[  419.187882] irq 4: nobody cared (try booting with the "irqpoll" option)
[  419.188015] CPU: 3 UID: 0 PID: 4492 Comm: perl Not tainted 6.12.0-rc5-virtme #1
[  419.188063] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  419.188131] Call Trace:
[  419.188161]  <IRQ>
[  419.188187]  dump_stack_lvl+0x55/0x70
[  419.188232]  __report_bad_irq+0x2b/0xc0
[  419.188264]  note_interrupt+0x2a7/0x2f0
[  419.188298]  handle_irq_event+0x72/0x80
[  419.188328]  handle_edge_irq+0x8b/0x230
[  419.188354]  __common_interrupt+0x3c/0xb0
[  419.188384]  common_interrupt+0x80/0x90
[  419.188417]  </IRQ>
[  419.188434]  <TASK>
[  419.188453]  asm_common_interrupt+0x26/0x40
[  419.188483] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  419.188519] 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 c8 65 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  419.188638] RSP: 0018:ffffac83016abd60 EFLAGS: 00000286
[  419.188675] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  419.188726] RDX: ffffffff99f9c1cd RSI: 0000000000000282 RDI: ffffffff9b90c120
[  419.188771] RBP: ffff9b8301de0000 R08: 00000061ad0ecff0 R09: 0000000000000001
[  419.188816] R10: ffff9b8302375df8 R11: 0000000000000000 R12: 0000000000000001
[  419.188861] R13: ffffffff9b90c120 R14: 0000000000000282 R15: ffff9b8302375c00
[  419.188907]  ? rpm_suspend+0x1ad/0x5e0
[  419.188939]  uart_write+0xb2/0x270
[  419.188972]  n_tty_write+0x1a3/0x520
[  419.189001]  ? __pfx_woken_wake_function+0x10/0x10
[  419.189035]  file_tty_write.constprop.0+0x147/0x330
[  419.189068]  vfs_write+0x33f/0x480
[  419.189099]  ksys_write+0x63/0xe0
[  419.189128]  do_syscall_64+0x9e/0x1a0
[  419.189160]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  419.189205] RIP: 0033:0x7f9f531f1957
[  419.189230] 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
[  419.189328] RSP: 002b:00007ffd6835aae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  419.189372] RAX: ffffffffffffffda RBX: 0000561155ccf0b0 RCX: 00007f9f531f1957
[  419.189417] RDX: 0000000000000001 RSI: 0000561155ccf0b0 RDI: 0000000000000001
[  419.189463] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  419.189517] R10: 0000000000000001 R11: 0000000000000246 R12: 0000561155cbb580
[  419.189559] R13: 0000561155c9c2a0 R14: 0000000000000001 R15: 0000561155cbb580
[  419.189616]  </TASK>
[  419.189637] handlers:
[  419.189656] [<000000000119269a>] serial8250_interrupt
[  419.189694] Disabling IRQ #4