[ 746.178828][T17620] Mirror/redirect action on [ 849.981264][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 849.981634][ C0] CPU: 0 UID: 0 PID: 17383 Comm: perl Not tainted 6.19.0-rc8-virtme #1 PREEMPT(full) [ 849.981638][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 849.981640][ C0] Call Trace: [ 849.981642][ C0] [ 849.981643][ C0] dump_stack_lvl+0x6f/0xa0 [ 849.981659][ C0] __report_bad_irq+0x66/0x161 [ 849.981664][ C0] note_interrupt.cold+0x21/0xe7 [ 849.981666][ C0] ? serial8250_get_port+0x50/0x50 [ 849.981671][ C0] ? poll_spurious_irqs+0x140/0x140 [ 849.981677][ C0] handle_irq_event+0x166/0x1c0 [ 849.981680][ C0] handle_edge_irq+0x2ec/0x880 [ 849.981685][ C0] __common_interrupt+0xae/0x270 [ 849.981688][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0 [ 849.981691][ C0] common_interrupt+0xb0/0xf0 [ 849.981696][ C0] [ 849.981696][ C0] [ 849.981699][ C0] asm_common_interrupt+0x26/0x40 [ 849.981702][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 849.981707][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 b1 03 df fd 48 89 df e8 19 55 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 f0 91 d2 fd 65 8b 05 29 94 05 02 85 c0 74 12 5b [ 849.981710][ C0] RSP: 0018:ffa000000cb7fa70 EFLAGS: 00000246 [ 849.981714][ C0] RAX: 0000000000000082 RBX: ffffffffbd590520 RCX: ffffffffba4f5c13 [ 849.981716][ C0] RDX: ff11000015618040 RSI: ffffffffbadb5ab7 RDI: ffffffffba86b380 [ 849.981717][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001 [ 849.981719][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffbd590628 [ 849.981720][ C0] R13: 0000000000000001 R14: ffffffffbd590660 R15: ff11000004d40400 [ 849.981726][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 849.981731][ C0] uart_write+0x21d/0x940 [ 849.981736][ C0] process_output_block+0x117/0x6e0 [ 849.981741][ C0] n_tty_write+0x3a8/0x8f0 [ 849.981742][ C0] ? _copy_from_iter+0x1b6/0x1580 [ 849.981748][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 849.981750][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340 [ 849.981753][ C0] ? __init_waitqueue_head+0x160/0x160 [ 849.981756][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 849.981759][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 849.981763][ C0] iterate_tty_write+0x27d/0x550 [ 849.981766][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 849.981770][ C0] file_tty_write.isra.0+0x1a2/0x240 [ 849.981772][ C0] ? redirected_tty_write+0xd0/0xd0 [ 849.981774][ C0] new_sync_write+0x308/0x6f0 [ 849.981778][ C0] ? new_sync_read+0x3bb/0x6f0 [ 849.981781][ C0] ? new_sync_read+0x6f0/0x6f0 [ 849.981782][ C0] ? generic_atomic_write_valid+0x150/0x150 [ 849.981786][ C0] ? __lock_release.isra.0+0x59/0x170 [ 849.981791][ C0] vfs_write+0x65e/0xbb0 [ 849.981793][ C0] ? vfs_read+0x3cc/0x790 [ 849.981797][ C0] ksys_write+0xff/0x200 [ 849.981800][ C0] ? __ia32_sys_read+0xc0/0xc0 [ 849.981803][ C0] ? rcu_is_watching+0x15/0xd0 [ 849.981806][ C0] do_syscall_64+0xbd/0xfc0 [ 849.981809][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 849.981811][ C0] RIP: 0033:0x7fb521832c5e [ 849.981814][ 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 [ 849.981816][ C0] RSP: 002b:00007fffe53776c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 849.981817][ C0] RAX: ffffffffffffffda RBX: 000055d2d37e93f0 RCX: 00007fb521832c5e [ 849.981818][ C0] RDX: 0000000000000001 RSI: 000055d2d37e93f0 RDI: 0000000000000001 [ 849.981819][ C0] RBP: 00007fffe53776d0 R08: 0000000000000000 R09: 0000000000000000 [ 849.981820][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 849.981820][ C0] R13: 000055d2d37aa010 R14: 0000000000000001 R15: 000055d2d37e93f0 [ 849.981826][ C0] [ 849.981827][ C0] handlers: [ 849.991569][ C0] [] serial8250_interrupt [ 849.992112][ C0] Disabling IRQ #51