[  469.266789] irq 4: nobody cared (try booting with the "irqpoll" option)
[  469.266903] CPU: 3 UID: 0 PID: 19595 Comm: perl Not tainted 6.12.0-rc5-virtme #1
[  469.267020] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  469.267102] Call Trace:
[  469.267127]  <IRQ>
[  469.267148]  dump_stack_lvl+0x55/0x70
[  469.267212]  __report_bad_irq+0x2b/0xc0
[  469.267246]  note_interrupt+0x2a7/0x2f0
[  469.267272]  handle_irq_event+0x72/0x80
[  469.267296]  handle_edge_irq+0x8b/0x230
[  469.267322]  __common_interrupt+0x3c/0xb0
[  469.267354]  common_interrupt+0x80/0x90
[  469.267386]  </IRQ>
[  469.267402]  <TASK>
[  469.267415]  asm_common_interrupt+0x26/0x40
[  469.267445] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  469.267480] 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 4a e8 78 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  469.267572] RSP: 0018:ffffb97bc051bd60 EFLAGS: 00000286
[  469.267605] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  469.267650] RDX: ffffffff86d9c10d RSI: 0000000000000282 RDI: ffffffff8870c120
[  469.267695] RBP: ffffa07a82038000 R08: 0000006d559c869b R09: 0000000000000001
[  469.267737] R10: ffffa07a8296d5f8 R11: 0000000000000000 R12: 0000000000000001
[  469.267781] R13: ffffffff8870c120 R14: 0000000000000282 R15: ffffa07a8296d400
[  469.267827]  ? rpm_suspend+0x1ad/0x5e0
[  469.267856]  uart_write+0xb2/0x270
[  469.267888]  n_tty_write+0x1a3/0x520
[  469.267917]  ? __pfx_woken_wake_function+0x10/0x10
[  469.267947]  file_tty_write.constprop.0+0x147/0x330
[  469.267979]  vfs_write+0x33f/0x480
[  469.268009]  ksys_write+0x63/0xe0
[  469.268036]  do_syscall_64+0x9e/0x1a0
[  469.268060]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  469.268094] RIP: 0033:0x7fefbe098957
[  469.268119] 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
[  469.268213] RSP: 002b:00007ffe66e54848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  469.268256] RAX: ffffffffffffffda RBX: 0000563af1f410b0 RCX: 00007fefbe098957
[  469.268300] RDX: 0000000000000001 RSI: 0000563af1f410b0 RDI: 0000000000000001
[  469.268344] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  469.268388] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563af1f2d580
[  469.268431] R13: 0000563af1f0e2a0 R14: 0000000000000001 R15: 0000563af1f2d580
[  469.268476]  </TASK>
[  469.268494] handlers:
[  469.268511] [<0000000060e592d4>] serial8250_interrupt
[  469.268547] Disabling IRQ #4