unwind stack type:0 next_sp: (null) mask:0x6 graph_idx:0 ffff8801db3076e0: ffff8801db307768 (0xffff8801db307768) ffff8801db3076e8: ffffffff8127e00e (__save_stack_trace+0x6e/0xd0) ffff8801db3076f0: 0000000000000000 ... ffff8801db3076f8: ffff8801ccea8000 (0xffff8801ccea8000) ffff8801db307700: ffff8801cceb0000 (0xffff8801cceb0000) ffff8801db307708: 0000000000000000 ... ffff8801db307710: 0000000000000006 (0x6) ffff8801db307718: ffff8801cd5801c0 (0xffff8801cd5801c0) ffff8801db307720: 0000010100000000 (0x10100000000) ffff8801db307728: 0000000000000000 ... ffff8801db307730: ffff8801db3076e0 (0xffff8801db3076e0) ffff8801db307738: ffffffff813813b0 (loop1+0x120/0x88a) ffff8801db307740: ffff8801cceaf058 (0xffff8801cceaf058) ffff8801db307748: ffff8801ccfd9d48 (0xffff8801ccfd9d48) ffff8801db307750: ffff8801cd5801c0 (0xffff8801cd5801c0) ffff8801db307758: ffff8801ccfd9d40 (0xffff8801ccfd9d40) ffff8801db307760: ffff8801ccfd9d60 (0xffff8801ccfd9d60) ffff8801db307768: ffff8801db307778 (0xffff8801db307778) ffff8801db307770: ffffffff8127e086 (save_stack_trace+0x16/0x20) ffff8801db307778: ffff8801db307c88 (0xffff8801db307c88) ffff8801db307780: ffffffff8154c5fd (__lock_acquire+0x20fd/0x4620) ffff8801db307788: ffff8801db3077c8 (0xffff8801db3077c8) ffff8801db307790: ffffffff8153d6d9 (find_held_lock+0x39/0x1d0) ffff8801db307798: ffffffff00000001 (0xffffffff00000001) ffff8801db3077a0: 1ffff1003b660f00 (0x1ffff1003b660f00) ffff8801db3077a8: ffff8801db307860 (0xffff8801db307860) ffff8801db3077b0: ffff8801db307960 (0xffff8801db307960) ffff8801db3077b8: ffff8801d9f8a300 (0xffff8801d9f8a300) ffff8801db3077c0: 1ffff1003b660f00 (0x1ffff1003b660f00) ffff8801db3077c8: 1ffff1003b660f24 (0x1ffff1003b660f24) ffff8801db3077d0: ffff8801db326800 (0xffff8801db326800) ffff8801db3077d8: ffff8801db307988 (0xffff8801db307988) ffff8801db3077e0: ffffffff815bcb7d (cpu_needs_another_gp+0x4fd/0x690) ffff8801db3077e8: dffffc0000000000 (0xdffffc0000000000) ffff8801db3077f0: ffffffff85b3b350 (rcu_bh_state+0x1310/0x1720) ffff8801db3077f8: ffffffff86b60990 (chainhash_table+0x2ceb0/0x40020) ffff8801db307800: ffff8801cd580a48 (0xffff8801cd580a48) ffff8801db307808: ffff8801cd580ac8 (0xffff8801cd580ac8) ffff8801db307810: ffff8801cd580ad8 (0xffff8801cd580ad8) ffff8801db307818: ffffffff8705fca0 (console_drivers+0x40/0x40) ffff8801db307820: 40f6d315aee4df78 (0x40f6d315aee4df78) ffff8801db307828: ffff8801cd580a50 (0xffff8801cd580a50) ffff8801db307830: ffffffff8705fca0 (console_drivers+0x40/0x40) ffff8801db307838: 1ffff1003b660f08 (0x1ffff1003b660f08) ffff8801db307840: 0000000041b58ab3 (0x41b58ab3) ffff8801db307848: ffffffff85700200 (K512_4+0x6640/0xb4dbf) ffff8801db307850: ffffffff8154a500 (debug_check_no_locks_freed+0x3d0/0x3d0) ffff8801db307858: ffff8801db307980 (0xffff8801db307980) ffff8801db307860: fffffffffffffed4 (0xfffffffffffffed4) ffff8801db307868: 0000000000000000 ... ffff8801db307870: ffffffff815bf6e2 (rcu_process_callbacks+0xe02/0x17b0) ffff8801db307878: 0000000000000000 ... ffff8801db307880: 0000000000000282 (0x282) ffff8801db307888: ffff8801d9f8a300 (0xffff8801d9f8a300) ffff8801db307890: 0000000041b58ab3 (0x41b58ab3) ffff8801db307898: ffffffff856fff70 (K512_4+0x63b0/0xb4dbf) ffff8801db3078a0: ffffffff8153ccb0 (check_noncircular+0x20/0x20) ffff8801db3078a8: