[ 771.459179][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 771.459463][ C0] CPU: 0 UID: 0 PID: 8733 Comm: perl Not tainted 6.18.0-virtme #1 PREEMPT(full) [ 771.459466][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 771.459467][ C0] Call Trace: [ 771.459469][ C0] [ 771.459471][ C0] dump_stack_lvl+0x6f/0xa0 [ 771.459479][ C0] __report_bad_irq+0x66/0x161 [ 771.459484][ C0] note_interrupt.cold+0x21/0xe7 [ 771.459486][ C0] ? serial8250_get_port+0x50/0x50 [ 771.459490][ C0] ? poll_spurious_irqs+0x140/0x140 [ 771.459497][ C0] handle_irq_event+0x166/0x1c0 [ 771.459499][ C0] handle_edge_irq+0x2ec/0x880 [ 771.459504][ C0] __common_interrupt+0xae/0x270 [ 771.459507][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0 [ 771.459511][ C0] common_interrupt+0xc4/0x100 [ 771.459515][ C0] [ 771.459515][ C0] [ 771.459517][ C0] asm_common_interrupt+0x26/0x40 [ 771.459519][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 771.459522][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 21 82 e3 fd 48 89 df e8 c9 cd e3 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 30 5b d7 fd 65 8b 05 d9 c1 09 02 85 c0 74 12 5b [ 771.459524][ C0] RSP: 0018:ffa00000039e7a70 EFLAGS: 00000246 [ 771.459527][ C0] RAX: 0000000000000082 RBX: ffffffff87b73860 RCX: ffffffff84a96e63 [ 771.459529][ C0] RDX: ff11000010734540 RSI: ffffffff853a9a6a RDI: ffffffff84e67200 [ 771.459530][ C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000001 [ 771.459530][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff87b73968 [ 771.459531][ C0] R13: 0000000000000001 R14: ffffffff87b739a0 R15: ff1100000960d800 [ 771.459534][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 771.459539][ C0] uart_write+0x21d/0x940 [ 771.459543][ C0] process_output_block+0x117/0x6e0 [ 771.459548][ C0] n_tty_write+0x3a9/0x8d0 [ 771.459550][ C0] ? _copy_from_iter+0x1b6/0x1580 [ 771.459556][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 771.459558][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340 [ 771.459560][ C0] ? __init_waitqueue_head+0x160/0x160 [ 771.459564][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 771.459567][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 771.459571][ C0] iterate_tty_write+0x27d/0x550 [ 771.459574][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 771.459577][ C0] file_tty_write.isra.0+0x1a2/0x240 [ 771.459579][ C0] ? redirected_tty_write+0xd0/0xd0 [ 771.459581][ C0] new_sync_write+0x308/0x6f0 [ 771.459584][ C0] ? new_sync_read+0x3bb/0x6f0 [ 771.459587][ C0] ? new_sync_read+0x6f0/0x6f0 [ 771.459589][ C0] ? generic_atomic_write_valid+0x150/0x150 [ 771.459593][ C0] ? __lock_release.isra.0+0x59/0x170 [ 771.459598][ C0] vfs_write+0x65e/0xbb0 [ 771.459600][ C0] ? vfs_read+0x3cc/0x790 [ 771.459603][ C0] ksys_write+0xff/0x200 [ 771.459606][ C0] ? __ia32_sys_read+0xc0/0xc0 [ 771.459609][ C0] ? rcu_is_watching+0x15/0xd0 [ 771.459613][ C0] do_syscall_64+0xbd/0xfc0 [ 771.459617][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 771.459619][ C0] RIP: 0033:0x7fa8bdfe2c5e [ 771.459622][ C0] Code: 4d 89 d8 e8 14 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 [ 771.459623][ C0] RSP: 002b:00007ffe445bb860 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 771.459630][ C0] RAX: ffffffffffffffda RBX: 00005569bea993a0 RCX: 00007fa8bdfe2c5e [ 771.459631][ C0] RDX: 0000000000000001 RSI: 00005569bea993a0 RDI: 0000000000000001 [ 771.459632][ C0] RBP: 00007ffe445bb870 R08: 0000000000000000 R09: 0000000000000000 [ 771.459632][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 771.459633][ C0] R13: 00005569bea5a010 R14: 0000000000000001 R15: 00005569bea993a0 [ 771.459639][ C0] [ 771.459640][ C0] handlers: [ 771.468585][ C0] [] serial8250_interrupt [ 771.468812][ C0] Disabling IRQ #51