unwind stack type:0 next_sp: (null) mask:0x6 graph_idx:0 ffff8801db2076e0: ffff8801db207768 (0xffff8801db207768) ffff8801db2076e8: ffffffff8127df9e (__save_stack_trace+0x6e/0xd0) ffff8801db2076f0: 0000000000000000 ... ffff8801db2076f8: ffff8801c44a8000 (0xffff8801c44a8000) ffff8801db207700: ffff8801c44b0000 (0xffff8801c44b0000) ffff8801db207708: 0000000000000000 ... ffff8801db207710: 0000000000000006 (0x6) ffff8801db207718: ffff8801c4446100 (0xffff8801c4446100) ffff8801db207720: 0000010100000000 (0x10100000000) ffff8801db207728: 0000000000000000 ... ffff8801db207730: ffff8801db2076e0 (0xffff8801db2076e0) ffff8801db207738: ffffffff8137c086 (sha1_transform_avx+0x856/0xbc0) ffff8801db207740: ffff8801c44afa58 (0xffff8801c44afa58) ffff8801db207748: ffff8801c4bc0e28 (0xffff8801c4bc0e28) ffff8801db207750: ffff8801c4446100 (0xffff8801c4446100) ffff8801db207758: ffff8801c4bc0e20 (0xffff8801c4bc0e20) ffff8801db207760: ffff8801c4bc0e40 (0xffff8801c4bc0e40) ffff8801db207768: ffff8801db207778 (0xffff8801db207778) ffff8801db207770: ffffffff8127e016 (save_stack_trace+0x16/0x20) ffff8801db207778: ffff8801db207c88 (0xffff8801db207c88) ffff8801db207780: ffffffff8154b8ad (__lock_acquire+0x20fd/0x4620) ffff8801db207788: ffff8801db2077c8 (0xffff8801db2077c8) ffff8801db207790: ffffffff8153c989 (find_held_lock+0x39/0x1d0) ffff8801db207798: ffffffff00000001 (0xffffffff00000001) ffff8801db2077a0: 1ffff1003b640f00 (0x1ffff1003b640f00) ffff8801db2077a8: ffff8801db207860 (0xffff8801db207860) ffff8801db2077b0: ffff8801db207960 (0xffff8801db207960) ffff8801db2077b8: ffffffff85a2f380 (root_mountflags+0x1ae0/0x1ae0) ffff8801db2077c0: 1ffff1003b640f00 (0x1ffff1003b640f00) ffff8801db2077c8: 1ffff1003b640f24 (0x1ffff1003b640f24) ffff8801db2077d0: ffff8801db226800 (0xffff8801db226800) ffff8801db2077d8: ffff8801db207988 (0xffff8801db207988) ffff8801db2077e0: ffffffff815bbe2d (cpu_needs_another_gp+0x4fd/0x690) ffff8801db2077e8: dffffc0000000000 (0xdffffc0000000000) ffff8801db2077f0: ffffffff85b3b490 (rcu_bh_state+0x1310/0x1720) ffff8801db2077f8: ffffffff86b619d0 (chainhash_table+0x2ceb0/0x40020) ffff8801db207800: ffff8801c4446988 (0xffff8801c4446988) ffff8801db207808: ffff8801c44469d8 (0xffff8801c44469d8) ffff8801db207810: ffff8801c44469e8 (0xffff8801c44469e8) ffff8801db207818: ffffffff87060ce0 (console_drivers+0x40/0x40) ffff8801db207820: 40f6d315aee4df78 (0x40f6d315aee4df78) ffff8801db207828: ffff8801c4446990 (0xffff8801c4446990) ffff8801db207830: ffffffff87060ce0 (console_drivers+0x40/0x40) ffff8801db207838: 1ffff1003b640f08 (0x1ffff1003b640f08) ffff8801db207840: 0000000041b58ab3 (0x41b58ab3) ffff8801db207848: ffffffff857378e0 (K512_4+0x65e0/0x875f0) ffff8801db207850: ffffffff815497b0 (debug_check_no_locks_freed+0x3d0/0x3d0) ffff8801db207858: ffff8801db207980 (0xffff8801db207980) ffff8801db207860: fffffffffffffed4 (0xfffffffffffffed4) ffff8801db207868: 0000000000000000 ... ffff8801db207870: ffffffff815be992 (rcu_process_callbacks+0xe02/0x17b0) ffff8801db207878: 0000000000000000 ... ffff8801db207880: 0000000000000282 (0x282) ffff8801db207888: ffffffff85a2f380 (root_mountflags+0x1ae0/0x1ae0) ffff8801db207890: 0000000041b58ab3 (0x41b58ab3) ffff8801db207898: ffffffff85737650 (K512_4+0x6350/0x875f0) ffff8801db2078a0: ffffffff8153bf60 (check_noncircular+0x20/0x20) ffff8801db2078a8: fffffbfff0b45f82 (0xfffffbfff0b45f82) ffff8801db2078b0: ffffffff85b38120 (rcu_callback_map+0x60/0x60) ffff8801db2078b8: 0000000000000000 ... ffff8801db2078c0: 0000000000000082 (0x82) ffff8801db2078c8: ffffffff8652d668 (lock_chains+0xdc8/0x200020) ffff8801db2078d0: 0000000000000082 (0x82) ffff8801db2078d8: ffff8801dac00640 (0xffff8801dac00640) ffff8801db2078e0: fffffffffffffed4 (0xfffffffffffffed4) ffff8801db2078e8: 0000000041b58ab3 (0x41b58ab3) ffff8801db2078f0: ffffffff8571d2a5 (inat_primary_table+0x240ee5/0x253190) ffff8801db2078f8: ffffffff815b5dd0 (rcu_pm_notify+0xc0/0xc0) ffff8801db207900: ffffffff8571dd5a (inat_primary_table+0x24199a/0x253190) ffff8801db207908: ffffffff85a2fc10 (init_task+0x890/0x25a0) ffff8801db207910: ffffffff815c89b0 (rcu_segcblist_extract_pend_cbs+0x1d0/0x1d0) ffff8801db207918: 0000000000000282 (0x282) ffff8801db207920: ffffffff85a2f380 (root_mountflags+0x1ae0/0x1ae0) ffff8801db207928: ffffffff85b38120 (rcu_callback_map+0x60/0x60) ffff8801db207930: dffffc0000000000 (0xdffffc0000000000) ffff8801db207938: ffff8801db207c48 (0xffff8801db207c48) ffff8801db207940: ffff880100000559 (0xffff880100000559) ffff8801db207948: 0000000000000282 (0x282) ffff8801db207950: 0000000000000000 ... ffff8801db207958: 0000000000000003 (0x3) ffff8801db207960: 0000000000000000 ... ffff8801db207968: ffffffff85b38a80 (event_rcu_utilization+0x780/0x10a0) ffff8801db207970: 1ffff1003b640f42 (0x1ffff1003b640f42) ffff8801db207978: 0000000000000000 ... ffff8801db207980: ffffffff85a2fc18 (init_task+0x898/0x25a0) ffff8801db207988: 0000000041b58ab3 (0x41b58ab3) ffff8801db207990: ffffffff85737650 (K512_4+0x6350/0x875f0) ffff8801db207998: ffffffff8153bf60 (check_noncircular+0x20/0x20) ffff8801db2079a0: ffffffff8153c989 (find_held_lock+0x39/0x1d0) ffff8801db2079a8: ffffffff00000001 (0xffffffff00000001) ffff8801db2079b0: 1ffff1003b640f42 (0x1ffff1003b640f42) ffff8801db2079b8: ffff8801db207a70 (0xffff8801db207a70) ffff8801db2079c0: ffffffff865364a8 (lock_chains+0x9c08/0x200020) ffff8801db2079c8: ffffffff87062d08 (tk_core+0x8/0x140) ffff8801db2079d0: ffffffff87060ce0 (console_drivers+0x40/0x40) ffff8801db2079d8: ffff8801db207b98 (0xffff8801db207b98) ffff8801db2079e0: 0000000000000082 (0x82) ffff8801db2079e8: ffffffff85a2fc10 (init_task+0x890/0x25a0) ffff8801db2079f0: ffffffff00000001 (0xffffffff00000001) ffff8801db2079f8: ffffffff00000001 (0xffffffff00000001) ffff8801db207a00: 0000000000000082 (0x82) ffff8801db207a08: ffffffff85a2f380 (root_mountflags+0x1ae0/0x1ae0) ffff8801db207a10: 0000000041b58ab3 (0x41b58ab3) ffff8801db207a18: ffffffff857379a8 (K512_4+0x66a8/0x875f0) ffff8801db207a20: ffffffff8154f2b0 (lock_downgrade+0x990/0x990) ffff8801db207a28: ffff8801db207a78 (0xffff8801db207a78) ffff8801db207a30: ffffffff84d0c929 (timerqueue_add+0x1e9/0x280) ffff8801db207a38: ffff8801db21db98 (0xffff8801db21db98) ffff8801db207a40: ffff8801db21d590 (0xffff8801db21d590) ffff8801db207a48: 0000000000000000 ... ffff8801db207a50: 1ffff1003b640f5a (0x1ffff1003b640f5a) ffff8801db207a58: 0000000000000000 ... ffff8801db207a60: 0000000000000559 (0x559) ffff8801db207a68: 1ffff1003b640f61 (0x1ffff1003b640f61) ffff8801db207a70: 0000000000000000 ... ffff8801db207a78: ffffffff85a2fc18 (init_task+0x898/0x25a0) ffff8801db207a80: ffffffff85a0e208 (jiffies_lock+0x8/0x80) ffff8801db207a88: ffff8801db207b68 (0xffff8801db207b68) ffff8801db207a90: ffff8801db207ad0 (0xffff8801db207ad0) ffff8801db207a98: ffffffff8153c989 (find_held_lock+0x39/0x1d0) ffff8801db207aa0: ffffffff00000001 (0xffffffff00000001) ffff8801db207aa8: 1ffff1003b640f61 (0x1ffff1003b640f61) ffff8801db207ab0: ffff8801db207b68 (0xffff8801db207b68) ffff8801db207ab8: ffff8801db207c68 (0xffff8801db207c68) ffff8801db207ac0: ffffffff85a0e208 (jiffies_lock+0x8/0x80) ffff8801db207ac8: ffffffff87060ce0 (console_drivers+0x40/0x40) ffff8801db207ad0: ffff8801db207c90 (0xffff8801db207c90) ffff8801db207ad8: 0000000000000082 (0x82) ffff8801db207ae0: ffffffff8652d708 (lock_chains+0xe68/0x200020) ffff8801db207ae8: ffff880200000001 (0xffff880200000001) ffff8801db207af0: ffffffff00000001 (0xffffffff00000001) ffff8801db207af8: 0000000000000082 (0x82) ffff8801db207b00: ffffffff85a2f380 (root_mountflags+0x1ae0/0x1ae0) ffff8801db207b08: 0000000041b58ab3 (0x41b58ab3) ffff8801db207b10: ffffffff857379a8 (K512_4+0x66a8/0x875f0) ffff8801db207b18: ffffffff8154f2b0 (lock_downgrade+0x990/0x990) ffff8801db207b20: 0000000000000000 ... ffff8801db207b28: 1ffff1003b640f75 (0x1ffff1003b640f75) ffff8801db207b30: 0000000000000000 ... ffff8801db207b38: 0000000000000002 (0x2) ffff8801db207b40: 0000000000000000 ... ffff8801db207b48: 1ffff1003b640f79 (0x1ffff1003b640f79) ffff8801db207b50: 0000000000000000 ... ffff8801db207b58: 0000000000000002 (0x2) ffff8801db207b60: 0000000000000001 (0x1) ffff8801db207b68: ffff880100000000 (0xffff880100000000) ffff8801db207b70: ffffffff815501f5 (lock_acquire+0x1d5/0x580) ffff8801db207b78: 0000000000000000 ... ffff8801db207b80: ffffffff8161a6de (tick_nohz_irq_exit+0x4e/0x60) ffff8801db207b88: 0000000000000000 ... ffff8801db207b90: 0000000000000082 (0x82) ffff8801db207b98: ffffffff8571d2a5 (inat_primary_table+0x240ee5/0x253190) ffff8801db207ba0: ffffffff812efcb0 (pvclock_read_flags+0x160/0x160) ffff8801db207ba8: ffffffff815ebeff (ktime_get+0x26f/0x3a0) ffff8801db207bb0: 0000000000000082 (0x82) ffff8801db207bb8: 0000000000000017 (0x17)