[  131.825047][  T936] Mirror/redirect action on
[  156.083058][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[  156.083513][    C3] CPU: 3 UID: 0 PID: 785 Comm: perl Not tainted 6.12.0-rc6-virtme #1
[  156.083771][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  156.084132][    C3] Call Trace:
[  156.084262][    C3]  <IRQ>
[  156.084360][    C3]  dump_stack_lvl+0x82/0xd0
[  156.084555][    C3]  __report_bad_irq+0x5f/0x180
[  156.084726][    C3]  note_interrupt+0x6b3/0x860
[  156.084906][    C3]  handle_irq_event+0x16d/0x1c0
[  156.085080][    C3]  handle_edge_irq+0x1fa/0xb60
[  156.085266][    C3]  __common_interrupt+0x82/0x170
[  156.085444][    C3]  common_interrupt+0x81/0xa0
[  156.085622][    C3]  </IRQ>
[  156.085711][    C3]  <TASK>
[  156.085802][    C3]  asm_common_interrupt+0x26/0x40
[  156.085973][    C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[  156.086206][    C3] Code: 10 e8 41 63 86 fd 48 89 ef e8 a9 d5 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 55 ac 79 51 <74> 0e 5b 5d c3 cc cc cc cc e8 0f bc ab fd eb dc 0f 1f 44 00 00 5b
[  156.086795][    C3] RSP: 0018:ffffc90000a2faa0 EFLAGS: 00000286
[  156.087014][    C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff63816bf
[  156.087274][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffae8a1a81
[  156.087534][    C3] RBP: ffffffffb24cf4a0 R08: 0000000000000001 R09: fffffbfff637c7d0
[  156.087790][    C3] R10: ffffffffb1be3e87 R11: ffff8880052f2300 R12: 00000000ffffffff
[  156.088048][    C3] R13: 0000000000000001 R14: ffffffffb24cf5a8 R15: 00000000ffffffff
[  156.088321][    C3]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[  156.088541][    C3]  uart_write+0x220/0x920
[  156.088685][    C3]  process_output_block+0x13e/0x790
[  156.088851][    C3]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  156.089071][    C3]  n_tty_write+0x40c/0x790
[  156.089249][    C3]  ? __pfx_n_tty_write+0x10/0x10
[  156.089416][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[  156.089591][    C3]  ? __pfx_woken_wake_function+0x10/0x10
[  156.089770][    C3]  ? iterate_tty_write+0x8f/0x540
[  156.089941][    C3]  ? lock_acquire+0x32/0xc0
[  156.090111][    C3]  ? iterate_tty_write+0x8f/0x540
[  156.090288][    C3]  iterate_tty_write+0x222/0x540
[  156.090465][    C3]  ? tty_ldisc_ref_wait+0x28/0x80
[  156.090652][    C3]  file_tty_write.constprop.0+0x1cf/0x360
[  156.090829][    C3]  vfs_write+0xa81/0x11e0
[  156.090958][    C3]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  156.091121][    C3]  ? __pfx_vfs_write+0x10/0x10
[  156.091304][    C3]  ? clockevents_program_event+0xf6/0x300
[  156.091486][    C3]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  156.091701][    C3]  ksys_write+0xf5/0x1e0
[  156.091831][    C3]  ? __pfx_ksys_write+0x10/0x10
[  156.092004][    C3]  do_syscall_64+0xc1/0x1d0
[  156.092176][    C3]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  156.092390][    C3] RIP: 0033:0x7fb2a92ff957
[  156.092563][    C3] 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
[  156.093151][    C3] RSP: 002b:00007ffd4f506608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  156.093403][    C3] RAX: ffffffffffffffda RBX: 0000560be0922330 RCX: 00007fb2a92ff957
[  156.093659][    C3] RDX: 0000000000000001 RSI: 0000560be0922330 RDI: 0000000000000001
[  156.093907][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  156.094160][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000560be090d5e0
[  156.094408][    C3] R13: 0000560be08ee2a0 R14: 0000000000000001 R15: 0000560be090d5e0
[  156.094666][    C3]  </TASK>
[  156.094792][    C3] handlers:
[  156.094919][    C3] [<ffffffffad176650>] serial8250_interrupt
[  156.095340][    C3] Disabling IRQ #4