[  837.579646][ T6578] tc (6578) used greatest stack depth: 23024 bytes left
[  874.064902][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  874.065320][    C0] CPU: 0 UID: 0 PID: 6290 Comm: perl Not tainted 6.12.0-virtme #1
[  874.065696][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  874.065935][    C0] Call Trace:
[  874.066197][    C0]  <IRQ>
[  874.066296][    C0]  dump_stack_lvl+0x82/0xd0
[  874.066491][    C0]  __report_bad_irq+0x5f/0x180
[  874.066683][    C0]  note_interrupt+0x66d/0x7f0
[  874.066874][    C0]  handle_irq_event+0x16d/0x1c0
[  874.067060][    C0]  handle_edge_irq+0x1fa/0xb60
[  874.067250][    C0]  __common_interrupt+0x82/0x170
[  874.067431][    C0]  common_interrupt+0x81/0xa0
[  874.067614][    C0]  </IRQ>
[  874.067712][    C0]  <TASK>
[  874.067806][    C0]  asm_common_interrupt+0x26/0x40
[  874.067997][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[  874.068233][    C0] Code: 10 e8 f1 89 83 fd 48 89 ef e8 a9 fe 83 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d c5 83 36 6e <74> 0e 5b 5d c3 cc cc cc cc e8 df e6 a8 fd eb dc 0f 1f 44 00 00 5b
[  874.068885][    C0] RSP: 0018:ffffc90003f37aa0 EFLAGS: 00000286
[  874.069130][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff2a040a8
[  874.069419][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff91cd4391
[  874.069696][    C0] RBP: ffffffff958e78a0 R08: 0000000000000001 R09: fffffbfff29ff7df
[  874.069970][    C0] R10: ffffffff94ffbeff R11: ffff88800dc7a300 R12: 00000000ffffffff
[  874.070244][    C0] R13: 0000000000000001 R14: ffffffff958e79a8 R15: 00000000ffffffff
[  874.070523][    C0]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[  874.070767][    C0]  uart_write+0x220/0x920
[  874.070918][    C0]  process_output_block+0x13e/0x790
[  874.071105][    C0]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  874.071337][    C0]  n_tty_write+0x40c/0x790
[  874.071527][    C0]  ? __pfx_n_tty_write+0x10/0x10
[  874.071711][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[  874.071893][    C0]  ? __pfx_woken_wake_function+0x10/0x10
[  874.072077][    C0]  ? iterate_tty_write+0x8f/0x540
[  874.072263][    C0]  ? lock_acquire+0x32/0xc0
[  874.072446][    C0]  ? iterate_tty_write+0x8f/0x540
[  874.072633][    C0]  iterate_tty_write+0x222/0x540
[  874.072820][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  874.073002][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[  874.073190][    C0]  vfs_write+0xa81/0x11e0
[  874.073328][    C0]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  874.073512][    C0]  ? __pfx_vfs_write+0x10/0x10
[  874.073703][    C0]  ? clockevents_program_event+0xf6/0x300
[  874.073898][    C0]  ? clockevents_program_event+0x1ea/0x300
[  874.074127][    C0]  ksys_write+0xf8/0x1d0
[  874.074266][    C0]  ? __pfx_ksys_write+0x10/0x10
[  874.074455][    C0]  do_syscall_64+0xc1/0x1d0
[  874.074641][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  874.074867][    C0] RIP: 0033:0x7fe84261e957
[  874.075054][    C0] Code: 0b 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
[  874.075690][    C0] RSP: 002b:00007ffdae81f988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  874.075963][    C0] RAX: ffffffffffffffda RBX: 000055a1aaebc3f0 RCX: 00007fe84261e957
[  874.076229][    C0] RDX: 0000000000000001 RSI: 000055a1aaebc3f0 RDI: 0000000000000001
[  874.076501][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  874.076868][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055a1aaea75e0
[  874.077202][    C0] R13: 000055a1aae882a0 R14: 0000000000000001 R15: 000055a1aaea75e0
[  874.077464][    C0]  </TASK>
[  874.077597][    C0] handlers:
[  874.077729][    C0] [<ffffffff9059e980>] serial8250_interrupt
[  874.078127][    C0] Disabling IRQ #51