[ 339.594567][ T4385] tc (4385) used greatest stack depth: 23272 bytes left
[ 351.379870][ C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 351.380178][ C0] CPU: 0 UID: 0 PID: 3690 Comm: perl Not tainted 6.19.0-rc6-virtme #1 PREEMPT(full)
[ 351.380181][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 351.380183][ C0] Call Trace:
[ 351.380185][ C0]
[ 351.380187][ C0] dump_stack_lvl+0x6f/0xa0
[ 351.380196][ C0] __report_bad_irq+0x66/0x161
[ 351.380201][ C0] note_interrupt.cold+0x21/0xe7
[ 351.380202][ C0] ? serial8250_get_port+0x50/0x50
[ 351.380207][ C0] ? poll_spurious_irqs+0x140/0x140
[ 351.380213][ C0] handle_irq_event+0x166/0x1c0
[ 351.380216][ C0] handle_edge_irq+0x2ec/0x880
[ 351.380220][ C0] __common_interrupt+0xae/0x270
[ 351.380223][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0
[ 351.380226][ C0] common_interrupt+0xb0/0xf0
[ 351.380230][ C0]
[ 351.380231][ C0]
[ 351.380232][ C0] asm_common_interrupt+0x26/0x40
[ 351.380235][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80
[ 351.380239][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 f1 d8 de fd 48 89 df e8 59 2a df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 f0 61 d2 fd 65 8b 05 29 64 05 02 85 c0 74 12 5b
[ 351.380240][ C0] RSP: 0018:ffa0000002c5fa70 EFLAGS: 00000246
[ 351.380244][ C0] RAX: 0000000000000082 RBX: ffffffff8e590520 RCX: ffffffff8b4f8c13
[ 351.380245][ C0] RDX: ff110000053dc540 RSI: ffffffff8bdb55ce RDI: ffffffff8b86b280
[ 351.380246][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001
[ 351.380247][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8e590628
[ 351.380247][ C0] R13: 0000000000000001 R14: ffffffff8e590660 R15: ff11000009428400
[ 351.380251][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80
[ 351.380255][ C0] uart_write+0x21d/0x940
[ 351.380260][ C0] process_output_block+0x117/0x6e0
[ 351.380265][ C0] n_tty_write+0x3a8/0x8f0
[ 351.380267][ C0] ? _copy_from_iter+0x1b6/0x1580
[ 351.380272][ C0] ? n_tty_receive_signal_char+0x110/0x110
[ 351.380274][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340
[ 351.380277][ C0] ? __init_waitqueue_head+0x160/0x160
[ 351.380280][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 351.380283][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 351.380287][ C0] iterate_tty_write+0x27d/0x550
[ 351.380291][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 351.380294][ C0] file_tty_write.isra.0+0x1a2/0x240
[ 351.380296][ C0] ? redirected_tty_write+0xd0/0xd0
[ 351.380298][ C0] new_sync_write+0x308/0x6f0
[ 351.380302][ C0] ? new_sync_read+0x3bb/0x6f0
[ 351.380305][ C0] ? new_sync_read+0x6f0/0x6f0
[ 351.380306][ C0] ? generic_atomic_write_valid+0x150/0x150
[ 351.380314][ C0] vfs_write+0x65e/0xbb0
[ 351.380317][ C0] ? vfs_read+0x3cc/0x790
[ 351.380320][ C0] ksys_write+0xff/0x200
[ 351.380323][ C0] ? __ia32_sys_read+0xc0/0xc0
[ 351.380326][ C0] ? rcu_is_watching+0x15/0xd0
[ 351.380329][ C0] do_syscall_64+0xbd/0xfc0
[ 351.380332][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 351.380334][ C0] RIP: 0033:0x7f0617532c5e
[ 351.380337][ C0] Code: 4d 89 d8 e8 34 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 13 ff ff ff 0f 1f 00 f3 0f 1e fa
[ 351.380338][ C0] RSP: 002b:00007fffc423bc10 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 351.380339][ C0] RAX: ffffffffffffffda RBX: 00005596a5d284a0 RCX: 00007f0617532c5e
[ 351.380340][ C0] RDX: 0000000000000001 RSI: 00005596a5d284a0 RDI: 0000000000000001
[ 351.380341][ C0] RBP: 00007fffc423bc20 R08: 0000000000000000 R09: 0000000000000000
[ 351.380342][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[ 351.380342][ C0] R13: 00005596a5ce9010 R14: 0000000000000001 R15: 00005596a5d284a0
[ 351.380348][ C0]
[ 351.380349][ C0] handlers:
[ 351.389093][ C0] [] serial8250_interrupt
[ 351.389652][ C0] Disabling IRQ #51