[  694.405473] irq 4: nobody cared (try booting with the "irqpoll" option)
[  694.405623] CPU: 3 UID: 0 PID: 22590 Comm: perl Not tainted 6.12.0-rc4-virtme #1
[  694.405709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  694.405816] Call Trace:
[  694.405853]  <IRQ>
[  694.405888]  dump_stack_lvl+0x55/0x70
[  694.405941]  __report_bad_irq+0x2b/0xc0
[  694.405990]  note_interrupt+0x2a7/0x2f0
[  694.406030]  handle_irq_event+0x72/0x80
[  694.406076]  handle_edge_irq+0x8b/0x230
[  694.406115]  __common_interrupt+0x3c/0xb0
[  694.406158]  common_interrupt+0x80/0x90
[  694.406204]  </IRQ>
[  694.406231]  <TASK>
[  694.406255]  asm_common_interrupt+0x26/0x40
[  694.406302] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  694.406359] 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 7c 5a 68 45 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  694.406526] RSP: 0018:ffffaa1bc1073d60 EFLAGS: 00000286
[  694.406580] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  694.406658] RDX: ffffffffba59c1fd RSI: 0000000000000282 RDI: ffffffffbbf0c120
[  694.406736] RBP: ffff9ef7c1f7c000 R08: 000000a1c2b646cc R09: 0000000000000001
[  694.406812] R10: ffff9ef7c25031f8 R11: 0000000000000000 R12: 0000000000000001
[  694.406879] R13: ffffffffbbf0c120 R14: 0000000000000282 R15: ffff9ef7c2503000
[  694.406948]  ? rpm_suspend+0x1ad/0x5e0
[  694.406992]  uart_write+0xb2/0x270
[  694.407038]  n_tty_write+0x1a3/0x520
[  694.407083]  ? __pfx_woken_wake_function+0x10/0x10
[  694.407139]  file_tty_write.constprop.0+0x147/0x330
[  694.407191]  vfs_write+0x335/0x470
[  694.407241]  ksys_write+0x63/0xe0
[  694.407280]  do_syscall_64+0x9e/0x1a0
[  694.407322]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  694.407382] RIP: 0033:0x7f225a0ee957
[  694.407423] 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
[  694.407591] RSP: 002b:00007ffdd783c728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  694.407669] RAX: ffffffffffffffda RBX: 000055fcf0cc40b0 RCX: 00007f225a0ee957
[  694.407739] RDX: 0000000000000001 RSI: 000055fcf0cc40b0 RDI: 0000000000000001
[  694.407816] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  694.407885] R10: 0000000000000001 R11: 0000000000000246 R12: 000055fcf0cb0580
[  694.407954] R13: 000055fcf0c912a0 R14: 0000000000000001 R15: 000055fcf0cb0580
[  694.408025]  </TASK>
[  694.408054] handlers:
[  694.408077] [<00000000f48cd21e>] serial8250_interrupt
[  694.408131] Disabling IRQ #4