[ 1493.700854][ T5210] link1: entered promiscuous mode
[ 1498.818449][ T5210] link1: left promiscuous mode
[ 1499.826402][ T5246] link1: entered promiscuous mode
[ 1505.219913][ T5255] netperf (5255) used greatest stack depth: 22784 bytes left
[ 1505.220849][ T5246] link1: left promiscuous mode
[ 1506.220813][ T5286] link1: entered promiscuous mode
[ 1511.474049][ T5286] link1: left promiscuous mode
[ 1512.477274][ T5324] link1: entered promiscuous mode
[ 1517.853880][ T5333] netperf (5333) used greatest stack depth: 21552 bytes left
[ 1517.855344][ T5324] link1: left promiscuous mode
[ 1547.939315][ C0] irq 52: nobody cared (try booting with the "irqpoll" option)
[ 1547.939575][ C0] CPU: 0 UID: 0 PID: 5166 Comm: perl Not tainted 7.2.0-rc7-virtme #1 PREEMPT(full)
[ 1547.939579][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1547.939580][ C0] Call Trace:
[ 1547.939582][ C0]
[ 1547.939584][ C0] dump_stack_lvl+0x6f/0xa0
[ 1547.939592][ C0] __report_bad_irq+0x66/0x14a
[ 1547.939597][ C0] note_interrupt.cold+0x29/0xef
[ 1547.939600][ C0] ? serial_base_port_exit+0x20/0x20
[ 1547.939605][ C0] ? poll_spurious_irqs+0x160/0x160
[ 1547.939611][ C0] handle_irq_event+0x166/0x1c0
[ 1547.939614][ C0] handle_edge_irq+0x2f8/0x8a0
[ 1547.939618][ C0] __common_interrupt+0xae/0x270
[ 1547.939621][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x480
[ 1547.939624][ C0] common_interrupt+0xb0/0xf0
[ 1547.939628][ C0]
[ 1547.939628][ C0]
[ 1547.939629][ C0] ? rpm_resume+0x1060/0x1060
[ 1547.939633][ C0] asm_common_interrupt+0x26/0x40
[ 1547.939635][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80
[ 1547.939638][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 81 3a 7f fd 48 89 df e8 79 90 7f fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 90 70 71 fd 65 8b 05 89 0b 6b 02 85 c0 74 12 5b
[ 1547.939640][ C0] RSP: 0018:ffa0000007c6fa78 EFLAGS: 00000246
[ 1547.939643][ C0] RAX: 0000000000000092 RBX: ffffffffadac4a40 RCX: ffffffffa97684b3
[ 1547.939645][ C0] RDX: ff1100001d308040 RSI: ffffffffaa0e4394 RDI: ffffffffa9a819e0
[ 1547.939646][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000000
[ 1547.939647][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffadac4b48
[ 1547.939647][ C0] R13: 0000000000000001 R14: ffffffffadac4b80 R15: ff110000104ecc00
[ 1547.939651][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80
[ 1547.939655][ C0] uart_write+0x231/0x990
[ 1547.939659][ C0] process_output_block+0x113/0x6d0
[ 1547.939665][ C0] n_tty_write+0x3b4/0x8f0
[ 1547.939669][ C0] ? n_tty_receive_signal_char+0x110/0x110
[ 1547.939671][ C0] ? _mutex_trylock_nest_lock+0x235/0x390
[ 1547.939673][ C0] ? __init_waitqueue_head+0x160/0x160
[ 1547.939677][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 1547.939680][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 1547.939684][ C0] iterate_tty_write+0x291/0x590
[ 1547.939687][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 1547.939690][ C0] file_tty_write.isra.0+0x1bd/0x290
[ 1547.939692][ C0] ? redirected_tty_write+0xd0/0xd0
[ 1547.939694][ C0] new_sync_write+0x33e/0x760
[ 1547.939697][ C0] ? find_held_lock+0x2b/0x80
[ 1547.939700][ C0] ? new_sync_read+0x750/0x750
[ 1547.939702][ C0] ? fsnotify+0x3610/0x3610
[ 1547.939710][ C0] vfs_write+0x657/0x970
[ 1547.939713][ C0] ksys_write+0x116/0x250
[ 1547.939715][ C0] ? __ia32_sys_read+0xc0/0xc0
[ 1547.939718][ C0] ? rcu_is_watching+0x15/0xd0
[ 1547.939722][ C0] do_syscall_64+0x117/0x590
[ 1547.939725][ C0] ? irq_exit_rcu+0x1a/0x30
[ 1547.939728][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1547.939730][ C0] RIP: 0033:0x7f39000b154e
[ 1547.939733][ C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[ 1547.939734][ C0] RSP: 002b:00007fffb37301a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1547.939736][ C0] RAX: ffffffffffffffda RBX: 0000559f401ee1d0 RCX: 00007f39000b154e
[ 1547.939737][ C0] RDX: 0000000000000001 RSI: 0000559f401ee1d0 RDI: 0000000000000001
[ 1547.939738][ C0] RBP: 00007fffb37301b0 R08: 0000000000000000 R09: 0000000000000000
[ 1547.939738][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[ 1547.939739][ C0] R13: 0000559f401b5010 R14: 0000000000000001 R15: 0000559f401ee1d0
[ 1547.939745][ C0]
[ 1547.939745][ C0] handlers:
[ 1547.947856][ C0] [] serial8250_interrupt
[ 1547.948101][ C0] Disabling IRQ #52