L2 Booting Error kworker

  777.177888] NET: Registered protocol family 1
[ 1143.975968] INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 1144.035360] 	Tasks blocked on level-0 rcu_node (CPUs 0-0): P416
[ 1144.100513] 	(detected by 0, t=5252 jiffies, g=274, c=273, q=2)
[ 1144.160203] kworker/u2:8    R  running task        0   416      2 0x00000000
[ 1144.237124] Call trace:
[ 1144.263993] [<ffff800000086c80>] __switch_to+0xa4/0xb0
[ 1144.317138] [<ffff80000064c030>] __schedule+0x1b8/0x590
[ 1144.371046] [<ffff80000064c87c>] preempt_schedule_irq+0x40/0x68
[ 1144.431538] [<ffff800000085620>] el1_preempt+0x8/0x28
[ 1144.483668] [<ffff8000001abfe8>] legitimize_path.isra.41+0x20/0x74
[ 1144.547266] [<ffff8000001ac194>] unlazy_walk+0x158/0x188
[ 1144.600993] [<ffff8000001ac61c>] lookup_fast+0x1d4/0x2dc
[ 1144.655471] [<ffff8000001ac7dc>] walk_component+0x34/0x270
[ 1144.711398] [<ffff8000001acb6c>] link_path_walk+0x154/0x4c0
[ 1144.768118] [<ffff8000001ad4dc>] path_openat+0x78/0xd54
[ 1144.821246] [<ffff8000001af448>] do_filp_open+0x60/0xbc
[ 1144.874007] [<ffff8000001a612c>] do_open_execat+0x70/0x198
[ 1144.930643] [<ffff8000001a7bfc>] do_execveat_common.isra.38+0x19c/0x5b8
[ 1144.999984] [<ffff8000001a8044>] do_execve+0x2c/0x34
[ 1145.051137] [<ffff8000000c74a4>] call_usermodehelper_exec_async+0x11c/0x16c
[ 1145.122166] [<ffff800000085c50>] ret_from_fork+0x10/0x40
[ 1145.176771] kworker/u2:8    R  running task        0   416      2 0x00000000
[ 1145.251791] Call trace:
[ 1145.277614] [<ffff800000086c80>] __switch_to+0xa4/0xb0
[ 1145.329756] [<ffff80000064c030>] __schedule+0x1b8/0x590
[ 1145.383501] [<ffff80000064c87c>] preempt_schedule_irq+0x40/0x68
[ 1145.444697] [<ffff800000085620>] el1_preempt+0x8/0x28
[ 1145.497149] [<ffff8000001abfe8>] legitimize_path.isra.41+0x20/0x74
[ 1145.560319] [<ffff8000001ac194>] unlazy_walk+0x158/0x188
[ 1145.615412] [<ffff8000001ac61c>] lookup_fast+0x1d4/0x2dc
[ 1145.669979] [<ffff8000001ac7dc>] walk_component+0x34/0x270
[ 1145.725788] [<ffff8000001acb6c>] link_path_walk+0x154/0x4c0
[ 1145.782056] [<ffff8000001ad4dc>] path_openat+0x78/0xd54
[ 1145.835038] [<ffff8000001af448>] do_filp_open+0x60/0xbc
[ 1145.887383] [<ffff8000001a612c>] do_open_execat+0x70/0x198
[ 1145.943476] [<ffff8000001a7bfc>] do_execveat_common.isra.38+0x19c/0x5b8
[ 1146.010593] [<ffff8000001a8044>] do_execve+0x2c/0x34
[ 1146.061618] [<ffff8000000c74a4>] call_usermodehelper_exec_async+0x11c/0x16c
[ 1146.131666] [<ffff800000085c50>] ret_from_fork+0x10/0x40
[ 1146.185184] rcu_preempt kthread starved for 2311 jiffies! g274 c273 f0x0 s3 ->state=0x0