[  326.994204] irq 4: nobody cared (try booting with the "irqpoll" option)
[  326.994351] CPU: 3 PID: 2062 Comm: perl Not tainted 6.10.0-rc3-virtme #1
[  326.994413] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  326.994513] Call Trace:
[  326.994546]  <IRQ>
[  326.994576]  dump_stack_lvl+0x55/0x70
[  326.994627]  __report_bad_irq+0x2b/0xc0
[  326.994668]  note_interrupt+0x2a7/0x2f0
[  326.994704]  handle_irq_event+0x72/0x80
[  326.994741]  handle_edge_irq+0x8b/0x230
[  326.994777]  __common_interrupt+0x3c/0xb0
[  326.994820]  common_interrupt+0x80/0x90
[  326.994861]  </IRQ>
[  326.994882]  <TASK>
[  326.994901]  asm_common_interrupt+0x26/0x40
[  326.994945] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  326.994997] 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 9c 55 6b 5e <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  326.995140] RSP: 0018:ffffa902c092bd60 EFLAGS: 00000286
[  326.995191] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  326.995258] RDX: ffffffffa1570cfd RSI: 0000000000000282 RDI: ffffffffa2ee4540
[  326.995325] RBP: ffff9b8481ec8000 R08: 0000004c34e649a4 R09: 0000000000000001
[  326.995391] R10: ffff9b8481eea9f8 R11: 0000000000000000 R12: ffffffffa2ee4540
[  326.995456] R13: 0000000000000282 R14: ffff9b8481eeb000 R15: ffff9b8481eea800
[  326.995523]  ? rpm_suspend+0x1ad/0x5e0
[  326.995571]  uart_write+0x89/0x160
[  326.995611]  n_tty_write+0x1a6/0x520
[  326.995648]  ? __pfx_woken_wake_function+0x10/0x10
[  326.995700]  file_tty_write.constprop.0+0x14d/0x330
[  326.995747]  vfs_write+0x32f/0x460
[  326.995784]  ksys_write+0x63/0xe0
[  326.995820]  do_syscall_64+0x9e/0x1a0
[  326.995859]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.995910] RIP: 0033:0x7f5ac54ad957
[  326.995948] 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
[  326.996092] RSP: 002b:00007ffc92e518f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  326.996158] RAX: ffffffffffffffda RBX: 000055e7732c3110 RCX: 00007f5ac54ad957
[  326.996224] RDX: 0000000000000001 RSI: 000055e7732c3110 RDI: 0000000000000001
[  326.996291] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  326.996354] R10: 0000000000000001 R11: 0000000000000246 R12: 000055e7732af560
[  326.996419] R13: 000055e7732902a0 R14: 0000000000000001 R15: 000055e7732af560
[  326.996486]  </TASK>
[  326.996511] handlers:
[  326.996531] [<00000000b75cdfc8>] serial8250_interrupt
[  326.996583] Disabling IRQ #4