[  900.982740][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  900.983124][    C0] CPU: 0 UID: 0 PID: 11633 Comm: perl Not tainted 6.12.0-rc6-virtme #1
[  900.983392][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  900.983614][    C0] Call Trace:
[  900.983788][    C0]  <IRQ>
[  900.984002][    C0]  dump_stack_lvl+0x82/0xd0
[  900.984208][    C0]  __report_bad_irq+0x5f/0x180
[  900.984395][    C0]  note_interrupt+0x6b3/0x860
[  900.984579][    C0]  handle_irq_event+0x16d/0x1c0
[  900.984754][    C0]  handle_edge_irq+0x1fa/0xb60
[  900.984940][    C0]  __common_interrupt+0x82/0x170
[  900.985124][    C0]  common_interrupt+0x81/0xa0
[  900.985308][    C0]  </IRQ>
[  900.985406][    C0]  <TASK>
[  900.985505][    C0]  asm_common_interrupt+0x26/0x40
[  900.985692][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[  900.985930][    C0] Code: 10 e8 51 53 86 fd 48 89 ef e8 b9 c5 86 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 65 9c 99 67 <74> 0e 5b 5d c3 cc cc cc cc e8 1f ac ab fd eb dc 0f 1f 44 00 00 5b
[  900.986594][    C0] RSP: 0018:ffffc900019c7aa0 EFLAGS: 00000286
[  900.986834][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff374112e
[  900.987110][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff986a2a71
[  900.987397][    C0] RBP: ffffffff9c2cf4a0 R08: 0000000000000001 R09: fffffbfff373c7cf
[  900.987671][    C0] R10: ffffffff9b9e3e7f R11: ffff8880090345c0 R12: 00000000ffffffff
[  900.987950][    C0] R13: 0000000000000001 R14: ffffffff9c2cf5a8 R15: 00000000ffffffff
[  900.988224][    C0]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[  900.988468][    C0]  uart_write+0x220/0x920
[  900.988609][    C0]  process_output_block+0x13e/0x790
[  900.988787][    C0]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  900.989015][    C0]  n_tty_write+0x40c/0x790
[  900.989196][    C0]  ? __pfx_n_tty_write+0x10/0x10
[  900.989384][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[  900.989577][    C0]  ? __pfx_woken_wake_function+0x10/0x10
[  900.989759][    C0]  ? iterate_tty_write+0x8f/0x540
[  900.989944][    C0]  ? lock_acquire+0x32/0xc0
[  900.990129][    C0]  ? iterate_tty_write+0x8f/0x540
[  900.990325][    C0]  iterate_tty_write+0x222/0x540
[  900.990507][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  900.990693][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[  900.990875][    C0]  vfs_write+0xa81/0x11e0
[  900.991011][    C0]  ? __pfx___lock_release+0x10/0x10
[  900.991182][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[  900.991363][    C0]  ? __might_fault+0xc3/0x170
[  900.991556][    C0]  ? lock_acquire+0x32/0xc0
[  900.991733][    C0]  ? __pfx_vfs_write+0x10/0x10
[  900.991922][    C0]  ? trace_rseq_update+0xe2/0x140
[  900.992105][    C0]  ? __rseq_handle_notify_resume+0x288/0x3e0
[  900.992330][    C0]  ksys_write+0xf5/0x1e0
[  900.992468][    C0]  ? __pfx_ksys_write+0x10/0x10
[  900.992671][    C0]  do_syscall_64+0xc1/0x1d0
[  900.992848][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  900.993084][    C0] RIP: 0033:0x7f426c058957
[  900.993270][    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
[  900.993882][    C0] RSP: 002b:00007fff379b4668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  900.994149][    C0] RAX: ffffffffffffffda RBX: 000056534032a2b0 RCX: 00007f426c058957
[  900.994412][    C0] RDX: 0000000000000001 RSI: 000056534032a2b0 RDI: 0000000000000001
[  900.994671][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  900.994924][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005653403155e0
[  900.995178][    C0] R13: 00005653402f62a0 R14: 0000000000000001 R15: 00005653403155e0
[  900.995450][    C0]  </TASK>
[  900.995580][    C0] handlers:
[  900.995736][    C0] [<ffffffff96f76650>] serial8250_interrupt
[  900.996148][    C0] Disabling IRQ #51