[  496.497567] irq 4: nobody cared (try booting with the "irqpoll" option)
[  496.497673] CPU: 3 UID: 0 PID: 19501 Comm: perl Not tainted 6.12.0-rc4-virtme #1
[  496.497723] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  496.497790] Call Trace:
[  496.497814]  <IRQ>
[  496.497838]  dump_stack_lvl+0x55/0x70
[  496.497875]  __report_bad_irq+0x2b/0xc0
[  496.497905]  note_interrupt+0x2a7/0x2f0
[  496.497930]  handle_irq_event+0x72/0x80
[  496.497955]  handle_edge_irq+0x8b/0x230
[  496.497981]  __common_interrupt+0x3c/0xb0
[  496.498010]  common_interrupt+0x80/0x90
[  496.498039]  </IRQ>
[  496.498059]  <TASK>
[  496.498073]  asm_common_interrupt+0x26/0x40
[  496.498102] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  496.498137] 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 28 4d <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  496.498234] RSP: 0018:ffffb54f007dbd60 EFLAGS: 00000286
[  496.498268] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  496.498314] RDX: ffffffffb299ba3d RSI: 0000000000000282 RDI: ffffffffb430c120
[  496.498359] RBP: ffff8f13c1e3c000 R08: 00000073a5cb0350 R09: 0000000000000001
[  496.498405] R10: ffff8f13c1f469f8 R11: 0000000000000000 R12: 0000000000000001
[  496.498450] R13: ffffffffb430c120 R14: 0000000000000282 R15: ffff8f13c1f46800
[  496.498497]  ? rpm_suspend+0x1ad/0x5e0
[  496.498524]  uart_write+0xb2/0x270
[  496.498555]  n_tty_write+0x1a3/0x520
[  496.498582]  ? __pfx_woken_wake_function+0x10/0x10
[  496.498615]  file_tty_write.constprop.0+0x147/0x330
[  496.498647]  vfs_write+0x335/0x470
[  496.498678]  ksys_write+0x63/0xe0
[  496.498704]  do_syscall_64+0x9e/0x1a0
[  496.498731]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  496.498767] RIP: 0033:0x7f41ea3d6957
[  496.498795] 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
[  496.498893] RSP: 002b:00007ffea0b43df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  496.498938] RAX: ffffffffffffffda RBX: 0000561cfbbd91f0 RCX: 00007f41ea3d6957
[  496.498983] RDX: 0000000000000001 RSI: 0000561cfbbd91f0 RDI: 0000000000000001
[  496.499028] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  496.499075] R10: 0000000000000001 R11: 0000000000000246 R12: 0000561cfbbc5580
[  496.499120] R13: 0000561cfbba62a0 R14: 0000000000000001 R15: 0000561cfbbc5580
[  496.499168]  </TASK>
[  496.499185] handlers:
[  496.499204] [<00000000a1499a64>] serial8250_interrupt
[  496.499244] Disabling IRQ #4