[  327.446236] irq 4: nobody cared (try booting with the "irqpoll" option)
[  327.446361] CPU: 3 PID: 2062 Comm: perl Not tainted 6.10.0-rc3-virtme #1
[  327.446421] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  327.446521] Call Trace:
[  327.446547]  <IRQ>
[  327.446573]  dump_stack_lvl+0x55/0x70
[  327.446617]  __report_bad_irq+0x2b/0xc0
[  327.446657]  note_interrupt+0x2a7/0x2f0
[  327.446686]  handle_irq_event+0x72/0x80
[  327.446714]  handle_edge_irq+0x8b/0x230
[  327.446747]  __common_interrupt+0x3c/0xb0
[  327.446785]  common_interrupt+0x80/0x90
[  327.446826]  </IRQ>
[  327.446844]  <TASK>
[  327.446864]  asm_common_interrupt+0x26/0x40
[  327.446898] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  327.446944] 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 9c 45 4b 7c <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  327.447076] RSP: 0018:ffffa9a1c097bd60 EFLAGS: 00000286
[  327.447117] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  327.447173] RDX: ffffffff8377077d RSI: 0000000000000282 RDI: ffffffff850e4540
[  327.447228] RBP: ffff8c57c1d58000 R08: 0000004c50b70396 R09: 0000000000000001
[  327.447291] R10: ffff8c57c12939f8 R11: 0000000000000000 R12: ffffffff850e4540
[  327.447347] R13: 0000000000000282 R14: ffff8c57c1293c00 R15: ffff8c57c1293800
[  327.447402]  ? rpm_suspend+0x1ad/0x5e0
[  327.447439]  uart_write+0x89/0x160
[  327.447477]  n_tty_write+0x1a6/0x520
[  327.447522]  ? __pfx_woken_wake_function+0x10/0x10
[  327.447568]  file_tty_write.constprop.0+0x14d/0x330
[  327.447609]  vfs_write+0x32f/0x460
[  327.447653]  ksys_write+0x63/0xe0
[  327.447683]  do_syscall_64+0x9e/0x1a0
[  327.447719]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.447772] RIP: 0033:0x7f73e9eee957
[  327.447803] 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
[  327.447940] RSP: 002b:00007ffd5aaafb78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  327.448009] RAX: ffffffffffffffda RBX: 000055ff1630efd0 RCX: 00007f73e9eee957
[  327.448078] RDX: 0000000000000001 RSI: 000055ff1630efd0 RDI: 0000000000000001
[  327.448153] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  327.448220] R10: 0000000000000001 R11: 0000000000000246 R12: 000055ff162fb560
[  327.448290] R13: 000055ff162dc2a0 R14: 0000000000000001 R15: 000055ff162fb560
[  327.448357]  </TASK>
[  327.448385] handlers:
[  327.448407] [<000000003e495410>] serial8250_interrupt
[  327.448452] Disabling IRQ #4