[  644.914926] irq 4: nobody cared (try booting with the "irqpoll" option)
[  644.915038] CPU: 3 PID: 8834 Comm: perl Not tainted 6.10.0-rc6-virtme #1
[  644.915082] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  644.915148] Call Trace:
[  644.915176]  <IRQ>
[  644.915203]  dump_stack_lvl+0x55/0x70
[  644.915250]  __report_bad_irq+0x2b/0xc0
[  644.915293]  note_interrupt+0x2a7/0x2f0
[  644.915330]  handle_irq_event+0x72/0x80
[  644.915356]  handle_edge_irq+0x8b/0x230
[  644.915381]  __common_interrupt+0x3c/0xb0
[  644.915407]  common_interrupt+0x80/0x90
[  644.915437]  </IRQ>
[  644.915453]  <TASK>
[  644.915467]  asm_common_interrupt+0x26/0x40
[  644.915501] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  644.915536] 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 ec 15 0b 54 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  644.915635] RSP: 0018:ffff9f3a430bbd60 EFLAGS: 00000286
[  644.915674] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  644.915739] RDX: ffffffffabb7042d RSI: 0000000000000286 RDI: ffffffffad4e7300
[  644.915780] RBP: ffff8c5041f8c000 R08: 000000963b684484 R09: 0000000000000001
[  644.915825] R10: ffff8c504128c5f8 R11: 0000000000000000 R12: ffffffffad4e7300
[  644.915871] R13: 0000000000000286 R14: ffff8c504128c800 R15: ffff8c504128c400
[  644.915918]  ? rpm_suspend+0x1ad/0x5e0
[  644.915950]  uart_write+0x89/0x150
[  644.915983]  n_tty_write+0x1a6/0x520
[  644.916014]  ? __pfx_woken_wake_function+0x10/0x10
[  644.916048]  file_tty_write.constprop.0+0x14d/0x330
[  644.916081]  vfs_write+0x332/0x460
[  644.916112]  ksys_write+0x63/0xe0
[  644.916143]  do_syscall_64+0x9e/0x1a0
[  644.916184]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  644.916221] RIP: 0033:0x7fe458f84957
[  644.916249] 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
[  644.916347] RSP: 002b:00007ffd008e8c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  644.916392] RAX: ffffffffffffffda RBX: 000055c5e6b7f110 RCX: 00007fe458f84957
[  644.916437] RDX: 0000000000000001 RSI: 000055c5e6b7f110 RDI: 0000000000000001
[  644.916483] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  644.916541] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c5e6b6b560
[  644.916604] R13: 000055c5e6b4c2a0 R14: 0000000000000001 R15: 000055c5e6b6b560
[  644.916646]  </TASK>
[  644.916664] handlers:
[  644.916677] [<000000005ab0b1ee>] serial8250_interrupt
[  644.916715] Disabling IRQ #4