[ 1291.572822][ T8145] tc (8145) used greatest stack depth: 23720 bytes left
[ 1325.196030][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1325.196576][    C0] CPU: 0 UID: 0 PID: 7870 Comm: perl Not tainted 6.17.0-rc1-virtme #1 PREEMPT(full) 
[ 1325.196586][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1325.196589][    C0] Call Trace:
[ 1325.196593][    C0]  <IRQ>
[ 1325.196596][    C0]  dump_stack_lvl+0x82/0xc0
[ 1325.196629][    C0]  __report_bad_irq+0x5f/0x1b0
[ 1325.196648][    C0]  note_interrupt+0x661/0x7e0
[ 1325.196655][    C0]  handle_irq_event+0x165/0x1c0
[ 1325.196665][    C0]  handle_edge_irq+0x324/0x880
[ 1325.196675][    C0]  __common_interrupt+0xa4/0x230
[ 1325.196690][    C0]  common_interrupt+0xb9/0xe0
[ 1325.196697][    C0]  </IRQ>
[ 1325.196698][    C0]  <TASK>
[ 1325.196702][    C0]  asm_common_interrupt+0x26/0x40
[ 1325.196710][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x70
[ 1325.196727][    C0] Code: 74 24 10 e8 31 1a 03 fe 48 89 ef e8 59 69 03 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> 9a 9d f7 fd 65 8b 05 13 fc 0a 02 85 c0 74 0a 5b 5d c3 e8 d7 1e
[ 1325.196731][    C0] RSP: 0018:ffffc90001447a98 EFLAGS: 00000206
[ 1325.196739][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[ 1325.196741][    C0] RDX: 0000000000000000 RSI: ffffffffbc9c5e13 RDI: 0000000000000001
[ 1325.196743][    C0] RBP: ffffffffbf24a300 R08: 0000000000000001 R09: 0000000000000001
[ 1325.196745][    C0] R10: ffffffffbd812817 R11: ffff888005d80970 R12: 00000000ffffffff
[ 1325.196747][    C0] R13: 0000000000000001 R14: ffffffffbf24a408 R15: 00000000ffffffff
[ 1325.196764][    C0]  uart_write+0x220/0x920
[ 1325.196781][    C0]  process_output_block+0x142/0x7b0
[ 1325.196790][    C0]  ? _raw_spin_unlock_irqrestore+0x59/0x70
[ 1325.196797][    C0]  n_tty_write+0x426/0x7c0
[ 1325.196800][    C0]  ? _copy_from_iter+0x1d1/0x12e0
[ 1325.196816][    C0]  ? n_tty_receive_signal_char+0x110/0x110
[ 1325.196822][    C0]  ? __init_waitqueue_head+0x150/0x150
[ 1325.196833][    C0]  ? lock_acquire+0x104/0x160
[ 1325.196836][    C0]  ? iterate_tty_write+0x91/0x530
[ 1325.196848][    C0]  iterate_tty_write+0x220/0x530
[ 1325.196855][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[ 1325.196863][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[ 1325.196871][    C0]  vfs_write+0xaae/0x12c0
[ 1325.196886][    C0]  ? kernel_write+0x6b0/0x6b0
[ 1325.196892][    C0]  ? trace_rseq_update+0xce/0x130
[ 1325.196905][    C0]  ? rseq_update_cpu_node_id+0x10c/0x170
[ 1325.196912][    C0]  ? __rseq_handle_notify_resume+0x2b8/0x420
[ 1325.196923][    C0]  ksys_write+0xf7/0x1d0
[ 1325.196927][    C0]  ? __ia32_sys_read+0xb0/0xb0
[ 1325.196941][    C0]  do_syscall_64+0xc1/0x370
[ 1325.196946][    C0]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1325.196949][    C0] RIP: 0033:0x7f0921985337
[ 1325.196955][    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
[ 1325.196957][    C0] RSP: 002b:00007ffe566d3298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1325.196960][    C0] RAX: ffffffffffffffda RBX: 000055ebe9c5e2e0 RCX: 00007f0921985337
[ 1325.196962][    C0] RDX: 0000000000000001 RSI: 000055ebe9c5e2e0 RDI: 0000000000000001
[ 1325.196963][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1325.196965][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055ebe9c49600
[ 1325.196967][    C0] R13: 000055ebe9c2a2a0 R14: 0000000000000001 R15: 000055ebe9c49600
[ 1325.196981][    C0]  </TASK>
[ 1325.196983][    C0] handlers:
[ 1325.213626][    C0] [<ffffffffbb2437f0>] serial8250_interrupt
[ 1325.214137][    C0] Disabling IRQ #51