[  633.094860] irq 4: nobody cared (try booting with the "irqpoll" option)
[  633.094987] CPU: 3 PID: 7229 Comm: perl Not tainted 6.10.0-rc3-virtme #1
[  633.095035] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  633.095109] Call Trace:
[  633.095138]  <IRQ>
[  633.095160]  dump_stack_lvl+0x55/0x70
[  633.095195]  __report_bad_irq+0x2b/0xc0
[  633.095226]  note_interrupt+0x2a7/0x2f0
[  633.095250]  handle_irq_event+0x72/0x80
[  633.095281]  handle_edge_irq+0x8b/0x230
[  633.095312]  __common_interrupt+0x3c/0xb0
[  633.095344]  common_interrupt+0x80/0x90
[  633.095373]  </IRQ>
[  633.095392]  <TASK>
[  633.095405]  asm_common_interrupt+0x26/0x40
[  633.095441] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  633.095478] 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 9c 45 cb 63 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  633.095584] RSP: 0018:ffffb3dec03ffd60 EFLAGS: 00000286
[  633.095619] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  633.095669] RDX: ffffffff9bf7077d RSI: 0000000000000282 RDI: ffffffff9d8e4540
[  633.095714] RBP: ffff98b701d58000 R08: 00000093800290cd R09: 0000000000000001
[  633.095760] R10: ffff98b7022c65f8 R11: 0000000000000000 R12: ffffffff9d8e4540
[  633.095806] R13: 0000000000000282 R14: ffff98b7022c5c00 R15: ffff98b7022c6400
[  633.095853]  ? rpm_suspend+0x1ad/0x5e0
[  633.095886]  uart_write+0x89/0x160
[  633.095916]  n_tty_write+0x1a6/0x520
[  633.095947]  ? __pfx_woken_wake_function+0x10/0x10
[  633.095982]  file_tty_write.constprop.0+0x14d/0x330
[  633.096022]  vfs_write+0x32f/0x460
[  633.096053]  ksys_write+0x63/0xe0
[  633.096076]  do_syscall_64+0x9e/0x1a0
[  633.096104]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  633.096140] RIP: 0033:0x7f692b890957
[  633.096166] 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
[  633.096265] RSP: 002b:00007fff1882a1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  633.096310] RAX: ffffffffffffffda RBX: 0000563d80c10fd0 RCX: 00007f692b890957
[  633.096355] RDX: 0000000000000001 RSI: 0000563d80c10fd0 RDI: 0000000000000001
[  633.096401] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  633.096446] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563d80bfd560
[  633.096492] R13: 0000563d80bde2a0 R14: 0000000000000001 R15: 0000563d80bfd560
[  633.096539]  </TASK>
[  633.096562] handlers:
[  633.096582] [<000000004fac976e>] serial8250_interrupt
[  633.096624] Disabling IRQ #4