[  328.521490] Mirror/redirect action on
[  339.373383] irq 4: nobody cared (try booting with the "irqpoll" option)
[  339.373487] CPU: 3 PID: 8230 Comm: perl Not tainted 6.9.0-virtme #1
[  339.373530] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  339.373597] Call Trace:
[  339.373625]  <IRQ>
[  339.373647]  dump_stack_lvl+0x55/0x70
[  339.373681]  __report_bad_irq+0x2b/0xc0
[  339.373718]  note_interrupt+0x2a7/0x2f0
[  339.373744]  handle_irq_event+0x72/0x80
[  339.373773]  handle_edge_irq+0x8b/0x230
[  339.373798]  __common_interrupt+0x3c/0xb0
[  339.373824]  common_interrupt+0x80/0x90
[  339.373852]  </IRQ>
[  339.373868]  <TASK>
[  339.373887]  asm_common_interrupt+0x26/0x40
[  339.373919] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  339.373953] 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 a5 2b 44 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  339.374049] RSP: 0018:ffffb5fb08b7bd60 EFLAGS: 00000286
[  339.374085] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  339.374132] RDX: ffffffffbb96f3bd RSI: 0000000000000282 RDI: ffffffffbd2e0540
[  339.374184] RBP: ffff9dfa81ec4000 R08: 0000004f1904deb9 R09: 0000000000000001
[  339.374230] R10: ffff9dfa824cf9f8 R11: 0000000000000000 R12: ffffffffbd2e0540
[  339.374275] R13: 0000000000000282 R14: ffff9dfa824cfc00 R15: ffff9dfa824cf800
[  339.374321]  ? rpm_suspend+0x1ad/0x5e0
[  339.374355]  uart_write+0x89/0x160
[  339.374383]  n_tty_write+0x1a6/0x520
[  339.374411]  ? __pfx_woken_wake_function+0x10/0x10
[  339.374448]  file_tty_write.constprop.0+0x14d/0x330
[  339.374491]  vfs_write+0x32f/0x460
[  339.374526]  ksys_write+0x63/0xe0
[  339.374562]  do_syscall_64+0x9e/0x1a0
[  339.374590]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.374623] RIP: 0033:0x7f5bcdfda957
[  339.374652] 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
[  339.374749] RSP: 002b:00007ffcb04f0058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  339.374794] RAX: ffffffffffffffda RBX: 0000562b6fe5cfd0 RCX: 00007f5bcdfda957
[  339.374850] RDX: 0000000000000001 RSI: 0000562b6fe5cfd0 RDI: 0000000000000001
[  339.374895] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  339.374943] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562b6fe49560
[  339.374988] R13: 0000562b6fe2a2a0 R14: 0000000000000001 R15: 0000562b6fe49560
[  339.375035]  </TASK>
[  339.375053] handlers:
[  339.375072] [<00000000c40e9f66>] serial8250_interrupt
[  339.375110] Disabling IRQ #4