[  494.991956] irq 4: nobody cared (try booting with the "irqpoll" option)
[  494.992103] CPU: 3 UID: 0 PID: 19604 Comm: perl Not tainted 6.12.0-rc2-virtme #1
[  494.992161] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  494.992238] Call Trace:
[  494.992266]  <IRQ>
[  494.992299]  dump_stack_lvl+0x55/0x70
[  494.992340]  __report_bad_irq+0x2b/0xc0
[  494.992383]  note_interrupt+0x2a7/0x2f0
[  494.992420]  handle_irq_event+0x72/0x80
[  494.992449]  handle_edge_irq+0x8b/0x230
[  494.992478]  __common_interrupt+0x3c/0xb0
[  494.992514]  common_interrupt+0x80/0x90
[  494.992544]  </IRQ>
[  494.992565]  <TASK>
[  494.992587]  asm_common_interrupt+0x26/0x40
[  494.992618] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  494.992660] 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 7b 88 66 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  494.992776] RSP: 0018:ffffaa0f80f03d60 EFLAGS: 00000286
[  494.992818] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  494.992875] RDX: ffffffff9939b93d RSI: 0000000000000282 RDI: ffffffff9ad09120
[  494.992931] RBP: ffff9da701de4000 R08: 0000007354cad188 R09: 0000000000000001
[  494.992992] R10: ffff9da701ef09f8 R11: 0000000000000000 R12: 0000000000000001
[  494.993043] R13: ffffffff9ad09120 R14: 0000000000000282 R15: ffff9da701ef0800
[  494.993106]  ? rpm_suspend+0x1ad/0x5e0
[  494.993142]  uart_write+0xb2/0x270
[  494.993176]  n_tty_write+0x1a3/0x520
[  494.993209]  ? __pfx_woken_wake_function+0x10/0x10
[  494.993249]  file_tty_write.constprop.0+0x147/0x330
[  494.993287]  vfs_write+0x335/0x470
[  494.993322]  ksys_write+0x63/0xe0
[  494.993351]  do_syscall_64+0x9e/0x1a0
[  494.993458]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  494.993503] RIP: 0033:0x7ff389315957
[  494.993544] 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
[  494.993669] RSP: 002b:00007ffeeb2212e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  494.993723] RAX: ffffffffffffffda RBX: 000055b3100150b0 RCX: 00007ff389315957
[  494.993775] RDX: 0000000000000001 RSI: 000055b3100150b0 RDI: 0000000000000001
[  494.993837] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  494.993889] R10: 0000000000000001 R11: 0000000000000246 R12: 000055b310001580
[  494.993941] R13: 000055b30ffe22a0 R14: 0000000000000001 R15: 000055b310001580
[  494.993994]  </TASK>
[  494.994022] handlers:
[  494.994040] [<000000008e68cc6e>] serial8250_interrupt
[  494.994097] Disabling IRQ #4