[ 517.164611][T12434] Mirror/redirect action on [ 520.635859][T12644] tc (12644) used greatest stack depth: 23856 bytes left [ 579.037704][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 579.038073][ C0] CPU: 0 UID: 0 PID: 12172 Comm: perl Not tainted 6.19.0-rc1-virtme #1 PREEMPT(full) [ 579.038077][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 579.038078][ C0] Call Trace: [ 579.038080][ C0] [ 579.038081][ C0] dump_stack_lvl+0x6f/0xa0 [ 579.038091][ C0] __report_bad_irq+0x66/0x161 [ 579.038096][ C0] note_interrupt.cold+0x21/0xe7 [ 579.038097][ C0] ? serial8250_get_port+0x50/0x50 [ 579.038102][ C0] ? poll_spurious_irqs+0x140/0x140 [ 579.038108][ C0] handle_irq_event+0x166/0x1c0 [ 579.038111][ C0] handle_edge_irq+0x2ec/0x880 [ 579.038116][ C0] __common_interrupt+0xae/0x270 [ 579.038120][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0 [ 579.038124][ C0] common_interrupt+0xb0/0xf0 [ 579.038128][ C0] [ 579.038129][ C0] [ 579.038131][ C0] asm_common_interrupt+0x26/0x40 [ 579.038133][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 579.038137][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 51 87 df fd 48 89 df e8 b9 d8 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 f0 2e d3 fd 65 8b 05 c9 01 06 02 85 c0 74 12 5b [ 579.038139][ C0] RSP: 0018:ffa00000055dfa70 EFLAGS: 00000246 [ 579.038143][ C0] RAX: 0000000000000082 RBX: ffffffffa738c520 RCX: ffffffffa42eae73 [ 579.038144][ C0] RDX: ff1100000c228040 RSI: ffffffffa4bb3803 RDI: ffffffffa466ad00 [ 579.038145][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001 [ 579.038146][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffa738c628 [ 579.038147][ C0] R13: 0000000000000001 R14: ffffffffa738c660 R15: ff11000009d59c00 [ 579.038150][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 579.038154][ C0] uart_write+0x21d/0x940 [ 579.038160][ C0] process_output_block+0x117/0x6e0 [ 579.038165][ C0] n_tty_write+0x3a8/0x8f0 [ 579.038167][ C0] ? _copy_from_iter+0x1b6/0x1580 [ 579.038172][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 579.038175][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340 [ 579.038177][ C0] ? __init_waitqueue_head+0x160/0x160 [ 579.038181][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 579.038184][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 579.038188][ C0] iterate_tty_write+0x27d/0x550 [ 579.038191][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 579.038195][ C0] file_tty_write.isra.0+0x1a2/0x240 [ 579.038197][ C0] ? redirected_tty_write+0xd0/0xd0 [ 579.038199][ C0] new_sync_write+0x308/0x6f0 [ 579.038202][ C0] ? new_sync_read+0x3bb/0x6f0 [ 579.038205][ C0] ? new_sync_read+0x6f0/0x6f0 [ 579.038207][ C0] ? generic_atomic_write_valid+0x150/0x150 [ 579.038211][ C0] ? __lock_release.isra.0+0x59/0x170 [ 579.038216][ C0] vfs_write+0x65e/0xbb0 [ 579.038219][ C0] ? vfs_read+0x3cc/0x790 [ 579.038223][ C0] ksys_write+0xff/0x200 [ 579.038226][ C0] ? __ia32_sys_read+0xc0/0xc0 [ 579.038229][ C0] ? rcu_is_watching+0x15/0xd0 [ 579.038232][ C0] do_syscall_64+0xbd/0xfc0 [ 579.038235][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 579.038237][ C0] RIP: 0033:0x7f4edd741c5e [ 579.038241][ 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 [ 579.038242][ C0] RSP: 002b:00007ffcf964f700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 579.038244][ C0] RAX: ffffffffffffffda RBX: 0000559f0e5bc300 RCX: 00007f4edd741c5e [ 579.038245][ C0] RDX: 0000000000000001 RSI: 0000559f0e5bc300 RDI: 0000000000000001 [ 579.038246][ C0] RBP: 00007ffcf964f710 R08: 0000000000000000 R09: 0000000000000000 [ 579.038246][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 579.038247][ C0] R13: 0000559f0e57d010 R14: 0000000000000001 R15: 0000559f0e5bc300 [ 579.038253][ C0] [ 579.038254][ C0] handlers: [ 579.047767][ C0] [] serial8250_interrupt [ 579.048075][ C0] Disabling IRQ #51