[ 867.470834][T17656] tc (17656) used greatest stack depth: 23912 bytes left
[ 882.067167][ C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 882.067435][ C0] CPU: 0 UID: 0 PID: 17146 Comm: perl Not tainted 6.19.0-rc6-virtme #1 PREEMPT(full)
[ 882.067439][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 882.067440][ C0] Call Trace:
[ 882.067442][ C0]
[ 882.067443][ C0] dump_stack_lvl+0x6f/0xa0
[ 882.067452][ C0] __report_bad_irq+0x66/0x161
[ 882.067456][ C0] note_interrupt.cold+0x21/0xe7
[ 882.067458][ C0] ? serial8250_get_port+0x50/0x50
[ 882.067462][ C0] ? poll_spurious_irqs+0x140/0x140
[ 882.067468][ C0] handle_irq_event+0x166/0x1c0
[ 882.067471][ C0] handle_edge_irq+0x2ec/0x880
[ 882.067475][ C0] __common_interrupt+0xae/0x270
[ 882.067479][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0
[ 882.067481][ C0] common_interrupt+0xb0/0xf0
[ 882.067485][ C0]
[ 882.067486][ C0]
[ 882.067487][ C0] asm_common_interrupt+0x26/0x40
[ 882.067489][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80
[ 882.067493][ 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
[ 882.067495][ C0] RSP: 0018:ffa00000029afa70 EFLAGS: 00000246
[ 882.067498][ C0] RAX: 0000000000000082 RBX: ffffffff88790520 RCX: ffffffff856f8c13
[ 882.067499][ C0] RDX: ff11000014960040 RSI: ffffffff85fb5568 RDI: ffffffff85a6b280
[ 882.067500][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001
[ 882.067501][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff88790628
[ 882.067501][ C0] R13: 0000000000000001 R14: ffffffff88790660 R15: ff1100000962b400
[ 882.067505][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80
[ 882.067510][ C0] uart_write+0x21d/0x940
[ 882.067514][ C0] process_output_block+0x117/0x6e0
[ 882.067519][ C0] n_tty_write+0x3a8/0x8f0
[ 882.067521][ C0] ? _copy_from_iter+0x1b6/0x1580
[ 882.067527][ C0] ? n_tty_receive_signal_char+0x110/0x110
[ 882.067529][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340
[ 882.067531][ C0] ? __init_waitqueue_head+0x160/0x160
[ 882.067535][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 882.067538][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 882.067542][ C0] iterate_tty_write+0x27d/0x550
[ 882.067545][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 882.067548][ C0] file_tty_write.isra.0+0x1a2/0x240
[ 882.067550][ C0] ? redirected_tty_write+0xd0/0xd0
[ 882.067552][ C0] new_sync_write+0x308/0x6f0
[ 882.067555][ C0] ? new_sync_read+0x3bb/0x6f0
[ 882.067558][ C0] ? new_sync_read+0x6f0/0x6f0
[ 882.067560][ C0] ? generic_atomic_write_valid+0x150/0x150
[ 882.067563][ C0] ? __lock_release.isra.0+0x59/0x170
[ 882.067569][ C0] vfs_write+0x65e/0xbb0
[ 882.067571][ C0] ? vfs_read+0x3cc/0x790
[ 882.067575][ C0] ksys_write+0xff/0x200
[ 882.067578][ C0] ? __ia32_sys_read+0xc0/0xc0
[ 882.067581][ C0] ? rcu_is_watching+0x15/0xd0
[ 882.067584][ C0] do_syscall_64+0xbd/0xfc0
[ 882.067587][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 882.067588][ C0] RIP: 0033:0x7fd9f8886c5e
[ 882.067591][ 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
[ 882.067592][ C0] RSP: 002b:00007ffc4b018560 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 882.067594][ C0] RAX: ffffffffffffffda RBX: 000055b06897a500 RCX: 00007fd9f8886c5e
[ 882.067595][ C0] RDX: 0000000000000001 RSI: 000055b06897a500 RDI: 0000000000000001
[ 882.067596][ C0] RBP: 00007ffc4b018570 R08: 0000000000000000 R09: 0000000000000000
[ 882.067596][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[ 882.067597][ C0] R13: 000055b06893b010 R14: 0000000000000001 R15: 000055b06897a500
[ 882.067603][ C0]
[ 882.067604][ C0] handlers:
[ 882.076460][ C0] [] serial8250_interrupt
[ 882.076680][ C0] Disabling IRQ #51