[  628.065492] irq 4: nobody cared (try booting with the "irqpoll" option)
[  628.065626] CPU: 3 PID: 13413 Comm: perl Not tainted 6.10.0-rc1-virtme #1
[  628.065681] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  628.065775] Call Trace:
[  628.065804]  <IRQ>
[  628.065832]  dump_stack_lvl+0x55/0x70
[  628.065873]  __report_bad_irq+0x2b/0xc0
[  628.065911]  note_interrupt+0x2a7/0x2f0
[  628.065946]  handle_irq_event+0x72/0x80
[  628.065980]  handle_edge_irq+0x8b/0x230
[  628.066016]  __common_interrupt+0x3c/0xb0
[  628.066051]  common_interrupt+0x80/0x90
[  628.066089]  </IRQ>
[  628.066113]  <TASK>
[  628.066134]  asm_common_interrupt+0x26/0x40
[  628.066174] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  628.066223] 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 95 0b 62 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  628.066368] RSP: 0018:ffffa6f5c127bd60 EFLAGS: 00000286
[  628.066412] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  628.066471] RDX: ffffffff9db6fd9d RSI: 0000000000000282 RDI: ffffffff9f4e2540
[  628.066528] RBP: ffff8f3a41ec4000 R08: 000000924cdf077e R09: 0000000000000001
[  628.066588] R10: ffff8f3a412931f8 R11: 0000000000000000 R12: ffffffff9f4e2540
[  628.066647] R13: 0000000000000282 R14: ffff8f3a41291c00 R15: ffff8f3a41293000
[  628.066707]  ? rpm_suspend+0x1ad/0x5e0
[  628.066747]  uart_write+0x89/0x160
[  628.066787]  n_tty_write+0x1a6/0x520
[  628.066823]  ? __pfx_woken_wake_function+0x10/0x10
[  628.066867]  file_tty_write.constprop.0+0x14d/0x330
[  628.066914]  vfs_write+0x32f/0x460
[  628.066952]  ksys_write+0x63/0xe0
[  628.066989]  do_syscall_64+0x9e/0x1a0
[  628.067026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  628.067071] RIP: 0033:0x7f59507ed957
[  628.067104] 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
[  628.067241] RSP: 002b:00007fff3c3cae78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  628.067304] RAX: ffffffffffffffda RBX: 0000562dfd29e110 RCX: 00007f59507ed957
[  628.067367] RDX: 0000000000000001 RSI: 0000562dfd29e110 RDI: 0000000000000001
[  628.067412] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  628.067457] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562dfd28a560
[  628.067502] R13: 0000562dfd26b2a0 R14: 0000000000000001 R15: 0000562dfd28a560
[  628.067548]  </TASK>
[  628.067565] handlers:
[  628.067584] [<00000000c51a2b71>] serial8250_interrupt
[  628.067624] Disabling IRQ #4