[  424.506879] irq 4: nobody cared (try booting with the "irqpoll" option)
[  424.506993] CPU: 3 UID: 0 PID: 3894 Comm: perl Not tainted 6.11.0-rc6-virtme #1
[  424.507053] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  424.507119] Call Trace:
[  424.507146]  <IRQ>
[  424.507169]  dump_stack_lvl+0x55/0x70
[  424.507207]  __report_bad_irq+0x2b/0xc0
[  424.507239]  note_interrupt+0x2a7/0x2f0
[  424.507282]  handle_irq_event+0x72/0x80
[  424.507319]  handle_edge_irq+0x8b/0x230
[  424.507346]  __common_interrupt+0x3c/0xb0
[  424.507387]  common_interrupt+0x80/0x90
[  424.507426]  </IRQ>
[  424.507446]  <TASK>
[  424.507467]  asm_common_interrupt+0x26/0x40
[  424.507499] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  424.507537] 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 3c b7 a9 4e <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  424.507665] RSP: 0018:ffffb3724150bd60 EFLAGS: 00000286
[  424.507708] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  424.507763] RDX: ffffffffb118740d RSI: 0000000000000286 RDI: ffffffffb2af8360
[  424.507810] RBP: ffff94b141dcc000 R08: 00000062e9c00fbc R09: 0000000000000001
[  424.507864] R10: ffff94b141eae5f8 R11: 0000000000000000 R12: ffffffffb2af8360
[  424.507920] R13: 0000000000000286 R14: ffff94b141eae800 R15: ffff94b141eae400
[  424.507974]  ? rpm_suspend+0x1ad/0x5e0
[  424.508008]  uart_write+0x89/0x150
[  424.508042]  n_tty_write+0x1a6/0x520
[  424.508076]  ? __pfx_woken_wake_function+0x10/0x10
[  424.508120]  file_tty_write.constprop.0+0x14d/0x330
[  424.508161]  vfs_write+0x332/0x460
[  424.508199]  ksys_write+0x63/0xe0
[  424.508228]  do_syscall_64+0x9e/0x1a0
[  424.508259]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  424.508298] RIP: 0033:0x7f0e97e56957
[  424.508326] 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
[  424.508424] RSP: 002b:00007ffed253bb58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  424.508474] RAX: ffffffffffffffda RBX: 000056018cc290b0 RCX: 00007f0e97e56957
[  424.508527] RDX: 0000000000000001 RSI: 000056018cc290b0 RDI: 0000000000000001
[  424.508580] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  424.508637] R10: 0000000000000001 R11: 0000000000000246 R12: 000056018cc15580
[  424.508684] R13: 000056018cbf62a0 R14: 0000000000000001 R15: 000056018cc15580
[  424.508739]  </TASK>
[  424.508760] handlers:
[  424.508781] [<00000000e26f659e>] serial8250_interrupt
[  424.508821] Disabling IRQ #4