[ 9.106062][ T201] ip (201) used greatest stack depth: 24176 bytes left [ 10.212523][ T232] link1: entered promiscuous mode [ 15.331532][ T232] link1: left promiscuous mode [ 15.717613][ T251] ip (251) used greatest stack depth: 23912 bytes left [ 16.351381][ T268] link1: entered promiscuous mode [ 21.716673][ T277] netperf (277) used greatest stack depth: 22224 bytes left [ 21.717790][ T268] link1: left promiscuous mode [ 22.727414][ T308] link1: entered promiscuous mode [ 27.950034][ T308] link1: left promiscuous mode [ 28.947657][ T346] link1: entered promiscuous mode [ 34.310475][ T355] netperf (355) used greatest stack depth: 21376 bytes left [ 34.311890][ T346] link1: left promiscuous mode [ 35.301937][ T386] link1: entered promiscuous mode [ 40.538771][ T386] link1: left promiscuous mode [ 41.535170][ T424] link1: entered promiscuous mode [ 46.907988][ T424] link1: left promiscuous mode [ 47.896484][ T464] link1: entered promiscuous mode [ 53.018059][ T464] link1: left promiscuous mode [ 54.023188][ T500] link1: entered promiscuous mode [ 59.408291][ T500] link1: left promiscuous mode [ 60.445290][ T542] link1: entered promiscuous mode [ 65.679412][ T542] link1: left promiscuous mode [ 66.682740][ T580] link1: entered promiscuous mode [ 72.047488][ T580] link1: left promiscuous mode [ 73.022132][ T620] link1: entered promiscuous mode [ 78.255231][ T620] link1: left promiscuous mode [ 79.262852][ T658] link1: entered promiscuous mode [ 84.627585][ T658] link1: left promiscuous mode [ 85.609420][ T698] link1: entered promiscuous mode [ 90.848189][ T698] link1: left promiscuous mode [ 91.839765][ T736] link1: entered promiscuous mode [ 97.209175][ T736] link1: left promiscuous mode [ 98.184447][ T776] link1: entered promiscuous mode [ 103.304178][ T776] link1: left promiscuous mode [ 104.287679][ T812] link1: entered promiscuous mode [ 109.671773][ T812] link1: left promiscuous mode [ 112.633705][ C0] clocksource: Watchdog remote CPU 3 read timed out [ 121.972079][ C0] clocksource: Marking clocksource tsc unstable due to frequency skew [ 121.972312][ C0] clocksource: Watchdog kvm-clock interval: 4140ns [ 121.972525][ C0] clocksource: Clocksource tsc interval: 4080ns [ 121.972745][ C0] tsc: Marking TSC unstable due to clocksource watchdog [ 141.086239][ C0] irq 52: nobody cared (try booting with the "irqpoll" option) [ 141.086503][ C0] CPU: 0 UID: 0 PID: 187 Comm: perl Not tainted 7.2.0-rc6-virtme #1 PREEMPT(full) [ 141.086507][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 141.086509][ C0] Call Trace: [ 141.086510][ C0] [ 141.086512][ C0] dump_stack_lvl+0x6f/0xa0 [ 141.086521][ C0] __report_bad_irq+0x66/0x14a [ 141.086526][ C0] note_interrupt.cold+0x29/0xef [ 141.086528][ C0] ? serial_base_port_exit+0x20/0x20 [ 141.086533][ C0] ? poll_spurious_irqs+0x160/0x160 [ 141.086539][ C0] handle_irq_event+0x166/0x1c0 [ 141.086547][ C0] handle_edge_irq+0x2f8/0x8a0 [ 141.086551][ C0] __common_interrupt+0xae/0x270 [ 141.086555][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x480 [ 141.086559][ C0] common_interrupt+0xb0/0xf0 [ 141.086563][ C0] [ 141.086564][ C0] [ 141.086565][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 141.086567][ C0] asm_common_interrupt+0x26/0x40 [ 141.086570][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 141.086573][ 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 [ 141.086575][ C0] RSP: 0018:ffa00000007d7a70 EFLAGS: 00000246 [ 141.086578][ C0] RAX: 0000000000000082 RBX: ffffffffa3e43c40 RCX: ffffffff9fa1d4b3 [ 141.086579][ C0] RDX: ff11000009742380 RSI: ffffffffa04ade38 RDI: ffffffff9fe7d760 [ 141.086580][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000000 [ 141.086581][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffa3e43d48 [ 141.086581][ C0] R13: 0000000000000001 R14: ffffffffa3e43d80 R15: ff1100000f67d800 [ 141.086584][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 141.086589][ C0] uart_write+0x231/0x990 [ 141.086592][ C0] process_output_block+0x113/0x6d0 [ 141.086598][ C0] n_tty_write+0x3b4/0x8f0 [ 141.086602][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 141.086605][ C0] ? _mutex_trylock_nest_lock+0x235/0x390 [ 141.086607][ C0] ? __init_waitqueue_head+0x160/0x160 [ 141.086611][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 141.086612][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 141.086616][ C0] iterate_tty_write+0x291/0x590 [ 141.086619][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 141.086622][ C0] file_tty_write.isra.0+0x1bd/0x290 [ 141.086624][ C0] ? redirected_tty_write+0xd0/0xd0 [ 141.086626][ C0] new_sync_write+0x33e/0x760 [ 141.086631][ C0] ? find_held_lock+0x2b/0x80 [ 141.086633][ C0] ? new_sync_read+0x750/0x750 [ 141.086635][ C0] ? generic_write_checks_count+0x480/0x480 [ 141.086643][ C0] vfs_write+0x6a4/0xbe0 [ 141.086644][ C0] ? vfs_read+0x3dd/0x7b0 [ 141.086648][ C0] ksys_write+0x116/0x250 [ 141.086651][ C0] ? __ia32_sys_read+0xc0/0xc0 [ 141.086654][ C0] ? rcu_is_watching+0x15/0xd0 [ 141.086659][ C0] do_syscall_64+0x117/0x590 [ 141.086661][ C0] ? irq_exit_rcu+0x1a/0x30 [ 141.086665][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 141.086666][ C0] RIP: 0033:0x7fd56409a54e [ 141.086669][ 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 [ 141.086670][ C0] RSP: 002b:00007ffcff0c14a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 141.086672][ C0] RAX: ffffffffffffffda RBX: 000056513b143240 RCX: 00007fd56409a54e [ 141.086673][ C0] RDX: 0000000000000001 RSI: 000056513b143240 RDI: 0000000000000001 [ 141.086673][ C0] RBP: 00007ffcff0c14b0 R08: 0000000000000000 R09: 0000000000000000 [ 141.086674][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 141.086675][ C0] R13: 000056513b10a010 R14: 0000000000000001 R15: 000056513b143240 [ 141.086680][ C0] [ 141.086681][ C0] handlers: [ 141.095311][ C0] [] serial8250_interrupt [ 141.095526][ C0] Disabling IRQ #52