[  681.794206] irq 4: nobody cared (try booting with the "irqpoll" option)
[  681.794317] CPU: 3 UID: 0 PID: 25041 Comm: perl Not tainted 6.12.0-rc5-virtme #1
[  681.794379] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  681.794453] Call Trace:
[  681.794477]  <IRQ>
[  681.794500]  dump_stack_lvl+0x55/0x70
[  681.794534]  __report_bad_irq+0x2b/0xc0
[  681.794564]  note_interrupt+0x2a7/0x2f0
[  681.794590]  handle_irq_event+0x72/0x80
[  681.794621]  handle_edge_irq+0x8b/0x230
[  681.794653]  __common_interrupt+0x3c/0xb0
[  681.794687]  common_interrupt+0x80/0x90
[  681.794717]  </IRQ>
[  681.794736]  <TASK>
[  681.794756]  asm_common_interrupt+0x26/0x40
[  681.794796] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  681.794831] 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 48 88 5f <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  681.794925] RSP: 0018:ffffa4bb006b3d60 EFLAGS: 00000286
[  681.794959] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  681.795002] RDX: ffffffffa039c1cd RSI: 0000000000000282 RDI: ffffffffa1d0c120
[  681.795046] RBP: ffff8a9b41da0000 R08: 0000009ed1c095f5 R09: 0000000000000001
[  681.795097] R10: ffff8a9b412925f8 R11: 0000000000000000 R12: 0000000000000001
[  681.795141] R13: ffffffffa1d0c120 R14: 0000000000000282 R15: ffff8a9b41292400
[  681.795185]  ? rpm_suspend+0x1ad/0x5e0
[  681.795217]  uart_write+0xb2/0x270
[  681.795247]  n_tty_write+0x1a3/0x520
[  681.795275]  ? __pfx_woken_wake_function+0x10/0x10
[  681.795307]  file_tty_write.constprop.0+0x147/0x330
[  681.795338]  vfs_write+0x33f/0x480
[  681.795369]  ksys_write+0x63/0xe0
[  681.795397]  do_syscall_64+0x9e/0x1a0
[  681.795431]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  681.795475] RIP: 0033:0x7f45d5446957
[  681.795506] 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
[  681.795601] RSP: 002b:00007ffe3db39af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  681.795644] RAX: ffffffffffffffda RBX: 00005574124c50b0 RCX: 00007f45d5446957
[  681.795688] RDX: 0000000000000001 RSI: 00005574124c50b0 RDI: 0000000000000001
[  681.795731] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  681.795778] R10: 0000000000000001 R11: 0000000000000246 R12: 00005574124b1580
[  681.795835] R13: 00005574124922a0 R14: 0000000000000001 R15: 00005574124b1580
[  681.795885]  </TASK>
[  681.795902] handlers:
[  681.795914] [<00000000d950b1be>] serial8250_interrupt
[  681.795956] Disabling IRQ #4