[ 1285.794118][T20053] tc (20053) used greatest stack depth: 23608 bytes left
[ 1310.759336][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1310.759898][    C0] CPU: 0 UID: 0 PID: 19682 Comm: perl Not tainted 6.17.0-rc2-virtme #1 PREEMPT(full) 
[ 1310.759903][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1310.759905][    C0] Call Trace:
[ 1310.759908][    C0]  <IRQ>
[ 1310.759910][    C0]  dump_stack_lvl+0x82/0xc0
[ 1310.759924][    C0]  __report_bad_irq+0x5f/0x1b0
[ 1310.759934][    C0]  note_interrupt+0x661/0x7e0
[ 1310.759941][    C0]  handle_irq_event+0x165/0x1c0
[ 1310.759950][    C0]  handle_edge_irq+0x324/0x880
[ 1310.759970][    C0]  __common_interrupt+0xa4/0x230
[ 1310.759979][    C0]  common_interrupt+0xb9/0xe0
[ 1310.759985][    C0]  </IRQ>
[ 1310.759986][    C0]  <TASK>
[ 1310.759990][    C0]  asm_common_interrupt+0x26/0x40
[ 1310.759994][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x70
[ 1310.760002][    C0] Code: 74 24 10 e8 61 9b 03 fe 48 89 ef e8 89 ea 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> 4a 20 f8 fd 65 8b 05 a3 6e 0b 02 85 c0 74 0a 5b 5d c3 e8 07 a0
[ 1310.760006][    C0] RSP: 0018:ffffc900014a7a98 EFLAGS: 00000206
[ 1310.760010][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[ 1310.760012][    C0] RDX: 0000000000000000 RSI: ffffffff9b5c5aab RDI: 0000000000000001
[ 1310.760014][    C0] RBP: ffffffff9de49300 R08: 0000000000000001 R09: 0000000000000001
[ 1310.760016][    C0] R10: ffffffff9c411b17 R11: ffff888005e40970 R12: 00000000ffffffff
[ 1310.760018][    C0] R13: 0000000000000001 R14: ffffffff9de49408 R15: 00000000ffffffff
[ 1310.760035][    C0]  uart_write+0x220/0x920
[ 1310.760047][    C0]  process_output_block+0x142/0x7b0
[ 1310.760053][    C0]  ? _raw_spin_unlock_irqrestore+0x59/0x70
[ 1310.760060][    C0]  n_tty_write+0x426/0x7c0
[ 1310.760063][    C0]  ? _copy_from_iter+0x1d1/0x12e0
[ 1310.760074][    C0]  ? n_tty_receive_signal_char+0x110/0x110
[ 1310.760080][    C0]  ? __init_waitqueue_head+0x150/0x150
[ 1310.760088][    C0]  ? lock_acquire+0x104/0x160
[ 1310.760091][    C0]  ? iterate_tty_write+0x91/0x530
[ 1310.760104][    C0]  iterate_tty_write+0x220/0x530
[ 1310.760111][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[ 1310.760118][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[ 1310.760126][    C0]  vfs_write+0xaae/0x12c0
[ 1310.760133][    C0]  ? find_held_lock+0x2b/0x80
[ 1310.760138][    C0]  ? kernel_write+0x6b0/0x6b0
[ 1310.760146][    C0]  ? clockevents_program_event+0xf3/0x2f0
[ 1310.760158][    C0]  ? clockevents_program_event+0x1e4/0x2f0
[ 1310.760165][    C0]  ksys_write+0xf7/0x1d0
[ 1310.760169][    C0]  ? __ia32_sys_read+0xb0/0xb0
[ 1310.760180][    C0]  do_syscall_64+0xc1/0x370
[ 1310.760185][    C0]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1310.760188][    C0] RIP: 0033:0x7f5df8ffb337
[ 1310.760193][    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
[ 1310.760195][    C0] RSP: 002b:00007ffc93cfab48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1310.760199][    C0] RAX: ffffffffffffffda RBX: 0000560d597b3420 RCX: 00007f5df8ffb337
[ 1310.760201][    C0] RDX: 0000000000000001 RSI: 0000560d597b3420 RDI: 0000000000000001
[ 1310.760203][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1310.760204][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000560d5979e600
[ 1310.760206][    C0] R13: 0000560d5977f2a0 R14: 0000000000000001 R15: 0000560d5979e600
[ 1310.760221][    C0]  </TASK>
[ 1310.760222][    C0] handlers:
[ 1310.777532][    C0] [<ffffffff99e43db0>] serial8250_interrupt
[ 1310.778457][    C0] Disabling IRQ #51