[  679.580070] irq 4: nobody cared (try booting with the "irqpoll" option)
[  679.580183] CPU: 3 UID: 0 PID: 8220 Comm: perl Not tainted 6.12.0-rc3-virtme #1
[  679.580234] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  679.580305] Call Trace:
[  679.580334]  <IRQ>
[  679.580360]  dump_stack_lvl+0x55/0x70
[  679.580396]  __report_bad_irq+0x2b/0xc0
[  679.580427]  note_interrupt+0x2a7/0x2f0
[  679.580456]  handle_irq_event+0x72/0x80
[  679.580482]  handle_edge_irq+0x8b/0x230
[  679.580507]  __common_interrupt+0x3c/0xb0
[  679.580537]  common_interrupt+0x80/0x90
[  679.580566]  </IRQ>
[  679.580582]  <TASK>
[  679.580595]  asm_common_interrupt+0x26/0x40
[  679.580625] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  679.580667] 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 5b 28 58 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  679.580793] RSP: 0018:ffffbb2dc1463d60 EFLAGS: 00000286
[  679.580830] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  679.580877] RDX: ffffffffa799b26d RSI: 0000000000000282 RDI: ffffffffa930c120
[  679.580923] RBP: ffff9fea41f80000 R08: 0000009e5088659f R09: 0000000000000001
[  679.580970] R10: ffff9fea41e9ddf8 R11: 0000000000000000 R12: 0000000000000001
[  679.581017] R13: ffffffffa930c120 R14: 0000000000000282 R15: ffff9fea41e9dc00
[  679.581064]  ? rpm_suspend+0x1ad/0x5e0
[  679.581098]  uart_write+0xb2/0x270
[  679.581133]  n_tty_write+0x1a3/0x520
[  679.581170]  ? __pfx_woken_wake_function+0x10/0x10
[  679.581207]  file_tty_write.constprop.0+0x147/0x330
[  679.581240]  vfs_write+0x335/0x470
[  679.581273]  ksys_write+0x63/0xe0
[  679.581299]  do_syscall_64+0x9e/0x1a0
[  679.581327]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  679.581364] RIP: 0033:0x7f5b20f70957
[  679.581391] 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
[  679.581493] RSP: 002b:00007ffe426dfe58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  679.581559] RAX: ffffffffffffffda RBX: 0000561b599e80b0 RCX: 00007f5b20f70957
[  679.581603] RDX: 0000000000000001 RSI: 0000561b599e80b0 RDI: 0000000000000001
[  679.581649] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  679.581696] R10: 0000000000000001 R11: 0000000000000246 R12: 0000561b599d4580
[  679.581750] R13: 0000561b599b52a0 R14: 0000000000000001 R15: 0000561b599d4580
[  679.581800]  </TASK>
[  679.581819] handlers:
[  679.581838] [<000000002208476e>] serial8250_interrupt
[  679.581876] Disabling IRQ #4