[  334.634058] irq 4: nobody cared (try booting with the "irqpoll" option)
[  334.634207] CPU: 3 UID: 0 PID: 3043 Comm: perl Not tainted 6.11.0-rc3-virtme #1
[  334.634285] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  334.634392] Call Trace:
[  334.634424]  <IRQ>
[  334.634455]  dump_stack_lvl+0x55/0x70
[  334.634507]  __report_bad_irq+0x2b/0xc0
[  334.634547]  note_interrupt+0x2a7/0x2f0
[  334.634583]  handle_irq_event+0x72/0x80
[  334.634623]  handle_edge_irq+0x8b/0x230
[  334.634660]  __common_interrupt+0x3c/0xb0
[  334.634704]  common_interrupt+0x80/0x90
[  334.634747]  </IRQ>
[  334.634774]  <TASK>
[  334.634797]  asm_common_interrupt+0x26/0x40
[  334.634842] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  334.634898] 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 cc c8 89 7b <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  334.635051] RSP: 0018:ffffaf24c22ebd60 EFLAGS: 00000286
[  334.635100] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  334.635172] RDX: ffffffff84386ded RSI: 0000000000000286 RDI: ffffffff85cf8560
[  334.635239] RBP: ffff98bc01f84000 R08: 0000004dfce8c5fe R09: 0000000000000001
[  334.635305] R10: ffff98bc0128c9f8 R11: 0000000000000000 R12: ffffffff85cf8560
[  334.635369] R13: 0000000000000286 R14: ffff98bc0128ec00 R15: ffff98bc0128c800
[  334.635441]  ? rpm_suspend+0x1ad/0x5e0
[  334.635487]  uart_write+0x89/0x150
[  334.635532]  n_tty_write+0x1a6/0x520
[  334.635575]  ? __pfx_woken_wake_function+0x10/0x10
[  334.635635]  file_tty_write.constprop.0+0x14d/0x330
[  334.635692]  vfs_write+0x332/0x460
[  334.635735]  ksys_write+0x63/0xe0
[  334.635777]  do_syscall_64+0x9e/0x1a0
[  334.635819]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  334.635880] RIP: 0033:0x7f98666b9957
[  334.635919] 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
[  334.636089] RSP: 002b:00007ffd016568c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  334.636162] RAX: ffffffffffffffda RBX: 00005614dc6341f0 RCX: 00007f98666b9957
[  334.636232] RDX: 0000000000000001 RSI: 00005614dc6341f0 RDI: 0000000000000001
[  334.636297] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  334.636364] R10: 0000000000000001 R11: 0000000000000246 R12: 00005614dc620580
[  334.636436] R13: 00005614dc6012a0 R14: 0000000000000001 R15: 00005614dc620580
[  334.636514]  </TASK>
[  334.636542] handlers:
[  334.636565] [<000000001f545a22>] serial8250_interrupt
[  334.636620] Disabling IRQ #4