ffffed003b3f1572 (0xffffed003b3f1572) ffff8801db3078b0: ffffffff85b37fe0 (rcu_callback_map+0x60/0x60) ffff8801db3078b8: 0000000000000000 ... ffff8801db3078c0: 0000000000000082 (0x82) ffff8801db3078c8: ffffffff8652c628 (lock_chains+0xdc8/0x200020) ffff8801db3078d0: 0000000000000082 (0x82) ffff8801db3078d8: ffff8801dac00640 (0xffff8801dac00640) ffff8801db3078e0: fffffffffffffed4 (0xfffffffffffffed4) ffff8801db3078e8: 0000000041b58ab3 (0x41b58ab3) ffff8801db3078f0: ffffffff856e5b5d (inat_primary_table+0x24059d/0x252850) ffff8801db3078f8: ffffffff815b6b20 (rcu_pm_notify+0xc0/0xc0) ffff8801db307900: ffffffff856e6612 (inat_primary_table+0x241052/0x252850) ffff8801db307908: ffff8801d9f8ab90 (0xffff8801d9f8ab90) ffff8801db307910: ffffffff815c9700 (rcu_segcblist_extract_pend_cbs+0x1d0/0x1d0) ffff8801db307918: 0000000000000282 (0x282) ffff8801db307920: ffff8801d9f8a300 (0xffff8801d9f8a300) ffff8801db307928: ffffffff85b37fe0 (rcu_callback_map+0x60/0x60) ffff8801db307930: dffffc0000000000 (0xdffffc0000000000) ffff8801db307938: ffff8801db307c48 (0xffff8801db307c48) ffff8801db307940: ffff880100000555 (0xffff880100000555) ffff8801db307948: 0000000000000282 (0x282) ffff8801db307950: 0000000000000000 ... ffff8801db307958: 0000000000000003 (0x3) ffff8801db307960: 0000000000000000 ... ffff8801db307968: ffffffff85b38940 (event_rcu_utilization+0x780/0x10a0) ffff8801db307970: 1ffff1003b660f42 (0x1ffff1003b660f42) ffff8801db307978: 0000000000000000 ... ffff8801db307980: ffff8801d9f8ab98 (0xffff8801d9f8ab98) ffff8801db307988: 0000000041b58ab3 (0x41b58ab3) ffff8801db307990: ffffffff856fff70 (K512_4+0x63b0/0xb4dbf) ffff8801db307998: ffffffff8153ccb0 (check_noncircular+0x20/0x20) ffff8801db3079a0: ffffffff8153d6d9 (find_held_lock+0x39/0x1d0) ffff8801db3079a8: ffffffff00000001 (0xffffffff00000001) ffff8801db3079b0: 1ffff1003b660f42 (0x1ffff1003b660f42) ffff8801db3079b8: ffff8801db307a70 (0xffff8801db307a70) ffff8801db3079c0: ffffffff86535588 (lock_chains+0x9d28/0x200020) ffff8801db3079c8: ffffffff87061cc8 (tk_core+0x8/0x140) ffff8801db3079d0: ffffffff8705fca0 (console_drivers+0x40/0x40) ffff8801db3079d8: ffff8801db307b98 (0xffff8801db307b98) ffff8801db3079e0: 0000000000000082 (0x82) ffff8801db3079e8: ffff8801d9f8ab90 (0xffff8801d9f8ab90) ffff8801db3079f0: ffffffff00000001 (0xffffffff00000001) ffff8801db3079f8: ffff880100000001 (0xffff880100000001) ffff8801db307a00: 0000000000000082 (0x82) ffff8801db307a08: ffff8801d9f8a300 (0xffff8801d9f8a300) ffff8801db307a10: 0000000041b58ab3 (0x41b58ab3) ffff8801db307a18: ffffffff857002c8 (K512_4+0x6708/0xb4dbf) ffff8801db307a20: ffffffff81550000 (lock_downgrade+0x990/0x990) ffff8801db307a28: ffff8801db307a78 (0xffff8801db307a78) ffff8801db307a30: ffffffff84d0c929 (timerqueue_add+0x1e9/0x280) ffff8801db307a38: ffff8801db31db98 (0xffff8801db31db98) ffff8801db307a40: ffff8801db31d590 (0xffff8801db31d590) ffff8801db307a48: 0000000000000000 ... ffff8801db307a50: 1ffff1003b660f5a (0x1ffff1003b660f5a) ffff8801db307a58: 0000000000000000 ... ffff8801db307a60: 0000000000000555 (0x555) ffff8801db307a68: 1ffff1003b660f61 (0x1ffff1003b660f61) ffff8801db307a70: 0000000000000000 ... ffff8801db307a78: ffff8801d9f8ab98 (0xffff8801d9f8ab98) ffff8801db307a80: ffffffff85a0e208 (jiffies_lock+0x8/0x80) ffff8801db307a88: