[ 588.121561][T17663] Mirror/redirect action on [ 608.673455][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 608.673771][ C0] CPU: 0 UID: 0 PID: 17385 Comm: perl Not tainted 6.19.0-rc7-virtme #1 PREEMPT(full) [ 608.673775][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 608.673776][ C0] Call Trace: [ 608.673778][ C0] [ 608.673779][ C0] dump_stack_lvl+0x6f/0xa0 [ 608.673789][ C0] __report_bad_irq+0x66/0x161 [ 608.673794][ C0] note_interrupt.cold+0x21/0xe7 [ 608.673796][ C0] ? serial8250_get_port+0x50/0x50 [ 608.673801][ C0] ? poll_spurious_irqs+0x140/0x140 [ 608.673808][ C0] handle_irq_event+0x166/0x1c0 [ 608.673811][ C0] handle_edge_irq+0x2ec/0x880 [ 608.673815][ C0] __common_interrupt+0xae/0x270 [ 608.673818][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0 [ 608.673821][ C0] common_interrupt+0xb0/0xf0 [ 608.673826][ C0] [ 608.673827][ C0] [ 608.673828][ C0] asm_common_interrupt+0x26/0x40 [ 608.673831][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 608.673835][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 31 53 de fd 48 89 df e8 99 a4 de fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 f0 e1 d1 fd 65 8b 05 29 04 05 02 85 c0 74 12 5b [ 608.673837][ C0] RSP: 0018:ffa0000001217a70 EFLAGS: 00000246 [ 608.673840][ C0] RAX: 0000000000000082 RBX: ffffffffa8192520 RCX: ffffffffa5100c13 [ 608.673841][ C0] RDX: ff11000001c622c0 RSI: ffffffffa59b645e RDI: ffffffffa546b280 [ 608.673842][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001 [ 608.673843][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffa8192628 [ 608.673844][ C0] R13: 0000000000000001 R14: ffffffffa8192660 R15: ff110000094c9c00 [ 608.673847][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 608.673852][ C0] uart_write+0x21d/0x940 [ 608.673857][ C0] process_output_block+0x117/0x6e0 [ 608.673862][ C0] n_tty_write+0x3a8/0x8f0 [ 608.673864][ C0] ? _copy_from_iter+0x1b6/0x1580 [ 608.673870][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 608.673872][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340 [ 608.673875][ C0] ? __init_waitqueue_head+0x160/0x160 [ 608.673879][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 608.673882][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 608.673886][ C0] iterate_tty_write+0x27d/0x550 [ 608.673890][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 608.673893][ C0] file_tty_write.isra.0+0x1a2/0x240 [ 608.673895][ C0] ? redirected_tty_write+0xd0/0xd0 [ 608.673898][ C0] new_sync_write+0x308/0x6f0 [ 608.673901][ C0] ? new_sync_read+0x3bb/0x6f0 [ 608.673903][ C0] ? rcu_is_watching+0x15/0xd0 [ 608.673907][ C0] ? new_sync_read+0x6f0/0x6f0 [ 608.673908][ C0] ? generic_atomic_write_valid+0x150/0x150 [ 608.673916][ C0] vfs_write+0x65e/0xbb0 [ 608.673919][ C0] ? vfs_read+0x3cc/0x790 [ 608.673922][ C0] ksys_write+0xff/0x200 [ 608.673925][ C0] ? __ia32_sys_read+0xc0/0xc0 [ 608.673928][ C0] ? do_syscall_64+0x88/0xfc0 [ 608.673930][ C0] ? rcu_is_watching+0x15/0xd0 [ 608.673933][ C0] do_syscall_64+0xbd/0xfc0 [ 608.673935][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 608.673937][ C0] RIP: 0033:0x7f9c3eb64c5e [ 608.673940][ 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 [ 608.673941][ C0] RSP: 002b:00007ffcdde777c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 608.673943][ C0] RAX: ffffffffffffffda RBX: 00005651ca87f2f0 RCX: 00007f9c3eb64c5e [ 608.673944][ C0] RDX: 0000000000000001 RSI: 00005651ca87f2f0 RDI: 0000000000000001 [ 608.673945][ C0] RBP: 00007ffcdde777d0 R08: 0000000000000000 R09: 0000000000000000 [ 608.673945][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 608.673946][ C0] R13: 00005651ca840010 R14: 0000000000000001 R15: 00005651ca87f2f0 [ 608.673952][ C0] [ 608.673953][ C0] handlers: [ 608.683698][ C0] [] serial8250_interrupt [ 608.684143][ C0] Disabling IRQ #51