[ 1011.536876][ T6236] tc (6236) used greatest stack depth: 23952 bytes left
[ 1056.608779][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1056.609315][    C0] CPU: 0 UID: 0 PID: 5963 Comm: perl Not tainted 6.18.0-rc1-virtme #1 PREEMPT(full) 
[ 1056.609321][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1056.609323][    C0] Call Trace:
[ 1056.609325][    C0]  <IRQ>
[ 1056.609327][    C0]  dump_stack_lvl+0x82/0xc0
[ 1056.609338][    C0]  __report_bad_irq+0x5f/0x1b0
[ 1056.609346][    C0]  note_interrupt+0x661/0x7e0
[ 1056.609353][    C0]  handle_irq_event+0x165/0x1c0
[ 1056.609360][    C0]  handle_edge_irq+0x324/0x880
[ 1056.609370][    C0]  __common_interrupt+0xa4/0x230
[ 1056.609378][    C0]  common_interrupt+0xb9/0xe0
[ 1056.609382][    C0]  </IRQ>
[ 1056.609383][    C0]  <TASK>
[ 1056.609386][    C0]  asm_common_interrupt+0x26/0x40
[ 1056.609390][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x70
[ 1056.609396][    C0] Code: 74 24 10 e8 81 0e 00 fe 48 89 ef e8 a9 5d 00 fe 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 8a 94 f4 fd 65 8b 05 43 3e 08 02 85 c0 74 0a 5b 5d c3 e8 b7 21
[ 1056.609399][    C0] RSP: 0018:ffffc9000462fa88 EFLAGS: 00000206
[ 1056.609403][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[ 1056.609405][    C0] RDX: 0000000000000000 RSI: ffffffffb598564a RDI: 0000000000000001
[ 1056.609407][    C0] RBP: ffffffffb826a520 R08: 0000000000000001 R09: 0000000000000001
[ 1056.609408][    C0] R10: ffffffffb6822757 R11: ffff888005848970 R12: 00000000ffffffff
[ 1056.609410][    C0] R13: 0000000000000001 R14: ffffffffb826a628 R15: 00000000ffffffff
[ 1056.609426][    C0]  uart_write+0x220/0x920
[ 1056.609437][    C0]  process_output_block+0x142/0x7b0
[ 1056.609443][    C0]  ? _raw_spin_unlock_irqrestore+0x59/0x70
[ 1056.609450][    C0]  n_tty_write+0x423/0x7c0
[ 1056.609453][    C0]  ? _copy_from_iter+0x1d1/0x1340
[ 1056.609464][    C0]  ? n_tty_receive_signal_char+0x110/0x110
[ 1056.609470][    C0]  ? __init_waitqueue_head+0x150/0x150
[ 1056.609476][    C0]  ? lock_acquire+0x104/0x160
[ 1056.609481][    C0]  ? iterate_tty_write+0x91/0x530
[ 1056.609491][    C0]  iterate_tty_write+0x220/0x530
[ 1056.609497][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[ 1056.609504][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[ 1056.609511][    C0]  vfs_write+0xaae/0x12c0
[ 1056.609520][    C0]  ? kernel_write+0x6b0/0x6b0
[ 1056.609526][    C0]  ? rcu_is_watching+0x12/0xb0
[ 1056.609532][    C0]  ? trace_rseq_update+0xce/0x130
[ 1056.609542][    C0]  ? __rseq_handle_notify_resume+0x2a7/0x400
[ 1056.609553][    C0]  ksys_write+0xf7/0x1d0
[ 1056.609557][    C0]  ? __ia32_sys_read+0xb0/0xb0
[ 1056.609569][    C0]  do_syscall_64+0xc1/0xfd0
[ 1056.609575][    C0]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1056.609577][    C0] RIP: 0033:0x7f5f552e3257
[ 1056.609581][    C0] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[ 1056.609583][    C0] RSP: 002b:00007ffd81e369d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1056.609586][    C0] RAX: ffffffffffffffda RBX: 000055e138584420 RCX: 00007f5f552e3257
[ 1056.609588][    C0] RDX: 0000000000000001 RSI: 000055e138584420 RDI: 0000000000000001
[ 1056.609589][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1056.609591][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055e13856f600
[ 1056.609592][    C0] R13: 000055e1385502a0 R14: 0000000000000001 R15: 000055e13856f600
[ 1056.609608][    C0]  </TASK>
[ 1056.609609][    C0] handlers:
[ 1056.626361][    C0] [<ffffffffb4287100>] serial8250_interrupt
[ 1056.626824][    C0] Disabling IRQ #51
[ 1071.626383][ T6361] tc (6361) used greatest stack depth: 23632 bytes left