[  699.994465] irq 4: nobody cared (try booting with the "irqpoll" option)
[  699.994585] CPU: 3 UID: 0 PID: 10975 Comm: perl Not tainted 6.12.0-rc1-virtme #1
[  699.994633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  699.994698] Call Trace:
[  699.994721]  <IRQ>
[  699.994745]  dump_stack_lvl+0x55/0x70
[  699.994796]  __report_bad_irq+0x2b/0xc0
[  699.994827]  note_interrupt+0x2a7/0x2f0
[  699.994853]  handle_irq_event+0x72/0x80
[  699.994879]  handle_edge_irq+0x8b/0x230
[  699.994904]  __common_interrupt+0x3c/0xb0
[  699.994930]  common_interrupt+0x80/0x90
[  699.994957]  </IRQ>
[  699.994977]  <TASK>
[  699.994995]  asm_common_interrupt+0x26/0x40
[  699.995024] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  699.995058] 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 0c 9b 08 7c <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  699.995155] RSP: 0018:ffffb032424dbd60 EFLAGS: 00000286
[  699.995190] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  699.995235] RDX: ffffffff83b9afad RSI: 0000000000000282 RDI: ffffffff85509120
[  699.995280] RBP: ffff893801d6c000 R08: 000000a30e46c8ba R09: 0000000000000001
[  699.995325] R10: ffff8938024495f8 R11: 0000000000000000 R12: 0000000000000001
[  699.995370] R13: ffffffff85509120 R14: 0000000000000282 R15: ffff893802449400
[  699.995416]  ? rpm_suspend+0x1ad/0x5e0
[  699.995445]  uart_write+0xb2/0x270
[  699.995477]  n_tty_write+0x1a3/0x520
[  699.995504]  ? __pfx_woken_wake_function+0x10/0x10
[  699.995536]  file_tty_write.constprop.0+0x147/0x330
[  699.995568]  vfs_write+0x335/0x470
[  699.995600]  ksys_write+0x63/0xe0
[  699.995626]  do_syscall_64+0x9e/0x1a0
[  699.995651]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  699.995684] RIP: 0033:0x7f4cea394957
[  699.995708] 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
[  699.995806] RSP: 002b:00007ffd6f5743c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  699.995850] RAX: ffffffffffffffda RBX: 000055e2d9c600b0 RCX: 00007f4cea394957
[  699.995896] RDX: 0000000000000001 RSI: 000055e2d9c600b0 RDI: 0000000000000001
[  699.995940] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  699.995990] R10: 0000000000000001 R11: 0000000000000246 R12: 000055e2d9c4c580
[  699.996033] R13: 000055e2d9c2d2a0 R14: 0000000000000001 R15: 000055e2d9c4c580
[  699.996079]  </TASK>
[  699.996097] handlers:
[  699.996116] [<00000000f263d2bc>] serial8250_interrupt
[  699.996153] Disabling IRQ #4