[  628.870853] irq 4: nobody cared (try booting with the "irqpoll" option)
[  628.870982] CPU: 3 PID: 8354 Comm: perl Not tainted 6.9.0-virtme #1
[  628.871034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  628.871127] Call Trace:
[  628.871150]  <IRQ>
[  628.871179]  dump_stack_lvl+0x55/0x70
[  628.871222]  __report_bad_irq+0x2b/0xc0
[  628.871258]  note_interrupt+0x2a7/0x2f0
[  628.871294]  handle_irq_event+0x72/0x80
[  628.871331]  handle_edge_irq+0x8b/0x230
[  628.871360]  __common_interrupt+0x3c/0xb0
[  628.871397]  common_interrupt+0x80/0x90
[  628.871435]  </IRQ>
[  628.871455]  <TASK>
[  628.871474]  asm_common_interrupt+0x26/0x40
[  628.871511] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  628.871551] 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 dc a5 ab 42 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  628.871689] RSP: 0018:ffffae72c019fd60 EFLAGS: 00000286
[  628.871737] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  628.871804] RDX: ffffffffbd16f2bd RSI: 0000000000000282 RDI: ffffffffbeae0540
[  628.871864] RBP: ffff8d87c2008000 R08: 000000927e84051c R09: 0000000000000001
[  628.871922] R10: ffff8d87c266a1f8 R11: 0000000000000000 R12: ffffffffbeae0540
[  628.871981] R13: 0000000000000282 R14: ffff8d87c2669c00 R15: ffff8d87c266a000
[  628.872041]  ? rpm_suspend+0x1ad/0x5e0
[  628.872077]  uart_write+0x89/0x160
[  628.872113]  n_tty_write+0x1a6/0x520
[  628.872148]  ? __pfx_woken_wake_function+0x10/0x10
[  628.872195]  file_tty_write.constprop.0+0x14d/0x330
[  628.872242]  vfs_write+0x32f/0x460
[  628.872280]  ksys_write+0x63/0xe0
[  628.872314]  do_syscall_64+0x9e/0x1a0
[  628.872350]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  628.872400] RIP: 0033:0x7f2474b55957
[  628.872436] 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
[  628.872573] RSP: 002b:00007ffff851a908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  628.872641] RAX: ffffffffffffffda RBX: 000055b19c8a4110 RCX: 00007f2474b55957
[  628.872700] RDX: 0000000000000001 RSI: 000055b19c8a4110 RDI: 0000000000000001
[  628.872765] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  628.872825] R10: 0000000000000001 R11: 0000000000000246 R12: 000055b19c890560
[  628.872884] R13: 000055b19c8712a0 R14: 0000000000000001 R15: 000055b19c890560
[  628.872940]  </TASK>
[  628.872958] handlers:
[  628.872978] [<00000000c9c52fe8>] serial8250_interrupt
[  628.873024] Disabling IRQ #4