[  464.901193] irq 4: nobody cared (try booting with the "irqpoll" option)
[  464.901301] CPU: 3 UID: 0 PID: 4463 Comm: perl Not tainted 6.12.0-rc4-virtme #1
[  464.901351] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  464.901417] Call Trace:
[  464.901441]  <IRQ>
[  464.901462]  dump_stack_lvl+0x55/0x70
[  464.901496]  __report_bad_irq+0x2b/0xc0
[  464.901532]  note_interrupt+0x2a7/0x2f0
[  464.901563]  handle_irq_event+0x72/0x80
[  464.901591]  handle_edge_irq+0x8b/0x230
[  464.901616]  __common_interrupt+0x3c/0xb0
[  464.901641]  common_interrupt+0x80/0x90
[  464.901670]  </IRQ>
[  464.901686]  <TASK>
[  464.901699]  asm_common_interrupt+0x26/0x40
[  464.901728] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  464.901773] 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 48 64 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  464.901873] RSP: 0018:ffffbad1c15fbd60 EFLAGS: 00000286
[  464.901909] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  464.901954] RDX: ffffffff9b79c1fd RSI: 0000000000000282 RDI: ffffffff9d10c120
[  464.902013] RBP: ffff907a01df0000 R08: 0000006c51633645 R09: 0000000000000001
[  464.902059] R10: ffff907a01db2df8 R11: 0000000000000000 R12: 0000000000000001
[  464.902105] R13: ffffffff9d10c120 R14: 0000000000000282 R15: ffff907a01db2c00
[  464.902152]  ? rpm_suspend+0x1ad/0x5e0
[  464.902184]  uart_write+0xb2/0x270
[  464.902214]  n_tty_write+0x1a3/0x520
[  464.902251]  ? __pfx_woken_wake_function+0x10/0x10
[  464.902286]  file_tty_write.constprop.0+0x147/0x330
[  464.902318]  vfs_write+0x335/0x470
[  464.902346]  ksys_write+0x63/0xe0
[  464.902373]  do_syscall_64+0x9e/0x1a0
[  464.902399]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.902437] RIP: 0033:0x7f07b97fd957
[  464.902461] 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
[  464.902576] RSP: 002b:00007ffef7c475e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  464.902622] RAX: ffffffffffffffda RBX: 0000557745b560b0 RCX: 00007f07b97fd957
[  464.902668] RDX: 0000000000000001 RSI: 0000557745b560b0 RDI: 0000000000000001
[  464.902713] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  464.902759] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557745b42580
[  464.902804] R13: 0000557745b232a0 R14: 0000000000000001 R15: 0000557745b42580
[  464.902852]  </TASK>
[  464.902877] handlers:
[  464.902895] [<000000001c9f268c>] serial8250_interrupt
[  464.902946] Disabling IRQ #4