[ 1591.966174][T28455] link1: entered promiscuous mode
[ 1597.090269][T28455] link1: left promiscuous mode
[ 1598.113445][T28491] link1: entered promiscuous mode
[ 1603.512023][T28500] netperf (28500) used greatest stack depth: 23072 bytes left
[ 1603.513393][T28491] link1: left promiscuous mode
[ 1604.512930][T28531] link1: entered promiscuous mode
[ 1609.631294][T28531] link1: left promiscuous mode
[ 1610.628445][T28567] link1: entered promiscuous mode
[ 1616.017677][T28576] netperf (28576) used greatest stack depth: 22368 bytes left
[ 1616.018574][T28567] link1: left promiscuous mode
[ 1617.043725][T28607] link1: entered promiscuous mode
[ 1622.290115][T28607] link1: left promiscuous mode
[ 1623.309337][T28645] link1: entered promiscuous mode
[ 1628.684586][T28654] netperf (28654) used greatest stack depth: 21744 bytes left
[ 1628.685698][T28645] link1: left promiscuous mode
[ 1629.683478][T28685] link1: entered promiscuous mode
[ 1634.806158][T28685] link1: left promiscuous mode
[ 1635.809901][T28721] link1: entered promiscuous mode
[ 1641.175105][T28730] netperf (28730) used greatest stack depth: 21232 bytes left
[ 1641.176040][T28721] link1: left promiscuous mode
[ 1654.057420][ C0] irq 52: nobody cared (try booting with the "irqpoll" option)
[ 1654.057695][ C0] CPU: 0 UID: 0 PID: 28412 Comm: perl Not tainted 7.2.0-rc6-virtme #1 PREEMPT(full)
[ 1654.057699][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1654.057701][ C0] Call Trace:
[ 1654.057702][ C0]
[ 1654.057704][ C0] dump_stack_lvl+0x6f/0xa0
[ 1654.057713][ C0] __report_bad_irq+0x66/0x14a
[ 1654.057718][ C0] note_interrupt.cold+0x29/0xef
[ 1654.057720][ C0] ? serial_base_port_exit+0x20/0x20
[ 1654.057726][ C0] ? poll_spurious_irqs+0x160/0x160
[ 1654.057731][ C0] handle_irq_event+0x166/0x1c0
[ 1654.057735][ C0] handle_edge_irq+0x2f8/0x8a0
[ 1654.057739][ C0] __common_interrupt+0xae/0x270
[ 1654.057743][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x480
[ 1654.057747][ C0] common_interrupt+0xb0/0xf0
[ 1654.057751][ C0]
[ 1654.057751][ C0]
[ 1654.057752][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 1654.057755][ C0] asm_common_interrupt+0x26/0x40
[ 1654.057757][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80
[ 1654.057760][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 a3 93 fd 48 89 df e8 b9 f9 93 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 10 dc 85 fd 65 8b 05 89 2b 78 02 85 c0 74 12 5b
[ 1654.057762][ C0] RSP: 0018:ffa000000221fa70 EFLAGS: 00000246
[ 1654.057766][ C0] RAX: 0000000000000082 RBX: ffffffffa0a43c40 RCX: ffffffff9c61d4b3
[ 1654.057767][ C0] RDX: ff11000014028040 RSI: ffffffff9d0ade38 RDI: ffffffff9ca7d760
[ 1654.057768][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000000
[ 1654.057769][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffa0a43d48
[ 1654.057770][ C0] R13: 0000000000000001 R14: ffffffffa0a43d80 R15: ff1100001012c000
[ 1654.057773][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80
[ 1654.057777][ C0] uart_write+0x231/0x990
[ 1654.057781][ C0] process_output_block+0x113/0x6d0
[ 1654.057786][ C0] n_tty_write+0x3b4/0x8f0
[ 1654.057791][ C0] ? n_tty_receive_signal_char+0x110/0x110
[ 1654.057793][ C0] ? _mutex_trylock_nest_lock+0x235/0x390
[ 1654.057796][ C0] ? __init_waitqueue_head+0x160/0x160
[ 1654.057800][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 1654.057801][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 1654.057805][ C0] iterate_tty_write+0x291/0x590
[ 1654.057808][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 1654.057811][ C0] file_tty_write.isra.0+0x1bd/0x290
[ 1654.057813][ C0] ? redirected_tty_write+0xd0/0xd0
[ 1654.057816][ C0] new_sync_write+0x33e/0x760
[ 1654.057821][ C0] ? new_sync_read+0x750/0x750
[ 1654.057823][ C0] ? generic_write_checks_count+0x480/0x480
[ 1654.057831][ C0] vfs_write+0x6a4/0xbe0
[ 1654.057833][ C0] ? vfs_read+0x3dd/0x7b0
[ 1654.057836][ C0] ksys_write+0x116/0x250
[ 1654.057839][ C0] ? __ia32_sys_read+0xc0/0xc0
[ 1654.057842][ C0] ? rcu_is_watching+0x15/0xd0
[ 1654.057847][ C0] do_syscall_64+0x117/0x590
[ 1654.057849][ C0] ? irq_exit_rcu+0x1a/0x30
[ 1654.057853][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1654.057854][ C0] RIP: 0033:0x7f459a3e054e
[ 1654.057858][ 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
[ 1654.057859][ C0] RSP: 002b:00007ffdd54af790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1654.057861][ C0] RAX: ffffffffffffffda RBX: 0000561a958d71c0 RCX: 00007f459a3e054e
[ 1654.057862][ C0] RDX: 0000000000000001 RSI: 0000561a958d71c0 RDI: 0000000000000001
[ 1654.057862][ C0] RBP: 00007ffdd54af7a0 R08: 0000000000000000 R09: 0000000000000000
[ 1654.057863][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[ 1654.057864][ C0] R13: 0000561a9589e010 R14: 0000000000000001 R15: 0000561a958d71c0
[ 1654.057870][ C0]
[ 1654.057870][ C0] handlers:
[ 1654.066492][ C0] [] serial8250_interrupt
[ 1654.066929][ C0] Disabling IRQ #52