[  420.974579] irq 4: nobody cared (try booting with the "irqpoll" option)
[  420.974701] CPU: 3 PID: 2663 Comm: perl Not tainted 6.10.0-virtme #1
[  420.974757] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  420.974849] Call Trace:
[  420.974875]  <IRQ>
[  420.974902]  dump_stack_lvl+0x55/0x70
[  420.974945]  __report_bad_irq+0x2b/0xc0
[  420.974983]  note_interrupt+0x2a7/0x2f0
[  420.975013]  handle_irq_event+0x72/0x80
[  420.975046]  handle_edge_irq+0x8b/0x230
[  420.975080]  __common_interrupt+0x3c/0xb0
[  420.975114]  common_interrupt+0x80/0x90
[  420.975156]  </IRQ>
[  420.975177]  <TASK>
[  420.975194]  asm_common_interrupt+0x26/0x40
[  420.975232] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  420.975278] 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 3c a6 2a 4c <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  420.975409] RSP: 0018:ffffabb8c0d93d60 EFLAGS: 00000286
[  420.975456] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  420.975510] RDX: ffffffffb397601d RSI: 0000000000000282 RDI: ffffffffb52ee340
[  420.975564] RBP: ffff9a9041f08000 R08: 0000006216ac370b R09: 0000000000000001
[  420.975616] R10: ffff9a904281d5f8 R11: 0000000000000000 R12: ffffffffb52ee340
[  420.975670] R13: 0000000000000282 R14: ffff9a904281d800 R15: ffff9a904281d400
[  420.975721]  ? rpm_suspend+0x1ad/0x5e0
[  420.975756]  uart_write+0x89/0x150
[  420.975796]  n_tty_write+0x1a6/0x520
[  420.975831]  ? __pfx_woken_wake_function+0x10/0x10
[  420.975877]  file_tty_write.constprop.0+0x14d/0x330
[  420.975920]  vfs_write+0x332/0x460
[  420.975956]  ksys_write+0x63/0xe0
[  420.975986]  do_syscall_64+0x9e/0x1a0
[  420.976021]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  420.976061] RIP: 0033:0x7fc91f638957
[  420.976092] 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
[  420.976221] RSP: 002b:00007ffc79841868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  420.976284] RAX: ffffffffffffffda RBX: 0000555b66a32fd0 RCX: 00007fc91f638957
[  420.976340] RDX: 0000000000000001 RSI: 0000555b66a32fd0 RDI: 0000000000000001
[  420.976397] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  420.976453] R10: 0000000000000001 R11: 0000000000000246 R12: 0000555b66a1f560
[  420.976509] R13: 0000555b66a002a0 R14: 0000000000000001 R15: 0000555b66a1f560
[  420.976567]  </TASK>
[  420.976585] handlers:
[  420.976604] [<00000000536f5101>] serial8250_interrupt
[  420.976653] Disabling IRQ #4