[  512.338796] Mirror/redirect action on
[  523.163570] irq 4: nobody cared (try booting with the "irqpoll" option)
[  523.163678] CPU: 3 UID: 0 PID: 18884 Comm: perl Not tainted 6.12.0-rc5-virtme #1
[  523.163738] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  523.163804] Call Trace:
[  523.163828]  <IRQ>
[  523.163850]  dump_stack_lvl+0x55/0x70
[  523.163887]  __report_bad_irq+0x2b/0xc0
[  523.163919]  note_interrupt+0x2a7/0x2f0
[  523.163943]  handle_irq_event+0x72/0x80
[  523.163971]  handle_edge_irq+0x8b/0x230
[  523.164005]  __common_interrupt+0x3c/0xb0
[  523.164035]  common_interrupt+0x80/0x90
[  523.164066]  </IRQ>
[  523.164082]  <TASK>
[  523.164101]  asm_common_interrupt+0x26/0x40
[  523.164131] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  523.164167] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d 1c 3a e8 79 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  523.164298] RSP: 0018:ffffc12500a0bd60 EFLAGS: 00000286
[  523.164331] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  523.164386] RDX: ffffffff85d9c1cd RSI: 0000000000000282 RDI: ffffffff8770c120
[  523.164432] RBP: ffff9fe081c20000 R08: 00000079e0a50aa7 R09: 0000000000000001
[  523.164478] R10: ffff9fe081e4fdf8 R11: 0000000000000000 R12: 0000000000000001
[  523.164528] R13: ffffffff8770c120 R14: 0000000000000282 R15: ffff9fe081e4fc00
[  523.164586]  ? rpm_suspend+0x1ad/0x5e0
[  523.164628]  uart_write+0xb2/0x270
[  523.164668]  n_tty_write+0x1a3/0x520
[  523.164706]  ? __pfx_woken_wake_function+0x10/0x10
[  523.164750]  file_tty_write.constprop.0+0x147/0x330
[  523.164794]  vfs_write+0x33f/0x480
[  523.164825]  ksys_write+0x63/0xe0
[  523.164852]  do_syscall_64+0x9e/0x1a0
[  523.164878]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  523.164912] RIP: 0033:0x7f23b69cc957
[  523.164936] 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
[  523.165034] RSP: 002b:00007ffee54ac668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  523.165083] RAX: ffffffffffffffda RBX: 000055f22991b0b0 RCX: 00007f23b69cc957
[  523.165142] RDX: 0000000000000001 RSI: 000055f22991b0b0 RDI: 0000000000000001
[  523.165202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  523.165261] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f229907580
[  523.165323] R13: 000055f2298e82a0 R14: 0000000000000001 R15: 000055f229907580
[  523.165380]  </TASK>
[  523.165406] handlers:
[  523.165424] [<00000000d7b070fe>] serial8250_interrupt
[  523.165469] Disabling IRQ #4