[  563.869952] irq 4: nobody cared (try booting with the "irqpoll" option)
[  563.870057] CPU: 3 UID: 0 PID: 10999 Comm: perl Not tainted 6.11.0-rc3-virtme #1
[  563.870107] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  563.870185] Call Trace:
[  563.870209]  <IRQ>
[  563.870235]  dump_stack_lvl+0x55/0x70
[  563.870270]  __report_bad_irq+0x2b/0xc0
[  563.870299]  note_interrupt+0x2a7/0x2f0
[  563.870324]  handle_irq_event+0x72/0x80
[  563.870352]  handle_edge_irq+0x8b/0x230
[  563.870379]  __common_interrupt+0x3c/0xb0
[  563.870405]  common_interrupt+0x80/0x90
[  563.870434]  </IRQ>
[  563.870450]  <TASK>
[  563.870464]  asm_common_interrupt+0x26/0x40
[  563.870493] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  563.870528] 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 69 55 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  563.870627] RSP: 0018:ffffb0904035fd60 EFLAGS: 00000286
[  563.870660] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  563.870706] RDX: ffffffffaa586ded RSI: 0000000000000286 RDI: ffffffffabef8560
[  563.870752] RBP: ffff90de41ec8000 R08: 000000835aa5f3cf R09: 0000000000000001
[  563.870798] R10: ffff90de425b11f8 R11: 0000000000000000 R12: ffffffffabef8560
[  563.870844] R13: 0000000000000286 R14: ffff90de425b0c00 R15: ffff90de425b1000
[  563.870891]  ? rpm_suspend+0x1ad/0x5e0
[  563.870919]  uart_write+0x89/0x150
[  563.870950]  n_tty_write+0x1a6/0x520
[  563.870978]  ? __pfx_woken_wake_function+0x10/0x10
[  563.871013]  file_tty_write.constprop.0+0x14d/0x330
[  563.871046]  vfs_write+0x332/0x460
[  563.871074]  ksys_write+0x63/0xe0
[  563.871099]  do_syscall_64+0x9e/0x1a0
[  563.871124]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  563.871162] RIP: 0033:0x7fc1d9d32957
[  563.871187] 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
[  563.871293] RSP: 002b:00007ffef6927528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  563.871340] RAX: ffffffffffffffda RBX: 00005621d584c1f0 RCX: 00007fc1d9d32957
[  563.871386] RDX: 0000000000000001 RSI: 00005621d584c1f0 RDI: 0000000000000001
[  563.871437] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  563.871477] R10: 0000000000000001 R11: 0000000000000246 R12: 00005621d5838580
[  563.871530] R13: 00005621d58192a0 R14: 0000000000000001 R15: 00005621d5838580
[  563.871582]  </TASK>
[  563.871601] handlers:
[  563.871614] [<0000000068021be7>] serial8250_interrupt
[  563.871652] Disabling IRQ #4