[  323.453342] Mirror/redirect action on
[  337.270831] irq 4: nobody cared (try booting with the "irqpoll" option)
[  337.270983] CPU: 3 PID: 8233 Comm: perl Not tainted 6.10.0-rc3-virtme #1
[  337.271052] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  337.271158] Call Trace:
[  337.271190]  <IRQ>
[  337.271224]  dump_stack_lvl+0x55/0x70
[  337.271278]  __report_bad_irq+0x2b/0xc0
[  337.271322]  note_interrupt+0x2a7/0x2f0
[  337.271364]  handle_irq_event+0x72/0x80
[  337.271406]  handle_edge_irq+0x8b/0x230
[  337.271447]  __common_interrupt+0x3c/0xb0
[  337.271488]  common_interrupt+0x80/0x90
[  337.271530]  </IRQ>
[  337.271559]  <TASK>
[  337.271588]  asm_common_interrupt+0x26/0x40
[  337.271632] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  337.271691] 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 5c 55 cb 5d <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  337.271854] RSP: 0018:ffffc04388e2bd60 EFLAGS: 00000286
[  337.271913] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  337.271983] RDX: ffffffffa1f7043d RSI: 0000000000000282 RDI: ffffffffa38e7540
[  337.272052] RBP: ffff9fd141ec8000 R08: 0000004e97306046 R09: 0000000000000001
[  337.272124] R10: ffff9fd141ef91f8 R11: 0000000000000000 R12: ffffffffa38e7540
[  337.272197] R13: 0000000000000282 R14: ffff9fd141ef8800 R15: ffff9fd141ef9000
[  337.272273]  ? rpm_suspend+0x1ad/0x5e0
[  337.272326]  uart_write+0x89/0x160
[  337.272371]  n_tty_write+0x1a6/0x520
[  337.272416]  ? __pfx_woken_wake_function+0x10/0x10
[  337.272472]  file_tty_write.constprop.0+0x14d/0x330
[  337.272526]  vfs_write+0x32f/0x460
[  337.272572]  ksys_write+0x63/0xe0
[  337.272611]  do_syscall_64+0x9e/0x1a0
[  337.272650]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.272703] RIP: 0033:0x7f09ad580957
[  337.272742] 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
[  337.272902] RSP: 002b:00007ffc012bb2d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  337.272978] RAX: ffffffffffffffda RBX: 000055874f532fd0 RCX: 00007f09ad580957
[  337.273052] RDX: 0000000000000001 RSI: 000055874f532fd0 RDI: 0000000000000001
[  337.273123] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  337.273195] R10: 0000000000000001 R11: 0000000000000246 R12: 000055874f51f560
[  337.273264] R13: 000055874f5002a0 R14: 0000000000000001 R15: 000055874f51f560
[  337.273331]  </TASK>
[  337.273361] handlers:
[  337.273391] [<0000000001dc914b>] serial8250_interrupt
[  337.273462] Disabling IRQ #4