ffff8801db307b68 (0xffff8801db307b68) ffff8801db307a90: ffff8801db307ad0 (0xffff8801db307ad0) ffff8801db307a98: ffffffff8153d6d9 (find_held_lock+0x39/0x1d0) ffff8801db307aa0: ffffffff00000001 (0xffffffff00000001) ffff8801db307aa8: 1ffff1003b660f61 (0x1ffff1003b660f61) ffff8801db307ab0: ffff8801db307b68 (0xffff8801db307b68) ffff8801db307ab8: ffff8801db307c68 (0xffff8801db307c68) ffff8801db307ac0: ffffffff85a0e208 (jiffies_lock+0x8/0x80) ffff8801db307ac8: ffffffff8705fca0 (console_drivers+0x40/0x40) ffff8801db307ad0: ffff8801db307c90 (0xffff8801db307c90) ffff8801db307ad8: 0000000000000082 (0x82) ffff8801db307ae0: ffffffff8652c6c8 (lock_chains+0xe68/0x200020) ffff8801db307ae8: ffff880200000001 (0xffff880200000001) ffff8801db307af0: ffff880100000001 (0xffff880100000001) ffff8801db307af8: 0000000000000082 (0x82) ffff8801db307b00: ffff8801d9f8a300 (0xffff8801d9f8a300) ffff8801db307b08: 0000000041b58ab3 (0x41b58ab3) ffff8801db307b10: ffffffff857002c8 (K512_4+0x6708/0xb4dbf) ffff8801db307b18: ffffffff81550000 (lock_downgrade+0x990/0x990) ffff8801db307b20: ffffffff857b3a68 (__per_cpu_offset+0x8/0x200) ffff8801db307b28: 1ffff1003b660f75 (0x1ffff1003b660f75) ffff8801db307b30: 0000000000000000 ... ffff8801db307b38: 0000000000000002 (0x2) ffff8801db307b40: 0000000000000000 ... ffff8801db307b48: 1ffff1003b660f79 (0x1ffff1003b660f79) ffff8801db307b50: 0000000000000000 ... ffff8801db307b58: 0000000000000002 (0x2) ffff8801db307b60: 0000000000000001 (0x1) ffff8801db307b68: ffff880100000000 (0xffff880100000000) ffff8801db307b70: ffffffff81550f45 (lock_acquire+0x1d5/0x580) ffff8801db307b78: 0000000000000000 ... ffff8801db307b80: ffffffff8161b42e (tick_nohz_irq_exit+0x4e/0x60) ffff8801db307b88: 0000000000000000 ... ffff8801db307b90: 0000000000000082 (0x82) ffff8801db307b98: ffffffff856e5b5d (inat_primary_table+0x24059d/0x252850) ffff8801db307ba0: ffffffff812efcb0 (pvclock_read_flags+0x160/0x160) ffff8801db307ba8: ffffffff815ecc4f (ktime_get+0x26f/0x3a0) ffff8801db307bb0: 0000000000000082 (0x82) ffff8801db307bb8: 0000000000000017 (0x17) ffff8801db307bc0: ffffffff85a0e208 (jiffies_lock+0x8/0x80) ffff8801db307bc8: 0000000041b58ab3 (0x41b58ab3) ffff8801db307bd0: ffffffff856e60c0 (inat_primary_table+0x240b00/0x252850) ffff8801db307bd8: ffffffff81550d70 (lock_release+0xd70/0xd70) ffff8801db307be0: ffffffff815ec9e0 (do_gettimeofday+0x190/0x190) ffff8801db307be8: ffffffff856e6612 (inat_primary_table+0x241052/0x252850) ffff8801db307bf0: ffff8801db31db80 (0xffff8801db31db80) ffff8801db307bf8: 1ffff1003b660fa2 (0x1ffff1003b660fa2) ffff8801db307c00: dffffc0000000000 (0xdffffc0000000000) ffff8801db307c08: 0000000000000000 ... ffff8801db307c10: 0000000ad3521ce6 (0xad3521ce6) ffff8801db307c18: ffff8801db307c28 (0xffff8801db307c28) ffff8801db307c20: ffffffff812edb75 (kvm_sched_clock_read+0x25/0x40) ffff8801db307c28: 0000000000000000 ... ffff8801db307c30: ffffffff81269261 (sched_clock+0x31/0x40) ffff8801db307c38: ffff8801db307c88 (0xffff8801db307c88) ffff8801db307c40: ffffffff814be01b (sched_clock_cpu+0x1b/0x170) ffff8801db307c48: 0000000000000010 (0x10) ffff8801db307c50: 0000000000000009 (0x9) ffff8801db307c58: ffff8801db307c70 (0xffff8801db307c70) ffff8801db307c60: 0000000000000000 ... ffff8801db307c68: 1ffff1003b660f9d (0x1ffff1003b660f9d)