Hi
Just checked in test lab latest kernel and have weird traces:
[ 219.888673] CPU: 52 PID: 0 Comm: swapper/52 Not tainted 4.19.0+ #1
[ 219.888674] Call Trace:
[ 219.888676] <IRQ>
[ 219.888685] dump_stack+0x46/0x5b
[ 219.888691] __skb_checksum_complete+0x9a/0xa0
[ 219.888694] tcp_v4_rcv+0xef/0x960
[ 219.888698] ip_local_deliver_finish+0x49/0xd0
[ 219.888700] ip_local_deliver+0x5e/0xe0
[ 219.888702] ? ip_sublist_rcv_finish+0x50/0x50
[ 219.888703] ip_rcv+0x41/0xc0
[ 219.888706] __netif_receive_skb_one_core+0x4b/0x70
[ 219.888708] netif_receive_skb_internal+0x2f/0xd0
[ 219.888710] napi_gro_receive+0xb7/0xe0
[ 219.888714] mlx5e_handle_rx_cqe+0x7a/0xd0
[ 219.888716] mlx5e_poll_rx_cq+0xc6/0x930
[ 219.888717] mlx5e_napi_poll+0xab/0xc90
[ 219.888722] ? enqueue_task_fair+0x286/0xc40
[ 219.888723] ? enqueue_task_fair+0x1d6/0xc40
[ 219.888725] net_rx_action+0x1f1/0x320
[ 219.888730] __do_softirq+0xec/0x2b7
[ 219.888736] irq_exit+0x7b/0x80
[ 219.888737] do_IRQ+0x45/0xc0
[ 219.888740] common_interrupt+0xf/0xf
[ 219.888742] </IRQ>
[ 219.888743] RIP: 0010:mwait_idle+0x5f/0x1b0
[ 219.888745] Code: a8 01 0f 85 3f 01 00 00 31 d2 65 48 8b 04 25 80 4c
01 00 48 89 d1 0f 01 c8 48 8b 00 a8 08 0f 85 40 01 00 00 31 c0 fb 0f 01
c9 <65> 8b 2d 2a c9 6a 7e 0f 1f 44 00 00 65 48 8b 04 25 80 4c 01 00 f0
[ 219.888746] RSP: 0018:ffffc900034e7eb8 EFLAGS: 00000246 ORIG_RAX:
ffffffffffffffde
[ 219.888749] RAX: 0000000000000000 RBX: 0000000000000034 RCX:
0000000000000000
[ 219.888749] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
0000000000000000
[ 219.888750] RBP: 0000000000000034 R08: 000000000000003b R09:
ffff88086fa1fbc0
[ 219.888751] R10: 0000000000000000 R11: 00000000ffffb15d R12:
ffff88086d180000
[ 219.888752] R13: ffff88086d180000 R14: 0000000000000000 R15:
0000000000000000
[ 219.888754] do_idle+0x1a3/0x1c0
[ 219.888757] cpu_startup_entry+0x14/0x20
[ 219.888760] start_secondary+0x165/0x190
