[ 1144.592412][ T7190] Mirror/redirect action on
[ 1218.915307][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1218.915723][    C3] CPU: 3 UID: 0 PID: 7043 Comm: perl Not tainted 6.11.0-rc7-virtme #1
[ 1218.915966][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1218.916334][    C3] Call Trace:
[ 1218.916459][    C3]  <IRQ>
[ 1218.916551][    C3]  dump_stack_lvl+0x82/0xd0
[ 1218.916726][    C3]  __report_bad_irq+0x5f/0x180
[ 1218.916893][    C3]  note_interrupt+0x6b3/0x860
[ 1218.917060][    C3]  handle_irq_event+0x16d/0x1c0
[ 1218.917227][    C3]  handle_edge_irq+0x1fa/0xb60
[ 1218.917394][    C3]  __common_interrupt+0x82/0x170
[ 1218.917557][    C3]  common_interrupt+0x7e/0x90
[ 1218.917716][    C3]  </IRQ>
[ 1218.917801][    C3]  <TASK>
[ 1218.917886][    C3]  asm_common_interrupt+0x26/0x40
[ 1218.918045][    C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1218.918254][    C3] Code: 10 e8 81 7c 8c fd 48 89 ef e8 29 ed 8c 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 35 a6 40 60 <74> 0e 5b 5d c3 cc cc cc cc e8 ff a5 b0 fd eb dc 0f 1f 44 00 00 5b
[ 1218.918813][    C3] RSP: 0018:ffffc9000297fab8 EFLAGS: 00000286
[ 1218.919012][    C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff45f8407
[ 1218.919248][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9fc32061
[ 1218.919478][    C3] RBP: ffffffffa38832a0 R08: 0000000000000001 R09: fffffbfff45f3518
[ 1218.919716][    C3] R10: ffffffffa2f9a8c7 R11: 0000000000000000 R12: ffffffffa38833a8
[ 1218.919957][    C3] R13: ffff88800624b400 R14: ffffffffa38832a0 R15: 0000000000000286
[ 1218.920213][    C3]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1218.920437][    C3]  uart_write+0x13e/0x320
[ 1218.920563][    C3]  process_output_block+0x13e/0x790
[ 1218.920727][    C3]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1218.920928][    C3]  n_tty_write+0x412/0x7a0
[ 1218.921088][    C3]  ? __pfx_n_tty_write+0x10/0x10
[ 1218.921256][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[ 1218.921423][    C3]  ? __pfx_woken_wake_function+0x10/0x10
[ 1218.921589][    C3]  ? iterate_tty_write+0x95/0x540
[ 1218.921754][    C3]  ? lock_acquire+0x32/0xc0
[ 1218.921917][    C3]  ? iterate_tty_write+0x95/0x540
[ 1218.922085][    C3]  iterate_tty_write+0x228/0x540
[ 1218.922255][    C3]  ? tty_ldisc_ref_wait+0x28/0x80
[ 1218.922423][    C3]  file_tty_write.constprop.0+0x1db/0x370
[ 1218.922579][    C3]  vfs_write+0xa1b/0x10b0
[ 1218.922700][    C3]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1218.922862][    C3]  ? __pfx_vfs_write+0x10/0x10
[ 1218.923027][    C3]  ? clockevents_program_event+0xf6/0x300
[ 1218.923195][    C3]  ? __fget_light+0x53/0x1e0
[ 1218.923357][    C3]  ksys_write+0xf5/0x1e0
[ 1218.923476][    C3]  ? __pfx_ksys_write+0x10/0x10
[ 1218.923638][    C3]  do_syscall_64+0xc1/0x1d0
[ 1218.923799][    C3]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1218.924003][    C3] RIP: 0033:0x7f105abd4957
[ 1218.924165][    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
[ 1218.924695][    C3] RSP: 002b:00007ffcc4464de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1218.924932][    C3] RAX: ffffffffffffffda RBX: 000055b194d232b0 RCX: 00007f105abd4957
[ 1218.925168][    C3] RDX: 0000000000000001 RSI: 000055b194d232b0 RDI: 0000000000000001
[ 1218.925393][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1218.925617][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055b194d0e5e0
[ 1218.925847][    C3] R13: 000055b194cef2a0 R14: 0000000000000001 R15: 000055b194d0e5e0
[ 1218.926090][    C3]  </TASK>
[ 1218.926214][    C3] handlers:
[ 1218.926332][    C3] [<ffffffff9e52aeb0>] serial8250_interrupt
[ 1218.927064][    C3] Disabling IRQ #4