0x87388) ffff8801db2079e0: ffffffff815d8f70 (del_timer_sync+0x240/0x240) ffff8801db2079e8: ffff8801ceb0c1c0 (0xffff8801ceb0c1c0) ffff8801db2079f0: 0000000041b58ab3 (0x41b58ab3) ffff8801db2079f8: ffffffff85736ec8 (K512_4+0x6548/0x87388) ffff8801db207a00: ffffffff81548300 (print_usage_bug+0x480/0x480) ffff8801db207a08: dffffc0000000000 (0xdffffc0000000000) ffff8801db207a10: 0000000000000000 ... ffff8801db207a18: ffff8801db21d590 (0xffff8801db21d590) ffff8801db207a20: ffff8801db21dd50 (0xffff8801db21dd50) ffff8801db207a28: ffff8801db207a78 (0xffff8801db207a78) ffff8801db207a30: ffffffff84d06449 (timerqueue_add+0x1e9/0x280) ffff8801db207a38: ffff8801db21db98 (0xffff8801db21db98) ffff8801db207a40: ffff8801db21d590 (0xffff8801db21d590) ffff8801db207a48: 1ffff1003b640f5d (0x1ffff1003b640f5d) ffff8801db207a50: 0000000000000001 (0x1) ffff8801db207a58: ffff8801ceb0ca88 (0xffff8801ceb0ca88) ffff8801db207a60: ffffffff00000548 (0xffffffff00000548) ffff8801db207a68: ffff8801db207b48 (0xffff8801db207b48) ffff8801db207a70: ffff8801db207ab0 (0xffff8801db207ab0) ffff8801db207a78: ffffffff8153da39 (find_held_lock+0x39/0x1d0) ffff8801db207a80: ffffffff00000002 (0xffffffff00000002) ffff8801db207a88: 1ffff1003b640f5d (0x1ffff1003b640f5d) ffff8801db207a90: ffff8801db207b48 (0xffff8801db207b48) ffff8801db207a98: ffff8801db207c48 (0xffff8801db207c48) ffff8801db207aa0: ffffffff87060d08 (tk_core+0x8/0x140) ffff8801db207aa8: ffffffff8705ece0 (console_drivers+0x40/0x40) ffff8801db207ab0: ffff8801db207c70 (0xffff8801db207c70) ffff8801db207ab8: 0000000000000082 (0x82) ffff8801db207ac0: ffff8801ceb0ca50 (0xffff8801ceb0ca50) ffff8801db207ac8: ffffffff00000002 (0xffffffff00000002) ffff8801db207ad0: 0000000041b58ab3 (0x41b58ab3) ffff8801db207ad8: ffffffff85736cd0 (K512_4+0x6350/0x87388) ffff8801db207ae0: ffffffff8652b708 (lock_chains+0xe68/0x200020) ffff8801db207ae8: 0000000041b58ab3 (0x41b58ab3) ffff8801db207af0: ffffffff85737028 (K512_4+0x66a8/0x87388) ffff8801db207af8: ffffffff81550360 (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: ffffffff815512a5 (lock_acquire+0x1d5/0x580) ffff8801db207b58: 0000000000000000 ... ffff8801db207b60: ffffffff816135f3 (clockevents_program_event+0x163/0x2e0) ffff8801db207b68: 0000000000000000 ... ffff8801db207b70: 0000000000000082 (0x82) ffff8801db207b78: 00000007ed991de0 (0x7ed991de0) ffff8801db207b80: 0000000000000002 (0x2) ffff8801db207b88: fffffbfff0b98234 (0xfffffbfff0b98234) ffff8801db207b90: 0000000000000082 (0x82) ffff8801db207b98: 0000000000000001 (0x1) ffff8801db207ba0: ffffffff87060d08 (tk_core+0x8/0x140) ffff8801db207ba8: ffff88021fff9017 (0xffff88021fff9017) ffff8801db207bb0: ffff8801ceb0ca58 (0xffff8801ceb0ca58) ffff8801db207bb8: ffff8801ceb0c1c0 (0xffff8801ceb0c1c0) ffff8801db207bc0: ffffed0039d6194a (0xffffed0039d6194a) ffff8801db207bc8: ffffffff85b38160 (rcu_callback_map+0x60/0x60)