[ 964.925200][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 964.925568][ C0] CPU: 0 UID: 0 PID: 7806 Comm: perl Not tainted 6.18.0-virtme #1 PREEMPT(full) [ 964.925572][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 964.925573][ C0] Call Trace: [ 964.925575][ C0] [ 964.925577][ C0] dump_stack_lvl+0x6f/0xa0 [ 964.925586][ C0] __report_bad_irq+0x66/0x161 [ 964.925591][ C0] note_interrupt.cold+0x21/0xe7 [ 964.925593][ C0] ? serial8250_get_port+0x50/0x50 [ 964.925598][ C0] ? poll_spurious_irqs+0x140/0x140 [ 964.925604][ C0] handle_irq_event+0x166/0x1c0 [ 964.925607][ C0] handle_edge_irq+0x2ec/0x880 [ 964.925612][ C0] __common_interrupt+0xae/0x270 [ 964.925616][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0 [ 964.925619][ C0] common_interrupt+0xc4/0x100 [ 964.925623][ C0] [ 964.925624][ C0] [ 964.925626][ C0] asm_common_interrupt+0x26/0x40 [ 964.925628][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 964.925632][ 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 [ 964.925634][ C0] RSP: 0018:ffa0000001a67a70 EFLAGS: 00000246 [ 964.925638][ C0] RAX: 0000000000000082 RBX: ffffffff97973860 RCX: ffffffff94896e63 [ 964.925639][ C0] RDX: ff110000076f8040 RSI: ffffffff951a9a6a RDI: ffffffff94c67200 [ 964.925640][ C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000001 [ 964.925641][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff97973968 [ 964.925641][ C0] R13: 0000000000000001 R14: ffffffff979739a0 R15: ff11000009a1cc00 [ 964.925645][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 964.925650][ C0] uart_write+0x21d/0x940 [ 964.925655][ C0] process_output_block+0x117/0x6e0 [ 964.925660][ C0] n_tty_write+0x3a9/0x8d0 [ 964.925662][ C0] ? _copy_from_iter+0x1b6/0x1580 [ 964.925668][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 964.925671][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340 [ 964.925673][ C0] ? __init_waitqueue_head+0x160/0x160 [ 964.925677][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 964.925680][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 964.925684][ C0] iterate_tty_write+0x27d/0x550 [ 964.925688][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 964.925691][ C0] file_tty_write.isra.0+0x1a2/0x240 [ 964.925693][ C0] ? redirected_tty_write+0xd0/0xd0 [ 964.925695][ C0] new_sync_write+0x308/0x6f0 [ 964.925699][ C0] ? new_sync_read+0x3bb/0x6f0 [ 964.925702][ C0] ? new_sync_read+0x6f0/0x6f0 [ 964.925704][ C0] ? generic_atomic_write_valid+0x150/0x150 [ 964.925708][ C0] ? __lock_release.isra.0+0x59/0x170 [ 964.925714][ C0] vfs_write+0x65e/0xbb0 [ 964.925716][ C0] ? vfs_read+0x3cc/0x790 [ 964.925719][ C0] ksys_write+0xff/0x200 [ 964.925722][ C0] ? __ia32_sys_read+0xc0/0xc0 [ 964.925726][ C0] ? rcu_is_watching+0x15/0xd0 [ 964.925729][ C0] do_syscall_64+0xbd/0xfc0 [ 964.925734][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 964.925736][ C0] RIP: 0033:0x7f135e3e5c5e [ 964.925739][ 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 [ 964.925740][ C0] RSP: 002b:00007ffda2a453b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 964.925742][ C0] RAX: ffffffffffffffda RBX: 0000558129103480 RCX: 00007f135e3e5c5e [ 964.925743][ C0] RDX: 0000000000000001 RSI: 0000558129103480 RDI: 0000000000000001 [ 964.925744][ C0] RBP: 00007ffda2a453c0 R08: 0000000000000000 R09: 0000000000000000 [ 964.925744][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 964.925745][ C0] R13: 00005581290c4010 R14: 0000000000000001 R15: 0000558129103480 [ 964.925751][ C0] [ 964.925752][ C0] handlers: [ 964.935309][ C0] [] serial8250_interrupt [ 964.935616][ C0] Disabling IRQ #51