[ 332.664854][ T4576] Mirror/redirect action on [ 363.035357][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 363.035834][ C0] CPU: 0 UID: 0 PID: 4364 Comm: perl Not tainted 6.19.0-rc3-virtme #1 PREEMPT(full) [ 363.035839][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 363.035841][ C0] Call Trace: [ 363.035843][ C0] [ 363.035846][ C0] dump_stack_lvl+0x6f/0xa0 [ 363.035858][ C0] __report_bad_irq+0x66/0x161 [ 363.035865][ C0] note_interrupt.cold+0x21/0xe7 [ 363.035868][ C0] ? serial8250_get_port+0x50/0x50 [ 363.035874][ C0] ? poll_spurious_irqs+0x140/0x140 [ 363.035885][ C0] handle_irq_event+0x166/0x1c0 [ 363.035889][ C0] handle_edge_irq+0x2ec/0x880 [ 363.035898][ C0] __common_interrupt+0xae/0x270 [ 363.035903][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0 [ 363.035908][ C0] common_interrupt+0xb0/0xf0 [ 363.035914][ C0] [ 363.035915][ C0] [ 363.035918][ C0] asm_common_interrupt+0x26/0x40 [ 363.035921][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 363.035927][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 91 77 df fd 48 89 df e8 f9 c8 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 30 1f d3 fd 65 8b 05 c9 01 06 02 85 c0 74 12 5b [ 363.035929][ C0] RSP: 0018:ffa0000009cefa70 EFLAGS: 00000246 [ 363.035933][ C0] RAX: 0000000000000082 RBX: ffffffffb8d8d4e0 RCX: ffffffffb5cebe73 [ 363.035935][ C0] RDX: ff11000013cc0040 RSI: ffffffffb65b3b89 RDI: ffffffffb606ae00 [ 363.035937][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001 [ 363.035939][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffb8d8d5e8 [ 363.035940][ C0] R13: 0000000000000001 R14: ffffffffb8d8d620 R15: ff1100000cf3f000 [ 363.035948][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 363.035955][ C0] uart_write+0x21d/0x940 [ 363.035964][ C0] process_output_block+0x117/0x6e0 [ 363.035973][ C0] n_tty_write+0x3a8/0x8f0 [ 363.035976][ C0] ? _copy_from_iter+0x1b6/0x1580 [ 363.035986][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 363.035989][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340 [ 363.035993][ C0] ? __init_waitqueue_head+0x160/0x160 [ 363.035999][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 363.036003][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 363.036011][ C0] iterate_tty_write+0x27d/0x550 [ 363.036017][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 363.036023][ C0] file_tty_write.isra.0+0x1a2/0x240 [ 363.036027][ C0] ? redirected_tty_write+0xd0/0xd0 [ 363.036030][ C0] new_sync_write+0x308/0x6f0 [ 363.036035][ C0] ? new_sync_read+0x3bb/0x6f0 [ 363.036040][ C0] ? new_sync_read+0x6f0/0x6f0 [ 363.036042][ C0] ? generic_atomic_write_valid+0x150/0x150 [ 363.036049][ C0] ? __lock_release.isra.0+0x59/0x170 [ 363.036060][ C0] vfs_write+0x65e/0xbb0 [ 363.036064][ C0] ? vfs_read+0x3cc/0x790 [ 363.036070][ C0] ksys_write+0xff/0x200 [ 363.036075][ C0] ? __ia32_sys_read+0xc0/0xc0 [ 363.036080][ C0] ? rcu_is_watching+0x15/0xd0 [ 363.036086][ C0] do_syscall_64+0xbd/0xfc0 [ 363.036092][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 363.036094][ C0] RIP: 0033:0x7f07ffffcc5e [ 363.036100][ 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 [ 363.036102][ C0] RSP: 002b:00007ffc9c6b5a20 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 363.036105][ C0] RAX: ffffffffffffffda RBX: 0000559c240bb4a0 RCX: 00007f07ffffcc5e [ 363.036106][ C0] RDX: 0000000000000001 RSI: 0000559c240bb4a0 RDI: 0000000000000001 [ 363.036107][ C0] RBP: 00007ffc9c6b5a30 R08: 0000000000000000 R09: 0000000000000000 [ 363.036109][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 363.036110][ C0] R13: 0000559c2407c010 R14: 0000000000000001 R15: 0000559c240bb4a0 [ 363.036123][ C0] [ 363.036124][ C0] handlers: [ 363.051196][ C0] [] serial8250_interrupt [ 363.051885][ C0] Disabling IRQ #51